65 lines
1.6 KiB
Go
65 lines
1.6 KiB
Go
// Copyright 2019 PingCAP, Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package set
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import (
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"fmt"
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"testing"
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"github.com/stretchr/testify/assert"
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)
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func TestStringSet(t *testing.T) {
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assert := assert.New(t)
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set := NewStringSet()
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vals := []string{"1", "2", "3", "4", "5", "6", "7", "8", "9", "10"}
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for i := range vals {
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set.Insert(vals[i])
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set.Insert(vals[i])
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set.Insert(vals[i])
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set.Insert(vals[i])
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set.Insert(vals[i])
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}
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assert.Equal(len(vals), set.Count())
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assert.Equal(len(vals), len(set))
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for i := range vals {
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assert.True(set.Exist(vals[i]))
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}
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assert.False(set.Exist("11"))
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set = NewStringSet("1", "2", "3", "4", "5", "6")
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for i := 1; i < 7; i++ {
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assert.True(set.Exist(fmt.Sprintf("%d", i)))
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}
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assert.False(set.Exist("7"))
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s1 := NewStringSet("1", "2", "3")
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s2 := NewStringSet("4", "2", "3")
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s3 := s1.Intersection(s2)
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assert.Equal(NewStringSet("2", "3"), s3)
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s4 := NewStringSet("4", "5", "3")
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assert.Equal(NewStringSet("3"), s3.Intersection(s4))
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s5 := NewStringSet("4", "5")
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assert.Equal(NewStringSet(), s3.Intersection(s5))
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s6 := NewStringSet()
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assert.Equal(NewStringSet(), s3.Intersection(s6))
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}
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