//===----------------------------------------------------------------------===//
#include "llvm/Support/CommandLine.h"
+#include "llvm/Support/FileSystem.h"
#include "llvm/Support/Path.h"
#include "llvm/Support/Program.h"
#include "gtest/gtest.h"
-
#include <stdlib.h>
+#if defined(__APPLE__)
+# include <crt_externs.h>
+#elif !defined(_MSC_VER)
+// Forward declare environ in case it's not provided by stdlib.h.
+extern char **environ;
+#endif
+
+#if defined(LLVM_ON_UNIX)
+#include <unistd.h>
+void sleep_for(unsigned int seconds) {
+ sleep(seconds);
+}
+#elif defined(LLVM_ON_WIN32)
+#include <windows.h>
+void sleep_for(unsigned int seconds) {
+ Sleep(seconds * 1000);
+}
+#else
+#error sleep_for is not implemented on your platform.
+#endif
+
+// From TestMain.cpp.
+extern const char *TestMainArgv0;
namespace {
static cl::opt<std::string>
ProgramTestStringArg2("program-test-string-arg2");
-static void CopyEnvironment(std::vector<const char *> out) {
- // environ appears to be pretty portable.
+static void CopyEnvironment(std::vector<const char *> &out) {
+#ifdef __APPLE__
+ char **envp = *_NSGetEnviron();
+#else
+ // environ seems to work for Windows and most other Unices.
char **envp = environ;
- while (*envp != 0) {
+#endif
+ while (*envp != nullptr) {
out.push_back(*envp);
++envp;
}
exit(1);
}
- // FIXME: Hardcoding argv0 here since I don't know a good cross-platform way
- // to get it. Maybe ParseCommandLineOptions() should save it?
- Path my_exe = Path::GetMainExecutable("SupportTests", &ProgramTestStringArg1);
+ std::string my_exe =
+ sys::fs::getMainExecutable(TestMainArgv0, &ProgramTestStringArg1);
const char *argv[] = {
my_exe.c_str(),
- "--gtest_filter=ProgramTest.CreateProcessTrailingSlashChild",
+ "--gtest_filter=ProgramTest.CreateProcessTrailingSlash",
"-program-test-string-arg1", "has\\\\ trailing\\",
"-program-test-string-arg2", "has\\\\ trailing\\",
- 0
+ nullptr
};
// Add LLVM_PROGRAM_TEST_CHILD to the environment of the child.
std::vector<const char *> envp;
CopyEnvironment(envp);
envp.push_back("LLVM_PROGRAM_TEST_CHILD=1");
- envp.push_back(0);
+ envp.push_back(nullptr);
std::string error;
bool ExecutionFailed;
// Redirect stdout and stdin to NUL, but let stderr through.
#ifdef LLVM_ON_WIN32
- Path nul("NUL");
+ StringRef nul("NUL");
#else
- Path nul("/dev/null");
+ StringRef nul("/dev/null");
#endif
- const Path *redirects[] = { &nul, &nul, 0 };
- int rc = Program::ExecuteAndWait(my_exe, argv, &envp[0], redirects,
- /*secondsToWait=*/10, /*memoryLimit=*/0,
- &error, &ExecutionFailed);
+ const StringRef *redirects[] = { &nul, &nul, nullptr };
+ int rc = ExecuteAndWait(my_exe, argv, &envp[0], redirects,
+ /*secondsToWait=*/ 10, /*memoryLimit=*/ 0, &error,
+ &ExecutionFailed);
EXPECT_FALSE(ExecutionFailed) << error;
EXPECT_EQ(0, rc);
}
+TEST(ProgramTest, TestExecuteNoWait) {
+ using namespace llvm::sys;
+
+ if (getenv("LLVM_PROGRAM_TEST_EXECUTE_NO_WAIT")) {
+ sleep_for(/*seconds*/ 1);
+ exit(0);
+ }
+
+ std::string Executable =
+ sys::fs::getMainExecutable(TestMainArgv0, &ProgramTestStringArg1);
+ const char *argv[] = {
+ Executable.c_str(),
+ "--gtest_filter=ProgramTest.TestExecuteNoWait",
+ nullptr
+ };
+
+ // Add LLVM_PROGRAM_TEST_EXECUTE_NO_WAIT to the environment of the child.
