1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
|
// Copyright 2013 The Chromium 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 "base/logging.h"
#include "base/macros.h"
#include "gin/arguments.h"
#include "gin/handle.h"
#include "gin/object_template_builder.h"
#include "gin/per_isolate_data.h"
#include "gin/public/isolate_holder.h"
#include "gin/test/v8_test.h"
#include "gin/try_catch.h"
#include "gin/wrappable.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace gin {
class BaseClass {
public:
BaseClass() : value_(23) {}
virtual ~BaseClass() {}
private:
int value_;
DISALLOW_COPY_AND_ASSIGN(BaseClass);
};
class MyObject : public BaseClass,
public Wrappable<MyObject> {
public:
static WrapperInfo kWrapperInfo;
static gin::Handle<MyObject> Create(v8::Isolate* isolate) {
return CreateHandle(isolate, new MyObject());
}
int value() const { return value_; }
void set_value(int value) { value_ = value; }
protected:
MyObject() : value_(0) {}
ObjectTemplateBuilder GetObjectTemplateBuilder(v8::Isolate* isolate) final {
return Wrappable<MyObject>::GetObjectTemplateBuilder(isolate)
.SetProperty("value", &MyObject::value, &MyObject::set_value);
}
~MyObject() override {}
private:
int value_;
};
class MyCallableObject : public Wrappable<MyCallableObject> {
public:
static WrapperInfo kWrapperInfo;
static gin::Handle<MyCallableObject> Create(v8::Isolate* isolate) {
return CreateHandle(isolate, new MyCallableObject());
}
int result() { return result_; }
private:
ObjectTemplateBuilder GetObjectTemplateBuilder(v8::Isolate* isolate) final {
return Wrappable<MyCallableObject>::GetObjectTemplateBuilder(isolate)
.SetCallAsFunctionHandler(&MyCallableObject::Call);
}
MyCallableObject() : result_(0) {
}
~MyCallableObject() override {}
void Call(int val1, int val2, int val3, const gin::Arguments& arguments) {
if (arguments.IsConstructCall())
arguments.ThrowTypeError("Cannot be called as constructor.");
else
result_ = val1;
}
int result_;
};
class MyObject2 : public Wrappable<MyObject2> {
public:
static WrapperInfo kWrapperInfo;
};
WrapperInfo MyObject::kWrapperInfo = { kEmbedderNativeGin };
WrapperInfo MyCallableObject::kWrapperInfo = { kEmbedderNativeGin };
WrapperInfo MyObject2::kWrapperInfo = { kEmbedderNativeGin };
typedef V8Test WrappableTest;
TEST_F(WrappableTest, WrapAndUnwrap) {
v8::Isolate* isolate = instance_->isolate();
v8::HandleScope handle_scope(isolate);
Handle<MyObject> obj = MyObject::Create(isolate);
v8::Local<v8::Value> wrapper = ConvertToV8(isolate, obj.get());
EXPECT_FALSE(wrapper.IsEmpty());
MyObject* unwrapped = NULL;
EXPECT_TRUE(ConvertFromV8(isolate, wrapper, &unwrapped));
EXPECT_EQ(obj.get(), unwrapped);
}
TEST_F(WrappableTest, UnwrapFailures) {
v8::Isolate* isolate = instance_->isolate();
v8::HandleScope handle_scope(isolate);
// Something that isn't an object.
v8::Local<v8::Value> thing = v8::Number::New(isolate, 42);
MyObject* unwrapped = NULL;
EXPECT_FALSE(ConvertFromV8(isolate, thing, &unwrapped));
EXPECT_FALSE(unwrapped);
// An object that's not wrapping anything.
thing = v8::Object::New(isolate);
EXPECT_FALSE(ConvertFromV8(isolate, thing, &unwrapped));
EXPECT_FALSE(unwrapped);
// An object that's wrapping a C++ object of the wrong type.
thing.Clear();
thing = ConvertToV8(isolate, new MyObject2());
EXPECT_FALSE(ConvertFromV8(isolate, thing, &unwrapped));
EXPECT_FALSE(unwrapped);
}
TEST_F(WrappableTest, GetAndSetProperty) {
v8::Isolate* isolate = instance_->isolate();
v8::HandleScope handle_scope(isolate);
gin::Handle<MyObject> obj = MyObject::Create(isolate);
obj->set_value(42);
EXPECT_EQ(42, obj->value());
v8::Local<v8::String> source = StringToV8(isolate,
"(function (obj) {"
" if (obj.value !== 42) throw 'FAIL';"
" else obj.value = 191; })");
EXPECT_FALSE(source.IsEmpty());
gin::TryCatch try_catch(isolate);
v8::Local<v8::Script> script = v8::Script::Compile(source);
EXPECT_FALSE(script.IsEmpty());
v8::Local<v8::Value> val = script->Run();
EXPECT_FALSE(val.IsEmpty());
v8::Local<v8::Function> func;
EXPECT_TRUE(ConvertFromV8(isolate, val, &func));
v8::Local<v8::Value> argv[] = {
ConvertToV8(isolate, obj.get()),
};
func->Call(v8::Undefined(isolate), 1, argv);
EXPECT_FALSE(try_catch.HasCaught());
EXPECT_EQ("", try_catch.GetStackTrace());
EXPECT_EQ(191, obj->value());
}
TEST_F(WrappableTest, CallAsFunction) {
v8::Isolate* isolate = instance_->isolate();
v8::HandleScope handle_scope(isolate);
gin::Handle<MyCallableObject> object(MyCallableObject::Create(isolate));
EXPECT_EQ(0, object->result());
v8::Local<v8::String> source = StringToV8(isolate,
"(function(obj) {"
"obj(42, 2, 5);"
"})");
gin::TryCatch try_catch(isolate);
v8::Local<v8::Script> script = v8::Script::Compile(source);
v8::Local<v8::Value> val = script->Run();
v8::Local<v8::Function> func;
EXPECT_TRUE(ConvertFromV8(isolate, val, &func));
v8::Local<v8::Value> argv[] = {
ConvertToV8(isolate, object.get())
};
func->Call(v8::Undefined(isolate), 1, argv);
EXPECT_FALSE(try_catch.HasCaught());
EXPECT_EQ(42, object->result());
}
TEST_F(WrappableTest, CallAsConstructor) {
v8::Isolate* isolate = instance_->isolate();
v8::HandleScope handle_scope(isolate);
gin::Handle<MyCallableObject> object(MyCallableObject::Create(isolate));
EXPECT_EQ(0, object->result());
v8::Local<v8::String> source = StringToV8(isolate,
"(function(obj) {"
"new obj(42, 2, 5);"
"})");
gin::TryCatch try_catch(isolate);
v8::Local<v8::Script> script = v8::Script::Compile(source);
v8::Local<v8::Value> val = script->Run();
v8::Local<v8::Function> func;
EXPECT_TRUE(ConvertFromV8(isolate, val, &func));
v8::Local<v8::Value> argv[] = {
ConvertToV8(isolate, object.get())
};
func->Call(v8::Undefined(isolate), 1, argv);
EXPECT_TRUE(try_catch.HasCaught());
}
} // namespace gin
|
