1// Copyright 2013 The Chromium 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 "gin/converter.h"
6
7#include <limits.h>
8
9#include "base/basictypes.h"
10#include "base/compiler_specific.h"
11#include "base/memory/scoped_ptr.h"
12#include "gin/public/isolate_holder.h"
13#include "gin/test/v8_test.h"
14#include "testing/gtest/include/gtest/gtest.h"
15#include "v8/include/v8.h"
16
17using v8::Array;
18using v8::Boolean;
19using v8::Handle;
20using v8::HandleScope;
21using v8::Integer;
22using v8::Null;
23using v8::Number;
24using v8::Object;
25using v8::String;
26using v8::Undefined;
27using v8::Value;
28
29namespace gin {
30
31typedef V8Test ConverterTest;
32
33TEST_F(ConverterTest, Bool) {
34  HandleScope handle_scope(instance_->isolate());
35
36  EXPECT_TRUE(Converter<bool>::ToV8(instance_->isolate(), true)->StrictEquals(
37      Boolean::New(instance_->isolate(), true)));
38  EXPECT_TRUE(Converter<bool>::ToV8(instance_->isolate(), false)->StrictEquals(
39      Boolean::New(instance_->isolate(), false)));
40
41  struct {
42    Handle<Value> input;
43    bool expected;
44  } test_data[] = {
45    { Boolean::New(instance_->isolate(), false).As<Value>(), false },
46    { Boolean::New(instance_->isolate(), true).As<Value>(), true },
47    { Number::New(instance_->isolate(), 0).As<Value>(), false },
48    { Number::New(instance_->isolate(), 1).As<Value>(), true },
49    { Number::New(instance_->isolate(), -1).As<Value>(), true },
50    { Number::New(instance_->isolate(), 0.1).As<Value>(), true },
51    { String::NewFromUtf8(instance_->isolate(), "").As<Value>(), false },
52    { String::NewFromUtf8(instance_->isolate(), "foo").As<Value>(), true },
53    { Object::New(instance_->isolate()).As<Value>(), true },
54    { Null(instance_->isolate()).As<Value>(), false },
55    { Undefined(instance_->isolate()).As<Value>(), false },
56  };
57
58  for (size_t i = 0; i < ARRAYSIZE_UNSAFE(test_data); ++i) {
59    bool result = false;
60    EXPECT_TRUE(Converter<bool>::FromV8(instance_->isolate(),
61                                        test_data[i].input, &result));
62    EXPECT_EQ(test_data[i].expected, result);
63
64    result = true;
65    EXPECT_TRUE(Converter<bool>::FromV8(instance_->isolate(),
66                                        test_data[i].input, &result));
67    EXPECT_EQ(test_data[i].expected, result);
68  }
69}
70
71TEST_F(ConverterTest, Int32) {
72  HandleScope handle_scope(instance_->isolate());
73
74  int test_data_to[] = {-1, 0, 1};
75  for (size_t i = 0; i < ARRAYSIZE_UNSAFE(test_data_to); ++i) {
76    EXPECT_TRUE(Converter<int32_t>::ToV8(instance_->isolate(), test_data_to[i])
77                    ->StrictEquals(
78                          Integer::New(instance_->isolate(), test_data_to[i])));
79  }
80
81  struct {
82    v8::Handle<v8::Value> input;
83    bool expect_sucess;
84    int expected_result;
85  } test_data_from[] = {
86    { Boolean::New(instance_->isolate(), false).As<Value>(), false, 0 },
87    { Boolean::New(instance_->isolate(), true).As<Value>(), false, 0 },
88    { Integer::New(instance_->isolate(), -1).As<Value>(), true, -1 },
89    { Integer::New(instance_->isolate(), 0).As<Value>(), true, 0 },
90    { Integer::New(instance_->isolate(), 1).As<Value>(), true, 1 },
91    { Number::New(instance_->isolate(), -1).As<Value>(), true, -1 },
92    { Number::New(instance_->isolate(), 1.1).As<Value>(), false, 0 },
93    { String::NewFromUtf8(instance_->isolate(), "42").As<Value>(), false, 0 },
94    { String::NewFromUtf8(instance_->isolate(), "foo").As<Value>(), false, 0 },
95    { Object::New(instance_->isolate()).As<Value>(), false, 0 },
96    { Array::New(instance_->isolate()).As<Value>(), false, 0 },
97    { v8::Null(instance_->isolate()).As<Value>(), false, 0 },
98    { v8::Undefined(instance_->isolate()).As<Value>(), false, 0 },
99  };
100
101  for (size_t i = 0; i < ARRAYSIZE_UNSAFE(test_data_from); ++i) {
102    int32_t result = std::numeric_limits<int32_t>::min();
103    bool success = Converter<int32_t>::FromV8(instance_->isolate(),
104                                              test_data_from[i].input, &result);
105    EXPECT_EQ(test_data_from[i].expect_sucess, success) << i;
106    if (success)
107      EXPECT_EQ(test_data_from[i].expected_result, result) << i;
108  }
109}
110
111TEST_F(ConverterTest, Vector) {
112  HandleScope handle_scope(instance_->isolate());
113
114  std::vector<int> expected;
115  expected.push_back(-1);
116  expected.push_back(0);
117  expected.push_back(1);
118
119  Handle<Array> js_array = Handle<Array>::Cast(
120      Converter<std::vector<int> >::ToV8(instance_->isolate(), expected));
121  ASSERT_FALSE(js_array.IsEmpty());
122  EXPECT_EQ(3u, js_array->Length());
123  for (size_t i = 0; i < expected.size(); ++i) {
124    EXPECT_TRUE(Integer::New(instance_->isolate(), expected[i])
125                    ->StrictEquals(js_array->Get(static_cast<int>(i))));
126  }
127
128  std::vector<int> actual;
129  EXPECT_TRUE(Converter<std::vector<int> >::FromV8(instance_->isolate(),
130                                                   js_array, &actual));
131  EXPECT_EQ(expected, actual);
132}
133
134}  // namespace gin
135