+ std::vector<const char *> envp;
+ CopyEnvironment(envp);
+ envp.push_back("LLVM_PROGRAM_TEST_EXECUTE_NO_WAIT=1");
+ envp.push_back(nullptr);
+
+ std::string Error;
+ bool ExecutionFailed;
+ ProcessInfo PI1 = ExecuteNoWait(Executable, argv, &envp[0], nullptr, 0,
+ &Error, &ExecutionFailed);
+ ASSERT_FALSE(ExecutionFailed) << Error;
+ ASSERT_NE(PI1.Pid, 0) << "Invalid process id";
+
+ unsigned LoopCount = 0;
+
+ // Test that Wait() with WaitUntilTerminates=true works. In this case,
+ // LoopCount should only be incremented once.
+ while (true) {
+ ++LoopCount;
+ ProcessInfo WaitResult = Wait(PI1, 0, true, &Error);
+ ASSERT_TRUE(Error.empty());
+ if (WaitResult.Pid == PI1.Pid)
+ break;
+ }
+
+ EXPECT_EQ(LoopCount, 1u) << "LoopCount should be 1";
+
+ ProcessInfo PI2 = ExecuteNoWait(Executable, argv, &envp[0], nullptr, 0,
+ &Error, &ExecutionFailed);
+ ASSERT_FALSE(ExecutionFailed) << Error;
+ ASSERT_NE(PI2.Pid, 0) << "Invalid process id";
+
+ // Test that Wait() with SecondsToWait=0 performs a non-blocking wait. In this
+ // cse, LoopCount should be greater than 1 (more than one increment occurs).
+ while (true) {
+ ++LoopCount;
+ ProcessInfo WaitResult = Wait(PI2, 0, false, &Error);
+ ASSERT_TRUE(Error.empty());
+ if (WaitResult.Pid == PI2.Pid)
+ break;
+ }
+
+ ASSERT_GT(LoopCount, 1u) << "LoopCount should be >1";
+}
+
+TEST(ProgramTest, TestExecuteAndWaitTimeout) {
+ using namespace llvm::sys;
+
+ if (getenv("LLVM_PROGRAM_TEST_TIMEOUT")) {
+ sleep_for(/*seconds*/ 10);
+ exit(0);
+ }
+
+ std::string Executable =
+ sys::fs::getMainExecutable(TestMainArgv0, &ProgramTestStringArg1);
+ const char *argv[] = {
+ Executable.c_str(),
+ "--gtest_filter=ProgramTest.TestExecuteAndWaitTimeout",
+ nullptr
+ };
+
+ // Add LLVM_PROGRAM_TEST_TIMEOUT to the environment of the child.
+ std::vector<const char *> envp;
+ CopyEnvironment(envp);
+ envp.push_back("LLVM_PROGRAM_TEST_TIMEOUT=1");
+ envp.push_back(nullptr);
+
+ std::string Error;
+ bool ExecutionFailed;
+ int RetCode =
+ ExecuteAndWait(Executable, argv, &envp[0], nullptr, /*secondsToWait=*/1, 0,
+ &Error, &ExecutionFailed);
+ ASSERT_EQ(-2, RetCode);
+}
+
+TEST(ProgramTest, TestExecuteNegative) {
+ std::string Executable = "i_dont_exist";
+ const char *argv[] = { Executable.c_str(), nullptr };
+
+ {
+ std::string Error;
+ bool ExecutionFailed;
+ int RetCode = ExecuteAndWait(Executable, argv, nullptr, nullptr, 0, 0,
+ &Error, &ExecutionFailed);
+ ASSERT_TRUE(RetCode < 0) << "On error ExecuteAndWait should return 0 or "
+ "positive value indicating the result code";
+ ASSERT_TRUE(ExecutionFailed);
+ ASSERT_FALSE(Error.empty());
+ }
+
+ {
+ std::string Error;
+ bool ExecutionFailed;
+ ProcessInfo PI = ExecuteNoWait(Executable, argv, nullptr, nullptr, 0,
+ &Error, &ExecutionFailed);
+ ASSERT_EQ(PI.Pid, 0)
+ << "On error ExecuteNoWait should return an invalid ProcessInfo";
+ ASSERT_TRUE(ExecutionFailed);
+ ASSERT_FALSE(Error.empty());
+ }
+
+}
+
} // end anonymous namespace
projects / oota-llvm.git / blobdiff