20201110: find lost number

20201110_find_lost_number/main_test.go

@@ -0,0 +1,63 @@
+package main
+
+import (
+	"testing"
+)
+
+func Test_findLostNumber(t *testing.T) {
+	type args struct {
+		nums []int
+	}
+	tests := []struct {
+		name string
+		args args
+		want int
+	}{
+		{
+			"example_1",
+			args{[]int{3, 0, 1}},
+			2,
+		},
+		{
+			"example_2",
+			args{[]int{9, 6, 4, 2, 3, 5, 7, 0, 1}},
+			8,
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			if got := findLostNumber(tt.args.nums); got != tt.want {
+				t.Errorf("findLostNumber() = %v, want %v", got, tt.want)
+			}
+		})
+	}
+}
+
+func Test_findLostNumber2(t *testing.T) {
+	type args struct {
+		nums []int
+	}
+	tests := []struct {
+		name string
+		args args
+		want int
+	}{
+		{
+			"example_1",
+			args{[]int{3, 0, 1}},
+			2,
+		},
+		{
+			"example_2",
+			args{[]int{9, 6, 4, 2, 3, 5, 7, 0, 1}},
+			8,
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			if got := findLostNumber2(tt.args.nums); got != tt.want {
+				t.Errorf("findLostNumber2() = %v, want %v", got, tt.want)
+			}
+		})
+	}
+}