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
|
// Copyright 2019 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/bind.h"
#include "base/strings/string16.h"
#include "base/strings/string_number_conversions.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "testing/platform_test.h"
#include "ui/views/metadata/metadata_header_macros.h"
#include "ui/views/metadata/metadata_impl_macros.h"
#include "ui/views/metadata/metadata_types.h"
#include "ui/views/view.h"
namespace VM = views::metadata;
class MetadataTest : public PlatformTest {
public:
MetadataTest() = default;
~MetadataTest() override = default;
bool float_property_changed() const { return float_property_changed_; }
void OnFloatPropertyChanged() { float_property_changed_ = true; }
protected:
template <typename T>
VM::MemberMetaDataBase* GetMemberMetaData(T* obj,
const std::string& member_name) {
VM::ClassMetaData* meta_data = obj->GetClassMetaData();
if (meta_data == nullptr)
return nullptr;
VM::MemberMetaDataBase* member_data =
meta_data->FindMemberData(member_name);
return member_data;
}
private:
bool float_property_changed_ = false;
};
// Base view in which a simple hierarchy is created for testing metadata
// iteration across class types.
class MetadataTestBaseView : public views::View {
public:
MetadataTestBaseView() = default;
~MetadataTestBaseView() override = default;
METADATA_HEADER(MetadataTestBaseView);
void SetIntProperty(int new_value) {
if (new_value == int_property_)
return;
int_property_ = new_value;
OnPropertyChanged(&int_property_, views::kPropertyEffectsNone);
}
int GetIntProperty() const { return int_property_; }
views::PropertyChangedSubscription AddIntPropertyChangedCallback(
views::PropertyChangedCallback callback) {
return AddPropertyChangedCallback(&int_property_, std::move(callback));
}
private:
int int_property_ = 0;
};
BEGIN_METADATA(MetadataTestBaseView)
METADATA_PARENT_CLASS(views::View)
ADD_PROPERTY_METADATA(MetadataTestBaseView, int, IntProperty)
END_METADATA()
// Descendent view in the simple hierarchy. The inherited properties are visible
// within the metadata.
class MetadataTestView : public MetadataTestBaseView {
public:
MetadataTestView() = default;
~MetadataTestView() override = default;
METADATA_HEADER(MetadataTestView);
void SetFloatProperty(float new_value) {
if (float_property_ == new_value)
return;
float_property_ = new_value;
OnPropertyChanged(&float_property_, views::kPropertyEffectsNone);
}
float GetFloatProperty() const { return float_property_; }
views::PropertyChangedSubscription AddFloatPropertyChangedCallback(
views::PropertyChangedCallback callback) {
return AddPropertyChangedCallback(&float_property_, std::move(callback));
}
private:
float float_property_ = 0.f;
};
BEGIN_METADATA(MetadataTestView)
METADATA_PARENT_CLASS(MetadataTestBaseView)
ADD_PROPERTY_METADATA(MetadataTestView, float, FloatProperty)
END_METADATA()
TEST_F(MetadataTest, TestFloatMetadataPropertyAccess) {
const float start_value = 12.34f;
MetadataTestView test_obj;
test_obj.SetFloatProperty(start_value);
VM::MemberMetaDataBase* member_data =
GetMemberMetaData(&test_obj, "FloatProperty");
ASSERT_TRUE(member_data);
base::string16 member_value = member_data->GetValueAsString(&test_obj);
CHECK_EQ(member_value, base::NumberToString16(start_value));
}
TEST_F(MetadataTest, TestFloatPropertyChangedCallback) {
const float start_value = 12.34f;
MetadataTestView test_obj;
views::PropertyChangedSubscription callback =
test_obj.AddFloatPropertyChangedCallback(base::BindRepeating(
&MetadataTest::OnFloatPropertyChanged, base::Unretained(this)));
VM::MemberMetaDataBase* member_data =
GetMemberMetaData(&test_obj, "FloatProperty");
ASSERT_TRUE(member_data);
member_data->SetValueAsString(&test_obj, base::NumberToString16(start_value));
CHECK(float_property_changed());
base::string16 member_value = member_data->GetValueAsString(&test_obj);
CHECK_EQ(member_value, base::NumberToString16(start_value));
}
TEST_F(MetadataTest, TestMetaDataParentClassTracking) {
VM::ClassMetaData* base_class_meta_data = MetadataTestBaseView::MetaData();
VM::ClassMetaData* derived_class_meta_data = MetadataTestView::MetaData();
CHECK_EQ(base_class_meta_data,
derived_class_meta_data->parent_class_meta_data());
}
TEST_F(MetadataTest, TestMetaDataFindParentClassMember) {
VM::ClassMetaData* derived_class_meta_data = MetadataTestView::MetaData();
VM::MemberMetaDataBase* member_data =
derived_class_meta_data->FindMemberData("IntProperty");
CHECK_NE(member_data, nullptr);
}
TEST_F(MetadataTest, TestMetaDataMemberIterator) {
VM::ClassMetaData* derived_class_meta_data = MetadataTestView::MetaData();
std::string derived_class_member_name = "IntProperty";
bool found_derived_class_member = false;
std::string base_class_member_name = "IntProperty";
bool found_base_class_member = false;
for (VM::MemberMetaDataBase* member_data : *derived_class_meta_data) {
if (member_data->member_name() == derived_class_member_name)
found_derived_class_member = true;
if (member_data->member_name() == base_class_member_name)
found_base_class_member = true;
}
CHECK(found_derived_class_member);
CHECK(found_base_class_member);
}
TEST_F(MetadataTest, TestTypeCacheContainsTestClass) {
VM::MetaDataCache* cache = VM::MetaDataCache::GetInstance();
ASSERT_TRUE(cache != nullptr);
VM::ClassMetaData* test_class_meta = MetadataTestView::MetaData();
const auto& cache_meta = cache->GetCachedTypes();
CHECK(std::find(cache_meta.begin(), cache_meta.end(), test_class_meta) !=
cache_meta.end());
}
TEST_F(MetadataTest, TestMetaDataFile) {
VM::ClassMetaData* metadata = MetadataTestBaseView::MetaData();
CHECK_EQ(metadata->file(), "ui/views/metadata/metadata_unittest.cc");
}
|
