package main

import "fmt"
import "testing"

func TestRepeat(t *testing.T) {
	t.Run("default", func(t *testing.T) {
		repeated := Repeat("a", 5)
		expected := "aaaaa"

		if repeated != expected {
			t.Errorf("expected %q but got %q", expected, repeated)
		}
	})

	t.Run("custom interval", func(t *testing.T) {
		repeated := Repeat("a", 10)
		expected := "aaaaaaaaaa"

		if repeated != expected {
			t.Errorf("expected %q but got %q", expected, repeated)
		}
	})
}

func BenchmarkRepeat(b *testing.B) {
	for i := 0; i < b.N; i++ {
		Repeat("a", 5)
	}
}

func ExampleRepeat() {
	fmt.Println(Repeat("x", 10))
	// Output: xxxxxxxxxx
}