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started adding test

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git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@4767 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
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mikhail.naganov@gmail.com 2010-06-01 13:35:44 +00:00
parent c48b60d4a3
commit d32c918fb4
1 changed files with 77 additions and 0 deletions
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77
test/cctest/test-profile-generator.cc
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@ -7,12 +7,14 @@
#include "v8.h"
#include "profile-generator-inl.h"
#include "cctest.h"
#include "../include/v8-profiler.h"
namespace i = v8::internal;
using i::CodeEntry;
using i::CodeMap;
using i::CpuProfile;
using i::CpuProfiler;
using i::CpuProfilesCollection;
using i::ProfileNode;
using i::ProfileTree;
@ -668,4 +670,79 @@ TEST(SampleRateCalculator) {
CHECK_EQ(kSamplingIntervalMs * 0.66666, calc3.ticks_per_ms());
}
// --- P r o f i l e r E x t e n s i o n ---
class ProfilerExtension : public v8::Extension {
public:
ProfilerExtension() : v8::Extension("v8/profiler", kSource) { }
virtual v8::Handle<v8::FunctionTemplate> GetNativeFunction(
v8::Handle<v8::String> name);
static v8::Handle<v8::Value> StartProfiling(const v8::Arguments& args);
static v8::Handle<v8::Value> StopProfiling(const v8::Arguments& args);
private:
static const char* kSource;
};
const char* ProfilerExtension::kSource =
"native function startProfiling();"
"native function stopProfiling();";
v8::Handle<v8::FunctionTemplate> ProfilerExtension::GetNativeFunction(
v8::Handle<v8::String> name) {
if (name->Equals(v8::String::New("startProfiling"))) {
return v8::FunctionTemplate::New(ProfilerExtension::StartProfiling);
} else if (name->Equals(v8::String::New("stopProfiling"))) {
return v8::FunctionTemplate::New(ProfilerExtension::StopProfiling);
} else {
CHECK(false);
return v8::Handle<v8::FunctionTemplate>();
}
}
v8::Handle<v8::Value> ProfilerExtension::StartProfiling(const v8::Arguments& args) {
if (args.Length() > 0)
v8::CpuProfiler::StartProfiling(args[0].As<v8::String>());
else
v8::CpuProfiler::StartProfiling(v8::String::New(""));
return v8::Undefined();
}
v8::Handle<v8::Value> ProfilerExtension::StopProfiling(const v8::Arguments& args) {
if (args.Length() > 0)
v8::CpuProfiler::StopProfiling(args[0].As<v8::String>());
else
v8::CpuProfiler::StopProfiling(v8::String::New(""));
return v8::Undefined();
}
static ProfilerExtension kProfilerExtension;
v8::DeclareExtension kProfilerExtensionDeclaration(&kProfilerExtension);
static v8::Persistent<v8::Context> env;
TEST(RecordStackTraceAtStartProfiling) {
if (env.IsEmpty()) {
v8::HandleScope scope;
const char* extensions[] = { "v8/profiler" };
v8::ExtensionConfiguration config(1, extensions);
env = v8::Context::New(&config);
}
v8::HandleScope scope;
env->Enter();
CHECK_EQ(0, CpuProfiler::GetProfilesCount());
CompileRun(
"function c() { startProfiling(); }\n"
"function b() { c(); }\n"
"function a() { b(); }\n"
"a();\n"
"stopProfiling();"
);
CHECK_EQ(1, CpuProfiler::GetProfilesCount());
}
#endif // ENABLE_LOGGING_AND_PROFILING