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
|
/*
* Copyright (C) 2014 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <androidfw/ResourceTypes.h>
#include <utils/Log.h>
#include <utils/String8.h>
#include <utils/Vector.h>
#include "TestHelpers.h"
#include <gtest/gtest.h>
namespace android {
static ResTable_config selectBest(const ResTable_config& target,
const Vector<ResTable_config>& configs) {
ResTable_config bestConfig;
memset(&bestConfig, 0, sizeof(bestConfig));
const size_t configCount = configs.size();
for (size_t i = 0; i < configCount; i++) {
const ResTable_config& thisConfig = configs[i];
if (!thisConfig.match(target)) {
continue;
}
if (thisConfig.isBetterThan(bestConfig, &target)) {
bestConfig = thisConfig;
}
}
return bestConfig;
}
static ResTable_config buildDensityConfig(int density) {
ResTable_config config;
memset(&config, 0, sizeof(config));
config.density = uint16_t(density);
config.sdkVersion = 4;
return config;
}
TEST(ConfigTest, shouldSelectBestDensity) {
ResTable_config deviceConfig;
memset(&deviceConfig, 0, sizeof(deviceConfig));
deviceConfig.density = ResTable_config::DENSITY_XHIGH;
deviceConfig.sdkVersion = 21;
Vector<ResTable_config> configs;
ResTable_config expectedBest = buildDensityConfig(ResTable_config::DENSITY_HIGH);
configs.add(expectedBest);
ASSERT_EQ(expectedBest, selectBest(deviceConfig, configs));
expectedBest = buildDensityConfig(ResTable_config::DENSITY_XXHIGH);
configs.add(expectedBest);
ASSERT_EQ(expectedBest, selectBest(deviceConfig, configs));
expectedBest = buildDensityConfig(int(ResTable_config::DENSITY_XXHIGH) - 20);
configs.add(expectedBest);
ASSERT_EQ(expectedBest, selectBest(deviceConfig, configs));
configs.add(buildDensityConfig(int(ResTable_config::DENSITY_HIGH) + 20));
ASSERT_EQ(expectedBest, selectBest(deviceConfig, configs));
expectedBest = buildDensityConfig(ResTable_config::DENSITY_XHIGH);
configs.add(expectedBest);
ASSERT_EQ(expectedBest, selectBest(deviceConfig, configs));
expectedBest = buildDensityConfig(ResTable_config::DENSITY_ANY);
expectedBest.sdkVersion = 21;
configs.add(expectedBest);
ASSERT_EQ(expectedBest, selectBest(deviceConfig, configs));
}
TEST(ConfigTest, shouldSelectBestDensityWhenNoneSpecified) {
ResTable_config deviceConfig;
memset(&deviceConfig, 0, sizeof(deviceConfig));
deviceConfig.sdkVersion = 21;
Vector<ResTable_config> configs;
configs.add(buildDensityConfig(ResTable_config::DENSITY_HIGH));
ResTable_config expectedBest = buildDensityConfig(ResTable_config::DENSITY_MEDIUM);
configs.add(expectedBest);
ASSERT_EQ(expectedBest, selectBest(deviceConfig, configs));
expectedBest = buildDensityConfig(ResTable_config::DENSITY_ANY);
configs.add(expectedBest);
ASSERT_EQ(expectedBest, selectBest(deviceConfig, configs));
}
} // namespace android.
|
