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127 行
4.1 KiB
127 行
4.1 KiB
// Copyright (c) 2011 The LevelDB 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. See the AUTHORS file for names of contributors.
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#include "db/filename.h"
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#include "gtest/gtest.h"
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#include "db/dbformat.h"
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#include "port/port.h"
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#include "util/logging.h"
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namespace leveldb {
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TEST(FileNameTest, Parse) {
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Slice db;
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FileType type;
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uint64_t number;
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// Successful parses
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static struct {
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const char* fname;
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uint64_t number;
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FileType type;
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} cases[] = {
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{"100.log", 100, kLogFile},
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{"0.log", 0, kLogFile},
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{"0.sst", 0, kTableFile},
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{"0.ldb", 0, kTableFile},
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{"CURRENT", 0, kCurrentFile},
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{"LOCK", 0, kDBLockFile},
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{"MANIFEST-2", 2, kDescriptorFile},
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{"MANIFEST-7", 7, kDescriptorFile},
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{"LOG", 0, kInfoLogFile},
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{"LOG.old", 0, kInfoLogFile},
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{"18446744073709551615.log", 18446744073709551615ull, kLogFile},
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};
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for (int i = 0; i < sizeof(cases) / sizeof(cases[0]); i++) {
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std::string f = cases[i].fname;
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ASSERT_TRUE(ParseFileName(f, &number, &type)) << f;
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ASSERT_EQ(cases[i].type, type) << f;
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ASSERT_EQ(cases[i].number, number) << f;
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}
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// Errors
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static const char* errors[] = {"",
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"foo",
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"foo-dx-100.log",
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".log",
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"",
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"manifest",
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"CURREN",
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"CURRENTX",
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"MANIFES",
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"MANIFEST",
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"MANIFEST-",
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"XMANIFEST-3",
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"MANIFEST-3x",
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"LOC",
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"LOCKx",
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"LO",
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"LOGx",
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"18446744073709551616.log",
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"184467440737095516150.log",
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"100",
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"100.",
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"100.lop"};
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for (int i = 0; i < sizeof(errors) / sizeof(errors[0]); i++) {
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std::string f = errors[i];
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ASSERT_TRUE(!ParseFileName(f, &number, &type)) << f;
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}
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}
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TEST(FileNameTest, Construction) {
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uint64_t number;
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FileType type;
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std::string fname;
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fname = CurrentFileName("foo");
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ASSERT_EQ("foo/", std::string(fname.data(), 4));
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ASSERT_TRUE(ParseFileName(fname.c_str() + 4, &number, &type));
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ASSERT_EQ(0, number);
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ASSERT_EQ(kCurrentFile, type);
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fname = LockFileName("foo");
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ASSERT_EQ("foo/", std::string(fname.data(), 4));
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ASSERT_TRUE(ParseFileName(fname.c_str() + 4, &number, &type));
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ASSERT_EQ(0, number);
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ASSERT_EQ(kDBLockFile, type);
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fname = LogFileName("foo", 192);
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ASSERT_EQ("foo/", std::string(fname.data(), 4));
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ASSERT_TRUE(ParseFileName(fname.c_str() + 4, &number, &type));
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ASSERT_EQ(192, number);
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ASSERT_EQ(kLogFile, type);
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fname = TableFileName("bar", 200);
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ASSERT_EQ("bar/", std::string(fname.data(), 4));
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ASSERT_TRUE(ParseFileName(fname.c_str() + 4, &number, &type));
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ASSERT_EQ(200, number);
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ASSERT_EQ(kTableFile, type);
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fname = DescriptorFileName("bar", 100);
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ASSERT_EQ("bar/", std::string(fname.data(), 4));
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ASSERT_TRUE(ParseFileName(fname.c_str() + 4, &number, &type));
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ASSERT_EQ(100, number);
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ASSERT_EQ(kDescriptorFile, type);
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fname = TempFileName("tmp", 999);
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ASSERT_EQ("tmp/", std::string(fname.data(), 4));
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ASSERT_TRUE(ParseFileName(fname.c_str() + 4, &number, &type));
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ASSERT_EQ(999, number);
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ASSERT_EQ(kTempFile, type);
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fname = InfoLogFileName("foo");
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ASSERT_EQ("foo/", std::string(fname.data(), 4));
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ASSERT_TRUE(ParseFileName(fname.c_str() + 4, &number, &type));
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ASSERT_EQ(0, number);
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ASSERT_EQ(kInfoLogFile, type);
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fname = OldInfoLogFileName("foo");
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ASSERT_EQ("foo/", std::string(fname.data(), 4));
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ASSERT_TRUE(ParseFileName(fname.c_str() + 4, &number, &type));
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ASSERT_EQ(0, number);
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ASSERT_EQ(kInfoLogFile, type);
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}
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} // namespace leveldb
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