libc/test/src/unistd/unlink_test.cpp

   1 //===-- Unittests for unlink ----------------------------------------------===//
   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/open.h"
  11 #include "src/unistd/close.h"
  12 #include "src/unistd/unlink.h"
  13 #include "test/UnitTest/ErrnoSetterMatcher.h"
  14 #include "test/UnitTest/Test.h"
  15
  16 TEST(LlvmLibcUnlinkTest, CreateAndUnlink) {
  17   using LIBC_NAMESPACE::testing::ErrnoSetterMatcher::Succeeds;
  18   constexpr const char *TEST_FILE = "testdata/unlink.test";
  19   int write_fd = LIBC_NAMESPACE::open(TEST_FILE, O_WRONLY | O_CREAT, S_IRWXU);
  20   ASSERT_EQ(libc_errno, 0);
  21   ASSERT_GT(write_fd, 0);
  22   ASSERT_THAT(LIBC_NAMESPACE::close(write_fd), Succeeds(0));
  23   ASSERT_THAT(LIBC_NAMESPACE::unlink(TEST_FILE), Succeeds(0));
  24 }
  25
  26 TEST(LlvmLibcUnlinkTest, UnlinkNonExistentFile) {
  27   using LIBC_NAMESPACE::testing::ErrnoSetterMatcher::Fails;
  28   ASSERT_THAT(LIBC_NAMESPACE::unlink("testdata/non-existent-file"),
  29               Fails(ENOENT));
  30 }