blob: b4ad32ae7724933d0e68d7a65a221a38100a2978 [file] [log] [blame]
// Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.
#include "vm/dart_api_impl.h"
#include "bin/builtin.h"
#include "bin/dartutils.h"
#include "include/dart_api.h"
#include "include/dart_native_api.h"
#include "include/dart_tools_api.h"
#include "platform/assert.h"
#include "platform/text_buffer.h"
#include "platform/utils.h"
#include "vm/class_finalizer.h"
#include "vm/compiler/jit/compiler.h"
#include "vm/dart.h"
#include "vm/dart_api_state.h"
#include "vm/debugger_api_impl_test.h"
#include "vm/heap/verifier.h"
#include "vm/lockers.h"
#include "vm/timeline.h"
#include "vm/unit_test.h"
namespace dart {
DECLARE_FLAG(bool, verify_acquired_data);
#ifndef PRODUCT
UNIT_TEST_CASE(DartAPI_DartInitializeAfterCleanup) {
EXPECT(Dart_SetVMFlags(TesterState::argc, TesterState::argv) == NULL);
Dart_InitializeParams params;
memset(&params, 0, sizeof(Dart_InitializeParams));
params.version = DART_INITIALIZE_PARAMS_CURRENT_VERSION;
params.vm_snapshot_data = TesterState::vm_snapshot_data;
params.create = TesterState::create_callback;
params.shutdown = TesterState::shutdown_callback;
params.cleanup = TesterState::cleanup_callback;
params.start_kernel_isolate = true;
// Reinitialize and ensure we can execute Dart code.
EXPECT(Dart_Initialize(&params) == NULL);
{
TestIsolateScope scope;
const char* kScriptChars =
"int testMain() {\n"
" return 42;\n"
"}\n";
Dart_Handle lib = TestCase::LoadTestScript(kScriptChars, NULL);
EXPECT_VALID(lib);
Dart_Handle result = Dart_Invoke(lib, NewString("testMain"), 0, NULL);
EXPECT_VALID(result);
int64_t value = 0;
EXPECT_VALID(Dart_IntegerToInt64(result, &value));
EXPECT_EQ(42, value);
}
EXPECT(Dart_Cleanup() == NULL);
}
TEST_CASE(DartAPI_ErrorHandleBasics) {
const char* kScriptChars =
"void testMain() {\n"
" throw new Exception(\"bad news\");\n"
"}\n";
Dart_Handle lib = TestCase::LoadTestScript(kScriptChars, NULL);
Dart_Handle instance = Dart_True();
Dart_Handle error = Api::NewError("myerror");
Dart_Handle exception = Dart_Invoke(lib, NewString("testMain"), 0, NULL);
EXPECT_VALID(instance);
EXPECT(Dart_IsError(error));
EXPECT(Dart_IsError(exception));
EXPECT(!Dart_ErrorHasException(instance));
EXPECT(!Dart_ErrorHasException(error));
EXPECT(Dart_ErrorHasException(exception));
EXPECT_STREQ("", Dart_GetError(instance));
EXPECT_STREQ("myerror", Dart_GetError(error));
EXPECT_STREQ(ZONE_STR("Unhandled exception:\n"
"Exception: bad news\n"
"#0 testMain (%s:2:3)",
TestCase::url()),
Dart_GetError(exception));
EXPECT(Dart_IsError(Dart_ErrorGetException(instance)));
EXPECT(Dart_IsError(Dart_ErrorGetException(error)));
EXPECT_VALID(Dart_ErrorGetException(exception));
EXPECT(Dart_IsError(Dart_ErrorGetStackTrace(instance)));
EXPECT(Dart_IsError(Dart_ErrorGetStackTrace(error)));
EXPECT_VALID(Dart_ErrorGetStackTrace(exception));
}
TEST_CASE(DartAPI_StackTraceInfo) {
const char* kScriptChars =
"bar() => throw new Error();\n"
"foo() => bar();\n"
"testMain() => foo();\n";
Dart_Handle lib = TestCase::LoadTestScript(kScriptChars, NULL);
Dart_Handle error = Dart_Invoke(lib, NewString("testMain"), 0, NULL);
EXPECT(Dart_IsError(error));
Dart_StackTrace stacktrace;
Dart_Handle result = Dart_GetStackTraceFromError(error, &stacktrace);
EXPECT_VALID(result);
intptr_t frame_count = 0;
result = Dart_StackTraceLength(stacktrace, &frame_count);
EXPECT_VALID(result);
EXPECT_EQ(3, frame_count);
Dart_Handle function_name;
Dart_Handle script_url;
intptr_t line_number = 0;
intptr_t column_number = 0;
const char* cstr = "";
Dart_ActivationFrame frame;
result = Dart_GetActivationFrame(stacktrace, 0, &frame);
EXPECT_VALID(result);
result = Dart_ActivationFrameInfo(frame, &function_name, &script_url,
&line_number, &column_number);
EXPECT_VALID(result);
Dart_StringToCString(function_name, &cstr);
EXPECT_STREQ("bar", cstr);
Dart_StringToCString(script_url, &cstr);
EXPECT_SUBSTRING("test-lib", cstr);
EXPECT_EQ(1, line_number);
EXPECT_EQ(10, column_number);
result = Dart_GetActivationFrame(stacktrace, 1, &frame);
EXPECT_VALID(result);
result = Dart_ActivationFrameInfo(frame, &function_name, &script_url,
&line_number, &column_number);
EXPECT_VALID(result);
Dart_StringToCString(function_name, &cstr);
EXPECT_STREQ("foo", cstr);
Dart_StringToCString(script_url, &cstr);
EXPECT_SUBSTRING("test-lib", cstr);
EXPECT_EQ(2, line_number);
EXPECT_EQ(10, column_number);
result = Dart_GetActivationFrame(stacktrace, 2, &frame);
EXPECT_VALID(result);
result = Dart_ActivationFrameInfo(frame, &function_name, &script_url,
&line_number, &column_number);
EXPECT_VALID(result);
Dart_StringToCString(function_name, &cstr);
EXPECT_STREQ("testMain", cstr);
Dart_StringToCString(script_url, &cstr);
EXPECT_SUBSTRING("test-lib", cstr);
EXPECT_EQ(3, line_number);
EXPECT_EQ(15, column_number);
// Out-of-bounds frames.
result = Dart_GetActivationFrame(stacktrace, frame_count, &frame);
EXPECT(Dart_IsError(result));
result = Dart_GetActivationFrame(stacktrace, -1, &frame);
EXPECT(Dart_IsError(result));
}
TEST_CASE(DartAPI_DeepStackTraceInfo) {
const char* kScriptChars =
"foo(n) => n == 1 ? throw new Error() : foo(n-1);\n"
"testMain() => foo(100);\n";
Dart_Handle lib = TestCase::LoadTestScript(kScriptChars, NULL);
Dart_Handle error = Dart_Invoke(lib, NewString("testMain"), 0, NULL);
EXPECT(Dart_IsError(error));
Dart_StackTrace stacktrace;
Dart_Handle result = Dart_GetStackTraceFromError(error, &stacktrace);
EXPECT_VALID(result);
intptr_t frame_count = 0;
result = Dart_StackTraceLength(stacktrace, &frame_count);
EXPECT_VALID(result);
EXPECT_EQ(101, frame_count);
// Test something bigger than the preallocated size to verify nothing was
// truncated.
EXPECT(101 > StackTrace::kPreallocatedStackdepth);
Dart_Handle function_name;
Dart_Handle script_url;
intptr_t line_number = 0;
intptr_t column_number = 0;
const char* cstr = "";
// Top frame at positioned at throw.
Dart_ActivationFrame frame;
result = Dart_GetActivationFrame(stacktrace, 0, &frame);
EXPECT_VALID(result);
result = Dart_ActivationFrameInfo(frame, &function_name, &script_url,
&line_number, &column_number);
EXPECT_VALID(result);
Dart_StringToCString(function_name, &cstr);
EXPECT_STREQ("foo", cstr);
Dart_StringToCString(script_url, &cstr);
EXPECT_SUBSTRING("test-lib", cstr);
EXPECT_EQ(1, line_number);
EXPECT_EQ(20, column_number);
// Middle frames positioned at the recursive call.
for (intptr_t frame_index = 1; frame_index < (frame_count - 1);
frame_index++) {
result = Dart_GetActivationFrame(stacktrace, frame_index, &frame);
EXPECT_VALID(result);
result = Dart_ActivationFrameInfo(frame, &function_name, &script_url,
&line_number, &column_number);
EXPECT_VALID(result);
Dart_StringToCString(function_name, &cstr);
EXPECT_STREQ("foo", cstr);
Dart_StringToCString(script_url, &cstr);
EXPECT_SUBSTRING("test-lib", cstr);
EXPECT_EQ(1, line_number);
EXPECT_EQ(40, column_number);
}
// Bottom frame positioned at testMain().
result = Dart_GetActivationFrame(stacktrace, frame_count - 1, &frame);
EXPECT_VALID(result);
result = Dart_ActivationFrameInfo(frame, &function_name, &script_url,
&line_number, &column_number);
EXPECT_VALID(result);
Dart_StringToCString(function_name, &cstr);
EXPECT_STREQ("testMain", cstr);
Dart_StringToCString(script_url, &cstr);
EXPECT_SUBSTRING("test-lib", cstr);
EXPECT_EQ(2, line_number);
EXPECT_EQ(15, column_number);
// Out-of-bounds frames.
result = Dart_GetActivationFrame(stacktrace, frame_count, &frame);
EXPECT(Dart_IsError(result));
result = Dart_GetActivationFrame(stacktrace, -1, &frame);
EXPECT(Dart_IsError(result));
}
void VerifyStackOverflowStackTraceInfo(const char* script,
const char* top_frame_func_name,
const char* entry_func_name,
int expected_line_number,
int expected_column_number) {
Dart_Handle lib = TestCase::LoadTestScript(script, NULL);
Dart_Handle error = Dart_Invoke(lib, NewString(entry_func_name), 0, NULL);
EXPECT(Dart_IsError(error));
Dart_StackTrace stacktrace;
Dart_Handle result = Dart_GetStackTraceFromError(error, &stacktrace);
EXPECT_VALID(result);
intptr_t frame_count = 0;
result = Dart_StackTraceLength(stacktrace, &frame_count);
EXPECT_VALID(result);
EXPECT_EQ(StackTrace::kPreallocatedStackdepth - 1, frame_count);
Dart_Handle function_name;
Dart_Handle script_url;
intptr_t line_number = 0;
intptr_t column_number = 0;
const char* cstr = "";
// Top frame at recursive call.
Dart_ActivationFrame frame;
result = Dart_GetActivationFrame(stacktrace, 0, &frame);
EXPECT_VALID(result);
result = Dart_ActivationFrameInfo(frame, &function_name, &script_url,
&line_number, &column_number);
EXPECT_VALID(result);
Dart_StringToCString(function_name, &cstr);
EXPECT_STREQ(top_frame_func_name, cstr);
Dart_StringToCString(script_url, &cstr);
EXPECT_STREQ(TestCase::url(), cstr);
EXPECT_EQ(expected_line_number, line_number);
EXPECT_EQ(expected_column_number, column_number);
// Out-of-bounds frames.
result = Dart_GetActivationFrame(stacktrace, frame_count, &frame);
EXPECT(Dart_IsError(result));
result = Dart_GetActivationFrame(stacktrace, -1, &frame);
EXPECT(Dart_IsError(result));
}
TEST_CASE(DartAPI_StackOverflowStackTraceInfoBraceFunction1) {
int line = 2;
int col = 3;
VerifyStackOverflowStackTraceInfo(
"class C {\n"
" static foo(int i) { foo(i); }\n"
"}\n"
"testMain() => C.foo(10);\n",
"C.foo", "testMain", line, col);
}
TEST_CASE(DartAPI_StackOverflowStackTraceInfoBraceFunction2) {
int line = 2;
int col = 3;
VerifyStackOverflowStackTraceInfo(
"class C {\n"
" static foo(int i, int j) {\n"
" foo(i, j);\n"
" }\n"
"}\n"
"testMain() => C.foo(10, 11);\n",
"C.foo", "testMain", line, col);
}
TEST_CASE(DartAPI_StackOverflowStackTraceInfoArrowFunction) {
int line = 2;
int col = 3;
VerifyStackOverflowStackTraceInfo(
"class C {\n"
" static foo(int i) => foo(i);\n"
"}\n"
"testMain() => C.foo(10);\n",
"C.foo", "testMain", line, col);
}
TEST_CASE(DartAPI_OutOfMemoryStackTraceInfo) {
const char* kScriptChars =
"var number_of_ints = 134000000;\n"
"testMain() {\n"
" new List<int>(number_of_ints)\n"
"}\n";
Dart_Handle lib = TestCase::LoadTestScript(kScriptChars, NULL);
Dart_Handle error = Dart_Invoke(lib, NewString("testMain"), 0, NULL);
EXPECT(Dart_IsError(error));
Dart_StackTrace stacktrace;
Dart_Handle result = Dart_GetStackTraceFromError(error, &stacktrace);
EXPECT(Dart_IsError(result)); // No StackTrace for OutOfMemory.
