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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 "fxjs/cfxjs_engine.h"
#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 CFXJSEngineEmbedderTest : public JSEmbedderTest {
public:
Optional<IJS_Runtime::JS_Error> ExecuteInCurrentContext(
const WideString& script) {
auto* current_engine =
CFXJS_Engine::EngineFromIsolateCurrentContext(isolate());
return current_engine->Execute(script);
}
void CheckAssignmentInCurrentContext(double expected) {
auto* current_engine =
CFXJS_Engine::EngineFromIsolateCurrentContext(isolate());
v8::Local<v8::Object> This = current_engine->GetThisObj();
v8::Local<v8::Value> fred =
current_engine->GetObjectProperty(This, L"fred");
EXPECT_TRUE(fred->IsNumber());
EXPECT_EQ(expected, current_engine->ToDouble(fred));
}
};
TEST_F(CFXJSEngineEmbedderTest, Getters) {
v8::Isolate::Scope isolate_scope(isolate());
v8::HandleScope handle_scope(isolate());
v8::Context::Scope context_scope(GetV8Context());
Optional<IJS_Runtime::JS_Error> err =
ExecuteInCurrentContext(WideString(kScript1));
EXPECT_FALSE(err);
CheckAssignmentInCurrentContext(kExpected1);
}
TEST_F(CFXJSEngineEmbedderTest, 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::Local<v8::Context> context1 = engine1.GetV8Context();
v8::Local<v8::Context> context2 = engine2.GetV8Context();
v8::Context::Scope context_scope(GetV8Context());
Optional<IJS_Runtime::JS_Error> err =
ExecuteInCurrentContext(WideString(kScript0));
EXPECT_FALSE(err);
CheckAssignmentInCurrentContext(kExpected0);
{
v8::Context::Scope context_scope1(context1);
Optional<IJS_Runtime::JS_Error> err =
ExecuteInCurrentContext(WideString(kScript1));
EXPECT_FALSE(err);
CheckAssignmentInCurrentContext(kExpected1);
}
{
v8::Context::Scope context_scope2(context2);
Optional<IJS_Runtime::JS_Error> err =
ExecuteInCurrentContext(WideString(kScript2));
EXPECT_FALSE(err);
CheckAssignmentInCurrentContext(kExpected2);
}
CheckAssignmentInCurrentContext(kExpected0);
{
v8::Context::Scope context_scope1(context1);
CheckAssignmentInCurrentContext(kExpected1);
{
v8::Context::Scope context_scope2(context2);
CheckAssignmentInCurrentContext(kExpected2);
}
CheckAssignmentInCurrentContext(kExpected1);
}
{
v8::Context::Scope context_scope2(context2);
CheckAssignmentInCurrentContext(kExpected2);
{
v8::Context::Scope context_scope1(context1);
CheckAssignmentInCurrentContext(kExpected1);
}
CheckAssignmentInCurrentContext(kExpected2);
}
CheckAssignmentInCurrentContext(kExpected0);
engine1.ReleaseEngine();
engine2.ReleaseEngine();
}
TEST_F(CFXJSEngineEmbedderTest, JSCompileError) {
v8::Isolate::Scope isolate_scope(isolate());
v8::HandleScope handle_scope(isolate());
v8::Context::Scope context_scope(GetV8Context());
Optional<IJS_Runtime::JS_Error> err =
ExecuteInCurrentContext(L"functoon(x) { return x+1; }");
EXPECT_TRUE(err);
EXPECT_EQ(L"SyntaxError: Unexpected token {", err->exception);
EXPECT_EQ(1, err->line);
EXPECT_EQ(12, err->column);
}
TEST_F(CFXJSEngineEmbedderTest, JSRuntimeError) {
v8::Isolate::Scope isolate_scope(isolate());
v8::HandleScope handle_scope(isolate());
v8::Context::Scope context_scope(GetV8Context());
Optional<IJS_Runtime::JS_Error> err =
ExecuteInCurrentContext(L"let a = 3;\nundefined.colour");
EXPECT_TRUE(err);
EXPECT_EQ(L"TypeError: Cannot read property 'colour' of undefined",
err->exception);
EXPECT_EQ(2, err->line);
EXPECT_EQ(10, err->column);
}
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