package czech

import "testing"

func TestNormalize(t *testing.T) {
	cases := []struct {
		in   string
		want string
	}{
		{"Honza", "honza"},
		{"žluťoučký", "zlutoucky"},
		{"Příliš", "prilis"},
		{"Dvořák", "dvorak"},
		{"Růžena", "ruzena"},
		{"Čeněk", "cenek"},
		{"Kačer", "kacer"},
		{"", ""},
		{"prilis", "prilis"},                     // idempotent
		{"Jan Novák", "jan novak"},               // whitespace preserved
		{"é", "e"},                               // precomposed é (NFC)
		{"é", "e"},                              // decomposed e + combining acute
		{"Ondřej Procházka", "ondrej prochazka"}, // realistic full name
	}

	for _, tc := range cases {
		got := Normalize(tc.in)
		if got != tc.want {
			t.Errorf("Normalize(%q) = %q, want %q", tc.in, got, tc.want)
		}
	}
}