}
void CurrentStackTraceNative(Dart_NativeArguments args) {
Dart_EnterScope();
Dart_StackTrace stacktrace;
Dart_Handle result = Dart_GetStackTrace(&stacktrace);
EXPECT_VALID(result);
intptr_t frame_count = 0;
result = Dart_StackTraceLength(stacktrace, &frame_count);
EXPECT_VALID(result);
EXPECT_EQ(102, frame_count);
// Test something bigger than the preallocated size to verify nothing was
// truncated.
EXPECT(102 > StackTrace::kPreallocatedStackdepth);
Dart_Handle function_name;
Dart_Handle script_url;
intptr_t line_number = 0;
intptr_t column_number = 0;
const char* cstr = "";
const char* test_lib = "file:///test-lib";
// Top frame is inspectStack().
Dart_ActivationFrame frame;
result = Dart_GetActivationFrame(stacktrace, 0, &frame);
EXPECT_VALID(result);
result = Dart_ActivationFrameInfo(frame, &function_name, &script_url,
&line_number, &column_number);
EXPECT_VALID(result);
Dart_StringToCString(function_name, &cstr);
EXPECT_STREQ("inspectStack", cstr);
Dart_StringToCString(script_url, &cstr);
EXPECT_STREQ(test_lib, cstr);
EXPECT_EQ(1, line_number);
EXPECT_EQ(47, column_number);
// Second frame is foo() positioned at call to inspectStack().
result = Dart_GetActivationFrame(stacktrace, 1, &frame);
EXPECT_VALID(result);
result = Dart_ActivationFrameInfo(frame, &function_name, &script_url,
&line_number, &column_number);
EXPECT_VALID(result);
Dart_StringToCString(function_name, &cstr);
EXPECT_STREQ("foo", cstr);
Dart_StringToCString(script_url, &cstr);
EXPECT_STREQ(test_lib, cstr);
EXPECT_EQ(2, line_number);
EXPECT_EQ(20, column_number);
// Middle frames positioned at the recursive call.
for (intptr_t frame_index = 2; frame_index < (frame_count - 1);
frame_index++) {
result = Dart_GetActivationFrame(stacktrace, frame_index, &frame);
EXPECT_VALID(result);
result = Dart_ActivationFrameInfo(frame, &function_name, &script_url,
&line_number, &column_number);
EXPECT_VALID(result);
Dart_StringToCString(function_name, &cstr);
EXPECT_STREQ("foo", cstr);
Dart_StringToCString(script_url, &cstr);
EXPECT_STREQ(test_lib, cstr);
EXPECT_EQ(2, line_number);
EXPECT_EQ(37, column_number);
}
// Bottom frame positioned at testMain().
result = Dart_GetActivationFrame(stacktrace, frame_count - 1, &frame);
EXPECT_VALID(result);
result = Dart_ActivationFrameInfo(frame, &function_name, &script_url,
&line_number, &column_number);
EXPECT_VALID(result);
Dart_StringToCString(function_name, &cstr);
EXPECT_STREQ("testMain", cstr);
Dart_StringToCString(script_url, &cstr);
EXPECT_STREQ(test_lib, cstr);
EXPECT_EQ(3, line_number);
EXPECT_EQ(15, column_number);
// Out-of-bounds frames.
result = Dart_GetActivationFrame(stacktrace, frame_count, &frame);
EXPECT(Dart_IsError(result));
result = Dart_GetActivationFrame(stacktrace, -1, &frame);
EXPECT(Dart_IsError(result));
Dart_SetReturnValue(args, Dart_NewInteger(42));
Dart_ExitScope();
}
static Dart_NativeFunction CurrentStackTraceNativeLookup(
Dart_Handle name,
int argument_count,
bool* auto_setup_scope) {
ASSERT(auto_setup_scope != NULL);
*auto_setup_scope = true;
return reinterpret_cast<Dart_NativeFunction>(&CurrentStackTraceNative);
}
TEST_CASE(DartAPI_CurrentStackTraceInfo) {
const char* kScriptChars =
"inspectStack() native 'CurrentStackTraceNatve';\n"
"foo(n) => n == 1 ? inspectStack() : foo(n-1);\n"
"testMain() => foo(100);\n";
Dart_Handle lib =
TestCase::LoadTestScript(kScriptChars, &CurrentStackTraceNativeLookup);
Dart_Handle result = Dart_Invoke(lib, NewString("testMain"), 0, NULL);
EXPECT_VALID(result);
EXPECT(Dart_IsInteger(result));
int64_t value = 0;
EXPECT_VALID(Dart_IntegerToInt64(result, &value));
EXPECT_EQ(42, value);
}
#endif // !PRODUCT
TEST_CASE(DartAPI_ErrorHandleTypes) {
Dart_Handle not_error = NewString("NotError");
Dart_Handle api_error = Dart_NewApiError("ApiError");
Dart_Handle exception_error =
Dart_NewUnhandledExceptionError(NewString("ExceptionError"));
Dart_Handle compile_error = Dart_NewCompilationError("CompileError");
Dart_Handle fatal_error;
{
TransitionNativeToVM transition(thread);
const String& fatal_message = String::Handle(String::New("FatalError"));
fatal_error = Api::NewHandle(thread, UnwindError::New(fatal_message));
}
EXPECT_VALID(not_error);
EXPECT(Dart_IsError(api_error));
EXPECT(Dart_IsError(exception_error));
EXPECT(Dart_IsError(compile_error));
EXPECT(Dart_IsError(fatal_error));
EXPECT(!Dart_IsApiError(not_error));
EXPECT(Dart_IsApiError(api_error));
EXPECT(!Dart_IsApiError(exception_error));
EXPECT(!Dart_IsApiError(compile_error));
EXPECT(!Dart_IsApiError(fatal_error));
EXPECT(!Dart_IsUnhandledExceptionError(not_error));
EXPECT(!Dart_IsUnhandledExceptionError(api_error));
EXPECT(Dart_IsUnhandledExceptionError(exception_error));
EXPECT(!Dart_IsUnhandledExceptionError(compile_error));
EXPECT(!Dart_IsUnhandledExceptionError(fatal_error));
EXPECT(!Dart_IsCompilationError(not_error));
EXPECT(!Dart_IsCompilationError(api_error));
EXPECT(!Dart_IsCompilationError(exception_error));
EXPECT(Dart_IsCompilationError(compile_error));
EXPECT(!Dart_IsCompilationError(fatal_error));
EXPECT(!Dart_IsFatalError(not_error));
EXPECT(!Dart_IsFatalError(api_error));
EXPECT(!Dart_IsFatalError(exception_error));
EXPECT(!Dart_IsFatalError(compile_error));
EXPECT(Dart_IsFatalError(fatal_error));
EXPECT_STREQ("", Dart_GetError(not_error));
EXPECT_STREQ("ApiError", Dart_GetError(api_error));
EXPECT_SUBSTRING("Unhandled exception:\nExceptionError",
Dart_GetError(exception_error));
EXPECT_STREQ("CompileError", Dart_GetError(compile_error));
EXPECT_STREQ("FatalError", Dart_GetError(fatal_error));
}
TEST_CASE(DartAPI_UnhandleExceptionError) {
const char* exception_cstr = "";
// Test with an API Error.
const char* kApiError = "Api Error Exception Test.";
Dart_Handle api_error = Dart_NewApiError(kApiError);
Dart_Handle exception_error = Dart_NewUnhandledExceptionError(api_error);
EXPECT(!Dart_IsApiError(exception_error));
EXPECT(Dart_IsUnhandledExceptionError(exception_error));
EXPECT(Dart_IsString(Dart_ErrorGetException(exception_error)));
EXPECT_VALID(Dart_StringToCString(Dart_ErrorGetException(exception_error),
&exception_cstr));
EXPECT_STREQ(kApiError, exception_cstr);
// Test with a Compilation Error.
const char* kCompileError = "CompileError Exception Test.";
Dart_Handle compile_error = Dart_NewCompilationError(kCompileError);
exception_error = Dart_NewUnhandledExceptionError(compile_error);
EXPECT(!Dart_IsApiError(exception_error));
EXPECT(Dart_IsUnhandledExceptionError(exception_error));
EXPECT(Dart_IsString(Dart_ErrorGetException(exception_error)));
EXPECT_VALID(Dart_StringToCString(Dart_ErrorGetException(exception_error),
&exception_cstr));
EXPECT_STREQ(kCompileError, exception_cstr);
// Test with a Fatal Error.
Dart_Handle fatal_error;
{
TransitionNativeToVM transition(thread);
const String& fatal_message =
String::Handle(String::New("FatalError Exception Test."));
fatal_error = Api::NewHandle(thread, UnwindError::New(fatal_message));
}
exception_error = Dart_NewUnhandledExceptionError(fatal_error);
EXPECT(Dart_IsError(exception_error));
EXPECT(!Dart_IsUnhandledExceptionError(exception_error));
// Test with a Regular object.
const char* kRegularString = "Regular String Exception Test.";
exception_error = Dart_NewUnhandledExceptionError(NewString(kRegularString));
EXPECT(!Dart_IsApiError(exception_error));
EXPECT(Dart_IsUnhandledExceptionError(exception_error));
EXPECT(Dart_IsString(Dart_ErrorGetException(exception_error)));
EXPECT_VALID(Dart_StringToCString(Dart_ErrorGetException(exception_error),
&exception_cstr));
EXPECT_STREQ(kRegularString, exception_cstr);
}
// Should we propagate the error via Dart_SetReturnValue?
static bool use_set_return = false;
// Should we propagate the error via Dart_ThrowException?
static bool use_throw_exception = false;
void PropagateErrorNative(Dart_NativeArguments args) {
Dart_Handle closure = Dart_GetNativeArgument(args, 0);
EXPECT(Dart_IsClosure(closure));
Dart_Handle result = Dart_InvokeClosure(closure, 0, NULL);
EXPECT(Dart_IsError(result));
if (use_set_return) {
Dart_SetReturnValue(args, result);
} else if (use_throw_exception) {
result = Dart_ThrowException(result);
EXPECT_VALID(result); // We do not expect to reach here.
UNREACHABLE();
} else {
result = Dart_PropagateError(result);
EXPECT_VALID(result); // We do not expect to reach here.
UNREACHABLE();
}
}
static Dart_NativeFunction PropagateError_native_lookup(
Dart_Handle name,
int argument_count,
bool* auto_setup_scope) {
ASSERT(auto_setup_scope != NULL);
*auto_setup_scope = true;
return reinterpret_cast<Dart_NativeFunction>(&PropagateErrorNative);
}
TEST_CASE(DartAPI_PropagateCompileTimeError) {
const char* kScriptChars =
"raiseCompileError() {\n"
" return missing_semicolon\n"
"}\n"
"\n"
"void nativeFunc(closure) native 'Test_nativeFunc';\n"
"\n"
"void Func1() {\n"
" nativeFunc(() => raiseCompileError());\n"
"}\n";
Dart_Handle lib =
TestCase::LoadTestScript(kScriptChars, &PropagateError_native_lookup);
Dart_Handle result;
// Use Dart_PropagateError to propagate the error.
use_throw_exception = false;
use_set_return = false;
result = Dart_Invoke(lib, NewString("Func1"), 0, NULL);
EXPECT(Dart_IsError(result));
EXPECT_SUBSTRING("Expected ';' after this.", Dart_GetError(result));
// Use Dart_SetReturnValue to propagate the error.
use_throw_exception = false;
use_set_return = true;
result = Dart_Invoke(lib, NewString("Func1"), 0, NULL);
EXPECT(Dart_IsError(result));
EXPECT_SUBSTRING("Expected ';' after this.", Dart_GetError(result));
// Use Dart_ThrowException to propagate the error.
use_throw_exception = true;
use_set_return = false;
result = Dart_Invoke(lib, NewString("Func1"), 0, NULL);
EXPECT(Dart_IsError(result));
EXPECT_SUBSTRING("Expected ';' after this.", Dart_GetError(result));
}
TEST_CASE(DartAPI_PropagateError) {
const char* kScriptChars =
"void throwException() {\n"
" throw new Exception('myException');\n"
"}\n"
"\n"
"void nativeFunc(closure) native 'Test_nativeFunc';\n"
"\n"
"void Func2() {\n"
" nativeFunc(() => throwException());\n"
"}\n";
Dart_Handle lib =
TestCase::LoadTestScript(kScriptChars, &PropagateError_native_lookup);
Dart_Handle result;
// Use Dart_PropagateError to propagate the error.
