code kata 230813

code_kata_230813/int_to_string_test.go

@@ -0,0 +1,32 @@
+package main
+
+import "testing"
+
+func IntToString(n int) string {
+	ret := make([]byte, 0)
+	for n > 0 {
+		ret = append([]byte{byte('0' + n%10)}, ret...)
+		n /= 10
+	}
+	return string(ret)
+}
+
+func TestIntToString(t *testing.T) {
+	tt := []struct {
+		name  string
+		input int
+		want  string
+	}{
+		{"1", 1, "1"},
+		{"12345678", 12345678, "12345678"},
+	}
+
+	for _, tc := range tt {
+		t.Run(tc.name, func(t *testing.T) {
+			got := IntToString(tc.input)
+			if got != tc.want {
+				t.Errorf("IntToString(%d) = %s, want %s\n", tc.input, got, tc.want)
+			}
+		})
+	}
+}