1 //===- unittest/Support/ProgramTest.cpp -----------------------------------===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is distributed under the University of Illinois Open Source 6 // License. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 10 #include "llvm/Support/CommandLine.h" 11 #include "llvm/Support/Path.h" 12 #include "llvm/Support/Program.h" 13 #include "gtest/gtest.h" 14 15 #include <stdlib.h> 16 17 namespace { 18 19 using namespace llvm; 20 using namespace sys; 21 22 static cl::opt<std::string> 23 ProgramTestStringArg1("program-test-string-arg1"); 24 static cl::opt<std::string> 25 ProgramTestStringArg2("program-test-string-arg2"); 26 27 TEST(ProgramTest, CreateProcessTrailingSlash) { 28 if (getenv("LLVM_PROGRAM_TEST_CHILD")) { 29 if (ProgramTestStringArg1 == "has\\\\ trailing\\" && 30 ProgramTestStringArg2 == "has\\\\ trailing\\") { 31 exit(0); // Success! The arguments were passed and parsed. 32 } 33 exit(1); 34 } 35 36 // FIXME: Hardcoding argv0 here since I don't know a good cross-platform way 37 // to get it. Maybe ParseCommandLineOptions() should save it? 38 Path my_exe = Path::GetMainExecutable("SupportTests", &ProgramTestStringArg1); 39 const char *argv[] = { 40 my_exe.c_str(), 41 "--gtest_filter=ProgramTest.CreateProcessTrailingSlashChild", 42 "-program-test-string-arg1", "has\\\\ trailing\\", 43 "-program-test-string-arg2", "has\\\\ trailing\\", 44 0 45 }; 46 const char *envp[] = { "LLVM_PROGRAM_TEST_CHILD=1", 0 }; 47 std::string error; 48 bool ExecutionFailed; 49 // Redirect stdout and stdin to NUL, but let stderr through. 50 #ifdef LLVM_ON_WIN32 51 Path nul("NUL"); 52 #else 53 Path nul("/dev/null"); 54 #endif 55 const Path *redirects[] = { &nul, &nul, 0 }; 56 int rc = Program::ExecuteAndWait(my_exe, argv, envp, redirects, 57 /*secondsToWait=*/10, /*memoryLimit=*/0, 58 &error, &ExecutionFailed); 59 EXPECT_FALSE(ExecutionFailed) << error; 60 EXPECT_EQ(0, rc); 61 } 62 63 } // end anonymous namespace 64