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Diffstat (limited to 'unittests/Support/ProgramTest.cpp')
-rw-r--r-- | unittests/Support/ProgramTest.cpp | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/unittests/Support/ProgramTest.cpp b/unittests/Support/ProgramTest.cpp new file mode 100644 index 0000000..6cbb054 --- /dev/null +++ b/unittests/Support/ProgramTest.cpp @@ -0,0 +1,89 @@ +//===- 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> +#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 + 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 |