1 /* 2 * Copyright (C) 2011 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 "base/file_utils.h" 18 19 #include <libgen.h> 20 #include <stdlib.h> 21 22 #include "base/stl_util.h" 23 #include "common_art_test.h" 24 25 namespace art { 26 27 class FileUtilsTest : public CommonArtTest {}; 28 29 TEST_F(FileUtilsTest, GetDalvikCacheFilename) { 30 std::string name; 31 std::string error; 32 33 EXPECT_TRUE(GetDalvikCacheFilename("/system/app/Foo.apk", "/foo", &name, &error)) << error; 34 EXPECT_EQ("/foo/system@app (at) Foo.apk@classes.dex", name); 35 36 EXPECT_TRUE(GetDalvikCacheFilename("/data/app/foo-1.apk", "/foo", &name, &error)) << error; 37 EXPECT_EQ("/foo/data@app (at) foo-1.apk@classes.dex", name); 38 39 EXPECT_TRUE(GetDalvikCacheFilename("/system/framework/core.jar", "/foo", &name, &error)) << error; 40 EXPECT_EQ("/foo/system@framework (at) core.jar@classes.dex", name); 41 42 EXPECT_TRUE(GetDalvikCacheFilename("/system/framework/boot.art", "/foo", &name, &error)) << error; 43 EXPECT_EQ("/foo/system@framework (at) boot.art", name); 44 45 EXPECT_TRUE(GetDalvikCacheFilename("/system/framework/boot.oat", "/foo", &name, &error)) << error; 46 EXPECT_EQ("/foo/system@framework (at) boot.oat", name); 47 } 48 49 TEST_F(FileUtilsTest, GetDalvikCache) { 50 EXPECT_STREQ("", GetDalvikCache("should-not-exist123").c_str()); 51 52 EXPECT_STREQ((android_data_ + "/dalvik-cache/.").c_str(), GetDalvikCache(".").c_str()); 53 } 54 55 56 TEST_F(FileUtilsTest, GetSystemImageFilename) { 57 EXPECT_STREQ("/system/framework/arm/boot.art", 58 GetSystemImageFilename("/system/framework/boot.art", InstructionSet::kArm).c_str()); 59 } 60 61 TEST_F(FileUtilsTest, GetAndroidRootSafe) { 62 std::string error_msg; 63 64 // We don't expect null returns for most cases, so don't check and let std::string crash. 65 66 // CommonArtTest sets ANDROID_ROOT, so expect this to be the same. 67 std::string android_root = GetAndroidRootSafe(&error_msg); 68 std::string android_root_env = getenv("ANDROID_ROOT"); 69 EXPECT_EQ(android_root, android_root_env) << error_msg; 70 71 // Set ANDROID_ROOT to something else (but the directory must exist). So use dirname. 72 UniqueCPtr<char> root_dup(strdup(android_root_env.c_str())); 73 char* dir = dirname(root_dup.get()); 74 ASSERT_EQ(0, setenv("ANDROID_ROOT", dir, /* overwrite */ 1)); 75 std::string android_root2 = GetAndroidRootSafe(&error_msg); 76 EXPECT_STREQ(dir, android_root2.c_str()) << error_msg; 77 78 // Set a bogus value for ANDROID_ROOT. This should be an error. 79 ASSERT_EQ(0, setenv("ANDROID_ROOT", "/this/is/obviously/bogus", /* overwrite */ 1)); 80 EXPECT_EQ(GetAndroidRootSafe(&error_msg), ""); 81 82 // Unset ANDROID_ROOT and see that it still returns something (as libart code is running). 83 ASSERT_EQ(0, unsetenv("ANDROID_ROOT")); 84 std::string android_root3 = GetAndroidRootSafe(&error_msg); 85 // This should be the same as the other root (modulo realpath), otherwise the test setup is 86 // broken. On non-bionic. On bionic we can be running with a different libart that lives outside 87 // of ANDROID_ROOT 88 UniqueCPtr<char> real_root3(realpath(android_root3.c_str(), nullptr)); 89 #if !defined(__BIONIC__ ) || defined(__ANDROID__) 90 UniqueCPtr<char> real_root(realpath(android_root.c_str(), nullptr)); 91 EXPECT_STREQ(real_root.get(), real_root3.get()) << error_msg; 92 #else 93 EXPECT_STRNE(real_root3.get(), "") << error_msg; 94 #endif 95 96 // Reset ANDROID_ROOT, as other things may depend on it. 97 ASSERT_EQ(0, setenv("ANDROID_ROOT", android_root_env.c_str(), /* overwrite */ 1)); 98 } 99 100 TEST_F(FileUtilsTest, GetAndroidRuntimeRootSafe) { 101 std::string error_msg; 102 103 // We don't expect null returns for most cases, so don't check and let std::string crash. 104 105 // CommonArtTest sets ANDROID_RUNTIME_ROOT, so expect this to be the same. 106 std::string android_runtime_root = GetAndroidRuntimeRootSafe(&error_msg); 107 std::string android_runtime_root_env = getenv("ANDROID_RUNTIME_ROOT"); 108 EXPECT_EQ(android_runtime_root, android_runtime_root_env) << error_msg; 109 110 // Set ANDROID_RUNTIME_ROOT to something else (but the directory must exist). So use dirname. 111 UniqueCPtr<char> root_dup(strdup(android_runtime_root_env.c_str())); 112 char* dir = dirname(root_dup.get()); 113 ASSERT_EQ(0, setenv("ANDROID_RUNTIME_ROOT", dir, /* overwrite */ 1)); 114 std::string android_runtime_root2 = GetAndroidRuntimeRootSafe(&error_msg); 115 EXPECT_STREQ(dir, android_runtime_root2.c_str()) << error_msg; 116 117 // Set a bogus value for ANDROID_RUNTIME_ROOT. This should be an error. 118 ASSERT_EQ(0, setenv("ANDROID_RUNTIME_ROOT", "/this/is/obviously/bogus", /* overwrite */ 1)); 119 EXPECT_EQ(GetAndroidRuntimeRootSafe(&error_msg), ""); 120 121 // Reset ANDROID_RUNTIME_ROOT, as other things may depend on it. 122 ASSERT_EQ(0, setenv("ANDROID_RUNTIME_ROOT", android_runtime_root_env.c_str(), /* overwrite */ 1)); 123 } 124 125 TEST_F(FileUtilsTest, ReplaceFileExtension) { 126 EXPECT_EQ("/directory/file.vdex", ReplaceFileExtension("/directory/file.oat", "vdex")); 127 EXPECT_EQ("/.directory/file.vdex", ReplaceFileExtension("/.directory/file.oat", "vdex")); 128 EXPECT_EQ("/directory/file.vdex", ReplaceFileExtension("/directory/file", "vdex")); 129 EXPECT_EQ("/.directory/file.vdex", ReplaceFileExtension("/.directory/file", "vdex")); 130 } 131 132 } // namespace art 133