libc/test/src/fcntl/creat_test.cpp

   1 //===-- Unittest for creat ------------------------------------------------===//
   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 "src/errno/libc_errno.h"
  10 #include "src/fcntl/creat.h"
  11 #include "src/fcntl/open.h"
  12 #include "src/unistd/close.h"
  13 #include "test/UnitTest/ErrnoSetterMatcher.h"
  14 #include "test/UnitTest/Test.h"
  15
  16 TEST(LlvmLibcCreatTest, CreatAndOpen) {
  17   using LIBC_NAMESPACE::testing::ErrnoSetterMatcher::Succeeds;
  18   constexpr const char *TEST_FILE = "testdata/creat.test";
  19   int fd = LIBC_NAMESPACE::creat(TEST_FILE, S_IRWXU);
  20   ASSERT_EQ(libc_errno, 0);
  21   ASSERT_GT(fd, 0);
  22   ASSERT_THAT(LIBC_NAMESPACE::close(fd), Succeeds(0));
  23
  24   fd = LIBC_NAMESPACE::open(TEST_FILE, O_RDONLY);
  25   ASSERT_EQ(libc_errno, 0);
  26   ASSERT_GT(fd, 0);
  27   ASSERT_THAT(LIBC_NAMESPACE::close(fd), Succeeds(0));
  28
  29   // TODO: 'remove' the test file at the end.
  30 }