// Copyright 2017 clair authors // // 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, // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. // See the License for the specific language governing permissions and // limitations under the License. package strutil import ( "testing" "github.com/stretchr/testify/assert" ) func TestStringComparison(t *testing.T) { cmp := Difference([]string{"a", "b", "b", "a"}, []string{"a", "c"}) assert.Len(t, cmp, 1) assert.NotContains(t, cmp, "a") assert.Contains(t, cmp, "b") cmp = Intersect([]string{"a", "a", "b", "c"}, []string{"a", "c", "c"}) assert.Len(t, cmp, 2) assert.NotContains(t, cmp, "b") assert.Contains(t, cmp, "a") assert.Contains(t, cmp, "c") }