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_runtime_test.h"
24
25 namespace art {
26
27 class FileUtilsTest : public CommonRuntimeTest {};
28
TEST_F(FileUtilsTest,GetDalvikCacheFilename)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@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@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@core.jar@classes.dex", name);
41
42 EXPECT_TRUE(GetDalvikCacheFilename("/system/framework/boot.art", "/foo", &name, &error)) << error;
43 EXPECT_EQ("/foo/system@framework@boot.art", name);
44
45 EXPECT_TRUE(GetDalvikCacheFilename("/system/framework/boot.oat", "/foo", &name, &error)) << error;
46 EXPECT_EQ("/foo/system@framework@boot.oat", name);
47 }
48
TEST_F(FileUtilsTest,GetDalvikCache)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
TEST_F(FileUtilsTest,GetSystemImageFilename)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
TEST_F(FileUtilsTest,GetAndroidRootSafe)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 // CommonRuntimeTest 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);
70
71 // Set ANDROID_ROOT to something else (but the directory must exist). So use dirname.
72 char* root_dup = strdup(android_root_env.c_str());
73 char* dir = dirname(root_dup);
74 ASSERT_EQ(0, setenv("ANDROID_ROOT", dir, 1 /* overwrite */));
75 std::string android_root2 = GetAndroidRootSafe(&error_msg);
76 EXPECT_STREQ(dir, android_root2.c_str());
77 free(root_dup);
78
79 // Set a bogus value for ANDROID_ROOT. This should be an error.
80 ASSERT_EQ(0, setenv("ANDROID_ROOT", "/this/is/obviously/bogus", 1 /* overwrite */));
81 EXPECT_TRUE(GetAndroidRootSafe(&error_msg) == nullptr);
82
83 // Unset ANDROID_ROOT and see that it still returns something (as libart code is running).
84 ASSERT_EQ(0, unsetenv("ANDROID_ROOT"));
85 std::string android_root3 = GetAndroidRootSafe(&error_msg);
86 // This should be the same as the other root (modulo realpath), otherwise the test setup is
87 // broken.
88 UniqueCPtr<char> real_root(realpath(android_root.c_str(), nullptr));
89 UniqueCPtr<char> real_root3(realpath(android_root3.c_str(), nullptr));
90 EXPECT_STREQ(real_root.get(), real_root3.get());
91
92
93 // Reset ANDROID_ROOT, as other things may depend on it.
94 ASSERT_EQ(0, setenv("ANDROID_ROOT", android_root_env.c_str(), 1 /* overwrite */));
95 }
96
97 } // namespace art
98