You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
121 lines
3.4 KiB
121 lines
3.4 KiB
![]()
12 years ago
|
// Copyright (c) 2011 The LevelDB Authors. All rights reserved.
|
||
|
// Use of this source code is governed by a BSD-style license that can be
|
||
|
// found in the LICENSE file. See the AUTHORS file for names of contributors.
|
||
|
|
||
|
#include "leveldb/db.h"
|
||
|
|
||
|
#include "db/memtable.h"
|
||
|
#include "db/write_batch_internal.h"
|
||
|
#include "leveldb/env.h"
|
||
|
#include "util/logging.h"
|
||
|
#include "util/testharness.h"
|
||
|
|
||
|
namespace leveldb {
|
||
|
|
||
|
static std::string PrintContents(WriteBatch* b) {
|
||
|
InternalKeyComparator cmp(BytewiseComparator());
|
||
|
MemTable* mem = new MemTable(cmp);
|
||
|
mem->Ref();
|
||
|
std::string state;
|
||
|
Status s = WriteBatchInternal::InsertInto(b, mem);
|
||
|
int count = 0;
|
||
|
Iterator* iter = mem->NewIterator();
|
||
|
for (iter->SeekToFirst(); iter->Valid(); iter->Next()) {
|
||
|
ParsedInternalKey ikey;
|
||
|
ASSERT_TRUE(ParseInternalKey(iter->key(), &ikey));
|
||
|
switch (ikey.type) {
|
||
|
case kTypeValue:
|
||
|
state.append("Put(");
|
||
|
state.append(ikey.user_key.ToString());
|
||
|
state.append(", ");
|
||
|
state.append(iter->value().ToString());
|
||
|
state.append(")");
|
||
|
count++;
|
||
|
break;
|
||
|
case kTypeDeletion:
|
||
|
state.append("Delete(");
|
||
|
state.append(ikey.user_key.ToString());
|
||
|
state.append(")");
|
||
|
count++;
|
||
|
break;
|
||
|
}
|
||
|
state.append("@");
|
||
|
state.append(NumberToString(ikey.sequence));
|
||
|
}
|
||
|
delete iter;
|
||
|
if (!s.ok()) {
|
||
|
state.append("ParseError()");
|
||
|
} else if (count != WriteBatchInternal::Count(b)) {
|
||
|
state.append("CountMismatch()");
|
||
|
}
|
||
|
mem->Unref();
|
||
|
return state;
|
||
|
}
|
||
|
|
||
|
class WriteBatchTest { };
|
||
|
|
||
|
TEST(WriteBatchTest, Empty) {
|
||
|
WriteBatch batch;
|
||
|
ASSERT_EQ("", PrintContents(&batch));
|
||
|
ASSERT_EQ(0, WriteBatchInternal::Count(&batch));
|
||
|
}
|
||
|
|
||
|
TEST(WriteBatchTest, Multiple) {
|
||
|
WriteBatch batch;
|
||
|
batch.Put(Slice("foo"), Slice("bar"));
|
||
|
batch.Delete(Slice("box"));
|
||
|
batch.Put(Slice("baz"), Slice("boo"));
|
||
|
WriteBatchInternal::SetSequence(&batch, 100);
|
||
|
ASSERT_EQ(100, WriteBatchInternal::Sequence(&batch));
|
||
|
ASSERT_EQ(3, WriteBatchInternal::Count(&batch));
|
||
|
ASSERT_EQ("Put(baz, boo)@102"
|
||
|
"Delete(box)@101"
|
||
|
"Put(foo, bar)@100",
|
||
|
PrintContents(&batch));
|
||
|
}
|
||
|
|
||
|
TEST(WriteBatchTest, Corruption) {
|
||
|
WriteBatch batch;
|
||
|
batch.Put(Slice("foo"), Slice("bar"));
|
||
|
batch.Delete(Slice("box"));
|
||
|
WriteBatchInternal::SetSequence(&batch, 200);
|
||
|
Slice contents = WriteBatchInternal::Contents(&batch);
|
||
|
WriteBatchInternal::SetContents(&batch,
|
||
|
Slice(contents.data(),contents.size()-1));
|
||
|
ASSERT_EQ("Put(foo, bar)@200"
|
||
|
"ParseError()",
|
||
|
PrintContents(&batch));
|
||
|
}
|
||
|
|
||
|
TEST(WriteBatchTest, Append) {
|
||
|
WriteBatch b1, b2;
|
||
|
WriteBatchInternal::SetSequence(&b1, 200);
|
||
|
WriteBatchInternal::SetSequence(&b2, 300);
|
||
|
WriteBatchInternal::Append(&b1, &b2);
|
||
|
ASSERT_EQ("",
|
||
|
PrintContents(&b1));
|
||
|
b2.Put("a", "va");
|
||
|
WriteBatchInternal::Append(&b1, &b2);
|
||
|
ASSERT_EQ("Put(a, va)@200",
|
||
|
PrintContents(&b1));
|
||
|
b2.Clear();
|
||
|
b2.Put("b", "vb");
|
||
|
WriteBatchInternal::Append(&b1, &b2);
|
||
|
ASSERT_EQ("Put(a, va)@200"
|
||
|
"Put(b, vb)@201",
|
||
|
PrintContents(&b1));
|
||
|
b2.Delete("foo");
|
||
|
WriteBatchInternal::Append(&b1, &b2);
|
||
|
ASSERT_EQ("Put(a, va)@200"
|
||
|
"Put(b, vb)@202"
|
||
|
"Put(b, vb)@201"
|
||
|
"Delete(foo)@203",
|
||
|
PrintContents(&b1));
|
||
|
}
|
||
|
|
||
|
} // namespace leveldb
|
||
|
|
||
|
int main(int argc, char** argv) {
|
||
|
return leveldb::test::RunAllTests();
|
||
|
}
|