Revision: 4767
Author: [email protected]
Date: Tue Jun 1 06:35:44 2010
Log: started adding test
http://code.google.com/p/v8/source/detail?r=4767
Modified:
/branches/bleeding_edge/test/cctest/test-profile-generator.cc
=======================================
--- /branches/bleeding_edge/test/cctest/test-profile-generator.cc Tue May
18 07:19:33 2010
+++ /branches/bleeding_edge/test/cctest/test-profile-generator.cc Tue Jun
1 06:35:44 2010
@@ -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;
@@ -667,5 +669,80 @@
// (1.0 + 0.5 + 0.5) / 3
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
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