lldb/unittests/Host/FileTest.cpp

   1 //===-- FileTest.cpp ------------------------------------------------------===//
   2 //
   3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   4 // See https://llvm.org/LICENSE.txt for license information.
   5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   6 //
   7 //===----------------------------------------------------------------------===//
   8
   9 #include "lldb/Host/File.h"
  10 #include "llvm/ADT/SmallString.h"
  11 #include "llvm/Support/FileSystem.h"
  12 #include "llvm/Support/FileUtilities.h"
  13 #include "llvm/Support/Path.h"
  14 #include "llvm/Support/Program.h"
  15 #include "gtest/gtest.h"
  16
  17 using namespace lldb;
  18 using namespace lldb_private;
  19
  20 TEST(File, GetWaitableHandleFileno) {
  21   const auto *Info = testing::UnitTest::GetInstance()->current_test_info();
  22
  23   llvm::SmallString<128> name;
  24   int fd;
  25   llvm::sys::fs::createTemporaryFile(llvm::Twine(Info->test_case_name()) + "-" +
  26                                          Info->name(),
  27                                      "test", fd, name);
  28   llvm::FileRemover remover(name);
  29   ASSERT_GE(fd, 0);
  30
  31   FILE *stream = fdopen(fd, "r");
  32   ASSERT_TRUE(stream);
  33
  34   NativeFile file(stream, true);
  35   EXPECT_EQ(file.GetWaitableHandle(), fd);
  36 }
  37
  38 TEST(File, GetStreamFromDescriptor) {
  39   const auto *Info = testing::UnitTest::GetInstance()->current_test_info();
  40   llvm::SmallString<128> name;
  41   int fd;
  42   llvm::sys::fs::createTemporaryFile(llvm::Twine(Info->test_case_name()) + "-" +
  43                                          Info->name(),
  44                                      "test", fd, name);
  45
  46   llvm::FileRemover remover(name);
  47   ASSERT_GE(fd, 0);
  48
  49   NativeFile file(fd, File::eOpenOptionWriteOnly, true);
  50   ASSERT_TRUE(file.IsValid());
  51
  52   FILE *stream = file.GetStream();
  53   ASSERT_TRUE(stream != NULL);
  54
  55   EXPECT_EQ(file.GetDescriptor(), fd);
  56   EXPECT_EQ(file.GetWaitableHandle(), fd);
  57 }