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/*
* Copyright (C) 2011 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "exec_utils.h"
#include "android-base/stringprintf.h"
#include "base/file_utils.h"
#include "base/memory_tool.h"
#include "common_runtime_test.h"
namespace art {
std::string PrettyArguments(const char* signature);
std::string PrettyReturnType(const char* signature);
class ExecUtilsTest : public CommonRuntimeTest {};
TEST_F(ExecUtilsTest, ExecSuccess) {
std::vector<std::string> command;
if (kIsTargetBuild) {
std::string android_root(GetAndroidRoot());
command.push_back(android_root + "/bin/id");
} else {
command.push_back("/usr/bin/id");
}
std::string error_msg;
// Historical note: Running on Valgrind failed due to some memory
// that leaks in thread alternate signal stacks.
EXPECT_TRUE(Exec(command, &error_msg));
EXPECT_EQ(0U, error_msg.size()) << error_msg;
}
TEST_F(ExecUtilsTest, ExecError) {
// This will lead to error messages in the log.
ScopedLogSeverity sls(LogSeverity::FATAL);
std::vector<std::string> command;
command.push_back("bogus");
std::string error_msg;
// Historical note: Running on Valgrind failed due to some memory
// that leaks in thread alternate signal stacks.
EXPECT_FALSE(Exec(command, &error_msg));
EXPECT_FALSE(error_msg.empty());
}
TEST_F(ExecUtilsTest, EnvSnapshotAdditionsAreNotVisible) {
static constexpr const char* kModifiedVariable = "EXEC_SHOULD_NOT_EXPORT_THIS";
static constexpr int kOverwrite = 1;
// Set an variable in the current environment.
EXPECT_EQ(setenv(kModifiedVariable, "NEVER", kOverwrite), 0);
// Test that it is not exported.
std::vector<std::string> command;
if (kIsTargetBuild) {
std::string android_root(GetAndroidRoot());
command.push_back(android_root + "/bin/printenv");
} else {
command.push_back("/usr/bin/printenv");
}
command.push_back(kModifiedVariable);
std::string error_msg;
// Historical note: Running on Valgrind failed due to some memory
// that leaks in thread alternate signal stacks.
EXPECT_FALSE(Exec(command, &error_msg));
EXPECT_NE(0U, error_msg.size()) << error_msg;
}
TEST_F(ExecUtilsTest, EnvSnapshotDeletionsAreNotVisible) {
static constexpr const char* kDeletedVariable = "PATH";
static constexpr int kOverwrite = 1;
// Save the variable's value.
const char* save_value = getenv(kDeletedVariable);
EXPECT_NE(save_value, nullptr);
// Delete the variable.
EXPECT_EQ(unsetenv(kDeletedVariable), 0);
// Test that it is not exported.
std::vector<std::string> command;
if (kIsTargetBuild) {
std::string android_root(GetAndroidRoot());
command.push_back(android_root + "/bin/printenv");
} else {
command.push_back("/usr/bin/printenv");
}
command.push_back(kDeletedVariable);
std::string error_msg;
// Historical note: Running on Valgrind failed due to some memory
// that leaks in thread alternate signal stacks.
EXPECT_TRUE(Exec(command, &error_msg));
EXPECT_EQ(0U, error_msg.size()) << error_msg;
// Restore the variable's value.
EXPECT_EQ(setenv(kDeletedVariable, save_value, kOverwrite), 0);
}
static std::vector<std::string> SleepCommand(int sleep_seconds) {
std::vector<std::string> command;
if (kIsTargetBuild) {
command.push_back(GetAndroidRoot() + "/bin/sleep");
} else {
command.push_back("/bin/sleep");
}
command.push_back(android::base::StringPrintf("%d", sleep_seconds));
return command;
}
TEST_F(ExecUtilsTest, ExecTimeout) {
static constexpr int kSleepSeconds = 5;
static constexpr int kWaitSeconds = 1;
std::vector<std::string> command = SleepCommand(kSleepSeconds);
std::string error_msg;
bool timed_out;
ASSERT_EQ(ExecAndReturnCode(command, kWaitSeconds, &timed_out, &error_msg), -1);
EXPECT_TRUE(timed_out);
}
TEST_F(ExecUtilsTest, ExecNoTimeout) {
static constexpr int kSleepSeconds = 1;
static constexpr int kWaitSeconds = 5;
std::vector<std::string> command = SleepCommand(kSleepSeconds);
std::string error_msg;
bool timed_out;
ASSERT_EQ(ExecAndReturnCode(command, kWaitSeconds, &timed_out, &error_msg), 0);
EXPECT_FALSE(timed_out);
}
} // namespace art
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