//
//===----------------------------------------------------------------------===//
+#include "llvm/Support/ConvertUTF.h"
#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
+
+#define ASSERT_NO_ERROR(x) \
+ if (std::error_code ASSERT_NO_ERROR_ec = x) { \
+ SmallString<128> MessageStorage; \
+ raw_svector_ostream Message(MessageStorage); \
+ Message << #x ": did not return errc::success.\n" \
+ << "error number: " << ASSERT_NO_ERROR_ec.value() << "\n" \
+ << "error message: " << ASSERT_NO_ERROR_ec.message() << "\n"; \
+ GTEST_FATAL_FAILURE_(MessageStorage.c_str()); \
+ } else { \
+ }
+// 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.
- char **envp = environ;
- while (*envp != 0) {
- out.push_back(*envp);
- ++envp;
+class ProgramEnvTest : public testing::Test {
+ std::vector<const char *> EnvTable;
+ std::vector<std::string> EnvStorage;
+
+protected:
+ void SetUp() override {
+ auto EnvP = [] {
+#if defined(LLVM_ON_WIN32)
+ _wgetenv(L"TMP"); // Populate _wenviron, initially is null
+ return _wenviron;
+#elif defined(__APPLE__)
+ return *_NSGetEnviron();
+#else
+ return environ;
+#endif
+ }();
+ ASSERT_TRUE(EnvP);
+
+ auto prepareEnvVar = [this](decltype(*EnvP) Var) {
+#if defined(LLVM_ON_WIN32)
+ // On Windows convert UTF16 encoded variable to UTF8
+ auto Len = wcslen(Var);
+ ArrayRef<char> Ref{reinterpret_cast<char const *>(Var),
+ Len * sizeof(*Var)};
+ EnvStorage.emplace_back();
+ auto convStatus = convertUTF16ToUTF8String(Ref, EnvStorage.back());
+ EXPECT_TRUE(convStatus);
+ return EnvStorage.back().c_str();
+#else
+ return Var;
+#endif
+ };
+
+ while (*EnvP != nullptr) {
+ EnvTable.emplace_back(prepareEnvVar(*EnvP));
+ ++EnvP;
+ }
}
+
+ void TearDown() override {
+ EnvTable.clear();
+ EnvStorage.clear();
+ }
+
+ void addEnvVar(const char *Var) {
+ ASSERT_TRUE(EnvTable.empty() || EnvTable.back()) << "Env table sealed";
+ EnvTable.emplace_back(Var);
+ }
+
+ const char **getEnviron() {
+ if (EnvTable.back() != nullptr)
+ EnvTable.emplace_back(nullptr); // Seal table.
+ return &EnvTable[0];
+ }
+};
+
+#ifdef LLVM_ON_WIN32
+TEST_F(ProgramEnvTest, CreateProcessLongPath) {
+ if (getenv("LLVM_PROGRAM_TEST_LONG_PATH"))
+ exit(0);
+
+ // getMainExecutable returns an absolute path; prepend the long-path prefix.
+ std::string MyAbsExe =
+ sys::fs::getMainExecutable(TestMainArgv0, &ProgramTestStringArg1);
+ std::string MyExe;
+ if (!StringRef(MyAbsExe).startswith("\\\\?\\"))
+ MyExe.append("\\\\?\\");
+ MyExe.append(MyAbsExe);
+
+ const char *ArgV[] = {
+ MyExe.c_str(),
+ "--gtest_filter=ProgramEnvTest.CreateProcessLongPath",
+ nullptr
+ };
+
+ // Add LLVM_PROGRAM_TEST_LONG_PATH to the environment of the child.
+ addEnvVar("LLVM_PROGRAM_TEST_LONG_PATH=1");
+
+ // Redirect stdout to a long path.
+ SmallString<128> TestDirectory;
+ ASSERT_NO_ERROR(
+ fs::createUniqueDirectory("program-redirect-test", TestDirectory));
+ SmallString<256> LongPath(TestDirectory);
+ LongPath.push_back('\\');
+ // MAX_PATH = 260
+ LongPath.append(260 - TestDirectory.size(), 'a');
+ StringRef LongPathRef(LongPath);
+
+ std::string Error;
+ bool ExecutionFailed;
+ const StringRef *Redirects[] = { nullptr, &LongPathRef, nullptr };
+ int RC = ExecuteAndWait(MyExe, ArgV, getEnviron(), Redirects,
+ /*secondsToWait=*/ 10, /*memoryLimit=*/ 0, &Error,
+ &ExecutionFailed);
+ EXPECT_FALSE(ExecutionFailed) << Error;
+ EXPECT_EQ(0, RC);
+
+ // Remove the long stdout.
