1 // Copyright 2018 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/cfx_v8.h"
6
7 #include <math.h>
8
9 #include <memory>
10
11 #include "testing/fxv8_unittest.h"
12 #include "testing/gtest/include/gtest/gtest.h"
13 #include "v8/include/v8-container.h"
14 #include "v8/include/v8-context.h"
15 #include "v8/include/v8-date.h"
16 #include "v8/include/v8-isolate.h"
17
18 namespace {
19 bool getter_sentinel = false;
20 bool setter_sentinel = false;
21 } // namespace
22
23 class CFXV8UnitTest : public FXV8UnitTest {
24 public:
25 CFXV8UnitTest() = default;
26 ~CFXV8UnitTest() override = default;
27
28 // FXV8UnitTest:
SetUp()29 void SetUp() override {
30 FXV8UnitTest::SetUp();
31 cfx_v8_ = std::make_unique<CFX_V8>(isolate());
32 }
33
cfx_v8() const34 CFX_V8* cfx_v8() const { return cfx_v8_.get(); }
35
36 protected:
37 std::unique_ptr<CFX_V8> cfx_v8_;
38 };
39
TEST_F(CFXV8UnitTest,EmptyLocal)40 TEST_F(CFXV8UnitTest, EmptyLocal) {
41 v8::Isolate::Scope isolate_scope(isolate());
42 v8::HandleScope handle_scope(isolate());
43 v8::Context::Scope context_scope(v8::Context::New(isolate()));
44
45 v8::Local<v8::Value> empty;
46 EXPECT_FALSE(cfx_v8()->ToBoolean(empty));
47 EXPECT_EQ(0, cfx_v8()->ToInt32(empty));
48 EXPECT_EQ(0.0, cfx_v8()->ToDouble(empty));
49 EXPECT_EQ("", cfx_v8()->ToByteString(empty));
50 EXPECT_EQ(L"", cfx_v8()->ToWideString(empty));
51 EXPECT_TRUE(cfx_v8()->ToObject(empty).IsEmpty());
52 EXPECT_TRUE(cfx_v8()->ToArray(empty).IsEmpty());
53
54 // Can't set properties on empty objects, but does not fault.
55 v8::Local<v8::Value> marker = cfx_v8()->NewNumber(2);
56 v8::Local<v8::Object> empty_object;
57 cfx_v8()->PutObjectProperty(empty_object, "clams", marker);
58 EXPECT_TRUE(cfx_v8()->GetObjectProperty(empty_object, "clams").IsEmpty());
59 EXPECT_EQ(0u, cfx_v8()->GetObjectPropertyNames(empty_object).size());
60
61 // Can't set elements in empty arrays, but does not fault.
62 v8::Local<v8::Array> empty_array;
63 cfx_v8()->PutArrayElement(empty_array, 0, marker);
64 EXPECT_TRUE(cfx_v8()->GetArrayElement(empty_array, 0).IsEmpty());
65 EXPECT_EQ(0u, cfx_v8()->GetArrayLength(empty_array));
66 }
67
TEST_F(CFXV8UnitTest,NewNull)68 TEST_F(CFXV8UnitTest, NewNull) {
69 v8::Isolate::Scope isolate_scope(isolate());
70 v8::HandleScope handle_scope(isolate());
71 v8::Context::Scope context_scope(v8::Context::New(isolate()));
72
73 auto nullz = cfx_v8()->NewNull();
74 EXPECT_FALSE(cfx_v8()->ToBoolean(nullz));
75 EXPECT_EQ(0, cfx_v8()->ToInt32(nullz));
76 EXPECT_EQ(0.0, cfx_v8()->ToDouble(nullz));
77 EXPECT_EQ("null", cfx_v8()->ToByteString(nullz));
