llvm-6502/unittests/Support/ProgramTest.cpp
Rafael Espindola 675e0ac0bf Avoid using PathV1.h in Program.h.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183940 91177308-0d34-0410-b5e6-96231b3b80d8
2013-06-13 20:25:38 +00:00

91 lines
2.5 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/CommandLine.h"
#include "llvm/Support/Path.h"
#include "llvm/Support/PathV1.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
// 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");
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;
#endif
while (*envp != 0) {
out.push_back(*envp);
++envp;
}
}
TEST(ProgramTest, 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);
}
Path my_exe = Path::GetMainExecutable(TestMainArgv0, &ProgramTestStringArg1);
const char *argv[] = {
my_exe.c_str(),
"--gtest_filter=ProgramTest.CreateProcessTrailingSlashChild",
"-program-test-string-arg1", "has\\\\ trailing\\",
"-program-test-string-arg2", "has\\\\ trailing\\",
0
};
// 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);
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, 0 };
int rc = ExecuteAndWait(my_exe.str(), argv, &envp[0], redirects,
/*secondsToWait=*/ 10, /*memoryLimit=*/ 0, &error,
&ExecutionFailed);
EXPECT_FALSE(ExecutionFailed) << error;
EXPECT_EQ(0, rc);
}
} // end anonymous namespace