[test] added unit test for array-rotation
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// ====================================================
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// Data-Structures-with-Go Copyright(C) 2017 Furkan Türkal
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// This program comes with ABSOLUTELY NO WARRANTY; This is free software,
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// and you are welcome to redistribute it under certain conditions; See
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// file LICENSE, which is part of this source code package, for details.
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// ====================================================
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package main
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import (
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"reflect"
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"testing"
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)
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func TestLeftRotate(t *testing.T) {
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var testDatas = []struct {
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ArrayIn []int
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Count int
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Depth int
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ArrayOut []int
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}{
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{[]int{1, 2, 3, 4, 5, 6, 7}, 2, 7, []int{3, 4, 5, 6, 7, 1, 2}},
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{[]int{1, 2, 3, 4, 5, 6, 7}, 2, 6, []int{3, 4, 5, 6, 1, 2, 7}},
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{[]int{1, 2, 3, 4, 5, 6, 7}, 1, 2, []int{2, 1, 3, 4, 5, 6, 7}},
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{[]int{1, 2, 3, 4, 5, 6, 7}, 7, 7, []int{1, 2, 3, 4, 5, 6, 7}},
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{[]int{1, 2, 3, 4, 5, 6, 7}, 7, 6, []int{2, 3, 4, 5, 6, 1, 7}},
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}
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for _, data := range testDatas {
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expected := data.ArrayOut
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leftRotate(data.ArrayIn, data.Count, data.Depth)
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actual := data.ArrayIn
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if !reflect.DeepEqual(expected, actual) {
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t.Errorf("LeftRotate: Expected: %d, Actual: %d", expected, actual)
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}
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}
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}
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