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// Copyright (c) 2013, 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 "vm/debugger.h"
#include "vm/unit_test.h"
namespace dart {
// Search for the formatted string in buffer.
//
// TODO(turnidge): This function obscures the line number of failing
// EXPECTs. Rework this.
static void ExpectSubstringF(const char* buff, const char* fmt, ...) {
va_list args;
va_start(args, fmt);
intptr_t len = OS::VSNPrint(NULL, 0, fmt, args);
va_end(args);
char* buffer = Thread::Current()->zone()->Alloc<char>(len + 1);
va_list args2;
va_start(args2, fmt);
OS::VSNPrint(buffer, (len + 1), fmt, args2);
va_end(args2);
EXPECT_SUBSTRING(buffer, buff);
}
TEST_CASE(Debugger_PrintBreakpointsToJSONArray) {
const char* kScriptChars =
"main() {\n"
" var x = new StringBuffer();\n"
" x.add('won');\n"
" x.add('too');\n"
" return x.toString();\n"
"}\n";
Dart_Handle lib = TestCase::LoadTestScript(kScriptChars, NULL);
EXPECT_VALID(lib);
Library& vmlib = Library::Handle();
vmlib ^= Api::UnwrapHandle(lib);
EXPECT(!vmlib.IsNull());
Isolate* isolate = Isolate::Current();
Debugger* debugger = isolate->debugger();
const String& url = String::Handle(String::New(TestCase::url()));
// Empty case.
{
JSONStream js;
{
JSONArray jsarr(&js);
debugger->PrintBreakpointsToJSONArray(&jsarr);
}
EXPECT_STREQ("[]", js.ToCString());
}
// Test with a couple of breakpoints.
debugger->SetBreakpointAtLine(url, 2);
debugger->SetBreakpointAtLine(url, 3);
{
JSONStream js;
{
JSONArray jsarr(&js);
debugger->PrintBreakpointsToJSONArray(&jsarr);
}
ExpectSubstringF(
js.ToCString(),
"[{\"type\":\"Breakpoint\",\"fixedId\":true,\"id\":\"breakpoints\\/2\","
"\"breakpointNumber\":2,\"resolved\":false,"
"\"location\":{\"type\":\"UnresolvedSourceLocation\","
"\"script\":{\"type\":\"@Script\",\"fixedId\":true,"
"\"id\":\"libraries\\/%" Pd "\\/scripts\\/test-lib\","
"\"uri\":\"test-lib\","
"\"_kind\":\"script\"},\"line\":3}},"
"{\"type\":\"Breakpoint\",\"fixedId\":true,\"id\":\"breakpoints\\/1\","
"\"breakpointNumber\":1,\"resolved\":false,"
"\"location\":{\"type\":\"UnresolvedSourceLocation\","
"\"script\":{\"type\":\"@Script\",\"fixedId\":true,"
"\"id\":\"libraries\\/%" Pd "\\/scripts\\/test-lib\","
"\"uri\":\"test-lib\","
"\"_kind\":\"script\"},\"line\":2}}]",
vmlib.index(), vmlib.index());
}
}
static bool saw_paused_event = false;
static void InspectPausedEvent(Dart_IsolateId isolate_id,
intptr_t bp_id,
const Dart_CodeLocation& loc) {
Isolate* isolate = Isolate::Current();
Debugger* debugger = isolate->debugger();
// The debugger knows that it is paused, and why.
EXPECT(debugger->IsPaused());
const DebuggerEvent* event = debugger->PauseEvent();
EXPECT(event != NULL);
EXPECT(event->type() == DebuggerEvent::kBreakpointReached);
saw_paused_event = true;
}
TEST_CASE(Debugger_PauseEvent) {
const char* kScriptChars =
"main() {\n"
" var x = new StringBuffer();\n"
" x.write('won');\n"
" x.write('too');\n"
" return x.toString();\n"
"}\n";
Dart_Handle lib = TestCase::LoadTestScript(kScriptChars, NULL);
EXPECT_VALID(lib);
Isolate* isolate = Isolate::Current();
Debugger* debugger = isolate->debugger();
const String& url = String::Handle(String::New(TestCase::url()));
// No pause event.
EXPECT(!debugger->IsPaused());
EXPECT(debugger->PauseEvent() == NULL);
saw_paused_event = false;
Dart_SetPausedEventHandler(InspectPausedEvent);
// Set a breakpoint and run.
debugger->SetBreakpointAtLine(url, 2);
Dart_Handle result = Dart_Invoke(lib, NewString("main"), 0, NULL);
EXPECT_VALID(result);
EXPECT(Dart_IsString(result));
// We ran the code in InspectPausedEvent.
EXPECT(saw_paused_event);
}
} // namespace dart