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//===- 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/Program.h"
#include "gtest/gtest.h"
#include <stdlib.h>
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) {
// environ appears to be pretty portable.
char **envp = environ;
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);
}
// 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);
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
Path nul("NUL");
#else
Path 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);
EXPECT_FALSE(ExecutionFailed) << error;
EXPECT_EQ(0, rc);
}
} // end anonymous namespace
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