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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
using CFXJSEngineEmbedderTest = JSEmbedderTest;
void CheckAssignmentInEngineContext(CFXJS_Engine* current_engine,
double expected) {
v8::Context::Scope context_scope(current_engine->GetV8Context());
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 = engine()->Execute(WideString(kScript1));
EXPECT_FALSE(err);
CheckAssignmentInEngineContext(engine(), 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::Context::Scope context_scope(GetV8Context());
{
Optional<IJS_Runtime::JS_Error> err =
engine()->Execute(WideString(kScript0));
EXPECT_FALSE(err);
CheckAssignmentInEngineContext(engine(), kExpected0);
}
{
// engine1 executing in engine1's context doesn't affect main.
v8::Context::Scope context_scope1(engine1.GetV8Context());
Optional<IJS_Runtime::JS_Error> err = engine1.Execute(WideString(kScript1));
EXPECT_FALSE(err);
CheckAssignmentInEngineContext(engine(), kExpected0);
CheckAssignmentInEngineContext(&engine1, kExpected1);
}
{
// engine1 executing in engine2's context doesn't affect engine1.
v8::Context::Scope context_scope2(engine2.GetV8Context());
Optional<IJS_Runtime::JS_Error> err = engine1.Execute(WideString(kScript2));
EXPECT_FALSE(err);
CheckAssignmentInEngineContext(engine(), kExpected0);
CheckAssignmentInEngineContext(&engine1, kExpected1);
CheckAssignmentInEngineContext(&engine2, kExpected2);
}
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 =
engine()->Execute(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 =
engine()->Execute(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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