78 EXPECT_EQ(L"null", cfx_v8()->ToWideString(nullz));
79 EXPECT_TRUE(cfx_v8()->ToObject(nullz).IsEmpty());
80 EXPECT_TRUE(cfx_v8()->ToArray(nullz).IsEmpty());
81 }
82
TEST_F(CFXV8UnitTest,NewUndefined)83 TEST_F(CFXV8UnitTest, NewUndefined) {
84 v8::Isolate::Scope isolate_scope(isolate());
85 v8::HandleScope handle_scope(isolate());
86 v8::Context::Scope context_scope(v8::Context::New(isolate()));
87
88 auto undef = cfx_v8()->NewUndefined();
89 EXPECT_FALSE(cfx_v8()->ToBoolean(undef));
90 EXPECT_EQ(0, cfx_v8()->ToInt32(undef));
91 EXPECT_TRUE(isnan(cfx_v8()->ToDouble(undef)));
92 EXPECT_EQ("undefined", cfx_v8()->ToByteString(undef));
93 EXPECT_EQ(L"undefined", cfx_v8()->ToWideString(undef));
94 EXPECT_TRUE(cfx_v8()->ToObject(undef).IsEmpty());
95 EXPECT_TRUE(cfx_v8()->ToArray(undef).IsEmpty());
96 }
97
TEST_F(CFXV8UnitTest,NewBoolean)98 TEST_F(CFXV8UnitTest, NewBoolean) {
99 v8::Isolate::Scope isolate_scope(isolate());
100 v8::HandleScope handle_scope(isolate());
101 v8::Context::Scope context_scope(v8::Context::New(isolate()));
102
103 auto boolz = cfx_v8()->NewBoolean(true);
104 EXPECT_TRUE(cfx_v8()->ToBoolean(boolz));
105 EXPECT_EQ(1, cfx_v8()->ToInt32(boolz));
106 EXPECT_EQ(1.0, cfx_v8()->ToDouble(boolz));
107 EXPECT_EQ("true", cfx_v8()->ToByteString(boolz));
108 EXPECT_EQ(L"true", cfx_v8()->ToWideString(boolz));
109 EXPECT_TRUE(cfx_v8()->ToObject(boolz).IsEmpty());
110 EXPECT_TRUE(cfx_v8()->ToArray(boolz).IsEmpty());
111
112 boolz = cfx_v8()->NewBoolean(false);
113 EXPECT_FALSE(cfx_v8()->ToBoolean(boolz));
114 EXPECT_EQ(0, cfx_v8()->ToInt32(boolz));
115 EXPECT_EQ(0.0, cfx_v8()->ToDouble(boolz));
116 EXPECT_EQ("false", cfx_v8()->ToByteString(boolz));
117 EXPECT_EQ(L"false", cfx_v8()->ToWideString(boolz));
118 EXPECT_TRUE(cfx_v8()->ToObject(boolz).IsEmpty());
119 EXPECT_TRUE(cfx_v8()->ToArray(boolz).IsEmpty());
120 }
121
TEST_F(CFXV8UnitTest,NewNumber)122 TEST_F(CFXV8UnitTest, NewNumber) {
123 v8::Isolate::Scope isolate_scope(isolate());
124 v8::HandleScope handle_scope(isolate());
125 v8::Context::Scope context_scope(v8::Context::New(isolate()));
126
127 auto num = cfx_v8()->NewNumber(42.1);
128 EXPECT_TRUE(cfx_v8()->ToBoolean(num));
129 EXPECT_EQ(42, cfx_v8()->ToInt32(num));
130 EXPECT_EQ(42.1, cfx_v8()->ToDouble(num));
131 EXPECT_EQ("42.1", cfx_v8()->ToByteString(num));
132 EXPECT_EQ(L"42.1", cfx_v8()->ToWideString(num));
133 EXPECT_TRUE(cfx_v8()->ToObject(num).IsEmpty());
134 EXPECT_TRUE(cfx_v8()->ToArray(num).IsEmpty());
135 }
136
TEST_F(CFXV8UnitTest,NewString)137 TEST_F(CFXV8UnitTest, NewString) {
138 v8::Isolate::Scope isolate_scope(isolate());
