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// Copyright (c) 2011, 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/native_entry_test.h"
#include "vm/code_patcher.h"
#include "vm/compiler/assembler/assembler.h"
#include "vm/dart_api_impl.h"
#include "vm/native_entry.h"
#include "vm/object.h"
#include "vm/stack_frame.h"
#include "vm/stub_code.h"
#include "vm/unit_test.h"
namespace dart {
// A native call for test purposes.
// Arg0: a smi.
// Arg1: a smi.
// Result: a smi representing arg0 - arg1.
void TestSmiSub(Dart_NativeArguments args) {
Dart_Handle left = Dart_GetNativeArgument(args, 0);
Dart_Handle right = Dart_GetNativeArgument(args, 1);
int64_t left_value = -1;
int64_t right_value = -1;
EXPECT_VALID(Dart_IntegerToInt64(left, &left_value));
EXPECT_VALID(Dart_IntegerToInt64(right, &right_value));
// Ignoring overflow in the calculation below.
int64_t result = left_value - right_value;
Dart_SetReturnValue(args, Dart_NewInteger(result));
}
// A native call for test purposes.
// Arg0-4: 5 smis.
// Result: a smi representing the sum of all arguments.
void TestSmiSum(Dart_NativeArguments args) {
int64_t result = 0;
int arg_count = Dart_GetNativeArgumentCount(args);
for (int i = 0; i < arg_count; i++) {
Dart_Handle arg = Dart_GetNativeArgument(args, i);
int64_t arg_value = -1;
EXPECT_VALID(Dart_IntegerToInt64(arg, &arg_value));
// Ignoring overflow in the addition below.
result += arg_value;
}
Dart_SetReturnValue(args, Dart_NewInteger(result));
}
// Test for accepting null arguments in native function.
// Arg0-4: 5 smis or null.
// Result: a smi representing the sum of all non-null arguments.
void TestNonNullSmiSum(Dart_NativeArguments args) {
int64_t result = 0;
int arg_count = Dart_GetNativeArgumentCount(args);
// Test the lower level macro GET_NATIVE_ARGUMENT.
NativeArguments* arguments = reinterpret_cast<NativeArguments*>(args);
Zone* zone = Thread::Current()->zone(); // Used by GET_NATIVE_ARGUMENT.
for (int i = 0; i < arg_count; i++) {
Dart_Handle arg = Dart_GetNativeArgument(args, i);
GET_NATIVE_ARGUMENT(Integer, argument, arguments->NativeArgAt(i));
EXPECT(argument.IsInteger()); // May be null.
EXPECT_EQ(Api::UnwrapHandle(arg), argument.ptr()); // May be null.
int64_t arg_value = -1;
if (argument.IsNull()) {
EXPECT_ERROR(Dart_IntegerToInt64(arg, &arg_value),
"Dart_IntegerToInt64 expects argument 'integer' "
"to be non-null.");
} else {
EXPECT_VALID(Dart_IntegerToInt64(arg, &arg_value));
EXPECT_EQ(arg_value, argument.Value());
// Ignoring overflow in the addition below.
result += arg_value;
}
}
Dart_SetReturnValue(args, Dart_NewInteger(result));
}
} // namespace dart