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path: root/fxjs/fxjs_v8_embeddertest.cpp
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// Copyright 2015 PDFium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "testing/gtest/include/gtest/gtest.h"
#include "testing/js_embedder_test.h"

namespace {

const double kExpected0 = 6.0;
const double kExpected1 = 7.0;
const double kExpected2 = 8.0;

const wchar_t kScript0[] = L"fred = 6";
const wchar_t kScript1[] = L"fred = 7";
const wchar_t kScript2[] = L"fred = 8";

}  // namespace

class FXJSV8EmbedderTest : public JSEmbedderTest {
 public:
  void ExecuteInCurrentContext(const CFX_WideString& script) {
    FXJSErr error;
    int sts = engine()->Execute(script, &error);
    EXPECT_EQ(0, sts);
  }
  void CheckAssignmentInCurrentContext(double expected) {
    v8::Local<v8::Object> This = engine()->GetThisObj();
    v8::Local<v8::Value> fred = engine()->GetObjectProperty(This, L"fred");
    EXPECT_TRUE(fred->IsNumber());
    EXPECT_EQ(expected, engine()->ToNumber(fred));
  }
};

TEST_F(FXJSV8EmbedderTest, Getters) {
  v8::Isolate::Scope isolate_scope(isolate());
  v8::HandleScope handle_scope(isolate());
  v8::Context::Scope context_scope(GetV8Context());

  ExecuteInCurrentContext(CFX_WideString(kScript1));
  CheckAssignmentInCurrentContext(kExpected1);
}

TEST_F(FXJSV8EmbedderTest, MultipleEngines) {
  v8::Isolate::Scope isolate_scope(isolate());
  v8::HandleScope handle_scope(isolate());

  CFXJS_Engine engine1(isolate());
  engine1.InitializeEngine();

  CFXJS_Engine engine2(isolate());
  engine2.InitializeEngine();

  v8::Context::Scope context_scope(GetV8Context());
  ExecuteInCurrentContext(CFX_WideString(kScript0));
  CheckAssignmentInCurrentContext(kExpected0);

  {
    v8::Local<v8::Context> context1 = engine1.NewLocalContext();
    v8::Context::Scope context_scope1(context1);
    ExecuteInCurrentContext(CFX_WideString(kScript1));
    CheckAssignmentInCurrentContext(kExpected1);
  }

  engine1.ReleaseEngine();

  {
    v8::Local<v8::Context> context2 = engine2.NewLocalContext();
    v8::Context::Scope context_scope2(context2);
    ExecuteInCurrentContext(CFX_WideString(kScript2));
    CheckAssignmentInCurrentContext(kExpected2);
  }

  engine2.ReleaseEngine();
  CheckAssignmentInCurrentContext(kExpected0);
}