package editor

import "testing"

func TestBufferAppendRune(t *testing.T) {
	b := newBuffer()

	got := b.appendRune('a')
	want := 1

	if got != want {
		t.Errorf("Wrong length for rune, got %q, expected %q for rune %c", got, want, 'a')
	}
}

func TestBufferAppend(t *testing.T) {
	b := newBuffer()

	got := b.append("123")
	want := 3

	if got != want {
		t.Errorf("Wrong length for string, got %d, expected %d for input '%s'", got, want, "123")
	}
}

func TestBufferAppendLn(t *testing.T) {
	b := newBuffer()

	got := b.appendLn("123")

	// Adds carriage return and line feed
	want := 5

	if got != want {
		t.Errorf("Wrong length for string, got %d, expected %d for input '%s'", got, want, "123")
	}
}

func TestBufferToString(t *testing.T) {
	b := newBuffer()
	b.append("foo")

	got := b.toString()
	want := "foo"

	if got != want {
		t.Errorf("Failed to convert to proper string")
	}
}