use_throw_exception = false;
use_set_return = false;
result = Dart_Invoke(lib, NewString("Func2"), 0, NULL);
EXPECT(Dart_IsError(result));
EXPECT(Dart_ErrorHasException(result));
EXPECT_SUBSTRING("myException", Dart_GetError(result));
// Use Dart_SetReturnValue to propagate the error.
use_throw_exception = false;
use_set_return = true;
result = Dart_Invoke(lib, NewString("Func2"), 0, NULL);
EXPECT(Dart_IsError(result));
EXPECT(Dart_ErrorHasException(result));
EXPECT_SUBSTRING("myException", Dart_GetError(result));
// Use Dart_ThrowException to propagate the error.
use_throw_exception = true;
use_set_return = false;
result = Dart_Invoke(lib, NewString("Func2"), 0, NULL);
EXPECT(Dart_IsError(result));
EXPECT(Dart_ErrorHasException(result));
EXPECT_SUBSTRING("myException", Dart_GetError(result));
}
TEST_CASE(DartAPI_Error) {
Dart_Handle error;
{
TransitionNativeToVM transition(thread);
error = Api::NewError("An %s", "error");
}
EXPECT(Dart_IsError(error));
EXPECT_STREQ("An error", Dart_GetError(error));
}
TEST_CASE(DartAPI_Null) {
Dart_Handle null = Dart_Null();
EXPECT_VALID(null);
EXPECT(Dart_IsNull(null));
Dart_Handle str = NewString("test");
EXPECT_VALID(str);
EXPECT(!Dart_IsNull(str));
}
TEST_CASE(DartAPI_EmptyString) {
Dart_Handle empty = Dart_EmptyString();
EXPECT_VALID(empty);
EXPECT(!Dart_IsNull(empty));
}
TEST_CASE(DartAPI_IdentityEquals) {
Dart_Handle five = Dart_NewInteger(5);
Dart_Handle five_again = Dart_NewInteger(5);
Dart_Handle mint = Dart_NewInteger(0xFFFFFFFF);
Dart_Handle mint_again = Dart_NewInteger(0xFFFFFFFF);
Dart_Handle abc = NewString("abc");
Dart_Handle abc_again = NewString("abc");
Dart_Handle xyz = NewString("xyz");
Dart_Handle dart_core = NewString("dart:core");
Dart_Handle dart_mirrors = NewString("dart:mirrors");
// Same objects.
EXPECT(Dart_IdentityEquals(five, five));
EXPECT(Dart_IdentityEquals(mint, mint));
EXPECT(Dart_IdentityEquals(abc, abc));
EXPECT(Dart_IdentityEquals(xyz, xyz));
// Equal objects with special spec rules.
EXPECT(Dart_IdentityEquals(five, five_again));
EXPECT(Dart_IdentityEquals(mint, mint_again));
// Equal objects without special spec rules.
EXPECT(!Dart_IdentityEquals(abc, abc_again));
// Different objects.
EXPECT(!Dart_IdentityEquals(five, mint));
EXPECT(!Dart_IdentityEquals(abc, xyz));
// Case where identical() is not the same as pointer equality.
Dart_Handle nan1 = Dart_NewDouble(NAN);
Dart_Handle nan2 = Dart_NewDouble(NAN);
EXPECT(Dart_IdentityEquals(nan1, nan2));
// Non-instance objects.
{
CHECK_API_SCOPE(thread);
Dart_Handle lib1 = Dart_LookupLibrary(dart_core);
Dart_Handle lib2 = Dart_LookupLibrary(dart_mirrors);
EXPECT(Dart_IdentityEquals(lib1, lib1));
EXPECT(Dart_IdentityEquals(lib2, lib2));
EXPECT(!Dart_IdentityEquals(lib1, lib2));
// Mix instance and non-instance.
EXPECT(!Dart_IdentityEquals(lib1, nan1));
EXPECT(!Dart_IdentityEquals(nan1, lib1));
}
}
TEST_CASE(DartAPI_ObjectEquals) {
bool equal = false;
Dart_Handle five = NewString("5");
Dart_Handle five_again = NewString("5");
Dart_Handle seven = NewString("7");
// Same objects.
EXPECT_VALID(Dart_ObjectEquals(five, five, &equal));
EXPECT(equal);
// Equal objects.
EXPECT_VALID(Dart_ObjectEquals(five, five_again, &equal));
EXPECT(equal);
// Different objects.
EXPECT_VALID(Dart_ObjectEquals(five, seven, &equal));
EXPECT(!equal);
// Case where identity is not equality.
Dart_Handle nan = Dart_NewDouble(NAN);
EXPECT_VALID(Dart_ObjectEquals(nan, nan, &equal));
EXPECT(!equal);
}
TEST_CASE(DartAPI_InstanceValues) {
EXPECT(Dart_IsInstance(NewString("test")));
EXPECT(Dart_IsInstance(Dart_True()));
// By convention, our Is*() functions exclude null.
EXPECT(!Dart_IsInstance(Dart_Null()));
}
TEST_CASE(DartAPI_InstanceGetType) {
Zone* zone = thread->zone();
// Get the handle from a valid instance handle.
Dart_Handle type = Dart_InstanceGetType(Dart_Null());
EXPECT_VALID(type);
EXPECT(Dart_IsType(type));
{
TransitionNativeToVM transition(thread);
const Type& null_type_obj = Api::UnwrapTypeHandle(zone, type);
EXPECT(null_type_obj.raw() == Type::NullType());
}
Dart_Handle instance = Dart_True();
type = Dart_InstanceGetType(instance);
EXPECT_VALID(type);
EXPECT(Dart_IsType(type));
{
TransitionNativeToVM transition(thread);
const Type& bool_type_obj = Api::UnwrapTypeHandle(zone, type);
EXPECT(bool_type_obj.raw() == Type::BoolType());
}
// Errors propagate.
Dart_Handle error = Dart_NewApiError("MyError");
Dart_Handle error_type = Dart_InstanceGetType(error);
EXPECT_ERROR(error_type, "MyError");
// Get the handle from a non-instance handle.
Dart_Handle dart_core = NewString("dart:core");
Dart_Handle obj = Dart_LookupLibrary(dart_core);
Dart_Handle type_type = Dart_InstanceGetType(obj);
EXPECT_ERROR(type_type,
"Dart_InstanceGetType expects argument 'instance' to be of "
"type Instance.");
}
TEST_CASE(DartAPI_FunctionName) {
const char* kScriptChars = "int getInt() { return 1; }\n";
// Create a test library and Load up a test script in it.
Dart_Handle lib = TestCase::LoadTestScript(kScriptChars, NULL);
EXPECT_VALID(lib);
Dart_Handle closure = Dart_GetField(lib, NewString("getInt"));
EXPECT_VALID(closure);
if (Dart_IsClosure(closure)) {
closure = Dart_ClosureFunction(closure);
EXPECT_VALID(closure);
}
Dart_Handle name = Dart_FunctionName(closure);
EXPECT_VALID(name);
const char* result_str = "";
Dart_StringToCString(name, &result_str);
EXPECT_STREQ(result_str, "getInt");
}
TEST_CASE(DartAPI_FunctionOwner) {
const char* kScriptChars = "int getInt() { return 1; }\n";
// Create a test library and Load up a test script in it.
Dart_Handle lib = TestCase::LoadTestScript(kScriptChars, NULL);
EXPECT_VALID(lib);
Dart_Handle closure = Dart_GetField(lib, NewString("getInt"));
EXPECT_VALID(closure);
if (Dart_IsClosure(closure)) {
closure = Dart_ClosureFunction(closure);
EXPECT_VALID(closure);
}
const char* url = "";
Dart_Handle owner = Dart_FunctionOwner(closure);
EXPECT_VALID(owner);
Dart_Handle owner_url = Dart_LibraryUrl(owner);
EXPECT_VALID(owner_url);
Dart_StringToCString(owner_url, &url);
const char* lib_url = "";
Dart_Handle library_url = Dart_LibraryUrl(lib);
EXPECT_VALID(library_url);
Dart_StringToCString(library_url, &lib_url);
EXPECT_STREQ(url, lib_url);
}
TEST_CASE(DartAPI_IsTearOff) {
const char* kScriptChars =
"int getInt() { return 1; }\n"
"getTearOff() => getInt;\n"
"Function foo = () { print('baz'); };\n"
"class Baz {\n"
" static int foo() => 42;\n"
" getTearOff() => bar;\n"
" int bar() => 24;\n"
"}\n"
"Baz getBaz() => Baz();\n";
Dart_Handle lib = TestCase::LoadTestScript(kScriptChars, NULL);
EXPECT_VALID(lib);
// Check tear-off of top-level static method.
Dart_Handle get_tear_off = Dart_GetField(lib, NewString("getTearOff"));
EXPECT_VALID(get_tear_off);
EXPECT(Dart_IsTearOff(get_tear_off));
Dart_Handle tear_off = Dart_InvokeClosure(get_tear_off, 0, NULL);
EXPECT_VALID(tear_off);
EXPECT(Dart_IsTearOff(tear_off));
// Check anonymous closures are not considered tear-offs.
Dart_Handle anonymous_closure = Dart_GetField(lib, NewString("foo"));
EXPECT_VALID(anonymous_closure);
EXPECT(!Dart_IsTearOff(anonymous_closure));
Dart_Handle baz_cls = Dart_GetClass(lib, NewString("Baz"));
EXPECT_VALID(baz_cls);
// Check tear-off for a static method in a class.
Dart_Handle closure =
Dart_GetStaticMethodClosure(lib, baz_cls, NewString("foo"));
EXPECT_VALID(closure);
EXPECT(Dart_IsTearOff(closure));
// Flutter will use Dart_IsTearOff in conjunction with Dart_ClosureFunction
// and Dart_FunctionIsStatic to prevent anonymous closures from being used to
// generate callback handles. We'll test that case here, just to be sure.
Dart_Handle function = Dart_ClosureFunction(closure);
EXPECT_VALID(function);
bool is_static = false;
Dart_Handle result = Dart_FunctionIsStatic(function, &is_static);
EXPECT_VALID(result);
EXPECT(is_static);
// Check tear-off for an instance method in a class.
Dart_Handle instance = Dart_Invoke(lib, NewString("getBaz"), 0, NULL);
EXPECT_VALID(instance);
closure = Dart_Invoke(instance, NewString("getTearOff"), 0, NULL);
EXPECT_VALID(closure);
EXPECT(Dart_IsTearOff(closure));
}
TEST_CASE(DartAPI_FunctionIsStatic) {
const char* kScriptChars =
"int getInt() { return 1; }\n"
"class Foo { String getString() => 'foobar'; }\n";
// Create a test library and Load up a test script in it.
Dart_Handle lib = TestCase::LoadTestScript(kScriptChars, NULL);
EXPECT_VALID(lib);
Dart_Handle closure = Dart_GetField(lib, NewString("getInt"));
EXPECT_VALID(closure);
if (Dart_IsClosure(closure)) {
closure = Dart_ClosureFunction(closure);
EXPECT_VALID(closure);
}
bool is_static = false;
Dart_Handle result = Dart_FunctionIsStatic(closure, &is_static);
EXPECT_VALID(result);
EXPECT(is_static);
Dart_Handle klass = Dart_GetType(lib, NewString("Foo"), 0, NULL);
EXPECT_VALID(klass);
Dart_Handle instance = Dart_Allocate(klass);
closure = Dart_GetField(instance, NewString("getString"));
EXPECT_VALID(closure);
if (Dart_IsClosure(closure)) {
closure = Dart_ClosureFunction(closure);
EXPECT_VALID(closure);
}
result = Dart_FunctionIsStatic(closure, &is_static);
EXPECT_VALID(result);
EXPECT(!is_static);
}
TEST_CASE(DartAPI_ClosureFunction) {
const char* kScriptChars = "int getInt() { return 1; }\n";
// Create a test library and Load up a test script in it.
