Huangzj
118 lines
3.8 KiB
Go
118 lines
3.8 KiB
Go
/*
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* @Author : huangzj
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* @Time : 2020/12/3 14:11
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* @Description：
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*/
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package bitOperation
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import (
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"fmt"
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"testing"
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)
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func TestSetZeroBuPosition(t *testing.T) {
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fmt.Println("设置某个位置上的元素为0")
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fmt.Println(fmt.Sprintf("原始: %16b", 1))
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fmt.Println(fmt.Sprintf("结果：%16b", SetZeroBuPosition(1, 1)))
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fmt.Println(fmt.Sprintf("原始: %16b", 10))
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fmt.Println(fmt.Sprintf("结果：%16b", SetZeroBuPosition(10, 2)))
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fmt.Println(fmt.Sprintf("原始: %16b", 20))
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fmt.Println(fmt.Sprintf("结果：%16b", SetZeroBuPosition(20, 5)))
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fmt.Println(fmt.Sprintf("原始: %16b", 101))
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fmt.Println(fmt.Sprintf("结果：%16b", SetZeroBuPosition(101, 6)))
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fmt.Println(fmt.Sprintf("原始: %16b", 20121))
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fmt.Println(fmt.Sprintf("结果：%16b", SetZeroBuPosition(20121, 8)))
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fmt.Println(fmt.Sprintf("原始: %16b", 821331))
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fmt.Println(fmt.Sprintf("结果：%16b", SetZeroBuPosition(821331, 12)))
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fmt.Println(fmt.Sprintf("原始: %16b", 821331))
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fmt.Println(fmt.Sprintf("结果：%16b", SetZeroBuPosition(821331, 3)))
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fmt.Println()
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fmt.Println()
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}
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func TestSetOneByPosition(t *testing.T) {
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fmt.Println("设置某个位置上的元素为1")
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fmt.Println(fmt.Sprintf("原始: %16b", 2))
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fmt.Println(fmt.Sprintf("结果：%16b", SetOneByPosition(2, 1)))
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fmt.Println(fmt.Sprintf("原始: %16b", 10))
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fmt.Println(fmt.Sprintf("结果：%16b", SetOneByPosition(10, 1)))
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fmt.Println(fmt.Sprintf("原始: %16b", 20))
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fmt.Println(fmt.Sprintf("结果：%16b", SetOneByPosition(20, 1)))
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fmt.Println(fmt.Sprintf("原始: %16b", 101))
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fmt.Println(fmt.Sprintf("结果：%16b", SetOneByPosition(101, 4)))
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fmt.Println(fmt.Sprintf("原始: %16b", 20121))
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fmt.Println(fmt.Sprintf("结果：%16b", SetOneByPosition(20121, 6)))
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fmt.Println(fmt.Sprintf("原始: %16b", 821331))
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fmt.Println(fmt.Sprintf("结果：%16b", SetOneByPosition(821331, 11)))
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fmt.Println(fmt.Sprintf("原始: %16b", 821331))
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fmt.Println(fmt.Sprintf("结果：%16b", SetOneByPosition(821331, 2)))
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fmt.Println()
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fmt.Println()
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}
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func TestJudgeWithEqualSymbol(t *testing.T) {
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fmt.Println("判断两个数正负符号是否一致")
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fmt.Println(JudgeWithEqualSymbol(10, 20))
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fmt.Println(JudgeWithEqualSymbol(10, -20))
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fmt.Println(JudgeWithEqualSymbol(-10, -20))
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fmt.Println()
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fmt.Println()
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}
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func TestJudgeOneWithPosition(t *testing.T) {
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fmt.Println("判断二进制表示的某个位上是否为1")
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fmt.Println(fmt.Sprintf("%16b", 1))
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fmt.Println(JudgeOneWithPosition(1, 1))
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fmt.Println(JudgeOneWithPosition(1, 2))
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fmt.Println(fmt.Sprintf("%16b", 10))
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fmt.Println(JudgeOneWithPosition(10, 2))
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fmt.Println(JudgeOneWithPosition(10, 3))
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fmt.Println(fmt.Sprintf("%16b", 501))
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fmt.Println(JudgeOneWithPosition(501, 7))
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fmt.Println(JudgeOneWithPosition(501, 2))
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fmt.Println()
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fmt.Println()
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}
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func TestJudgeIfOdd(t *testing.T) {
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fmt.Println("奇数的判断")
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fmt.Println(JudgeIfOdd(1))
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fmt.Println(JudgeIfOdd(2))
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fmt.Println(JudgeIfOdd(101))
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fmt.Println(JudgeIfOdd(200))
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fmt.Println(JudgeIfOdd(91231))
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fmt.Println(JudgeIfOdd(8321312))
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fmt.Println()
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fmt.Println()
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}
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func TestJudgeIfEven(t *testing.T) {
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fmt.Println("偶数的判断")
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fmt.Println(JudgeIfEven(1))
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fmt.Println(JudgeIfEven(2))
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fmt.Println(JudgeIfEven(101))
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fmt.Println(JudgeIfEven(200))
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fmt.Println(JudgeIfEven(91231))
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fmt.Println(JudgeIfEven(8321312))
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fmt.Println()
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fmt.Println()
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}
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func TestJudgeOnlyOneBitWithOne(t *testing.T) {
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fmt.Println("判断二进制表示是不是只有一个位为1")
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for i := 0; i <= 32; i++ {
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fmt.Println(fmt.Sprintf("%d是不是2的n次方，结果为%v", i, JudgeOnlyOneBitWithOne(i)))
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}
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fmt.Println()
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fmt.Println(JudgeOnlyOneBitWithOne(-1))
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fmt.Println(JudgeOnlyOneBitWithOne(-2))
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fmt.Println(JudgeOnlyOneBitWithOne(-3))
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fmt.Println(JudgeOnlyOneBitWithOne(-4))
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fmt.Println(JudgeOnlyOneBitWithOne(-56))
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fmt.Println(JudgeOnlyOneBitWithOne(-64))
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fmt.Println()
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fmt.Println()
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}
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