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 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 if (!(RUNNING_ON_MEMORY_TOOL && kMemoryToolDetectsLeaks)) { 40 // Running on valgrind fails due to some memory that leaks in thread alternate signal stacks. 41 EXPECT_TRUE(Exec(command, &error_msg)); 42 } 43 EXPECT_EQ(0U, error_msg.size()) << error_msg; 44 } 45 46 TEST_F(ExecUtilsTest, ExecError) { 47 // This will lead to error messages in the log. 48 ScopedLogSeverity sls(LogSeverity::FATAL); 49 50 std::vector<std::string> command; 51 command.push_back("bogus"); 52 std::string error_msg; 53 if (!(RUNNING_ON_MEMORY_TOOL && kMemoryToolDetectsLeaks)) { 54 // Running on valgrind fails due to some memory that leaks in thread alternate signal stacks. 55 EXPECT_FALSE(Exec(command, &error_msg)); 56 EXPECT_FALSE(error_msg.empty()); 57 } 58 } 59 60 TEST_F(ExecUtilsTest, EnvSnapshotAdditionsAreNotVisible) { 61 static constexpr const char* kModifiedVariable = "EXEC_SHOULD_NOT_EXPORT_THIS"; 62 static constexpr int kOverwrite = 1; 63 // Set an variable in the current environment. 64 EXPECT_EQ(setenv(kModifiedVariable, "NEVER", kOverwrite), 0); 65 // Test that it is not exported. 66 std::vector<std::string> command; 67 if (kIsTargetBuild) { 68 std::string android_root(GetAndroidRoot()); 69 command.push_back(android_root + "/bin/printenv"); 70 } else { 71 command.push_back("/usr/bin/printenv"); 72 } 73 command.push_back(kModifiedVariable); 74 std::string error_msg; 75 if (!(RUNNING_ON_MEMORY_TOOL && kMemoryToolDetectsLeaks)) { 76 // Running on valgrind fails due to some memory that leaks in thread alternate signal stacks. 77 EXPECT_FALSE(Exec(command, &error_msg)); 78 EXPECT_NE(0U, error_msg.size()) << error_msg; 79 } 80 } 81 82 TEST_F(ExecUtilsTest, EnvSnapshotDeletionsAreNotVisible) { 83 static constexpr const char* kDeletedVariable = "PATH"; 84 static constexpr int kOverwrite = 1; 85 // Save the variable's value. 86 const char* save_value = getenv(kDeletedVariable); 87 EXPECT_NE(save_value, nullptr); 88 // Delete the variable. 89 EXPECT_EQ(unsetenv(kDeletedVariable), 0); 90 // Test that it is not exported. 91 std::vector<std::string> command; 92 if (kIsTargetBuild) { 93 std::string android_root(GetAndroidRoot()); 94 command.push_back(android_root + "/bin/printenv"); 95 } else { 96 command.push_back("/usr/bin/printenv"); 97 } 98 command.push_back(kDeletedVariable); 99 std::string error_msg; 100 if (!(RUNNING_ON_MEMORY_TOOL && kMemoryToolDetectsLeaks)) { 101 // Running on valgrind fails due to some memory that leaks in thread alternate signal stacks. 102 EXPECT_TRUE(Exec(command, &error_msg)); 103 EXPECT_EQ(0U, error_msg.size()) << error_msg; 104 } 105 // Restore the variable's value. 106 EXPECT_EQ(setenv(kDeletedVariable, save_value, kOverwrite), 0); 107 } 108 109 } // namespace art 110
