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64 lines
1.7 KiB
64 lines
1.7 KiB
// 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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// 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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"github.com/pingcap/check"
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)
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var _ = check.Suite(&stringSetTestSuite{})
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type stringSetTestSuite struct{}
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func (s *stringSetTestSuite) TestStringSet(c *check.C) {
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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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c.Assert(set.Count(), check.Equals, len(vals))
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c.Assert(len(set), check.Equals, len(vals))
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for i := range vals {
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c.Assert(set.Exist(vals[i]), check.IsTrue)
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}
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c.Assert(set.Exist("11"), check.IsFalse)
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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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c.Assert(set.Exist(fmt.Sprintf("%d", i)), check.IsTrue)
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}
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c.Assert(set.Exist("7"), check.IsFalse)
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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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c.Assert(s3, check.DeepEquals, NewStringSet("2", "3"))
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s4 := NewStringSet("4", "5", "3")
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c.Assert(s3.Intersection(s4), check.DeepEquals, NewStringSet("3"))
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s5 := NewStringSet("4", "5")
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c.Assert(s3.Intersection(s5), check.DeepEquals, NewStringSet())
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s6 := NewStringSet()
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c.Assert(s3.Intersection(s6), check.DeepEquals, NewStringSet())
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}
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