github.com/cockroachdb/cockroach@v20.2.0-alpha.1+incompatible/pkg/kv/kvclient/kvcoord/condensable_span_set_test.go (about)

     1  // Copyright 2020 The Cockroach Authors.
     2  //
     3  // Use of this software is governed by the Business Source License
     4  // included in the file licenses/BSL.txt.
     5  //
     6  // As of the Change Date specified in that file, in accordance with
     7  // the Business Source License, use of this software will be governed
     8  // by the Apache License, Version 2.0, included in the file
     9  // licenses/APL.txt.
    10  
    11  package kvcoord
    12  
    13  import (
    14  	"testing"
    15  
    16  	"github.com/cockroachdb/cockroach/pkg/roachpb"
    17  	"github.com/cockroachdb/cockroach/pkg/util/leaktest"
    18  	"github.com/stretchr/testify/require"
    19  )
    20  
    21  // Test that the size of the condensableSpanSet is properly maintained when
    22  // contiguous spans are merged.
    23  func TestCondensableSpanSetMergeContiguousSpans(t *testing.T) {
    24  	defer leaktest.AfterTest(t)()
    25  	s := condensableSpanSet{}
    26  	s.insert(roachpb.Span{Key: roachpb.Key("a"), EndKey: roachpb.Key("b")})
    27  	s.insert(roachpb.Span{Key: roachpb.Key("b"), EndKey: roachpb.Key("c")})
    28  	require.Equal(t, int64(4), s.bytes)
    29  	s.mergeAndSort()
    30  	require.Equal(t, int64(2), s.bytes)
    31  }