ResourceFilter_test.cpp revision 27f69f4e06961fdecd1078b2292d764a157e5e1c 
1/*
2 * Copyright (C) 2014 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17#include <androidfw/ResourceTypes.h>
18#include <utils/String8.h>
19#include <gtest/gtest.h>
20
21#include "AaptConfig.h"
22#include "ResourceFilter.h"
23#include "ConfigDescription.h"
24
25using android::String8;
26
27// In this context, 'Axis' represents a particular field in the configuration,
28// such as language or density.
29
30TEST(WeakResourceFilterTest, EmptyFilterMatchesAnything) {
31    WeakResourceFilter filter;
32    ASSERT_EQ(NO_ERROR, filter.parse(String8("")));
33
34    ConfigDescription config;
35    config.density = 320;
36
37    EXPECT_TRUE(filter.match(config));
38
39    config.language[0] = 'f';
40    config.language[1] = 'r';
41
42    EXPECT_TRUE(filter.match(config));
43}
44
45TEST(WeakResourceFilterTest, MatchesConfigWithUnrelatedAxis) {
46    WeakResourceFilter filter;
47    ASSERT_EQ(NO_ERROR, filter.parse(String8("fr")));
48
49    ConfigDescription config;
50    config.density = 320;
51
52    EXPECT_TRUE(filter.match(config));
53}
54
55TEST(WeakResourceFilterTest, MatchesConfigWithSameValueAxis) {
56    WeakResourceFilter filter;
57    ASSERT_EQ(NO_ERROR, filter.parse(String8("fr")));
58
59    ConfigDescription config;
60    config.language[0] = 'f';
61    config.language[1] = 'r';
62
63    EXPECT_TRUE(filter.match(config));
64}
65
66TEST(WeakResourceFilterTest, MatchesConfigWithSameValueAxisAndOtherUnrelatedAxis) {
67    WeakResourceFilter filter;
68    ASSERT_EQ(NO_ERROR, filter.parse(String8("fr")));
69
70    ConfigDescription config;
71    config.language[0] = 'f';
72    config.language[1] = 'r';
73    config.density = 320;
74
75    EXPECT_TRUE(filter.match(config));
76}
77
78TEST(WeakResourceFilterTest, DoesNotMatchConfigWithDifferentValueAxis) {
79    WeakResourceFilter filter;
80    ASSERT_EQ(NO_ERROR, filter.parse(String8("fr")));
81
82    ConfigDescription config;
83    config.language[0] = 'd';
84    config.language[1] = 'e';
85
86    EXPECT_FALSE(filter.match(config));
87}
88
89TEST(WeakResourceFilterTest, MatchesConfigWithSameLanguageButNoRegionSpecified) {
90    WeakResourceFilter filter;
91    ASSERT_EQ(NO_ERROR, filter.parse(String8("de-rDE")));
92
93    ConfigDescription config;
94    config.language[0] = 'd';
95    config.language[1] = 'e';
96
97    EXPECT_TRUE(filter.match(config));
98}
99
100TEST(WeakResourceFilterTest, ParsesStandardLocaleOnlyString) {
101    WeakResourceFilter filter;
102    EXPECT_EQ(NO_ERROR, filter.parse(String8("de_DE")));
103}
104
105TEST(WeakResourceFilterTest, IgnoresVersion) {
106    WeakResourceFilter filter;
107    ASSERT_EQ(NO_ERROR, filter.parse(String8("normal-v4")));
108
109    ConfigDescription config;
110    config.smallestScreenWidthDp = 600;
111    config.version = 13;
112
113    // The configs don't match on any axis besides version, which should be ignored.
114    EXPECT_TRUE(filter.match(config));
115}
116
117TEST(WeakResourceFilterTest, MatchesConfigWithRegion) {
118    WeakResourceFilter filter;
119    ASSERT_EQ(NO_ERROR, filter.parse(String8("kok,kok_IN,kok_419")));
120
121    ConfigDescription config;
122    AaptLocaleValue val;
123    ASSERT_TRUE(val.initFromFilterString(String8("kok_IN")));
124    val.writeTo(&config);
125
126    EXPECT_TRUE(filter.match(config));
127}
128
129TEST(StrongResourceFilterTest, MatchesDensities) {
130    ConfigDescription config;
131    config.density = 160;
132    config.version = 4;
133    std::set<ConfigDescription> configs;
134    configs.insert(config);
135
136    StrongResourceFilter filter(configs);
137
138    ConfigDescription expectedConfig;
139    expectedConfig.density = 160;
140    expectedConfig.version = 4;
141    ASSERT_TRUE(filter.match(expectedConfig));
142}
143
144TEST(StrongResourceFilterTest, MatchOnlyMdpiAndExcludeAllOthers) {
145    std::set<ConfigDescription> configsToMatch;
146    ConfigDescription config;
147    config.density = 160;
148    config.version = 4;
149    configsToMatch.insert(config);
150
151    std::set<ConfigDescription> configsToNotMatch;
152    config.density = 480;
153    configsToNotMatch.insert(config);
154
155    AndResourceFilter filter;
156    filter.addFilter(new InverseResourceFilter(new StrongResourceFilter(configsToNotMatch)));
157    filter.addFilter(new StrongResourceFilter(configsToMatch));
158
159    ConfigDescription expectedConfig;
160    expectedConfig.density = 160;
161    expectedConfig.version = 4;
162    ASSERT_TRUE(filter.match(expectedConfig));
163}
164