1 /*
2  * Copyright (C) 2015 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 "util/Util.h"
18 
19 #include <string>
20 
21 #include "test/Test.h"
22 
23 using ::android::StringPiece;
24 using ::testing::Eq;
25 using ::testing::Ne;
26 using ::testing::SizeIs;
27 
28 namespace aapt {
29 
30 // Test that a max package name size 223 is valid.
31 static const std::string kMaxPackageName =
32     "com.foo.nameRw8ajIGbYmqPuO0K7TYJFsI2pjlDAS0pYOYQlJvtQux"
33     "SoBKV1hMyNh4XfmcMj8OgPHfFaTXeKEHFMdGQHpw9Dz9Uqr8h1krgJLRv2aXyPCsGdVwBJzfZ4COVRiX3sc9O"
34     "CUrTTvZe6wXlgKb5Qz5qdkTBZ5euzGeoyZwestDTBIgT5exAl5efnznwzceS7VsIntgY10UUQvaoTsLBO6l";
35 // Test that a long package name size 224 is invalid.
36 static const std::string kLongPackageName =
37     "com.foo.nameRw8ajIGbYmqPuO0K7TYJFsI2pjlDAS0pYOYQlJvtQu"
38     "xSoBKV1hMyNh4XfmcMj8OgPHfFaTXeKEHFMdGQHpw9Dz9Uqr8h1krgJLRv2aXyPCsGdVwBJzfZ4COVRiX3sc9O"
39     "CUrTTvZe6wXlgKb5Qz5qdkTBZ5euzGeoyZwestDTBIgT5exAl5efnznwzceS7VsIntgY10UUQvaoTsLBO6le";
40 
TEST(UtilTest,TrimOnlyWhitespace)41 TEST(UtilTest, TrimOnlyWhitespace) {
42   const StringPiece trimmed = util::TrimWhitespace("\n        ");
43   EXPECT_TRUE(trimmed.empty());
44   EXPECT_THAT(trimmed, SizeIs(0u));
45 }
46 
TEST(UtilTest,StringEndsWith)47 TEST(UtilTest, StringEndsWith) {
48   EXPECT_TRUE(util::EndsWith("hello.xml", ".xml"));
49 }
50 
TEST(UtilTest,StringStartsWith)51 TEST(UtilTest, StringStartsWith) {
52   EXPECT_TRUE(util::StartsWith("hello.xml", "he"));
53 }
54 
TEST(UtilTest,TokenizeInput)55 TEST(UtilTest, TokenizeInput) {
56   auto tokenizer = util::Tokenize(StringPiece("this| is|the|end"), '|');
57   auto iter = tokenizer.begin();
58   ASSERT_THAT(*iter, Eq("this"));
59   ++iter;
60   ASSERT_THAT(*iter, Eq(" is"));
61   ++iter;
62   ASSERT_THAT(*iter, Eq("the"));
63   ++iter;
64   ASSERT_THAT(*iter, Eq("end"));
65   ++iter;
66   ASSERT_THAT(iter, Eq(tokenizer.end()));
67 }
68 
TEST(UtilTest,TokenizeEmptyString)69 TEST(UtilTest, TokenizeEmptyString) {
70   auto tokenizer = util::Tokenize(StringPiece(""), '|');
71   auto iter = tokenizer.begin();
72   ASSERT_THAT(iter, Ne(tokenizer.end()));
73   ASSERT_THAT(*iter, Eq(StringPiece()));
74   ++iter;
75   ASSERT_THAT(iter, Eq(tokenizer.end()));
76 }
77 
TEST(UtilTest,TokenizeAtEnd)78 TEST(UtilTest, TokenizeAtEnd) {
79   auto tokenizer = util::Tokenize(StringPiece("one."), '.');
80   auto iter = tokenizer.begin();
81   ASSERT_THAT(*iter, Eq("one"));
82   ++iter;
83   ASSERT_THAT(iter, Ne(tokenizer.end()));
84   ASSERT_THAT(*iter, Eq(StringPiece()));
85 }
86 
TEST(UtilTest,IsJavaClassName)87 TEST(UtilTest, IsJavaClassName) {
88   EXPECT_TRUE(util::IsJavaClassName("android.test.Class"));
89   EXPECT_TRUE(util::IsJavaClassName("android.test.Class$Inner"));