Dart_Handle lib = TestCase::LoadTestScript(kScriptChars, NULL);
EXPECT_VALID(lib);
Dart_Handle closure = Dart_GetField(lib, NewString("getInt"));
EXPECT_VALID(closure);
EXPECT(Dart_IsClosure(closure));
Dart_Handle closure_str = Dart_ToString(closure);
const char* result = "";
Dart_StringToCString(closure_str, &result);
EXPECT(strstr(result, "getInt") != NULL);
Dart_Handle function = Dart_ClosureFunction(closure);
EXPECT_VALID(function);
EXPECT(Dart_IsFunction(function));
Dart_Handle func_str = Dart_ToString(function);
Dart_StringToCString(func_str, &result);
EXPECT(strstr(result, "getInt"));
}
TEST_CASE(DartAPI_GetStaticMethodClosure) {
const char* kScriptChars =
"class Foo {\n"
" static int getInt() {\n"
" return 1;\n"
" }\n"
" double getDouble() {\n"
" return 1.0;\n"
" }\n"
"}\n";
// Create a test library and Load up a test script in it.
Dart_Handle lib = TestCase::LoadTestScript(kScriptChars, NULL);
EXPECT_VALID(lib);
Dart_Handle foo_cls = Dart_GetClass(lib, NewString("Foo"));
EXPECT_VALID(foo_cls);
Dart_Handle closure =
Dart_GetStaticMethodClosure(lib, foo_cls, NewString("getInt"));
EXPECT_VALID(closure);
EXPECT(Dart_IsClosure(closure));
Dart_Handle closure_str = Dart_ToString(closure);
const char* result = "";
Dart_StringToCString(closure_str, &result);
EXPECT_SUBSTRING("getInt", result);
Dart_Handle function = Dart_ClosureFunction(closure);
EXPECT_VALID(function);
EXPECT(Dart_IsFunction(function));
Dart_Handle func_str = Dart_ToString(function);
Dart_StringToCString(func_str, &result);
EXPECT_SUBSTRING("getInt", result);
Dart_Handle cls = Dart_FunctionOwner(function);
EXPECT_VALID(cls);
EXPECT(Dart_IsInstance(cls));
Dart_Handle cls_str = Dart_ClassName(cls);
Dart_StringToCString(cls_str, &result);
EXPECT_SUBSTRING("Foo", result);
EXPECT_ERROR(Dart_ClassName(Dart_Null()),
"Dart_ClassName expects argument 'cls_type' to be non-null.");
EXPECT_ERROR(
Dart_GetStaticMethodClosure(Dart_Null(), foo_cls, NewString("getInt")),
"Dart_GetStaticMethodClosure expects argument 'library' to be non-null.");
EXPECT_ERROR(
Dart_GetStaticMethodClosure(lib, Dart_Null(), NewString("getInt")),
"Dart_GetStaticMethodClosure expects argument 'cls_type' to be "
"non-null.");
EXPECT_ERROR(Dart_GetStaticMethodClosure(lib, foo_cls, Dart_Null()),
"Dart_GetStaticMethodClosure expects argument 'function_name' "
"to be non-null.");
}
TEST_CASE(DartAPI_ClassLibrary) {
Dart_Handle lib = Dart_LookupLibrary(NewString("dart:core"));
EXPECT_VALID(lib);
Dart_Handle type = Dart_GetType(lib, NewString("int"), 0, NULL);
EXPECT_VALID(type);
Dart_Handle result = Dart_ClassLibrary(type);
EXPECT_VALID(result);
Dart_Handle lib_url = Dart_LibraryUrl(result);
const char* str = NULL;
Dart_StringToCString(lib_url, &str);
EXPECT_STREQ("dart:core", str);
// Case with no library.
type = Dart_GetType(lib, NewString("dynamic"), 0, NULL);
EXPECT_VALID(type);
EXPECT(Dart_IsNull(Dart_ClassLibrary(type)));
}
TEST_CASE(DartAPI_BooleanValues) {
Dart_Handle str = NewString("test");
EXPECT(!Dart_IsBoolean(str));
bool value = false;
Dart_Handle result = Dart_BooleanValue(str, &value);
EXPECT(Dart_IsError(result));
Dart_Handle val1 = Dart_NewBoolean(true);
EXPECT(Dart_IsBoolean(val1));
result = Dart_BooleanValue(val1, &value);
EXPECT_VALID(result);
EXPECT(value);
Dart_Handle val2 = Dart_NewBoolean(false);
EXPECT(Dart_IsBoolean(val2));
result = Dart_BooleanValue(val2, &value);
EXPECT_VALID(result);
EXPECT(!value);
}
TEST_CASE(DartAPI_BooleanConstants) {
Dart_Handle true_handle = Dart_True();
EXPECT_VALID(true_handle);
EXPECT(Dart_IsBoolean(true_handle));
bool value = false;
Dart_Handle result = Dart_BooleanValue(true_handle, &value);
EXPECT_VALID(result);
EXPECT(value);
Dart_Handle false_handle = Dart_False();
EXPECT_VALID(false_handle);
EXPECT(Dart_IsBoolean(false_handle));
result = Dart_BooleanValue(false_handle, &value);
EXPECT_VALID(result);
EXPECT(!value);
}
TEST_CASE(DartAPI_DoubleValues) {
const double kDoubleVal1 = 201.29;
const double kDoubleVal2 = 101.19;
Dart_Handle val1 = Dart_NewDouble(kDoubleVal1);
EXPECT(Dart_IsDouble(val1));
Dart_Handle val2 = Dart_NewDouble(kDoubleVal2);
EXPECT(Dart_IsDouble(val2));
double out1, out2;
Dart_Handle result = Dart_DoubleValue(val1, &out1);
EXPECT_VALID(result);
EXPECT_EQ(kDoubleVal1, out1);
result = Dart_DoubleValue(val2, &out2);
EXPECT_VALID(result);
EXPECT_EQ(kDoubleVal2, out2);
}
TEST_CASE(DartAPI_NumberValues) {
// TODO(antonm): add various kinds of ints (smi, mint, bigint).
const char* kScriptChars =
"int getInt() { return 1; }\n"
"double getDouble() { return 1.0; }\n"
"bool getBool() { return false; }\n"
"getNull() { return null; }\n";
Dart_Handle result;
// Create a test library and Load up a test script in it.
Dart_Handle lib = TestCase::LoadTestScript(kScriptChars, NULL);
// Check int case.
result = Dart_Invoke(lib, NewString("getInt"), 0, NULL);
EXPECT_VALID(result);
EXPECT(Dart_IsNumber(result));
// Check double case.
result = Dart_Invoke(lib, NewString("getDouble"), 0, NULL);
EXPECT_VALID(result);
EXPECT(Dart_IsNumber(result));
// Check bool case.
result = Dart_Invoke(lib, NewString("getBool"), 0, NULL);
EXPECT_VALID(result);
EXPECT(!Dart_IsNumber(result));
// Check null case.
result = Dart_Invoke(lib, NewString("getNull"), 0, NULL);
EXPECT_VALID(result);
EXPECT(!Dart_IsNumber(result));
}
TEST_CASE(DartAPI_IntegerValues) {
const int64_t kIntegerVal1 = 100;
const int64_t kIntegerVal2 = 0xffffffff;
const char* kIntegerVal3 = "0x123456789123456789123456789";
const uint64_t kIntegerVal4 = 0xffffffffffffffff;
const int64_t kIntegerVal5 = -0x7fffffffffffffff;
Dart_Handle val1 = Dart_NewInteger(kIntegerVal1);
EXPECT(Dart_IsInteger(val1));
bool fits = false;
Dart_Handle result = Dart_IntegerFitsIntoInt64(val1, &fits);
EXPECT_VALID(result);
EXPECT(fits);
int64_t out = 0;
result = Dart_IntegerToInt64(val1, &out);
EXPECT_VALID(result);
EXPECT_EQ(kIntegerVal1, out);
Dart_Handle val2 = Dart_NewInteger(kIntegerVal2);
EXPECT(Dart_IsInteger(val2));
result = Dart_IntegerFitsIntoInt64(val2, &fits);
EXPECT_VALID(result);
EXPECT(fits);
result = Dart_IntegerToInt64(val2, &out);
EXPECT_VALID(result);
EXPECT_EQ(kIntegerVal2, out);
Dart_Handle val3 = Dart_NewIntegerFromHexCString(kIntegerVal3);
EXPECT(Dart_IsApiError(val3));
Dart_Handle val4 = Dart_NewIntegerFromUint64(kIntegerVal4);
EXPECT(Dart_IsApiError(val4));
Dart_Handle val5 = Dart_NewInteger(-1);
EXPECT_VALID(val5);
uint64_t out5 = 0;
result = Dart_IntegerToUint64(val5, &out5);
EXPECT(Dart_IsError(result));
Dart_Handle val6 = Dart_NewInteger(kIntegerVal5);
EXPECT_VALID(val6);
uint64_t out6 = 0;
result = Dart_IntegerToUint64(val6, &out6);
EXPECT(Dart_IsError(result));
}
TEST_CASE(DartAPI_IntegerToHexCString) {
const struct {
int64_t i;
const char* s;
} kIntTestCases[] = {
{0, "0x0"},
{1, "0x1"},
{-1, "-0x1"},
{0x123, "0x123"},
{-0xABCDEF, "-0xABCDEF"},
{DART_INT64_C(-0x7FFFFFFFFFFFFFFF), "-0x7FFFFFFFFFFFFFFF"},
{kMaxInt64, "0x7FFFFFFFFFFFFFFF"},
{kMinInt64, "-0x8000000000000000"},
};
const size_t kNumberOfIntTestCases =
sizeof(kIntTestCases) / sizeof(kIntTestCases[0]);
for (size_t i = 0; i < kNumberOfIntTestCases; ++i) {
Dart_Handle val = Dart_NewInteger(kIntTestCases[i].i);
EXPECT_VALID(val);
const char* chars = NULL;
Dart_Handle result = Dart_IntegerToHexCString(val, &chars);
EXPECT_VALID(result);
EXPECT_STREQ(kIntTestCases[i].s, chars);
}
}
TEST_CASE(DartAPI_IntegerFitsIntoInt64) {
Dart_Handle max = Dart_NewInteger(kMaxInt64);
EXPECT(Dart_IsInteger(max));
bool fits = false;
Dart_Handle result = Dart_IntegerFitsIntoInt64(max, &fits);
EXPECT_VALID(result);
EXPECT(fits);
Dart_Handle above_max = Dart_NewIntegerFromHexCString("0x10000000000000000");
EXPECT(Dart_IsApiError(above_max));
Dart_Handle min = Dart_NewInteger(kMinInt64);
EXPECT(Dart_IsInteger(min));
fits = false;
result = Dart_IntegerFitsIntoInt64(min, &fits);
EXPECT_VALID(result);
EXPECT(fits);
Dart_Handle below_min = Dart_NewIntegerFromHexCString("-0x10000000000000001");
EXPECT(Dart_IsApiError(below_min));
}
TEST_CASE(DartAPI_IntegerFitsIntoUint64) {
Dart_Handle max = Dart_NewIntegerFromUint64(kMaxUint64);
EXPECT(Dart_IsApiError(max));
Dart_Handle above_max = Dart_NewIntegerFromHexCString("0x10000000000000000");
EXPECT(Dart_IsApiError(above_max));
Dart_Handle min = Dart_NewInteger(0);
EXPECT(Dart_IsInteger(min));
bool fits = false;
Dart_Handle result = Dart_IntegerFitsIntoUint64(min, &fits);
EXPECT_VALID(result);
EXPECT(fits);
Dart_Handle below_min = Dart_NewIntegerFromHexCString("-1");
EXPECT(Dart_IsInteger(below_min));
fits = true;
result = Dart_IntegerFitsIntoUint64(below_min, &fits);
EXPECT_VALID(result);
EXPECT(!fits);
}
TEST_CASE(DartAPI_ArrayValues) {
EXPECT(!Dart_IsList(Dart_Null()));
const int kArrayLength = 10;
Dart_Handle str = NewString("test");
EXPECT(!Dart_IsList(str));
Dart_Handle val = Dart_NewList(kArrayLength);
EXPECT(Dart_IsList(val));
intptr_t len = 0;
Dart_Handle result = Dart_ListLength(val, &len);
EXPECT_VALID(result);
EXPECT_EQ(kArrayLength, len);
// Check invalid array access.
