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/fcntl/open.h"
  10 #include "src/unistd/close.h"
  11 #include "src/unistd/unlink.h"
  12 #include "test/ErrnoSetterMatcher.h"
  13 #include "test/UnitTest/Test.h"
  14 #include "utils/testutils/FDReader.h"
  15
  16 #include <errno.h>
  17
  18 TEST(LlvmLibcUnlinkTest, CreateAndUnlink) {
  19   using __llvm_libc::testing::ErrnoSetterMatcher::Succeeds;
  20   constexpr const char *TEST_FILE = "testdata/unlink.test";
  21   int write_fd = __llvm_libc::open(TEST_FILE, O_WRONLY | O_CREAT, S_IRWXU);
  22   ASSERT_EQ(errno, 0);
  23   ASSERT_GT(write_fd, 0);
  24   ASSERT_THAT(__llvm_libc::close(write_fd), Succeeds(0));
  25   ASSERT_THAT(__llvm_libc::unlink(TEST_FILE), Succeeds(0));
  26 }
  27
  28 TEST(LlvmLibcUnlinkTest, UnlinkNonExistentFile) {
  29   using __llvm_libc::testing::ErrnoSetterMatcher::Fails;
  30   ASSERT_THAT(__llvm_libc::unlink("testdata/non-existent-file"), Fails(ENOENT));
  31 }