| // Copyright 2015 The PDFium Authors |
| // 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/external_engine_embedder_test.h" |
| #include "testing/gtest/include/gtest/gtest.h" |
| #include "v8/include/v8-context.h" |
| #include "v8/include/v8-isolate.h" |
| #include "v8/include/v8-local-handle.h" |
| #include "v8/include/v8-object.h" |
| #include "v8/include/v8-value.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 ExternalEngineEmbedderTest {}; |
| |
| 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, "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()); |
| |
| std::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()); |
| { |
| std::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()); |
| std::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()); |
| std::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()); |
| |
| std::optional<IJS_Runtime::JS_Error> err = |
| engine()->Execute(L"functoon(x) { return x+1; }"); |
| EXPECT_TRUE(err); |
| EXPECT_STREQ(L"SyntaxError: Unexpected token '{'", err->exception.c_str()); |
| 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()); |
| |
| std::optional<IJS_Runtime::JS_Error> err = |
| engine()->Execute(L"let a = 3;\nundefined.colour"); |
| EXPECT_TRUE(err); |
| EXPECT_EQ( |
| L"TypeError: Cannot read properties of undefined (reading 'colour')", |
| err->exception); |
| EXPECT_EQ(2, err->line); |
| EXPECT_EQ(10, err->column); |
| } |