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138 行
4.6 KiB
138 行
4.6 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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#ifndef STORAGE_LEVELDB_UTIL_TESTHARNESS_H_
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#define STORAGE_LEVELDB_UTIL_TESTHARNESS_H_
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#include <stdio.h>
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#include <stdlib.h>
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#include <sstream>
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#include "leveldb/env.h"
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#include "leveldb/slice.h"
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#include "util/random.h"
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namespace leveldb {
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namespace test {
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// Run some of the tests registered by the TEST() macro. If the
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// environment variable "LEVELDB_TESTS" is not set, runs all tests.
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// Otherwise, runs only the tests whose name contains the value of
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// "LEVELDB_TESTS" as a substring. E.g., suppose the tests are:
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// TEST(Foo, Hello) { ... }
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// TEST(Foo, World) { ... }
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// LEVELDB_TESTS=Hello will run the first test
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// LEVELDB_TESTS=o will run both tests
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// LEVELDB_TESTS=Junk will run no tests
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//
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// Returns 0 if all tests pass.
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// Dies or returns a non-zero value if some test fails.
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extern int RunAllTests();
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// Return the directory to use for temporary storage.
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extern std::string TmpDir();
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// Return a randomization seed for this run. Typically returns the
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// same number on repeated invocations of this binary, but automated
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// runs may be able to vary the seed.
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extern int RandomSeed();
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// An instance of Tester is allocated to hold temporary state during
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// the execution of an assertion.
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class Tester {
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private:
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bool ok_;
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const char* fname_;
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int line_;
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std::stringstream ss_;
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public:
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Tester(const char* f, int l)
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: ok_(true), fname_(f), line_(l) {
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}
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~Tester() {
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if (!ok_) {
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fprintf(stderr, "%s:%d:%s\n", fname_, line_, ss_.str().c_str());
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exit(1);
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}
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}
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Tester& Is(bool b, const char* msg) {
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if (!b) {
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ss_ << " Assertion failure " << msg;
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ok_ = false;
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}
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return *this;
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}
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Tester& IsOk(const Status& s) {
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if (!s.ok()) {
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ss_ << " " << s.ToString();
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ok_ = false;
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}
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return *this;
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}
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#define BINARY_OP(name,op) \
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template <class X, class Y> \
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Tester& name(const X& x, const Y& y) { \
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if (! (x op y)) { \
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ss_ << " failed: " << x << (" " #op " ") << y; \
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ok_ = false; \
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} \
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return *this; \
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}
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BINARY_OP(IsEq, ==)
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BINARY_OP(IsNe, !=)
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BINARY_OP(IsGe, >=)
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BINARY_OP(IsGt, >)
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BINARY_OP(IsLe, <=)
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BINARY_OP(IsLt, <)
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#undef BINARY_OP
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// Attach the specified value to the error message if an error has occurred
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template <class V>
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Tester& operator<<(const V& value) {
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if (!ok_) {
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ss_ << " " << value;
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}
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return *this;
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}
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};
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#define ASSERT_TRUE(c) ::leveldb::test::Tester(__FILE__, __LINE__).Is((c), #c)
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#define ASSERT_OK(s) ::leveldb::test::Tester(__FILE__, __LINE__).IsOk((s))
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#define ASSERT_EQ(a,b) ::leveldb::test::Tester(__FILE__, __LINE__).IsEq((a),(b))
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#define ASSERT_NE(a,b) ::leveldb::test::Tester(__FILE__, __LINE__).IsNe((a),(b))
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#define ASSERT_GE(a,b) ::leveldb::test::Tester(__FILE__, __LINE__).IsGe((a),(b))
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#define ASSERT_GT(a,b) ::leveldb::test::Tester(__FILE__, __LINE__).IsGt((a),(b))
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#define ASSERT_LE(a,b) ::leveldb::test::Tester(__FILE__, __LINE__).IsLe((a),(b))
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#define ASSERT_LT(a,b) ::leveldb::test::Tester(__FILE__, __LINE__).IsLt((a),(b))
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#define TCONCAT(a,b) TCONCAT1(a,b)
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#define TCONCAT1(a,b) a##b
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#define TEST(base,name) \
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class TCONCAT(_Test_,name) : public base { \
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public: \
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void _Run(); \
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static void _RunIt() { \
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TCONCAT(_Test_,name) t; \
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t._Run(); \
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} \
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}; \
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bool TCONCAT(_Test_ignored_,name) = \
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::leveldb::test::RegisterTest(#base, #name, &TCONCAT(_Test_,name)::_RunIt); \
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void TCONCAT(_Test_,name)::_Run()
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// Register the specified test. Typically not used directly, but
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// invoked via the macro expansion of TEST.
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extern bool RegisterTest(const char* base, const char* name, void (*func)());
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} // namespace test
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} // namespace leveldb
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#endif // STORAGE_LEVELDB_UTIL_TESTHARNESS_H_
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