flip-columns-for-maximum-number-of-equal-rows_test.go

package problem1072

import (
	"testing"

	"github.com/stretchr/testify/assert"
)

// tcs is testcase slice
var tcs = []struct {
	matrix [][]int
	ans    int
}{

	{
		[][]int{{0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
			{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}},
		1,
	},

	{
		[][]int{{1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
			{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}},
		1,
	},

	{
		[][]int{{0, 1}, {1, 1}},
		1,
	},

	{
		[][]int{{0, 1}, {1, 0}},
		2,
	},

	{
		[][]int{{0, 0, 1}, {1, 1, 0}, {0, 0, 0}},
		2,
	},

	{
		[][]int{{0, 0, 0}, {0, 0, 1}, {1, 1, 0}},
		2,
	},

	// 可以有多个 testcase
}

func Test_maxEqualRowsAfterFlips(t *testing.T) {
	ast := assert.New(t)

	for _, tc := range tcs {
		ast.Equal(tc.ans, maxEqualRowsAfterFlips(tc.matrix), "输入:%v", tc)
	}
}

func Benchmark_maxEqualRowsAfterFlips(b *testing.B) {
	for i := 0; i < b.N; i++ {
		for _, tc := range tcs {
			maxEqualRowsAfterFlips(tc.matrix)
		}
	}
}

func Test_max(t *testing.T) {
	type args struct {
		a int
		b int
	}
	tests := []struct {
		name string
		args args
		want int
	}{
		{
			"a is bigger",
			args{
				a: 1,
				b: 0,
			},
			1,
		},
		{
			"b is bigger",
			args{
				a: 1,
				b: 2,
			},
			2,
		},
	}
	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			if got := max(tt.args.a, tt.args.b); got != tt.want {
				t.Errorf("max() = %v, want %v", got, tt.want)
			}
		})
	}
}