Files
tidb/util/segmentmap/segmentmap_test.go

53 lines
1.2 KiB
Go

// Copyright 2015 PingCAP, Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// See the License for the specific language governing permissions and
// limitations under the License.
package segmentmap
import (
. "github.com/pingcap/check"
)
var _ = Suite(&testSegmentMapSuite{})
type testSegmentMapSuite struct {
}
func (s *testSegmentMapSuite) TestSegment(c *C) {
segs := int64(2)
m, err := NewSegmentMap(segs)
c.Assert(err, IsNil)
c.Assert(m.SegmentCount(), Equals, segs)
k := []byte("k")
v := []byte("v")
val, exist := m.Get(k)
c.Assert(exist, IsFalse)
exist = m.Set(k, v, false)
c.Assert(exist, IsFalse)
val, exist = m.Get(k)
c.Assert(v, DeepEquals, val.([]byte))
c.Assert(exist, IsTrue)
m0, err := m.GetSegment(0)
c.Assert(err, IsNil)
m1, err := m.GetSegment(1)
c.Assert(err, IsNil)
c.Assert(len(m0)+len(m1), Equals, 1)
_, err = m.GetSegment(3)
c.Assert(err, NotNil)
}