1 // Copyright 2015 The PDFium Authors
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/external_engine_embedder_test.h"
8 #include "testing/gtest/include/gtest/gtest.h"
9 #include "v8/include/v8-context.h"
10 #include "v8/include/v8-isolate.h"
11 #include "v8/include/v8-local-handle.h"
12 #include "v8/include/v8-object.h"
13 #include "v8/include/v8-value.h"
14
15 namespace {
16
17 const double kExpected0 = 6.0;
18 const double kExpected1 = 7.0;
19 const double kExpected2 = 8.0;
20
21 const wchar_t kScript0[] = L"fred = 6";
22 const wchar_t kScript1[] = L"fred = 7";
23 const wchar_t kScript2[] = L"fred = 8";
24
25 } // namespace
26
27 class CFXJSEngineEmbedderTest : public ExternalEngineEmbedderTest {};
28
CheckAssignmentInEngineContext(CFXJS_Engine * current_engine,double expected)29 void CheckAssignmentInEngineContext(CFXJS_Engine* current_engine,
30 double expected) {
31 v8::Context::Scope context_scope(current_engine->GetV8Context());
32 v8::Local<v8::Object> This = current_engine->GetThisObj();
33 v8::Local<v8::Value> fred = current_engine->GetObjectProperty(This, "fred");
34 EXPECT_TRUE(fred->IsNumber());
35 EXPECT_EQ(expected, current_engine->ToDouble(fred));
36 }
37
TEST_F(CFXJSEngineEmbedderTest,Getters)38 TEST_F(CFXJSEngineEmbedderTest, Getters) {
39 v8::Isolate::Scope isolate_scope(isolate());
40 v8::HandleScope handle_scope(isolate());
41 v8::Context::Scope context_scope(GetV8Context());
42
43 absl::optional<IJS_Runtime::JS_Error> err =
44 engine()->Execute(WideString(kScript1));
45 EXPECT_FALSE(err);
46 CheckAssignmentInEngineContext(engine(), kExpected1);
47 }
48
TEST_F(CFXJSEngineEmbedderTest,MultipleEngines)49 TEST_F(CFXJSEngineEmbedderTest, MultipleEngines) {
50 v8::Isolate::Scope isolate_scope(isolate());
51 v8::HandleScope handle_scope(isolate());
52
53 CFXJS_Engine engine1(isolate());
54 engine1.InitializeEngine();
55
56 CFXJS_Engine engine2(isolate());
57 engine2.InitializeEngine();
58
59 v8::Context::Scope context_scope(GetV8Context());
60 {
61 absl::optional<IJS_Runtime::JS_Error> err =
62 engine()->Execute(WideString(kScript0));
63 EXPECT_FALSE(err);
64 CheckAssignmentInEngineContext(engine(), kExpected0);
65 }
66 {
67 // engine1 executing in engine1's context doesn't affect main.
68 v8::Context::Scope context_scope1(engine1.GetV8Context());
69 absl::optional<IJS_Runtime::JS_Error> err =
70 engine1.Execute(WideString(kScript1));
71 EXPECT_FALSE(err);
72 CheckAssignmentInEngineContext(engine(), kExpected0);
73 CheckAssignmentInEngineContext(&engine1, kExpected1);
74 }
75 {
76 // engine1 executing in engine2's context doesn't affect engine1.
77 v8::Context::Scope context_scope2(engine2.GetV8Context());
78 absl::optional<IJS_Runtime::JS_Error> err =
79 engine1.Execute(WideString(kScript2));
80 EXPECT_FALSE(err);
81 CheckAssignmentInEngineContext(engine(), kExpected0);
82 CheckAssignmentInEngineContext(&engine1, kExpected1);
83 CheckAssignmentInEngineContext(&engine2, kExpected2);
84 }
85 engine1.ReleaseEngine();
86 engine2.ReleaseEngine();
87 }
88
TEST_F(CFXJSEngineEmbedderTest,JSCompileError)89 TEST_F(CFXJSEngineEmbedderTest, JSCompileError) {
90 v8::Isolate::Scope isolate_scope(isolate());
91 v8::HandleScope handle_scope(isolate());
92 v8::Context::Scope context_scope(GetV8Context());
93
94 absl::optional<IJS_Runtime::JS_Error> err =
95 engine()->Execute(L"functoon(x) { return x+1; }");
96 EXPECT_TRUE(err);
97 EXPECT_STREQ(L"SyntaxError: Unexpected token '{'", err->exception.c_str());
98 EXPECT_EQ(1, err->line);
99 EXPECT_EQ(12, err->column);
100 }
101
TEST_F(CFXJSEngineEmbedderTest,JSRuntimeError)102 TEST_F(CFXJSEngineEmbedderTest, JSRuntimeError) {
103 v8::Isolate::Scope isolate_scope(isolate());
104 v8::HandleScope handle_scope(isolate());
105 v8::Context::Scope context_scope(GetV8Context());
106
107 absl::optional<IJS_Runtime::JS_Error> err =
108 engine()->Execute(L"let a = 3;\nundefined.colour");
109 EXPECT_TRUE(err);
110 EXPECT_EQ(
111 L"TypeError: Cannot read properties of undefined (reading 'colour')",
112 err->exception);
113 EXPECT_EQ(2, err->line);
114 EXPECT_EQ(10, err->column);
115 }
116