// Copyright 2013 the V8 project authors. All rights reserved.
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
//     * Redistributions of source code must retain the above copyright
//       notice, this list of conditions and the following disclaimer.
//     * Redistributions in binary form must reproduce the above
//       copyright notice, this list of conditions and the following
//       disclaimer in the documentation and/or other materials provided
//       with the distribution.
//     * Neither the name of Google Inc. nor the names of its
//       contributors may be used to endorse or promote products derived
//       from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// Tests of profiles generator and utilities.

#include "test/cctest/profiler-extension.h"

#include "include/v8-template.h"
#include "test/cctest/cctest.h"

namespace v8 {
namespace internal {

v8::CpuProfiler* ProfilerExtension::profiler_ = nullptr;
v8::CpuProfile* ProfilerExtension::last_profile = nullptr;
const char* ProfilerExtension::kSource =
    "native function startProfiling();"
    "native function stopProfiling();"
    "native function collectSample();";

v8::Local<v8::FunctionTemplate> ProfilerExtension::GetNativeFunctionTemplate(
    v8::Isolate* isolate, v8::Local<v8::String> name) {
  if (name->StrictEquals(v8_str(isolate, "startProfiling"))) {
    return v8::FunctionTemplate::New(isolate,
                                     ProfilerExtension::StartProfiling);
  }
  if (name->StrictEquals(v8_str(isolate, "stopProfiling"))) {
    return v8::FunctionTemplate::New(isolate, ProfilerExtension::StopProfiling);
  }
  if (name->StrictEquals(v8_str(isolate, "collectSample"))) {
    return v8::FunctionTemplate::New(isolate, ProfilerExtension::CollectSample);
  }
  UNREACHABLE();
}

void ProfilerExtension::StartProfiling(
    const v8::FunctionCallbackInfo<v8::Value>& info) {
  CHECK(i::ValidateCallbackInfo(info));
  last_profile = nullptr;
  profiler_->StartProfiling(info.Length() > 0
                                ? info[0].As<v8::String>()
                                : v8::String::Empty(info.GetIsolate()));
}

void ProfilerExtension::StopProfiling(
    const v8::FunctionCallbackInfo<v8::Value>& info) {
  CHECK(i::ValidateCallbackInfo(info));
  last_profile = profiler_->StopProfiling(
      info.Length() > 0 ? info[0].As<v8::String>()
                        : v8::String::Empty(info.GetIsolate()));
}

void ProfilerExtension::CollectSample(
    const v8::FunctionCallbackInfo<v8::Value>& info) {
  CHECK(i::ValidateCallbackInfo(info));
  v8::CpuProfiler::CollectSample(info.GetIsolate());
}

}  // namespace internal
}  // namespace v8