1 // Copyright 2015 PDFium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4
5 #include "fxjs/cfxjs_engine.h"
6
7 #include "testing/gtest/include/gtest/gtest.h"
8 #include "testing/js_embedder_test.h"
9
10 namespace {
11
12 const double kExpected0 = 6.0;
13 const double kExpected1 = 7.0;
14 const double kExpected2 = 8.0;
15
16 const wchar_t kScript0[] = L"fred = 6";
17 const wchar_t kScript1[] = L"fred = 7";
18 const wchar_t kScript2[] = L"fred = 8";
19
20 } // namespace
21
22 using CFXJSEngineEmbedderTest = JSEmbedderTest;
23
CheckAssignmentInEngineContext(CFXJS_Engine * current_engine,double expected)24 void CheckAssignmentInEngineContext(CFXJS_Engine* current_engine,
25 double expected) {
26 v8::Context::Scope context_scope(current_engine->GetV8Context());
27 v8::Local<v8::Object> This = current_engine->GetThisObj();
28 v8::Local<v8::Value> fred = current_engine->GetObjectProperty(This, "fred");
29 EXPECT_TRUE(fred->IsNumber());
30 EXPECT_EQ(expected, current_engine->ToDouble(fred));
31 }
32
TEST_F(CFXJSEngineEmbedderTest,Getters)33 TEST_F(CFXJSEngineEmbedderTest, Getters) {
34 v8::Isolate::Scope isolate_scope(isolate());
35 v8::HandleScope handle_scope(isolate());
36 v8::Context::Scope context_scope(GetV8Context());
37
38 Optional<IJS_Runtime::JS_Error> err = engine()->Execute(WideString(kScript1));
39 EXPECT_FALSE(err);
40 CheckAssignmentInEngineContext(engine(), kExpected1);
41 }
42
TEST_F(CFXJSEngineEmbedderTest,MultipleEngines)43 TEST_F(CFXJSEngineEmbedderTest, MultipleEngines) {
44 v8::Isolate::Scope isolate_scope(isolate());
45 v8::HandleScope handle_scope(isolate());
46
47 CFXJS_Engine engine1(isolate());
48 engine1.InitializeEngine();
49
50 CFXJS_Engine engine2(isolate());
51 engine2.InitializeEngine();
52
53 v8::Context::Scope context_scope(GetV8Context());
54 {
55 Optional<IJS_Runtime::JS_Error> err =
56 engine()->Execute(WideString(kScript0));
57 EXPECT_FALSE(err);
58 CheckAssignmentInEngineContext(engine(), kExpected0);
59 }
60 {
61 // engine1 executing in engine1's context doesn't affect main.
62 v8::Context::Scope context_scope1(engine1.GetV8Context());
63 Optional<IJS_Runtime::JS_Error> err = engine1.Execute(WideString(kScript1));
64 EXPECT_FALSE(err);
65 CheckAssignmentInEngineContext(engine(), kExpected0);
66 CheckAssignmentInEngineContext(&engine1, kExpected1);
67 }
68 {
69 // engine1 executing in engine2's context doesn't affect engine1.
70 v8::Context::Scope context_scope2(engine2.GetV8Context());
71 Optional<IJS_Runtime::JS_Error> err = engine1.Execute(WideString(kScript2));
72 EXPECT_FALSE(err);
73 CheckAssignmentInEngineContext(engine(), kExpected0);
74 CheckAssignmentInEngineContext(&engine1, kExpected1);
75 CheckAssignmentInEngineContext(&engine2, kExpected2);
76 }
77 engine1.ReleaseEngine();
78 engine2.ReleaseEngine();
79 }
80
TEST_F(CFXJSEngineEmbedderTest,JSCompileError)81 TEST_F(CFXJSEngineEmbedderTest, JSCompileError) {
82 v8::Isolate::Scope isolate_scope(isolate());
83 v8::HandleScope handle_scope(isolate());
84 v8::Context::Scope context_scope(GetV8Context());
85
86 Optional<IJS_Runtime::JS_Error> err =
87 engine()->Execute(L"functoon(x) { return x+1; }");
88 EXPECT_TRUE(err);
89 EXPECT_STREQ(L"SyntaxError: Unexpected token '{'", err->exception.c_str());
90 EXPECT_EQ(1, err->line);
91 EXPECT_EQ(12, err->column);
92 }
93
TEST_F(CFXJSEngineEmbedderTest,JSRuntimeError)94 TEST_F(CFXJSEngineEmbedderTest, JSRuntimeError) {
95 v8::Isolate::Scope isolate_scope(isolate());
96 v8::HandleScope handle_scope(isolate());
97 v8::Context::Scope context_scope(GetV8Context());
98
99 Optional<IJS_Runtime::JS_Error> err =
100 engine()->Execute(L"let a = 3;\nundefined.colour");
101 EXPECT_TRUE(err);
102 EXPECT_EQ(L"TypeError: Cannot read property 'colour' of undefined",
103 err->exception);
104 EXPECT_EQ(2, err->line);
105 EXPECT_EQ(10, err->column);
106 }
107