mirror of
https://github.com/RPCSX/llvm.git
synced 2024-11-24 12:19:53 +00:00
2707ee3256
This reverts commit r265454 since it broke the build. E.g.: http://lab.llvm.org:8080/green/job/clang-stage1-cmake-RA-incremental_build/22413/ git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@265459 91177308-0d34-0410-b5e6-96231b3b80d8
356 lines
11 KiB
C++
356 lines
11 KiB
C++
//===- unittest/Support/ProgramTest.cpp -----------------------------------===//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file is distributed under the University of Illinois Open Source
|
|
// License. See LICENSE.TXT for details.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#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 {
|
|
|
|
using namespace llvm;
|
|
using namespace sys;
|
|
|
|
static cl::opt<std::string>
|
|
ProgramTestStringArg1("program-test-string-arg1");
|
|
static cl::opt<std::string>
|
|
ProgramTestStringArg2("program-test-string-arg2");
|
|
|
|
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_F(ProgramEnvTest, CreateProcessTrailingSlash) {
|
|
if (getenv("LLVM_PROGRAM_TEST_CHILD")) {
|
|
if (ProgramTestStringArg1 == "has\\\\ trailing\\" &&
|
|
ProgramTestStringArg2 == "has\\\\ trailing\\") {
|
|
exit(0); // Success! The arguments were passed and parsed.
|
|
}
|
|
exit(1);
|
|
}
|
|
|
|
std::string my_exe =
|
|
sys::fs::getMainExecutable(TestMainArgv0, &ProgramTestStringArg1);
|
|
const char *argv[] = {
|
|
my_exe.c_str(),
|
|
"--gtest_filter=ProgramEnvTest.CreateProcessTrailingSlash",
|
|
"-program-test-string-arg1", "has\\\\ trailing\\",
|
|
"-program-test-string-arg2", "has\\\\ trailing\\",
|
|
nullptr
|
|
};
|
|
|
|
// Add LLVM_PROGRAM_TEST_CHILD to the environment of the child.
|
|
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
|
|
StringRef nul("NUL");
|
|
#else
|
|
StringRef nul("/dev/null");
|
|
#endif
|
|
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, ProcessInfo::InvalidPid) << "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, ProcessInfo::InvalidPid) << "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, ProcessInfo::InvalidPid)
|
|
<< "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
|