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// SPDX-License-Identifier: GPL-3.0-or-later
package norm
import "testing"
func TestFold(t *testing.T) {
tests := map[string]string{
"": "",
"plain ASCII 123": "plain ASCII 123",
"spółka z ograniczoną odpowiedzialnością": "spolka z ograniczona odpowiedzialnoscia",
"Łódź": "Lodz",
"ZAŻÓŁĆ GĘŚLĄ JAŹŃ": "ZAZOLC GESLA JAZN",
"Straße": "Strasse",
"STRAẞE": "STRASSE",
"\xf3Á": "\ufffdA", // an invalid byte must not stop the next letter folding
"Øresund": "Oresund",
"Ærø": "AEro",
"œuvre": "oeuvre",
"déjà vu": "deja vu",
"Đakovo": "Dakovo",
"ħelp": "help",
}
for in, want := range tests {
if got := Fold(in); got != want {
t.Errorf("Fold(%q) = %q, want %q", in, got, want)
}
}
}
func TestText(t *testing.T) {
tests := []struct {
in string
ignoreCase, fold bool
want string
}{
{" Hello\n\tWORLD ", true, false, "hello world"},
{"A B\r\nC", false, false, "A B C"},
{"ZAŻÓŁĆ gęślą", true, true, "zazolc gesla"},
{"Spółka", false, true, "Spolka"},
{"Faktura\u00A0VAT", true, false, "faktura vat"},
{"", true, true, ""},
{" ", true, true, ""},
}
for _, tt := range tests {
if got := Text(tt.in, tt.ignoreCase, tt.fold); got != tt.want {
t.Errorf("Text(%q, %v, %v) = %q, want %q", tt.in, tt.ignoreCase, tt.fold, got, tt.want)
}
}
}
func TestTextIdempotent(t *testing.T) {
for _, s := range []string{" Łódź\n\nMIASTO ", "a\tb", "Ærø Œuvre"} {
once := Text(s, true, true)
if twice := Text(once, true, true); twice != once {
t.Errorf("Text not idempotent on %q: %q then %q", s, once, twice)
}
}
}
func TestName(t *testing.T) {
if got := Name("Spółka.PDF", true); got != "Spolka.PDF" {
t.Errorf("Name fold = %q", got)
}
if got := Name("Spółka.PDF", false); got != "Spółka.PDF" {
t.Errorf("Name no fold = %q", got)
}
}
func TestFoldASCIINoAlloc(t *testing.T) {
s := "already plain ascii text"
if n := testing.AllocsPerRun(100, func() { _ = Fold(s) }); n != 0 {
t.Errorf("Fold allocates %v times on ASCII input", n)
}
}
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