result = Dart_ListSetAt(val, (kArrayLength + 10), Dart_NewInteger(10));
EXPECT(Dart_IsError(result));
result = Dart_ListSetAt(val, -10, Dart_NewInteger(10));
EXPECT(Dart_IsError(result));
result = Dart_ListGetAt(val, (kArrayLength + 10));
EXPECT(Dart_IsError(result));
result = Dart_ListGetAt(val, -10);
EXPECT(Dart_IsError(result));
for (int i = 0; i < kArrayLength; i++) {
result = Dart_ListSetAt(val, i, Dart_NewInteger(i));
EXPECT_VALID(result);
}
for (int i = 0; i < kArrayLength; i++) {
result = Dart_ListGetAt(val, i);
EXPECT_VALID(result);
int64_t value;
result = Dart_IntegerToInt64(result, &value);
EXPECT_VALID(result);
EXPECT_EQ(i, value);
}
}
static void NoopFinalizer(void* isolate_callback_data,
Dart_WeakPersistentHandle handle,
void* peer) {}
TEST_CASE(DartAPI_IsString) {
uint8_t latin1[] = {'o', 'n', 'e', 0xC2, 0xA2};
Dart_Handle latin1str = Dart_NewStringFromUTF8(latin1, ARRAY_SIZE(latin1));
EXPECT_VALID(latin1str);
EXPECT(Dart_IsString(latin1str));
EXPECT(Dart_IsStringLatin1(latin1str));
EXPECT(!Dart_IsExternalString(latin1str));
intptr_t len = -1;
EXPECT_VALID(Dart_StringLength(latin1str, &len));
EXPECT_EQ(4, len);
intptr_t char_size;
intptr_t str_len;
void* peer;
EXPECT_VALID(
Dart_StringGetProperties(latin1str, &char_size, &str_len, &peer));
EXPECT_EQ(1, char_size);
EXPECT_EQ(4, str_len);
EXPECT(!peer);
uint8_t data8[] = {'o', 'n', 'e', 0x7F};
Dart_Handle str8 = Dart_NewStringFromUTF8(data8, ARRAY_SIZE(data8));
EXPECT_VALID(str8);
EXPECT(Dart_IsString(str8));
EXPECT(Dart_IsStringLatin1(str8));
EXPECT(!Dart_IsExternalString(str8));
uint8_t latin1_array[] = {0, 0, 0, 0, 0};
len = 5;
Dart_Handle result = Dart_StringToLatin1(str8, latin1_array, &len);
EXPECT_VALID(result);
EXPECT_EQ(4, len);
EXPECT(latin1_array != NULL);
for (intptr_t i = 0; i < len; i++) {
EXPECT_EQ(data8[i], latin1_array[i]);
}
Dart_Handle ext8 = Dart_NewExternalLatin1String(
data8, ARRAY_SIZE(data8), data8, sizeof(data8), NoopFinalizer);
EXPECT_VALID(ext8);
EXPECT(Dart_IsString(ext8));
EXPECT(Dart_IsExternalString(ext8));
EXPECT_VALID(Dart_StringGetProperties(ext8, &char_size, &str_len, &peer));
EXPECT_EQ(1, char_size);
EXPECT_EQ(4, str_len);
EXPECT_EQ(data8, peer);
uint16_t data16[] = {'t', 'w', 'o', 0xFFFF};
Dart_Handle str16 = Dart_NewStringFromUTF16(data16, ARRAY_SIZE(data16));
EXPECT_VALID(str16);
EXPECT(Dart_IsString(str16));
EXPECT(!Dart_IsStringLatin1(str16));
EXPECT(!Dart_IsExternalString(str16));
EXPECT_VALID(Dart_StringGetProperties(str16, &char_size, &str_len, &peer));
EXPECT_EQ(2, char_size);
EXPECT_EQ(4, str_len);
EXPECT(!peer);
Dart_Handle ext16 = Dart_NewExternalUTF16String(
data16, ARRAY_SIZE(data16), data16, sizeof(data16), NoopFinalizer);
EXPECT_VALID(ext16);
EXPECT(Dart_IsString(ext16));
EXPECT(Dart_IsExternalString(ext16));
EXPECT_VALID(Dart_StringGetProperties(ext16, &char_size, &str_len, &peer));
EXPECT_EQ(2, char_size);
EXPECT_EQ(4, str_len);
EXPECT_EQ(data16, peer);
int32_t data32[] = {'f', 'o', 'u', 'r', 0x10FFFF};
Dart_Handle str32 = Dart_NewStringFromUTF32(data32, ARRAY_SIZE(data32));
EXPECT_VALID(str32);
EXPECT(Dart_IsString(str32));
EXPECT(!Dart_IsExternalString(str32));
}
TEST_CASE(DartAPI_NewString) {
const char* ascii = "string";
Dart_Handle ascii_str = NewString(ascii);
EXPECT_VALID(ascii_str);
EXPECT(Dart_IsString(ascii_str));
const char* null = NULL;
Dart_Handle null_str = NewString(null);
EXPECT(Dart_IsError(null_str));
uint8_t data[] = {0xE4, 0xBA, 0x8c}; // U+4E8C.
Dart_Handle utf8_str = Dart_NewStringFromUTF8(data, ARRAY_SIZE(data));
EXPECT_VALID(utf8_str);
EXPECT(Dart_IsString(utf8_str));
uint8_t invalid[] = {0xE4, 0xBA}; // underflow.
Dart_Handle invalid_str =
Dart_NewStringFromUTF8(invalid, ARRAY_SIZE(invalid));
EXPECT(Dart_IsError(invalid_str));
}
TEST_CASE(DartAPI_MalformedStringToUTF8) {
// 1D11E = treble clef
// [0] should be high surrogate D834
// [1] should be low surrogate DD1E
// Strings are allowed to have individual or out of order surrogates, even
// if that doesn't make sense as renderable characters.
const char* kScriptChars =
"String lowSurrogate() {"
" return '\\u{1D11E}'[1];"
"}"
"String highSurrogate() {"
" return '\\u{1D11E}'[0];"
"}"
"String reversed() => lowSurrogate() + highSurrogate();";
Dart_Handle lib = TestCase::LoadTestScript(kScriptChars, NULL);
Dart_Handle str1 = Dart_Invoke(lib, NewString("lowSurrogate"), 0, NULL);
EXPECT_VALID(str1);
uint8_t* utf8_encoded = NULL;
intptr_t utf8_length = 0;
Dart_Handle result = Dart_StringToUTF8(str1, &utf8_encoded, &utf8_length);
EXPECT_VALID(result);
EXPECT_EQ(3, utf8_length);
EXPECT_EQ(237, static_cast<intptr_t>(utf8_encoded[0]));
EXPECT_EQ(180, static_cast<intptr_t>(utf8_encoded[1]));
EXPECT_EQ(158, static_cast<intptr_t>(utf8_encoded[2]));
Dart_Handle str2 = Dart_NewStringFromUTF8(utf8_encoded, utf8_length);
EXPECT_VALID(str2); // Standalone low surrogate, but still valid
Dart_Handle reversed = Dart_Invoke(lib, NewString("reversed"), 0, NULL);
EXPECT_VALID(reversed); // This is also allowed.
uint8_t* utf8_encoded_reversed = NULL;
intptr_t utf8_length_reversed = 0;
result = Dart_StringToUTF8(reversed, &utf8_encoded_reversed,
&utf8_length_reversed);
EXPECT_VALID(result);
EXPECT_EQ(6, utf8_length_reversed);
uint8_t expected[6] = {237, 180, 158, 237, 160, 180};
for (int i = 0; i < 6; i++) {
EXPECT_EQ(expected[i], utf8_encoded_reversed[i]);
}
}
// Helper class to ensure new gen GC is triggered without any side effects.
// The normal call to CollectGarbage(Heap::kNew) could potentially trigger
// an old gen collection if there is a promotion failure and this could
// perturb the test.
class GCTestHelper : public AllStatic {
public:
static void CollectNewSpace() {
Isolate::Current()->heap()->new_space()->Scavenge();
}
static void WaitForGCTasks() {
Thread* thread = Thread::Current();
PageSpace* old_space = thread->isolate()->heap()->old_space();
MonitorLocker ml(old_space->tasks_lock());
while (old_space->tasks() > 0) {
ml.WaitWithSafepointCheck(thread);
}
}
};
static void ExternalStringCallbackFinalizer(void* isolate_callback_data,
Dart_WeakPersistentHandle handle,
void* peer) {
*static_cast<int*>(peer) *= 2;
}
TEST_CASE(DartAPI_ExternalStringCallback) {
int peer8 = 40;
int peer16 = 41;
{
Dart_EnterScope();
uint8_t data8[] = {'h', 'e', 'l', 'l', 'o'};
Dart_Handle obj8 = Dart_NewExternalLatin1String(
data8, ARRAY_SIZE(data8), &peer8, sizeof(data8),
ExternalStringCallbackFinalizer);
EXPECT_VALID(obj8);
uint16_t data16[] = {'h', 'e', 'l', 'l', 'o'};
Dart_Handle obj16 = Dart_NewExternalUTF16String(
data16, ARRAY_SIZE(data16), &peer16, sizeof(data16),
ExternalStringCallbackFinalizer);
EXPECT_VALID(obj16);
Dart_ExitScope();
}
{
TransitionNativeToVM transition(thread);
EXPECT_EQ(40, peer8);
EXPECT_EQ(41, peer16);
Isolate::Current()->heap()->CollectGarbage(Heap::kOld);
GCTestHelper::WaitForGCTasks();
EXPECT_EQ(40, peer8);
EXPECT_EQ(41, peer16);
Isolate::Current()->heap()->CollectGarbage(Heap::kNew);
GCTestHelper::WaitForGCTasks();
EXPECT_EQ(80, peer8);
EXPECT_EQ(82, peer16);
}
}
TEST_CASE(DartAPI_ExternalStringPretenure) {
{
Dart_EnterScope();
static const uint8_t big_data8[16 * MB] = {
0,
};
Dart_Handle big8 =
Dart_NewExternalLatin1String(big_data8, ARRAY_SIZE(big_data8), NULL,
sizeof(big_data8), NoopFinalizer);
EXPECT_VALID(big8);
static const uint16_t big_data16[16 * MB / 2] = {
0,
};
Dart_Handle big16 =
Dart_NewExternalUTF16String(big_data16, ARRAY_SIZE(big_data16), NULL,
sizeof(big_data16), NoopFinalizer);
static const uint8_t small_data8[] = {'f', 'o', 'o'};
Dart_Handle small8 =
Dart_NewExternalLatin1String(small_data8, ARRAY_SIZE(small_data8), NULL,
sizeof(small_data8), NoopFinalizer);
EXPECT_VALID(small8);
static const uint16_t small_data16[] = {'b', 'a', 'r'};
Dart_Handle small16 =
Dart_NewExternalUTF16String(small_data16, ARRAY_SIZE(small_data16),
NULL, sizeof(small_data16), NoopFinalizer);
EXPECT_VALID(small16);
{
CHECK_API_SCOPE(thread);
TransitionNativeToVM transition(thread);
HANDLESCOPE(thread);
String& handle = String::Handle();
handle ^= Api::UnwrapHandle(big8);
EXPECT(handle.IsOld());
handle ^= Api::UnwrapHandle(big16);
EXPECT(handle.IsOld());
handle ^= Api::UnwrapHandle(small8);
EXPECT(handle.IsNew());
handle ^= Api::UnwrapHandle(small16);
EXPECT(handle.IsNew());
}
Dart_ExitScope();
}
}
TEST_CASE(DartAPI_ExternalTypedDataPretenure) {
{
Dart_EnterScope();
static const int kBigLength = 16 * MB / 8;
int64_t* big_data = new int64_t[kBigLength]();
Dart_Handle big =
Dart_NewExternalTypedData(Dart_TypedData_kInt64, big_data, kBigLength);
EXPECT_VALID(big);
static const int kSmallLength = 16 * KB / 8;
int64_t* small_data = new int64_t[kSmallLength]();
Dart_Handle small = Dart_NewExternalTypedData(Dart_TypedData_kInt64,
small_data, kSmallLength);
EXPECT_VALID(small);
{
CHECK_API_SCOPE(thread);
TransitionNativeToVM transition(thread);
HANDLESCOPE(thread);
ExternalTypedData& handle = ExternalTypedData::Handle();
handle ^= Api::UnwrapHandle(big);
EXPECT(handle.IsOld());
handle ^= Api::UnwrapHandle(small);
EXPECT(handle.IsNew());
}
Dart_ExitScope();
delete[] big_data;
delete[] small_data;
}
}
TEST_CASE(DartAPI_ListAccess) {
const char* kScriptChars =
"List testMain() {"
" List a = new List();"
" a.add(10);"
" a.add(20);"
" a.add(30);"
" return a;"
"}"
""
"List immutable() {"
" return const [0, 1, 2];"
"}";
Dart_Handle result;
// Create a test library and Load up a test script in it.
Dart_Handle lib = TestCase::LoadTestScript(kScriptChars, NULL);
// Invoke a function which returns an object of type List.
result = Dart_Invoke(lib, NewString("testMain"), 0, NULL);
EXPECT_VALID(result);
// First ensure that the returned object is an array.
