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 "exec_utils.h"
18
19 #include "base/file_utils.h"
20 #include "base/memory_tool.h"
21 #include "common_runtime_test.h"
22
23 namespace art {
24
25 std::string PrettyArguments(const char* signature);
26 std::string PrettyReturnType(const char* signature);
27
28 class ExecUtilsTest : public CommonRuntimeTest {};
29
TEST_F(ExecUtilsTest,ExecSuccess)30 TEST_F(ExecUtilsTest, ExecSuccess) {
31 std::vector<std::string> command;
32 if (kIsTargetBuild) {
33 std::string android_root(GetAndroidRoot());
34 command.push_back(android_root + "/bin/id");
35 } else {
36 command.push_back("/usr/bin/id");
37 }
38 std::string error_msg;
39 // Historical note: Running on Valgrind failed due to some memory
40 // that leaks in thread alternate signal stacks.
41 EXPECT_TRUE(Exec(command, &error_msg));
42 EXPECT_EQ(0U, error_msg.size()) << error_msg;
43 }
44
TEST_F(ExecUtilsTest,ExecError)45 TEST_F(ExecUtilsTest, ExecError) {
46 // This will lead to error messages in the log.
47 ScopedLogSeverity sls(LogSeverity::FATAL);
48
49 std::vector<std::string> command;
50 command.push_back("bogus");
51 std::string error_msg;
52 // Historical note: Running on Valgrind failed due to some memory
53 // that leaks in thread alternate signal stacks.
54 EXPECT_FALSE(Exec(command, &error_msg));
55 EXPECT_FALSE(error_msg.empty());
56 }
57
TEST_F(ExecUtilsTest,EnvSnapshotAdditionsAreNotVisible)58 TEST_F(ExecUtilsTest, EnvSnapshotAdditionsAreNotVisible) {
59 static constexpr const char* kModifiedVariable = "EXEC_SHOULD_NOT_EXPORT_THIS";
60 static constexpr int kOverwrite = 1;
61 // Set an variable in the current environment.
62 EXPECT_EQ(setenv(kModifiedVariable, "NEVER", kOverwrite), 0);
63 // Test that it is not exported.
64 std::vector<std::string> command;
65 if (kIsTargetBuild) {
66 std::string android_root(GetAndroidRoot());
67 command.push_back(android_root + "/bin/printenv");
68 } else {
69 command.push_back("/usr/bin/printenv");
70 }
71 command.push_back(kModifiedVariable);
72 std::string error_msg;
73 // Historical note: Running on Valgrind failed due to some memory
74 // that leaks in thread alternate signal stacks.
75 EXPECT_FALSE(Exec(command, &error_msg));
76 EXPECT_NE(0U, error_msg.size()) << error_msg;
77 }
78
TEST_F(ExecUtilsTest,EnvSnapshotDeletionsAreNotVisible)79 TEST_F(ExecUtilsTest, EnvSnapshotDeletionsAreNotVisible) {
80 static constexpr const char* kDeletedVariable = "PATH";
81 static constexpr int kOverwrite = 1;
82 // Save the variable's value.
83 const char* save_value = getenv(kDeletedVariable);
84 EXPECT_NE(save_value, nullptr);
85 // Delete the variable.
86 EXPECT_EQ(unsetenv(kDeletedVariable), 0);
87 // Test that it is not exported.
88 std::vector<std::string> command;
89 if (kIsTargetBuild) {
90 std::string android_root(GetAndroidRoot());
91 command.push_back(android_root + "/bin/printenv");
92 } else {
93 command.push_back("/usr/bin/printenv");
94 }
95 command.push_back(kDeletedVariable);
96 std::string error_msg;
97 // Historical note: Running on Valgrind failed due to some memory
98 // that leaks in thread alternate signal stacks.
99 EXPECT_TRUE(Exec(command, &error_msg));
100 EXPECT_EQ(0U, error_msg.size()) << error_msg;
101 // Restore the variable's value.
102 EXPECT_EQ(setenv(kDeletedVariable, save_value, kOverwrite), 0);
103 }
104
105 } // namespace art
106