// Copyright 2019 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 set import ( "fmt" "github.com/pingcap/check" ) var _ = check.Suite(&stringSetTestSuite{}) type stringSetTestSuite struct{} func (s *stringSetTestSuite) TestStringSet(c *check.C) { set := NewStringSet() vals := []string{"1", "2", "3", "4", "5", "6", "7", "8", "9", "10"} for i := range vals { set.Insert(vals[i]) set.Insert(vals[i]) set.Insert(vals[i]) set.Insert(vals[i]) set.Insert(vals[i]) } c.Assert(set.Count(), check.Equals, len(vals)) c.Assert(len(set), check.Equals, len(vals)) for i := range vals { c.Assert(set.Exist(vals[i]), check.IsTrue) } c.Assert(set.Exist("11"), check.IsFalse) set = NewStringSet("1", "2", "3", "4", "5", "6") for i := 1; i < 7; i++ { c.Assert(set.Exist(fmt.Sprintf("%d", i)), check.IsTrue) } c.Assert(set.Exist("7"), check.IsFalse) s1 := NewStringSet("1", "2", "3") s2 := NewStringSet("4", "2", "3") s3 := s1.Intersection(s2) c.Assert(s3, check.DeepEquals, NewStringSet("2", "3")) s4 := NewStringSet("4", "5", "3") c.Assert(s3.Intersection(s4), check.DeepEquals, NewStringSet("3")) s5 := NewStringSet("4", "5") c.Assert(s3.Intersection(s5), check.DeepEquals, NewStringSet()) s6 := NewStringSet() c.Assert(s3.Intersection(s6), check.DeepEquals, NewStringSet()) }