+ ASSERT_NO_ERROR(fs::remove(Twine(LongPath)));
+ ASSERT_NO_ERROR(fs::remove(Twine(TestDirectory)));
}
+#endif
-TEST(ProgramTest, CreateProcessTrailingSlash) {
+TEST_F(ProgramEnvTest, CreateProcessTrailingSlash) {
if (getenv("LLVM_PROGRAM_TEST_CHILD")) {
if (ProgramTestStringArg1 == "has\\\\ trailing\\" &&
ProgramTestStringArg2 == "has\\\\ trailing\\") {
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=ProgramEnvTest.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);
+ addEnvVar("LLVM_PROGRAM_TEST_CHILD=1");
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, getEnviron(), redirects,
+ /*secondsToWait=*/ 10, /*memoryLimit=*/ 0, &error,
+ &ExecutionFailed);
EXPECT_FALSE(ExecutionFailed) << error;
EXPECT_EQ(0, rc);
}
+TEST_F(ProgramEnvTest, 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=ProgramEnvTest.TestExecuteNoWait",
+ nullptr
+ };
+
+ // Add LLVM_PROGRAM_TEST_EXECUTE_NO_WAIT to the environment of the child.
+ addEnvVar("LLVM_PROGRAM_TEST_EXECUTE_NO_WAIT=1");
+
+ std::string Error;
+ bool ExecutionFailed;
+ ProcessInfo PI1 = ExecuteNoWait(Executable, argv, getEnviron(), 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, getEnviron(), 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_F(ProgramEnvTest, 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=ProgramEnvTest.TestExecuteAndWaitTimeout",
+ nullptr
+ };
+
+ // Add LLVM_PROGRAM_TEST_TIMEOUT to the environment of the child.
+ addEnvVar("LLVM_PROGRAM_TEST_TIMEOUT=1");
+
+ std::string Error;
+ bool ExecutionFailed;
+ int RetCode =
+ ExecuteAndWait(Executable, argv, getEnviron(), 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());
+ }
+
+}
+
+#ifdef LLVM_ON_WIN32
+const char utf16le_text[] =
+ "\x6c\x00\x69\x00\x6e\x00\x67\x00\xfc\x00\x69\x00\xe7\x00\x61\x00";
+const char utf16be_text[] =
+ "\x00\x6c\x00\x69\x00\x6e\x00\x67\x00\xfc\x00\x69\x00\xe7\x00\x61";
+#endif
+const char utf8_text[] = "\x6c\x69\x6e\x67\xc3\xbc\x69\xc3\xa7\x61";
+
+TEST(ProgramTest, TestWriteWithSystemEncoding) {
+ SmallString<128> TestDirectory;
+ ASSERT_NO_ERROR(fs::createUniqueDirectory("program-test", TestDirectory));
+ errs() << "Test Directory: " << TestDirectory << '\n';
+ errs().flush();
+ SmallString<128> file_pathname(TestDirectory);
+ path::append(file_pathname, "international-file.txt");
+ // Only on Windows we should encode in UTF16. For other systems, use UTF8
+ ASSERT_NO_ERROR(sys::writeFileWithEncoding(file_pathname.c_str(), utf8_text,
+ sys::WEM_UTF16));
+ int fd = 0;
+ ASSERT_NO_ERROR(fs::openFileForRead(file_pathname.c_str(), fd));
+#if defined(LLVM_ON_WIN32)
+ char buf[18];
+ ASSERT_EQ(::read(fd, buf, 18), 18);
+ if (strncmp(buf, "\xfe\xff", 2) == 0) { // UTF16-BE
+ ASSERT_EQ(strncmp(&buf[2], utf16be_text, 16), 0);
+ } else if (strncmp(buf, "\xff\xfe", 2) == 0) { // UTF16-LE
+ ASSERT_EQ(strncmp(&buf[2], utf16le_text, 16), 0);
+ } else {
+ FAIL() << "Invalid BOM in UTF-16 file";
+ }
+#else
+ char buf[10];
+ ASSERT_EQ(::read(fd, buf, 10), 10);
+ ASSERT_EQ(strncmp(buf, utf8_text, 10), 0);
+#endif
+ ::close(fd);
+ ASSERT_NO_ERROR(fs::remove(file_pathname.str()));
+ ASSERT_NO_ERROR(fs::remove(TestDirectory.str()));
+}
+
} // end anonymous namespace
projects / oota-llvm.git / blobdiff