Dart_Handle list_access_test_obj = result;
EXPECT(Dart_IsList(list_access_test_obj));
// Get length of array object.
intptr_t len = 0;
result = Dart_ListLength(list_access_test_obj, &len);
EXPECT_VALID(result);
EXPECT_EQ(3, len);
// Access elements in the array.
int64_t value;
result = Dart_ListGetAt(list_access_test_obj, 0);
EXPECT_VALID(result);
result = Dart_IntegerToInt64(result, &value);
EXPECT_VALID(result);
EXPECT_EQ(10, value);
result = Dart_ListGetAt(list_access_test_obj, 1);
EXPECT_VALID(result);
result = Dart_IntegerToInt64(result, &value);
EXPECT_VALID(result);
EXPECT_EQ(20, value);
result = Dart_ListGetAt(list_access_test_obj, 2);
EXPECT_VALID(result);
result = Dart_IntegerToInt64(result, &value);
EXPECT_VALID(result);
EXPECT_EQ(30, value);
// Set some elements in the array.
result = Dart_ListSetAt(list_access_test_obj, 0, Dart_NewInteger(0));
EXPECT_VALID(result);
result = Dart_ListSetAt(list_access_test_obj, 1, Dart_NewInteger(1));
EXPECT_VALID(result);
result = Dart_ListSetAt(list_access_test_obj, 2, Dart_NewInteger(2));
EXPECT_VALID(result);
// Get length of array object.
result = Dart_ListLength(list_access_test_obj, &len);
EXPECT_VALID(result);
EXPECT_EQ(3, len);
// Now try and access these elements in the array.
result = Dart_ListGetAt(list_access_test_obj, 0);
EXPECT_VALID(result);
result = Dart_IntegerToInt64(result, &value);
EXPECT_VALID(result);
EXPECT_EQ(0, value);
result = Dart_ListGetAt(list_access_test_obj, 1);
EXPECT_VALID(result);
result = Dart_IntegerToInt64(result, &value);
EXPECT_VALID(result);
EXPECT_EQ(1, value);
result = Dart_ListGetAt(list_access_test_obj, 2);
EXPECT_VALID(result);
result = Dart_IntegerToInt64(result, &value);
EXPECT_VALID(result);
EXPECT_EQ(2, value);
uint8_t native_array[3];
result = Dart_ListGetAsBytes(list_access_test_obj, 0, native_array, 3);
EXPECT_VALID(result);
EXPECT_EQ(0, native_array[0]);
EXPECT_EQ(1, native_array[1]);
EXPECT_EQ(2, native_array[2]);
native_array[0] = 10;
native_array[1] = 20;
native_array[2] = 30;
result = Dart_ListSetAsBytes(list_access_test_obj, 0, native_array, 3);
EXPECT_VALID(result);
result = Dart_ListGetAsBytes(list_access_test_obj, 0, native_array, 3);
EXPECT_VALID(result);
EXPECT_EQ(10, native_array[0]);
EXPECT_EQ(20, native_array[1]);
EXPECT_EQ(30, native_array[2]);
result = Dart_ListGetAt(list_access_test_obj, 2);
EXPECT_VALID(result);
result = Dart_IntegerToInt64(result, &value);
EXPECT_VALID(result);
EXPECT_EQ(30, value);
// Check if we get an exception when accessing beyond limit.
result = Dart_ListGetAt(list_access_test_obj, 4);
EXPECT(Dart_IsError(result));
// Check if we can get a range of values.
result = Dart_ListGetRange(list_access_test_obj, 8, 4, NULL);
EXPECT(Dart_IsError(result));
const int kRangeOffset = 1;
const int kRangeLength = 2;
Dart_Handle values[kRangeLength];
result = Dart_ListGetRange(list_access_test_obj, 8, 4, values);
EXPECT(Dart_IsError(result));
result = Dart_ListGetRange(list_access_test_obj, kRangeOffset, kRangeLength,
values);
EXPECT_VALID(result);
result = Dart_IntegerToInt64(values[0], &value);
EXPECT_VALID(result);
EXPECT_EQ(20, value);
result = Dart_IntegerToInt64(values[1], &value);
EXPECT_VALID(result);
EXPECT_EQ(30, value);
// Check that we get an exception (and not a fatal error) when
// calling ListSetAt and ListSetAsBytes with an immutable list.
list_access_test_obj = Dart_Invoke(lib, NewString("immutable"), 0, NULL);
EXPECT_VALID(list_access_test_obj);
EXPECT(Dart_IsList(list_access_test_obj));
result = Dart_ListSetAsBytes(list_access_test_obj, 0, native_array, 3);
EXPECT(Dart_IsError(result));
EXPECT(Dart_IsUnhandledExceptionError(result));
result = Dart_ListSetAt(list_access_test_obj, 0, Dart_NewInteger(42));
EXPECT(Dart_IsError(result));
EXPECT(Dart_IsUnhandledExceptionError(result));
}
TEST_CASE(DartAPI_MapAccess) {
EXPECT(!Dart_IsMap(Dart_Null()));
const char* kScriptChars =
"Map testMain() {"
" return {"
" 'a' : 1,"
" 'b' : null,"
" };"
"}";
Dart_Handle result;
// Create a test library and Load up a test script in it.
Dart_Handle lib = TestCase::LoadTestScript(kScriptChars, NULL);
// Invoke a function which returns an object of type Map.
result = Dart_Invoke(lib, NewString("testMain"), 0, NULL);
EXPECT_VALID(result);
// First ensure that the returned object is a map.
Dart_Handle map = result;
Dart_Handle a = NewString("a");
Dart_Handle b = NewString("b");
Dart_Handle c = NewString("c");
EXPECT(Dart_IsMap(map));
EXPECT(!Dart_IsMap(a));
// Access values in the map.
int64_t value;
result = Dart_MapGetAt(map, a);
EXPECT_VALID(result);
result = Dart_IntegerToInt64(result, &value);
EXPECT_VALID(result);
EXPECT_EQ(value, 1);
result = Dart_MapGetAt(map, b);
EXPECT(Dart_IsNull(result));
result = Dart_MapGetAt(map, c);
EXPECT(Dart_IsNull(result));
EXPECT(Dart_IsError(Dart_MapGetAt(a, a)));
// Test for presence of keys.
bool contains = false;
result = Dart_MapContainsKey(map, a);
EXPECT_VALID(result);
result = Dart_BooleanValue(result, &contains);
EXPECT_VALID(result);
EXPECT(contains);
contains = false;
result = Dart_MapContainsKey(map, NewString("b"));
EXPECT_VALID(result);
result = Dart_BooleanValue(result, &contains);
EXPECT_VALID(result);
EXPECT(contains);
contains = true;
result = Dart_MapContainsKey(map, NewString("c"));
EXPECT_VALID(result);
result = Dart_BooleanValue(result, &contains);
EXPECT_VALID(result);
EXPECT(!contains);
EXPECT(Dart_IsError(Dart_MapContainsKey(a, a)));
// Enumerate keys. (Note literal maps guarantee key order.)
Dart_Handle keys = Dart_MapKeys(map);
EXPECT_VALID(keys);
intptr_t len = 0;
bool equals;
result = Dart_ListLength(keys, &len);
EXPECT_VALID(result);
EXPECT_EQ(2, len);
result = Dart_ListGetAt(keys, 0);
EXPECT(Dart_IsString(result));
equals = false;
EXPECT_VALID(Dart_ObjectEquals(result, a, &equals));
EXPECT(equals);
result = Dart_ListGetAt(keys, 1);
EXPECT(Dart_IsString(result));
equals = false;
EXPECT_VALID(Dart_ObjectEquals(result, b, &equals));
EXPECT(equals);
EXPECT(Dart_IsError(Dart_MapKeys(a)));
}
TEST_CASE(DartAPI_IsFuture) {
const char* kScriptChars =
"import 'dart:async';"
"Future testMain() {"
" return new Completer().future;"
"}";
Dart_Handle result;
// Create a test library and Load up a test script in it.
Dart_Handle lib = TestCase::LoadTestScript(kScriptChars, NULL);
// Invoke a function which returns an object of type Future.
result = Dart_Invoke(lib, NewString("testMain"), 0, NULL);
EXPECT_VALID(result);
EXPECT(Dart_IsFuture(result));
EXPECT(!Dart_IsFuture(lib)); // Non-instance.
Dart_Handle anInteger = Dart_NewInteger(0);
EXPECT(!Dart_IsFuture(anInteger));
Dart_Handle aString = NewString("I am not a Future");
EXPECT(!Dart_IsFuture(aString));
Dart_Handle null = Dart_Null();
EXPECT(!Dart_IsFuture(null));
}
TEST_CASE(DartAPI_TypedDataViewListGetAsBytes) {
const int kSize = 1000;
const char* kScriptChars =
"import 'dart:typed_data';\n"
"List main(int size) {\n"
" var a = new Int8List(size);\n"
" var view = new Int8List.view(a.buffer, 0, size);\n"
" return view;\n"
"}\n";
// Create a test library and Load up a test script in it.
Dart_Handle lib = TestCase::LoadTestScript(kScriptChars, NULL);
// Test with a typed data view object.
Dart_Handle dart_args[1];
dart_args[0] = Dart_NewInteger(kSize);
Dart_Handle view_obj = Dart_Invoke(lib, NewString("main"), 1, dart_args);
EXPECT_VALID(view_obj);
for (intptr_t i = 0; i < kSize; ++i) {
EXPECT_VALID(Dart_ListSetAt(view_obj, i, Dart_NewInteger(i & 0xff)));
}
uint8_t* data = new uint8_t[kSize];
EXPECT_VALID(Dart_ListGetAsBytes(view_obj, 0, data, kSize));
for (intptr_t i = 0; i < kSize; ++i) {
EXPECT_EQ(i & 0xff, data[i]);
}
Dart_Handle result = Dart_ListGetAsBytes(view_obj, 0, data, kSize + 1);
EXPECT(Dart_IsError(result));
delete[] data;
}
TEST_CASE(DartAPI_TypedDataViewListIsTypedData) {
const int kSize = 1000;
const char* kScriptChars =
"import 'dart:typed_data';\n"
"List main(int size) {\n"
" var a = new Int8List(size);\n"
" var view = new Int8List.view(a.buffer, 0, size);\n"
" return view;\n"
"}\n";
// Create a test library and Load up a test script in it.
Dart_Handle lib = TestCase::LoadTestScript(kScriptChars, NULL);
// Create a typed data view object.
Dart_Handle dart_args[1];
dart_args[0] = Dart_NewInteger(kSize);
Dart_Handle view_obj = Dart_Invoke(lib, NewString("main"), 1, dart_args);
EXPECT_VALID(view_obj);
// Test that the API considers it a TypedData object.
EXPECT(Dart_IsTypedData(view_obj));
}
TEST_CASE(DartAPI_TypedDataAccess) {
EXPECT_EQ(Dart_TypedData_kInvalid, Dart_GetTypeOfTypedData(Dart_True()));
EXPECT_EQ(Dart_TypedData_kInvalid,
Dart_GetTypeOfExternalTypedData(Dart_False()));
Dart_Handle byte_array1 = Dart_NewTypedData(Dart_TypedData_kUint8, 10);
EXPECT_VALID(byte_array1);
EXPECT_EQ(Dart_TypedData_kUint8, Dart_GetTypeOfTypedData(byte_array1));
EXPECT_EQ(Dart_TypedData_kInvalid,
Dart_GetTypeOfExternalTypedData(byte_array1));
EXPECT(Dart_IsList(byte_array1));
EXPECT(!Dart_IsTypedData(Dart_True()));
EXPECT(Dart_IsTypedData(byte_array1));
EXPECT(!Dart_IsByteBuffer(byte_array1));
intptr_t length = 0;
Dart_Handle result = Dart_ListLength(byte_array1, &length);
EXPECT_VALID(result);
EXPECT_EQ(10, length);
result = Dart_ListSetAt(byte_array1, -1, Dart_NewInteger(1));
EXPECT(Dart_IsError(result));
result = Dart_ListSetAt(byte_array1, 10, Dart_NewInteger(1));
EXPECT(Dart_IsError(result));
// Set through the List API.
for (intptr_t i = 0; i < 10; ++i) {
EXPECT_VALID(Dart_ListSetAt(byte_array1, i, Dart_NewInteger(i + 1)));
}
for (intptr_t i = 0; i < 10; ++i) {
// Get through the List API.
Dart_Handle integer_obj = Dart_ListGetAt(byte_array1, i);
EXPECT_VALID(integer_obj);
int64_t int64_t_value = -1;
EXPECT_VALID(Dart_IntegerToInt64(integer_obj, &int64_t_value));
EXPECT_EQ(i + 1, int64_t_value);
}
Dart_Handle byte_array2 = Dart_NewTypedData(Dart_TypedData_kUint8, 10);
bool is_equal = false;
Dart_ObjectEquals(byte_array1, byte_array2, &is_equal);
EXPECT(!is_equal);
// Set through the List API.
for (intptr_t i = 0; i < 10; ++i) {
result = Dart_ListSetAt(byte_array1, i, Dart_NewInteger(i + 2));
EXPECT_VALID(result);
result = Dart_ListSetAt(byte_array2, i, Dart_NewInteger(i + 2));
EXPECT_VALID(result);
}
for (intptr_t i = 0; i < 10; ++i) {
// Get through the List API.
