Merge the chapter of binary tree and searching.

codes/go/chapter_searching/binary_search_test.go

@@ -0,0 +1,24 @@
+// File: binary_search_test.go
+// Created Time: 2022-12-05
+// Author: Slone123c (274325721@qq.com)
+
+package chapter_searching
+
+import (
+	"fmt"
+	"testing"
+)
+
+func TestBinarySearch(t *testing.T) {
+	var (
+		target   = 6
+		nums     = []int{1, 3, 6, 8, 12, 15, 23, 67, 70, 92}
+		expected = 2
+	)
+	// 在数组中执行二分查找
+	actual := binarySearch(nums, target)
+	fmt.Println("目标元素 6 的索引 =", actual)
+	if actual != expected {
+		t.Errorf("目标元素 6 的索引 = %d, 应该为 %d", actual, expected)
+	}
+}