90   EXPECT_TRUE(util::IsJavaClassName("android_test.test.Class"));
91   EXPECT_TRUE(util::IsJavaClassName("_android_.test._Class_"));
92   EXPECT_TRUE(util::IsJavaClassName("android.test.$Inner"));
93   EXPECT_TRUE(util::IsJavaClassName("android.test.Inner$"));
94   EXPECT_TRUE(util::IsJavaClassName("com.foo.FøøBar"));
95 
96   EXPECT_FALSE(util::IsJavaClassName(".test.Class"));
97   EXPECT_FALSE(util::IsJavaClassName("android"));
98   EXPECT_FALSE(util::IsJavaClassName("FooBar"));
99 }
100 
TEST(UtilTest,IsJavaPackageName)101 TEST(UtilTest, IsJavaPackageName) {
102   EXPECT_TRUE(util::IsJavaPackageName("android"));
103   EXPECT_TRUE(util::IsJavaPackageName("android.test"));
104   EXPECT_TRUE(util::IsJavaPackageName("android.test_thing"));
105   EXPECT_TRUE(util::IsJavaPackageName("_android"));
106   EXPECT_TRUE(util::IsJavaPackageName("android_"));
107   EXPECT_TRUE(util::IsJavaPackageName("android._test"));
108   EXPECT_TRUE(util::IsJavaPackageName("cøm.foo"));
109 
110   EXPECT_FALSE(util::IsJavaPackageName("android."));
111   EXPECT_FALSE(util::IsJavaPackageName(".android"));
112   EXPECT_FALSE(util::IsJavaPackageName(".."));
113 }
114 
TEST(UtilTest,IsAndroidPackageName)115 TEST(UtilTest, IsAndroidPackageName) {
116   EXPECT_TRUE(util::IsAndroidPackageName("android"));
117   EXPECT_TRUE(util::IsAndroidPackageName("android.test"));
118   EXPECT_TRUE(util::IsAndroidPackageName("com.foo"));
119   EXPECT_TRUE(util::IsAndroidPackageName("com.foo.test_thing"));
120   EXPECT_TRUE(util::IsAndroidPackageName("com.foo.testing_thing_"));
121   EXPECT_TRUE(util::IsAndroidPackageName("com.foo.test_99_"));
122   EXPECT_TRUE(util::IsAndroidPackageName(kMaxPackageName));
123 
124   EXPECT_FALSE(util::IsAndroidPackageName("android._test"));
125   EXPECT_FALSE(util::IsAndroidPackageName("com"));
126   EXPECT_FALSE(util::IsAndroidPackageName("_android"));
127   EXPECT_FALSE(util::IsAndroidPackageName("android."));
128   EXPECT_FALSE(util::IsAndroidPackageName(".android"));
129   EXPECT_FALSE(util::IsAndroidPackageName(".."));
130   EXPECT_FALSE(util::IsAndroidPackageName("cøm.foo"));
131   EXPECT_FALSE(util::IsAndroidPackageName(kLongPackageName));
132 }
133 
TEST(UtilTest,IsAndroidSharedUserId)134 TEST(UtilTest, IsAndroidSharedUserId) {
135   EXPECT_TRUE(util::IsAndroidSharedUserId("android", "foo"));
136   EXPECT_TRUE(util::IsAndroidSharedUserId("com.foo", "android.test"));
137   EXPECT_TRUE(util::IsAndroidSharedUserId("com.foo", "com.foo"));
138   EXPECT_TRUE(util::IsAndroidSharedUserId("com.foo", "com.foo.test_thing"));
139   EXPECT_TRUE(util::IsAndroidSharedUserId("com.foo", "com.foo.testing_thing_"));
140   EXPECT_TRUE(util::IsAndroidSharedUserId("com.foo", "com.foo.test_99_"));
141   EXPECT_TRUE(util::IsAndroidSharedUserId("com.foo", ""));
