From f7f5d379a90e724e34b70c0755afa11c844bcf25 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E5=BC=A0=E8=82=B2=E6=96=B0?= <zhangyuxin12301@163.com>
Date: Mon, 13 Jul 2026 22:46:07 +0800
Subject: [PATCH] =?UTF-8?q?test(testing):=20=E6=B7=BB=E5=8A=A0=E4=B8=AD?=
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- 新增 TestNormal: 测试 GetMiddNumber 中位数计算逻辑
- 新增 TestChannel: 模拟通道传球 goroutine 交互
---
 go/testing/normal_test.go | 48 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 48 insertions(+)
 create mode 100644 go/testing/normal_test.go

diff --git a/go/testing/normal_test.go b/go/testing/normal_test.go
new file mode 100644
index 0000000..345e618
--- /dev/null
+++ b/go/testing/normal_test.go
@@ -0,0 +1,48 @@
+package testing
+
+import (
+	"sort"
+	"testing"
+	"time"
+)
+
+func TestNormal(t *testing.T) {
+	numbers := map[int][]int{
+		1: {8, 2, 4, 4},
+		2: {0, 5, 3},
+		3: {1},
+	}
+	for _, numbers := range numbers {
+		middle := GetMiddNumber(numbers)
+		t.Log(middle)
+	}
+
+}
+
+func GetMiddNumber(numbers []int) float64 {
+	sort.Ints(numbers)
+	length := len(numbers)
+	isOddNUmber := length%2 == 1
+	if !isOddNUmber {
+		return float64(numbers[length/2-1]+numbers[length/2]) / 2.0
+	}
+	return float64(numbers[length/2])
+}
+
+func TestChannel(t *testing.T) {
+	var ball = make(chan string)
+	kickBall := func(playerName string) {
+		for {
+			t.Log(<-ball, "传球", "\n")
+			time.Sleep(time.Second)
+			ball <- playerName
+		}
+	}
+	go kickBall("张三")
+	go kickBall("李四")
+	go kickBall("王二麻子")
+	go kickBall("刘大")
+	ball <- "裁判"    // 开球
+	var c chan bool // 一个零值nil通道
+	<-c             // 永久阻塞在此
+}