Dart_Handle e1 = Dart_ListGetAt(byte_array1, i);
Dart_Handle e2 = Dart_ListGetAt(byte_array2, i);
is_equal = false;
Dart_ObjectEquals(e1, e2, &is_equal);
EXPECT(is_equal);
}
uint8_t data[] = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9};
for (intptr_t i = 0; i < 10; ++i) {
EXPECT_VALID(Dart_ListSetAt(byte_array1, i, Dart_NewInteger(10 - i)));
}
Dart_ListGetAsBytes(byte_array1, 0, data, 10);
for (intptr_t i = 0; i < 10; ++i) {
Dart_Handle integer_obj = Dart_ListGetAt(byte_array1, i);
EXPECT_VALID(integer_obj);
int64_t int64_t_value = -1;
EXPECT_VALID(Dart_IntegerToInt64(integer_obj, &int64_t_value));
EXPECT_EQ(10 - i, int64_t_value);
}
}
TEST_CASE(DartAPI_ByteBufferAccess) {
EXPECT(!Dart_IsByteBuffer(Dart_True()));
Dart_Handle byte_array = Dart_NewTypedData(Dart_TypedData_kUint8, 10);
EXPECT_VALID(byte_array);
// Set through the List API.
for (intptr_t i = 0; i < 10; ++i) {
EXPECT_VALID(Dart_ListSetAt(byte_array, i, Dart_NewInteger(i + 1)));
}
Dart_Handle byte_buffer = Dart_NewByteBuffer(byte_array);
EXPECT_VALID(byte_buffer);
EXPECT(Dart_IsByteBuffer(byte_buffer));
EXPECT(!Dart_IsTypedData(byte_buffer));
Dart_Handle byte_buffer_data = Dart_GetDataFromByteBuffer(byte_buffer);
EXPECT_VALID(byte_buffer_data);
EXPECT(!Dart_IsByteBuffer(byte_buffer_data));
EXPECT(Dart_IsTypedData(byte_buffer_data));
intptr_t length = 0;
Dart_Handle result = Dart_ListLength(byte_buffer_data, &length);
EXPECT_VALID(result);
EXPECT_EQ(10, length);
for (intptr_t i = 0; i < 10; ++i) {
// Get through the List API.
Dart_Handle integer_obj = Dart_ListGetAt(byte_buffer_data, i);
EXPECT_VALID(integer_obj);
int64_t int64_t_value = -1;
EXPECT_VALID(Dart_IntegerToInt64(integer_obj, &int64_t_value));
EXPECT_EQ(i + 1, int64_t_value);
}
// Some negative tests.
result = Dart_NewByteBuffer(Dart_True());
EXPECT(Dart_IsError(result));
result = Dart_NewByteBuffer(byte_buffer);
EXPECT(Dart_IsError(result));
result = Dart_GetDataFromByteBuffer(Dart_False());
EXPECT(Dart_IsError(result));
result = Dart_GetDataFromByteBuffer(byte_array);
EXPECT(Dart_IsError(result));
}
static int kLength = 16;
static void ByteDataNativeFunction(Dart_NativeArguments args) {
Dart_EnterScope();
Dart_Handle byte_data = Dart_NewTypedData(Dart_TypedData_kByteData, kLength);
EXPECT_VALID(byte_data);
EXPECT_EQ(Dart_TypedData_kByteData, Dart_GetTypeOfTypedData(byte_data));
Dart_SetReturnValue(args, byte_data);
Dart_ExitScope();
}
static Dart_NativeFunction ByteDataNativeResolver(Dart_Handle name,
int arg_count,
bool* auto_setup_scope) {
ASSERT(auto_setup_scope != NULL);
*auto_setup_scope = true;
return &ByteDataNativeFunction;
}
TEST_CASE(DartAPI_ByteDataAccess) {
const char* kScriptChars =
"import 'dart:typed_data';\n"
"class Expect {\n"
" static equals(a, b) {\n"
" if (a != b) {\n"
" throw 'not equal. expected: $a, got: $b';\n"
" }\n"
" }\n"
"}\n"
"ByteData createByteData() native 'CreateByteData';"
"ByteData main() {"
" var length = 16;"
" var a = createByteData();"
" Expect.equals(length, a.lengthInBytes);"
" for (int i = 0; i < length; i+=1) {"
" a.setInt8(i, 0x42);"
" }"
" for (int i = 0; i < length; i+=2) {"
" Expect.equals(0x4242, a.getInt16(i));"
" }"
" return a;"
"}\n";
// Create a test library and Load up a test script in it.
Dart_Handle lib = TestCase::LoadTestScript(kScriptChars, NULL);
Dart_Handle result =
Dart_SetNativeResolver(lib, &ByteDataNativeResolver, NULL);
EXPECT_VALID(result);
// Invoke 'main' function.
result = Dart_Invoke(lib, NewString("main"), 0, NULL);
EXPECT_VALID(result);
}
static const intptr_t kExtLength = 16;
static int8_t data[kExtLength] = {
0x41, 0x42, 0x41, 0x42, 0x41, 0x42, 0x41, 0x42,
0x41, 0x42, 0x41, 0x42, 0x41, 0x42, 0x41, 0x42,
};
static void ExternalByteDataNativeFunction(Dart_NativeArguments args) {
Dart_EnterScope();
Dart_Handle external_byte_data =
Dart_NewExternalTypedData(Dart_TypedData_kByteData, data, 16);
EXPECT_VALID(external_byte_data);
EXPECT_EQ(Dart_TypedData_kByteData,
Dart_GetTypeOfTypedData(external_byte_data));
Dart_SetReturnValue(args, external_byte_data);
Dart_ExitScope();
}
static Dart_NativeFunction ExternalByteDataNativeResolver(
Dart_Handle name,
int arg_count,
bool* auto_setup_scope) {
ASSERT(auto_setup_scope != NULL);
*auto_setup_scope = true;
return &ExternalByteDataNativeFunction;
}
TEST_CASE(DartAPI_ExternalByteDataAccess) {
// TODO(asiva): Once we have getInt16LE and getInt16BE support use the
// appropriate getter instead of the host endian format used now.
const char* kScriptChars =
"import 'dart:typed_data';\n"
"class Expect {\n"
" static equals(a, b) {\n"
" if (a != b) {\n"
" throw 'not equal. expected: $a, got: $b';\n"
" }\n"
" }\n"
"}\n"
"ByteData createExternalByteData() native 'CreateExternalByteData';"
"ByteData main() {"
" var length = 16;"
" var a = createExternalByteData();"
" Expect.equals(length, a.lengthInBytes);"
" for (int i = 0; i < length; i+=2) {"
" Expect.equals(0x4241, a.getInt16(i, Endian.little));"
" }"
" for (int i = 0; i < length; i+=2) {"
" a.setInt8(i, 0x24);"
" a.setInt8(i + 1, 0x28);"
" }"
" for (int i = 0; i < length; i+=2) {"
" Expect.equals(0x2824, a.getInt16(i, Endian.little));"
" }"
" return a;"
"}\n";
// Create a test library and Load up a test script in it.
Dart_Handle lib = TestCase::LoadTestScript(kScriptChars, NULL);
Dart_Handle result =
Dart_SetNativeResolver(lib, &ExternalByteDataNativeResolver, NULL);
EXPECT_VALID(result);
// Invoke 'main' function.
result = Dart_Invoke(lib, NewString("main"), 0, NULL);
EXPECT_VALID(result);
for (intptr_t i = 0; i < kExtLength; i += 2) {
EXPECT_EQ(0x24, data[i]);
EXPECT_EQ(0x28, data[i + 1]);
}
}
static bool byte_data_finalizer_run = false;
void ByteDataFinalizer(void* isolate_data,
Dart_WeakPersistentHandle handle,
void* peer) {
ASSERT(!byte_data_finalizer_run);
free(peer);
byte_data_finalizer_run = true;
}
TEST_CASE(DartAPI_ExternalByteDataFinalizer) {
// Check finalizer associated with the underlying array instead of the
// wrapper.
const char* kScriptChars =
"var array;\n"
"extractAndSaveArray(byteData) {\n"
" array = byteData.buffer.asUint8List();\n"
"}\n"
"releaseArray() {\n"
" array = null;\n"
"}\n";
// Create a test library and Load up a test script in it.
Dart_Handle lib = TestCase::LoadTestScript(kScriptChars, NULL);
{
Dart_EnterScope();
const intptr_t kBufferSize = 100;
void* buffer = malloc(kBufferSize);
Dart_Handle byte_data = Dart_NewExternalTypedDataWithFinalizer(
Dart_TypedData_kByteData, buffer, kBufferSize, buffer, kBufferSize,
ByteDataFinalizer);
Dart_Handle result =
Dart_Invoke(lib, NewString("extractAndSaveArray"), 1, &byte_data);
EXPECT_VALID(result);
// ByteData wrapper is still reachable from the scoped handle.
EXPECT(!byte_data_finalizer_run);
// The ByteData wrapper is now unreachable, but the underlying
// ExternalUint8List is still alive.
Dart_ExitScope();
}
{
TransitionNativeToVM transition(Thread::Current());
Isolate::Current()->heap()->CollectAllGarbage();
}
EXPECT(!byte_data_finalizer_run);
Dart_Handle result = Dart_Invoke(lib, NewString("releaseArray"), 0, NULL);
EXPECT_VALID(result);
{
TransitionNativeToVM transition(Thread::Current());
Isolate::Current()->heap()->CollectAllGarbage();
}
EXPECT(byte_data_finalizer_run);
}
#ifndef PRODUCT
static const intptr_t kOptExtLength = 16;
static int8_t opt_data[kOptExtLength] = {
0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08,
0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0x10,
};
static void OptExternalByteDataNativeFunction(Dart_NativeArguments args) {
Dart_EnterScope();
Dart_Handle external_byte_data =
Dart_NewExternalTypedData(Dart_TypedData_kByteData, opt_data, 16);
EXPECT_VALID(external_byte_data);
EXPECT_EQ(Dart_TypedData_kByteData,
Dart_GetTypeOfTypedData(external_byte_data));
Dart_SetReturnValue(args, external_byte_data);
Dart_ExitScope();
}
static Dart_NativeFunction OptExternalByteDataNativeResolver(
Dart_Handle name,
int arg_count,
bool* auto_setup_scope) {
ASSERT(auto_setup_scope != NULL);
*auto_setup_scope = true;
return &OptExternalByteDataNativeFunction;
}
TEST_CASE(DartAPI_OptimizedExternalByteDataAccess) {
const char* kScriptChars =
"import 'dart:typed_data';\n"
"class Expect {\n"
" static equals(a, b) {\n"
" if (a != b) {\n"
" throw 'not equal. expected: $a, got: $b';\n"
" }\n"
" }\n"
"}\n"
"ByteData createExternalByteData() native 'CreateExternalByteData';"
"access(ByteData a) {"
" Expect.equals(0x04030201, a.getUint32(0, Endian.little));"
" Expect.equals(0x08070605, a.getUint32(4, Endian.little));"
" Expect.equals(0x0c0b0a09, a.getUint32(8, Endian.little));"
" Expect.equals(0x100f0e0d, a.getUint32(12, Endian.little));"
"}"
"ByteData main() {"
" var length = 16;"
" var a = createExternalByteData();"
" Expect.equals(length, a.lengthInBytes);"
" for (int i = 0; i < 20; i++) {"
" access(a);"
" }"
" return a;"
"}\n";
// Create a test library and Load up a test script in it.