142   EXPECT_TRUE(util::IsAndroidSharedUserId("com.foo", kMaxPackageName));
143 
144   EXPECT_FALSE(util::IsAndroidSharedUserId("com.foo", "android._test"));
145   EXPECT_FALSE(util::IsAndroidSharedUserId("com.foo", "com"));
146   EXPECT_FALSE(util::IsAndroidSharedUserId("com.foo", "_android"));
147   EXPECT_FALSE(util::IsAndroidSharedUserId("com.foo", "android."));
148   EXPECT_FALSE(util::IsAndroidSharedUserId("com.foo", ".android"));
149   EXPECT_FALSE(util::IsAndroidSharedUserId("com.foo", ".."));
150   EXPECT_FALSE(util::IsAndroidSharedUserId("com.foo", "cøm.foo"));
151   EXPECT_FALSE(util::IsAndroidSharedUserId("com.foo", kLongPackageName));
152 }
153 
TEST(UtilTest,FullyQualifiedClassName)154 TEST(UtilTest, FullyQualifiedClassName) {
155   EXPECT_THAT(util::GetFullyQualifiedClassName("android", ".asdf"), Eq("android.asdf"));
156   EXPECT_THAT(util::GetFullyQualifiedClassName("android", ".a.b"), Eq("android.a.b"));
157   EXPECT_THAT(util::GetFullyQualifiedClassName("android", "a.b"), Eq("a.b"));
158   EXPECT_THAT(util::GetFullyQualifiedClassName("", "a.b"), Eq("a.b"));
159   EXPECT_THAT(util::GetFullyQualifiedClassName("android", "Class"), Eq("android.Class"));
160   EXPECT_FALSE(util::GetFullyQualifiedClassName("", ""));
161   EXPECT_FALSE(util::GetFullyQualifiedClassName("android", "./Apple"));
162 }
163 
TEST(UtilTest,ExtractResourcePathComponents)164 TEST(UtilTest, ExtractResourcePathComponents) {
165   StringPiece prefix, entry, suffix;
166   ASSERT_TRUE(util::ExtractResFilePathParts("res/xml-sw600dp/entry.xml", &prefix, &entry, &suffix));
167   EXPECT_THAT(prefix, Eq("res/xml-sw600dp/"));
168   EXPECT_THAT(entry, Eq("entry"));
169   EXPECT_THAT(suffix, Eq(".xml"));
170 
171   ASSERT_TRUE(util::ExtractResFilePathParts("res/xml-sw600dp/entry.9.png", &prefix, &entry, &suffix));
172   EXPECT_THAT(prefix, Eq("res/xml-sw600dp/"));
173   EXPECT_THAT(entry, Eq("entry"));
174   EXPECT_THAT(suffix, Eq(".9.png"));
175 
176   ASSERT_TRUE(util::ExtractResFilePathParts("res//.", &prefix, &entry, &suffix));
177   EXPECT_THAT(prefix, Eq("res//"));
178   EXPECT_THAT(entry, Eq(""));
179   EXPECT_THAT(suffix, Eq("."));
180 
181   EXPECT_FALSE(util::ExtractResFilePathParts("AndroidManifest.xml", &prefix, &entry, &suffix));
182   EXPECT_FALSE(util::ExtractResFilePathParts("res/.xml", &prefix, &entry, &suffix));
183 }
184 
TEST(UtilTest,VerifyJavaStringFormat)185 TEST(UtilTest, VerifyJavaStringFormat) {
186   ASSERT_TRUE(util::VerifyJavaStringFormat("%09.34f"));
187   ASSERT_TRUE(util::VerifyJavaStringFormat("%9$.34f %8$"));
188   ASSERT_TRUE(util::VerifyJavaStringFormat("%% %%"));
189   ASSERT_FALSE(util::VerifyJavaStringFormat("%09$f %f"));
190   ASSERT_FALSE(util::VerifyJavaStringFormat("%09f %08s"));
191 }
192 
193 }  // namespace aapt
194