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92 lines
2.0 KiB
Go
92 lines
2.0 KiB
Go
/*
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Copyright 2015 The Kubernetes Authors.
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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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http://www.apache.org/licenses/LICENSE-2.0
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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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*/
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package slice
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import (
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"reflect"
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"testing"
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)
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func TestCopyStrings(t *testing.T) {
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var src1 []string
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dest1 := CopyStrings(src1)
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if !reflect.DeepEqual(src1, dest1) {
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t.Errorf("%v and %v are not equal", src1, dest1)
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}
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src2 := []string{}
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dest2 := CopyStrings(src2)
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if !reflect.DeepEqual(src2, dest2) {
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t.Errorf("%v and %v are not equal", src2, dest2)
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}
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src3 := []string{"a", "c", "b"}
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dest3 := CopyStrings(src3)
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if !reflect.DeepEqual(src3, dest3) {
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t.Errorf("%v and %v are not equal", src3, dest3)
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}
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src3[0] = "A"
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if reflect.DeepEqual(src3, dest3) {
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t.Errorf("CopyStrings didn't make a copy")
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}
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}
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func TestSortStrings(t *testing.T) {
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src := []string{"a", "c", "b"}
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dest := SortStrings(src)
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expected := []string{"a", "b", "c"}
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if !reflect.DeepEqual(dest, expected) {
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t.Errorf("SortString didn't sort the strings")
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}
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if !reflect.DeepEqual(src, expected) {
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t.Errorf("SortString didn't sort in place")
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}
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}
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func TestShuffleStrings(t *testing.T) {
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var src []string
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dest := ShuffleStrings(src)
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if dest != nil {
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t.Errorf("ShuffleStrings for a nil slice got a non-nil slice")
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}
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src = []string{"a", "b", "c", "d", "e", "f"}
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dest = ShuffleStrings(src)
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if len(src) != len(dest) {
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t.Errorf("Shuffled slice is wrong length, expected %v got %v", len(src), len(dest))
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}
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m := make(map[string]bool, len(dest))
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for _, s := range dest {
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m[s] = true
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}
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for _, k := range src {
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if _, exists := m[k]; !exists {
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t.Errorf("Element %v missing from shuffled slice", k)
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}
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}
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}
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