feat(Go-Tool)：修改单测位置，添加lomuto查找第k小元素算法代码及其单测（分治法）

util/array/ArrayUtil_test.go

@@ -0,0 +1,174 @@
+/*
+ *  @Author : huangzj
+ *  @Time : 2020/4/30 16:06
+ *  @Description：数组工具类测试
+ */
+
+package array
+
+import (
+	"encoding/json"
+	"fmt"
+	"testing"
+)
+
+type MM struct {
+	A int
+	B string
+	N NN
+}
+
+type NN struct {
+	A int
+	B float64
+}
+
+var (
+	mm  []interface{}
+	mm1 []interface{}
+	mm2 []interface{}
+	nn  []interface{}
+	nn1 []interface{}
+)
+
+func TestBool(t *testing.T) {
+	fmt.Print("\n\nContains\n\n")
+	fmt.Println(Contains(mm, mm))
+	fmt.Println(Contains(mm, mm1))
+	fmt.Println(Contains(mm, MM{
+		A: 1,
+		B: "2",
+	}))
+	fmt.Print("\n\nNotContains\n\n")
+	fmt.Println(NotContains(mm, mm))
+	fmt.Println(NotContains(mm, mm1))
+	fmt.Println(NotContains(mm, MM{
+		A: 1,
+		B: "2",
+	}))
+	fmt.Print("\n\nIsSameList\n\n")
+	fmt.Println(IsSameList(mm, mm))
+	fmt.Println(IsSameList(mm, nn1))
+	fmt.Println(IsSameList(mm, mm2))
+	fmt.Println(IsSameList(mm, nn))
+
+	fmt.Print("\n\nIsSubSet\n\n")
+	fmt.Println(IsSubSet(mm, mm))
+	fmt.Println(IsSubSet(mm, mm1))
+	fmt.Println(IsSubSet(mm, mm2))
+	fmt.Println(IsSubSet(mm, nn))
+	fmt.Printf("\n\n")
+
+}
+
+func TestJoin(t *testing.T) {
+	fmt.Print("\n\nmm-nn\n\n")
+	intersection(mm, nn)
+	fmt.Print("\n\nmm-mm\n\n")
+	intersection(mm, mm)
+	fmt.Print("\n\nmm-mm1\n\n")
+	intersection(mm, mm1)
+	fmt.Print("\n\nmm-mm2\n\n")
+	intersection(mm, mm2)
+
+	fmt.Print("\n\ndiff\n\n")
+	diffSet(mm, nn)
+	fmt.Print("\n\n\n\n")
+	diffSet(mm, mm)
+	fmt.Print("\n\n\n\n")
+	diffSet(mm, mm1)
+	fmt.Print("\n\n\n\n")
+	diffSet(mm, mm2)
+
+	fmt.Print("\n\nunion\n\n")
+	union(mm, nn)
+	fmt.Print("\n\n\n\n")
+	union(mm, mm)
+	fmt.Print("\n\n\n\n")
+	union(mm, mm1)
+	fmt.Print("\n\n\n\n")
+	union(mm, mm2)
+}
+
+func TestEqual(t *testing.T) {
+	DeepCopyIntSlice11()
+	DeepCopyIntSlice21()
+}
+
+func intersection(mm, nn []interface{}) {
+	i1 := Intersection(mm, nn)
+	for _, row := range i1 {
+		b, err := json.Marshal(row)
+		fmt.Println(err)
+		fmt.Print(string(b))
+	}
+}
+
+func diffSet(mm, nn []interface{}) {
+	i1 := DiffSet(mm, nn)
+	for _, row := range i1 {
+		b, _ := json.Marshal(row)
+		fmt.Print(string(b))
+	}
+}
+
+func union(mm, nn []interface{}) {
+	i1 := Union(mm, nn)
+	for _, row := range i1 {
+		b, _ := json.Marshal(row)
+		fmt.Print(string(b))
+	}
+}
+
+func DeepCopyIntSlice11() {
+	src := []int{1, 2, 3, 4, 5, 6}
+	src1 := DeepCopyIntSlice(src)
+	fmt.Println(&src == &src1)
+}
+
+func DeepCopyIntSlice21() {
+	src := [][]int{{1, 2, 3}, {4, 5, 6}}
+	src1 := DeepCopyIntSlice2(src)
+	fmt.Println(&src == &src1)
+}
+
+func init() {
+	mm = make([]interface{}, 0)
+	mm1 = make([]interface{}, 0)
+	nn = make([]interface{}, 0)
+	nn1 = make([]interface{}, 0)
+	mm = append(mm, MM{
+		A: 1,
+		B: "1",
+	})
+	mm = append(mm, MM{
+		A: 1,
+		B: "2",
+	})
+	mm1 = append(mm1, MM{
+		A: 1,
+		B: "2",
+	})
+	mm2 = append(mm2, MM{
+		A: 1,
+		B: "2",
+	})
+	mm2 = append(mm2, MM{
+		A: 1,
+		B: "3",
+	})
+
+	nn = append(nn, NN{
+		B: 1.2,
+		A: 1,
+	})
+	nn = append(nn, NN{
+		B: 2.9,
+		A: 20,
+	})
+
+	nn1 = append(nn1, NN{
+		A: 30,
+		B: 2.2,
+	})
+}