package rules

import (
	"bytes"
	"fmt"
	"testing"
)

func TestTabsMustNotBeUsed(t *testing.T) {
	input := []byte(`public void FunctionName(string s, int i)
{
	var i = 0; // blah
	for (i = 0; i < 4; i++) {
		// Do something
	}
	return s + i.ToString();
}`)
	expected := []byte(`public void FunctionName(string s, int i)
{
    var i = 0; // blah
    for (i = 0; i < 4; i++) {
        // Do something
    }
    return s + i.ToString();
}`)

	actual := applyTabsMustNotBeUsed(input)
	if !bytes.Equal(expected, actual) {
		fmt.Println(string(actual))
		t.Fail()
	}
}