93 lines
2.0 KiB
C++
93 lines
2.0 KiB
C++
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// Copyright (c) 2012 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include "base/files/dir_reader_posix.h"
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#include <fcntl.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include "base/logging.h"
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#include "testing/gtest/include/gtest/gtest.h"
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#if defined(OS_ANDROID)
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#include "base/os_compat_android.h"
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#endif
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namespace base {
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TEST(DirReaderPosixUnittest, Read) {
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static const unsigned kNumFiles = 100;
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if (DirReaderPosix::IsFallback())
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return;
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char kDirTemplate[] = "/tmp/org.chromium.dir-reader-posix-XXXXXX";
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const char* dir = mkdtemp(kDirTemplate);
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ASSERT_TRUE(dir);
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const int prev_wd = open(".", O_RDONLY | O_DIRECTORY);
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DCHECK_GE(prev_wd, 0);
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PCHECK(chdir(dir) == 0);
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for (unsigned i = 0; i < kNumFiles; i++) {
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char buf[16];
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snprintf(buf, sizeof(buf), "%d", i);
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const int fd = open(buf, O_CREAT | O_RDONLY | O_EXCL, 0600);
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PCHECK(fd >= 0);
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PCHECK(close(fd) == 0);
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}
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std::set<unsigned> seen;
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DirReaderPosix reader(dir);
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EXPECT_TRUE(reader.IsValid());
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if (!reader.IsValid())
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return;
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bool seen_dot = false, seen_dotdot = false;
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for (; reader.Next(); ) {
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if (strcmp(reader.name(), ".") == 0) {
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seen_dot = true;
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continue;
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}
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if (strcmp(reader.name(), "..") == 0) {
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seen_dotdot = true;
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continue;
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}
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SCOPED_TRACE(testing::Message() << "reader.name(): " << reader.name());
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char *endptr;
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const unsigned long value = strtoul(reader.name(), &endptr, 10);
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EXPECT_FALSE(*endptr);
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EXPECT_LT(value, kNumFiles);
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EXPECT_EQ(0u, seen.count(value));
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seen.insert(value);
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}
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for (unsigned i = 0; i < kNumFiles; i++) {
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char buf[16];
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snprintf(buf, sizeof(buf), "%d", i);
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PCHECK(unlink(buf) == 0);
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}
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PCHECK(rmdir(dir) == 0);
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PCHECK(fchdir(prev_wd) == 0);
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PCHECK(close(prev_wd) == 0);
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EXPECT_TRUE(seen_dot);
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EXPECT_TRUE(seen_dotdot);
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EXPECT_EQ(kNumFiles, seen.size());
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}
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} // namespace base
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