139 v8::HandleScope handle_scope(isolate());
140 v8::Context::Scope context_scope(v8::Context::New(isolate()));
141
142 auto str = cfx_v8()->NewString("123");
143 EXPECT_TRUE(cfx_v8()->ToBoolean(str));
144 EXPECT_EQ(123, cfx_v8()->ToInt32(str));
145 EXPECT_EQ(123, cfx_v8()->ToDouble(str));
146 EXPECT_EQ("123", cfx_v8()->ToByteString(str));
147 EXPECT_EQ(L"123", cfx_v8()->ToWideString(str));
148 EXPECT_TRUE(cfx_v8()->ToObject(str).IsEmpty());
149 EXPECT_TRUE(cfx_v8()->ToArray(str).IsEmpty());
150
151 auto str2 = cfx_v8()->NewString(L"123");
152 EXPECT_TRUE(cfx_v8()->ToBoolean(str2));
153 EXPECT_EQ(123, cfx_v8()->ToInt32(str2));
154 EXPECT_EQ(123, cfx_v8()->ToDouble(str2));
155 EXPECT_EQ("123", cfx_v8()->ToByteString(str2));
156 EXPECT_EQ(L"123", cfx_v8()->ToWideString(str2));
157 EXPECT_TRUE(cfx_v8()->ToObject(str2).IsEmpty());
158 EXPECT_TRUE(cfx_v8()->ToArray(str2).IsEmpty());
159 }
160
TEST_F(CFXV8UnitTest,NewDate)161 TEST_F(CFXV8UnitTest, NewDate) {
162 v8::Isolate::Scope isolate_scope(isolate());
163 v8::HandleScope handle_scope(isolate());
164 v8::Context::Scope context_scope(v8::Context::New(isolate()));
165
166 auto date = cfx_v8()->NewDate(1111111111);
167 EXPECT_TRUE(cfx_v8()->ToBoolean(date));
168 EXPECT_EQ(1111111111, cfx_v8()->ToInt32(date));
169 EXPECT_EQ(1111111111.0, cfx_v8()->ToDouble(date));
170 EXPECT_NE("", cfx_v8()->ToByteString(date)); // exact format varies.
171 EXPECT_NE(L"", cfx_v8()->ToWideString(date)); // exact format varies.
172 EXPECT_TRUE(cfx_v8()->ToObject(date)->IsObject());
173 EXPECT_TRUE(cfx_v8()->ToArray(date).IsEmpty());
174 }
175
TEST_F(CFXV8UnitTest,NewArray)176 TEST_F(CFXV8UnitTest, NewArray) {
177 v8::Isolate::Scope isolate_scope(isolate());
178 v8::HandleScope handle_scope(isolate());
179 v8::Context::Scope context_scope(v8::Context::New(isolate()));
180
181 auto array = cfx_v8()->NewArray();
182 EXPECT_EQ(0u, cfx_v8()->GetArrayLength(array));
183 EXPECT_FALSE(cfx_v8()->GetArrayElement(array, 2).IsEmpty());
184 EXPECT_TRUE(cfx_v8()->GetArrayElement(array, 2)->IsUndefined());
185 EXPECT_EQ(0u, cfx_v8()->GetArrayLength(array));
186
187 cfx_v8()->PutArrayElement(array, 3, cfx_v8()->NewNumber(12));
188 EXPECT_FALSE(cfx_v8()->GetArrayElement(array, 2).IsEmpty());
189 EXPECT_TRUE(cfx_v8()->GetArrayElement(array, 2)->IsUndefined());
190 EXPECT_FALSE(cfx_v8()->GetArrayElement(array, 3).IsEmpty());
191 EXPECT_TRUE(cfx_v8()->GetArrayElement(array, 3)->IsNumber());
192 EXPECT_EQ(4u, cfx_v8()->GetArrayLength(array));
193
194 EXPECT_TRUE(cfx_v8()->ToBoolean(array));
195 EXPECT_EQ(0, cfx_v8()->ToInt32(array));
196 double d = cfx_v8()->ToDouble(array);
