cshapiro@google.com
49f6f9f36d
Review URL: https://codereview.chromium.org//11428067 git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@16199 260f80e4-7a28-3924-810f-c04153c831b5
105 lines
2.9 KiB
C++
105 lines
2.9 KiB
C++
// Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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#include <iostream>
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#include <sstream>
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#include <string>
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#include "vm/dart_api_impl.h"
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#include "vm/growable_array.h"
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#include "vm/heap.h"
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#include "vm/heap_trace.h"
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#include "vm/unit_test.h"
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namespace dart {
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// only ia32 can run heap trace tests.
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#if defined(TARGET_ARCH_IA32)
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static std::stringstream* global_stream;
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static void* OpenTraceFile(const char* name) {
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ASSERT(global_stream == NULL);
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global_stream = new std::stringstream;
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return reinterpret_cast<void*>(global_stream);
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}
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static void WriteToTraceFile(const void* data, intptr_t length, void* stream) {
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ASSERT(stream == global_stream);
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std::stringstream* sstream = reinterpret_cast<std::stringstream*>(stream);
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sstream->write(reinterpret_cast<const char*>(data), length);
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}
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static void CloseTraceFile(void *stream) {
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ASSERT(stream == global_stream);
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global_stream = NULL;
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delete reinterpret_cast<std::stringstream*>(stream);
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}
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bool DoesAllocationRecordExist(uword addr, const std::string& trace_string) {
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const char* raw_trace = trace_string.c_str();
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for (size_t i = 0; i < trace_string.length(); ++i) {
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if ((raw_trace[i] == 'A') && (i + 4 < trace_string.length())) {
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const uword candidate_address =
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*(reinterpret_cast<const uword*>(raw_trace + i + 1));
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if (candidate_address == addr) {
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return true;
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}
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}
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}
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return false;
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}
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bool DoesSweepRecordExist(uword addr, const std::string& trace_string) {
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const char* raw_trace = trace_string.c_str();
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for (size_t i = 0; i < trace_string.length(); ++i) {
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if ((raw_trace[i] == 'S') && (i + 4 < trace_string.length())) {
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const uword candidate_address =
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*(reinterpret_cast<const uword*>(raw_trace + i + 1));
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if (candidate_address == addr) {
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return true;
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}
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}
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}
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return false;
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}
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TEST_CASE(GCTraceAllocate) {
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HeapTrace::InitOnce(OpenTraceFile,
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WriteToTraceFile,
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CloseTraceFile);
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Isolate* isolate = Isolate::Current();
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isolate->heap()->trace()->Init(isolate);
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const int kArrayLen = 5;
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RawArray* raw_arr = Array::New(kArrayLen);
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uword addr = RawObject::ToAddr(raw_arr);
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ASSERT(DoesAllocationRecordExist(addr, global_stream->str()));
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}
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TEST_CASE(GCTraceSweep) {
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HeapTrace::InitOnce(OpenTraceFile,
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WriteToTraceFile,
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CloseTraceFile);
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Isolate* isolate = Isolate::Current();
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isolate->heap()->trace()->Init(isolate);
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const int kArrayLen = 5;
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RawArray* raw_arr = Array::New(kArrayLen, Heap::kOld);
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uword addr = RawObject::ToAddr(raw_arr);
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Isolate::Current()->heap()->CollectGarbage(Heap::kOld);
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DoesSweepRecordExist(addr, global_stream->str());
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}
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#endif
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} // namespace dart
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