Dart_Handle lib = TestCase::LoadTestScript(kScriptChars, NULL);
Dart_Handle result =
Dart_SetNativeResolver(lib, &OptExternalByteDataNativeResolver, NULL);
EXPECT_VALID(result);
// Invoke 'main' function.
int old_oct = FLAG_optimization_counter_threshold;
FLAG_optimization_counter_threshold = 5;
result = Dart_Invoke(lib, NewString("main"), 0, NULL);
EXPECT_VALID(result);
FLAG_optimization_counter_threshold = old_oct;
}
#endif // !PRODUCT
static void TestTypedDataDirectAccess() {
Dart_Handle str = Dart_NewStringFromCString("junk");
Dart_Handle byte_array = Dart_NewTypedData(Dart_TypedData_kUint8, 10);
EXPECT_VALID(byte_array);
Dart_Handle result;
result = Dart_TypedDataAcquireData(byte_array, NULL, NULL, NULL);
EXPECT_ERROR(result,
"Dart_TypedDataAcquireData expects argument 'type'"
" to be non-null.");
Dart_TypedData_Type type;
result = Dart_TypedDataAcquireData(byte_array, &type, NULL, NULL);
EXPECT_ERROR(result,
"Dart_TypedDataAcquireData expects argument 'data'"
" to be non-null.");
void* data;
result = Dart_TypedDataAcquireData(byte_array, &type, &data, NULL);
EXPECT_ERROR(result,
"Dart_TypedDataAcquireData expects argument 'len'"
" to be non-null.");
intptr_t len;
result = Dart_TypedDataAcquireData(Dart_Null(), &type, &data, &len);
EXPECT_ERROR(result,
"Dart_TypedDataAcquireData expects argument 'object'"
" to be non-null.");
result = Dart_TypedDataAcquireData(str, &type, &data, &len);
EXPECT_ERROR(result,
"Dart_TypedDataAcquireData expects argument 'object'"
" to be of type 'TypedData'.");
result = Dart_TypedDataReleaseData(Dart_Null());
EXPECT_ERROR(result,
"Dart_TypedDataReleaseData expects argument 'object'"
" to be non-null.");
result = Dart_TypedDataReleaseData(str);
EXPECT_ERROR(result,
"Dart_TypedDataReleaseData expects argument 'object'"
" to be of type 'TypedData'.");
}
TEST_CASE(DartAPI_TypedDataDirectAccessUnverified) {
FLAG_verify_acquired_data = false;
TestTypedDataDirectAccess();
}
TEST_CASE(DartAPI_TypedDataDirectAccessVerified) {
FLAG_verify_acquired_data = true;
TestTypedDataDirectAccess();
}
static void TestDirectAccess(Dart_Handle lib,
Dart_Handle array,
Dart_TypedData_Type expected_type,
bool is_external) {
Dart_Handle result;
// Invoke the dart function that sets initial values.
Dart_Handle dart_args[1];
dart_args[0] = array;
result = Dart_Invoke(lib, NewString("setMain"), 1, dart_args);
EXPECT_VALID(result);
// Now Get a direct access to this typed data object and check it's contents.
const int kLength = 10;
Dart_TypedData_Type type;
void* data;
intptr_t len;
result = Dart_TypedDataAcquireData(array, &type, &data, &len);
EXPECT_VALID(result);
EXPECT_EQ(expected_type, type);
EXPECT_EQ(kLength, len);
int8_t* dataP = reinterpret_cast<int8_t*>(data);
for (int i = 0; i < kLength; i++) {
EXPECT_EQ(i, dataP[i]);
}
if (!is_external) {
// Now try allocating a string with outstanding Acquires and it should
// return an error.
result = NewString("We expect an error here");
EXPECT_ERROR(result,
"Internal Dart data pointers have been acquired, "
"please release them using Dart_TypedDataReleaseData.");
}
// Now modify the values in the directly accessible array and then check
// it we see the changes back in dart.
for (int i = 0; i < kLength; i++) {
dataP[i] += 10;
}
// Release direct access to the typed data object.
result = Dart_TypedDataReleaseData(array);
EXPECT_VALID(result);
// Invoke the dart function in order to check the modified values.
result = Dart_Invoke(lib, NewString("testMain"), 1, dart_args);
EXPECT_VALID(result);
}
static void TestTypedDataDirectAccess1() {
const char* kScriptChars =
"import 'dart:typed_data';\n"
"class Expect {\n"
" static equals(a, b) {\n"
" if (a != b) {\n"
" throw new Exception('not equal. expected: $a, got: $b');\n"
" }\n"
" }\n"
"}\n"
"void setMain(var a) {"
" for (var i = 0; i < 10; i++) {"
" a[i] = i;"
" }"
"}\n"
"bool testMain(var list) {"
" for (var i = 0; i < 10; i++) {"
" Expect.equals((10 + i), list[i]);"
" }\n"
" return true;"
"}\n"
"List main() {"
" var a = new Int8List(10);"
" return a;"
"}\n";
// Create a test library and Load up a test script in it.
Dart_Handle lib = TestCase::LoadTestScript(kScriptChars, NULL);
// Test with an regular typed data object.
Dart_Handle list_access_test_obj;
list_access_test_obj = Dart_Invoke(lib, NewString("main"), 0, NULL);
EXPECT_VALID(list_access_test_obj);
TestDirectAccess(lib, list_access_test_obj, Dart_TypedData_kInt8, false);
// Test with an external typed data object.
uint8_t data[] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
intptr_t data_length = ARRAY_SIZE(data);
Dart_Handle ext_list_access_test_obj;
ext_list_access_test_obj =
Dart_NewExternalTypedData(Dart_TypedData_kUint8, data, data_length);
EXPECT_VALID(ext_list_access_test_obj);
TestDirectAccess(lib, ext_list_access_test_obj, Dart_TypedData_kUint8, true);
}
TEST_CASE(DartAPI_TypedDataDirectAccess1Unverified) {
FLAG_verify_acquired_data = false;
TestTypedDataDirectAccess1();
}
TEST_CASE(DartAPI_TypedDataDirectAccess1Verified) {
FLAG_verify_acquired_data = true;
TestTypedDataDirectAccess1();
}
static void TestTypedDataViewDirectAccess() {
const char* kScriptChars =
"import 'dart:typed_data';\n"
"class Expect {\n"
" static equals(a, b) {\n"
" if (a != b) {\n"
" throw 'not equal. expected: $a, got: $b';\n"
" }\n"
" }\n"
"}\n"
"void setMain(var list) {"
" Expect.equals(10, list.length);"
" for (var i = 0; i < 10; i++) {"
" list[i] = i;"
" }"
"}\n"
"bool testMain(var list) {"
" Expect.equals(10, list.length);"
" for (var i = 0; i < 10; i++) {"
" Expect.equals((10 + i), list[i]);"
" }"
" return true;"
"}\n"
"List main() {"
" var a = new Int8List(100);"
" var view = new Int8List.view(a.buffer, 50, 10);"
" return view;"
"}\n";
// Create a test library and Load up a test script in it.
Dart_Handle lib = TestCase::LoadTestScript(kScriptChars, NULL);
// Test with a typed data view object.
Dart_Handle list_access_test_obj;
list_access_test_obj = Dart_Invoke(lib, NewString("main"), 0, NULL);
EXPECT_VALID(list_access_test_obj);
TestDirectAccess(lib, list_access_test_obj, Dart_TypedData_kInt8, false);
}
TEST_CASE(DartAPI_TypedDataViewDirectAccessUnverified) {
FLAG_verify_acquired_data = false;
TestTypedDataViewDirectAccess();
}
TEST_CASE(DartAPI_TypedDataViewDirectAccessVerified) {
FLAG_verify_acquired_data = true;
TestTypedDataViewDirectAccess();
}
static void TestByteDataDirectAccess() {
const char* kScriptChars =
"import 'dart:typed_data';\n"
"class Expect {\n"
" static equals(a, b) {\n"
" if (a != b) {\n"
" throw 'not equal. expected: $a, got: $b';\n"
" }\n"
" }\n"
"}\n"
"void setMain(var list) {"
" Expect.equals(10, list.length);"
" for (var i = 0; i < 10; i++) {"
" list.setInt8(i, i);"
" }"
"}\n"
"bool testMain(var list) {"
" Expect.equals(10, list.length);"
" for (var i = 0; i < 10; i++) {"
" Expect.equals((10 + i), list.getInt8(i));"
" }"
" return true;"
"}\n"
"ByteData main() {"
" var a = new Int8List(100);"
" var view = new ByteData.view(a.buffer, 50, 10);"
" return view;"
"}\n";
// Create a test library and Load up a test script in it.
Dart_Handle lib = TestCase::LoadTestScript(kScriptChars, NULL);
// Test with a typed data view object.
Dart_Handle list_access_test_obj;
list_access_test_obj = Dart_Invoke(lib, NewString("main"), 0, NULL);
EXPECT_VALID(list_access_test_obj);
TestDirectAccess(lib, list_access_test_obj, Dart_TypedData_kByteData, false);
}
TEST_CASE(DartAPI_ByteDataDirectAccessUnverified) {
FLAG_verify_acquired_data = false;
TestByteDataDirectAccess();
}
TEST_CASE(DartAPI_ByteDataDirectAccessVerified) {
FLAG_verify_acquired_data = true;
TestByteDataDirectAccess();
}
static void ExternalTypedDataAccessTests(Dart_Handle obj,
Dart_TypedData_Type expected_type,
uint8_t data[],
intptr_t data_length) {
EXPECT_VALID(obj);
EXPECT_EQ(expected_type, Dart_GetTypeOfExternalTypedData(obj));
EXPECT(Dart_IsList(obj));
void* raw_data = NULL;
intptr_t len;
Dart_TypedData_Type type;
EXPECT_VALID(Dart_TypedDataAcquireData(obj, &type, &raw_data, &len));
EXPECT(raw_data == data);
EXPECT_EQ(data_length, len);
EXPECT_EQ(expected_type, type);
EXPECT_VALID(Dart_TypedDataReleaseData(obj));
intptr_t list_length = 0;
EXPECT_VALID(Dart_ListLength(obj, &list_length));
EXPECT_EQ(data_length, list_length);
// Load and check values from underlying array and API.
for (intptr_t i = 0; i < list_length; ++i) {
EXPECT_EQ(11 * i, data[i]);
Dart_Handle elt = Dart_ListGetAt(obj, i);
EXPECT_VALID(elt);
int64_t value = 0;
EXPECT_VALID(Dart_IntegerToInt64(elt, &value));
EXPECT_EQ(data[i], value);
}
// Write values through the underlying array.
for (intptr_t i = 0; i < data_length; ++i) {
data[i] *= 2;
}
// Read them back through the API.
for (intptr_t i = 0; i < list_length; ++i) {
Dart_Handle elt = Dart_ListGetAt(obj, i);
EXPECT_VALID(elt);
int64_t value = 0;
EXPECT_VALID(Dart_IntegerToInt64(elt, &value));
EXPECT_EQ(22 * i, value);
}
// Write values through the API.
for (intptr_t i = 0; i < list_length; ++i) {
Dart_Handle value = Dart_NewInteger(33 * i);
EXPECT_VALID(value);
EXPECT_VALID(Dart_ListSetAt(obj, i, value));
}
// Read them back through the underlying array.
for (intptr_t i = 0; i < data_length; ++i) {
EXPECT_EQ(33 * i, data[i]);
}
}
TEST_CASE(DartAPI_ExternalTypedDataAccess) {
uint8_t data[] = {0, 11, 22, 33, 44, 55, 66, 77};
intptr_t data_length = ARRAY_SIZE(data);
Dart_Handle obj =
Dart_NewExternalTypedData(Dart_TypedData_kUint8, data, data_length);
ExternalTypedDataAccessTests(obj, Dart_TypedData_kUint8, data, data_length);
}
TEST_CASE(DartAPI_ExternalClampedTypedDataAccess) {
uint8_t data[] = {0, 11, 22, 33, 44, 55, 66, 77};
intptr_t data_length = ARRAY_SIZE(data);
Dart_Handle obj = Dart_NewExternalTypedData(Dart_TypedData_kUint8Clamped,
data, data_length);
ExternalTypedDataAccessTests(obj, Dart_TypedData_kUint8Clamped, data,
data_length);
}
TEST_CASE(DartAPI_ExternalUint8ClampedArrayAccess) {
const char* kScriptChars =
"testClamped(List a) {\n"
" if (a[1] != 11) return false;\n"
" a[1] = 3;\n"
" if (a[1] != 3) return false;\n"
" a[1] = -12;\n"
" if (a[1] != 0) return false;\n"
" a[1] = 1200;\n"
" if (a[1] != 255) return false;\n"
" return true;\n"
"}\n";
uint8_t data[] = {0, 11, 22, 33, 44, 55, 66, 77};
intptr_t data_length = ARRAY_SIZE(data);
Dart_Handle obj = Dart_NewExternalTypedData(Dart_TypedData_kUint8Clamped,
data, data_length);
EXPECT_VALID(obj);
Dart_Handle result;
// Create a test library and Load up a test script in it.
Dart_Handle lib = TestCase::LoadTestScript(kScriptChars, NULL);
Dart_Handle args[1];
args[0] = obj;
result = Dart_Invoke(lib, NewString("testClamped"), 1, args);
// Check that result is true.
EXPECT_VALID(result);
EXPECT(Dart_IsBoolean(result));
bool value = false;