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49 lines
1.7 KiB
Go
49 lines
1.7 KiB
Go
// Copyright (C) 2017 The Syncthing Authors.
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//
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// This Source Code Form is subject to the terms of the Mozilla Public
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// License, v. 2.0. If a copy of the MPL was not distributed with this file,
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// You can obtain one at https://mozilla.org/MPL/2.0/.
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package fs
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import "testing"
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func TestUnicodeLowercase(t *testing.T) {
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cases := [][2]string{
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{"", ""},
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{"hej", "hej"},
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{"HeJ!@#", "hej!@#"},
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// Western Europe diacritical stuff is trivial
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{"ÜBERRÄKSMÖRGÅS", "überräksmörgås"},
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// Cyrillic seems regular as well
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{"Привет", "привет"},
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// Greek has multiple lower case characters for things depending on
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// context; we should always choose the right one.
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{"Ὀδυσσεύς", "ὀδυσσεύσ"},
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{"ὈΔΥΣΣΕΎΣ", "ὀδυσσεύσ"},
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// German ß doesn't really have an upper case variant, and we
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// shouldn't mess things up when lower casing it either. We don't
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// attempt to make ß equivalent to "ss".
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{"Reichwaldstraße", "reichwaldstraße"},
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// The Turks do their thing with the Is.... Like the Greek example
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// we pick just the one canonicalized "i" although you can argue
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// with this... From what I understand most operating systems don't
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// get this right anyway.
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{"İI", "ii"},
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// Arabic doesn't do case folding.
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{"العَرَبِيَّة", "العَرَبِيَّة"},
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// Neither does Hebrew.
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{"עברית", "עברית"},
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// Nor Chinese, in any variant.
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{"汉语/漢語 or 中文", "汉语/漢語 or 中文"},
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// Niether katakana as far as I can tell.
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{"チャーハン", "チャーハン"},
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}
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for _, tc := range cases {
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res := UnicodeLowercase(tc[0])
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if res != tc[1] {
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t.Errorf("UnicodeLowercase(%q) => %q, expected %q", tc[0], res, tc[1])
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}
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}
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}
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