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// SPDX-License-Identifier: GPL-3.0-or-later
package norm
import "testing"
// FuzzTextIdempotent: normalising text twice changes nothing more than
// normalising it once, under every case and fold setting, and so for names.
// Keywords are normalised at load and text at match time by the same
// functions; a second pass that still changed something would mean the two
// could disagree about what one normalised string is.
func FuzzTextIdempotent(f *testing.F) {
for _, s := range []string{"Spółka Z O.O.", "ẞ straße", "a\u0301", " tabs\tand\nlines ", "\xff", "İstanbul", "Dž", "Æsir Œuvre"} {
f.Add(s)
}
f.Fuzz(func(t *testing.T, s string) {
for _, opt := range [][2]bool{{false, false}, {true, false}, {false, true}, {true, true}} {
once := Text(s, opt[0], opt[1])
if twice := Text(once, opt[0], opt[1]); twice != once {
t.Fatalf("Text(%q, %v, %v) = %q, again %q", s, opt[0], opt[1], once, twice)
}
}
for _, fold := range []bool{false, true} {
once := Name(s, fold)
if twice := Name(once, fold); twice != once {
t.Fatalf("Name(%q, %v) = %q, again %q", s, fold, once, twice)
}
}
})
}
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