197 EXPECT_NE(d, d); // i.e. NaN.
198 EXPECT_EQ(L",,,12", cfx_v8()->ToWideString(array));
199 EXPECT_TRUE(cfx_v8()->ToObject(array)->IsObject());
200 EXPECT_TRUE(cfx_v8()->ToArray(array)->IsArray());
201 }
202
TEST_F(CFXV8UnitTest,NewObject)203 TEST_F(CFXV8UnitTest, NewObject) {
204 v8::Isolate::Scope isolate_scope(isolate());
205 v8::HandleScope handle_scope(isolate());
206 v8::Context::Scope context_scope(v8::Context::New(isolate()));
207
208 auto object = cfx_v8()->NewObject();
209 ASSERT_FALSE(object.IsEmpty());
210 EXPECT_EQ(0u, cfx_v8()->GetObjectPropertyNames(object).size());
211 EXPECT_FALSE(cfx_v8()->GetObjectProperty(object, "clams").IsEmpty());
212 EXPECT_TRUE(cfx_v8()->GetObjectProperty(object, "clams")->IsUndefined());
213 EXPECT_EQ(0u, cfx_v8()->GetObjectPropertyNames(object).size());
214
215 cfx_v8()->PutObjectProperty(object, "clams", cfx_v8()->NewNumber(12));
216 EXPECT_FALSE(cfx_v8()->GetObjectProperty(object, "clams").IsEmpty());
217 EXPECT_TRUE(cfx_v8()->GetObjectProperty(object, "clams")->IsNumber());
218 EXPECT_EQ(1u, cfx_v8()->GetObjectPropertyNames(object).size());
219 EXPECT_EQ(L"clams", cfx_v8()->GetObjectPropertyNames(object)[0]);
220
221 EXPECT_TRUE(cfx_v8()->ToBoolean(object));
222 EXPECT_EQ(0, cfx_v8()->ToInt32(object));
223 double d = cfx_v8()->ToDouble(object);
224 EXPECT_NE(d, d); // i.e. NaN.
225 EXPECT_EQ(L"[object Object]", cfx_v8()->ToWideString(object));
226 EXPECT_TRUE(cfx_v8()->ToObject(object)->IsObject());
227 EXPECT_TRUE(cfx_v8()->ToArray(object).IsEmpty());
228 }
229
TEST_F(CFXV8UnitTest,ThrowFromGetter)230 TEST_F(CFXV8UnitTest, ThrowFromGetter) {
231 v8::Isolate::Scope isolate_scope(isolate());
232 v8::HandleScope handle_scope(isolate());
233 v8::Local<v8::Context> context = v8::Context::New(isolate());
234 v8::Context::Scope context_scope(context);
235
236 v8::Local<v8::Object> object = cfx_v8()->NewObject();
237 v8::Local<v8::String> name = cfx_v8()->NewString("clams");
238 EXPECT_TRUE(
239 object
240 ->SetAccessor(context, name,
241 [](v8::Local<v8::Name> property,
242 const v8::PropertyCallbackInfo<v8::Value>& info) {
243 getter_sentinel = true;
244 info.GetIsolate()->ThrowException(property);
245 })
246 .FromJust());
247 getter_sentinel = false;
248 EXPECT_TRUE(cfx_v8()->GetObjectProperty(object, "clams").IsEmpty());
249 EXPECT_TRUE(getter_sentinel);
250 }
251
TEST_F(CFXV8UnitTest,ThrowFromSetter)252 TEST_F(CFXV8UnitTest, ThrowFromSetter) {
253 v8::Isolate::Scope isolate_scope(isolate());
254 v8::HandleScope handle_scope(isolate());
255 v8::Local<v8::Context> context = v8::Context::New(isolate());
256 v8::Context::Scope context_scope(context);
257
258 v8::Local<v8::Object> object = cfx_v8()->NewObject();
259 v8::Local<v8::String> name = cfx_v8()->NewString("clams");
260 EXPECT_TRUE(object
261 ->SetAccessor(context, name, nullptr,
262 [](v8::Local<v8::Name> property,
263 v8::Local<v8::Value> value,
264 const v8::PropertyCallbackInfo<void>& info) {
265 setter_sentinel = true;
266 info.GetIsolate()->ThrowException(property);
267 })
268 .FromJust());
269 setter_sentinel = false;
270 cfx_v8()->PutObjectProperty(object, "clams", name);
271 EXPECT_TRUE(setter_sentinel);
272 }
273