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// Copyright 2017 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package message
import (
"strings"
"testing"
"golang.org/x/text/language"
"golang.org/x/text/message/catalog"
)
func TestMatchLanguage(t *testing.T) {
c := catalog.NewBuilder(catalog.Fallback(language.English))
c.SetString(language.Bengali, "", "")
c.SetString(language.English, "", "")
c.SetString(language.German, "", "")
saved := DefaultCatalog
defer func() { DefaultCatalog = saved }()
DefaultCatalog = c
testCases := []struct {
args string // '|'-separated list
want string
}{{
args: "de-CH",
want: "de-u-rg-chzzzz",
}, {
args: "bn-u-nu-latn|en-US,en;q=0.9,de;q=0.8,nl;q=0.7",
want: "bn-u-nu-latn",
}, {
args: "gr",
want: "en",
}}
for _, tc := range testCases {
t.Run(tc.args, func(t *testing.T) {
got := MatchLanguage(strings.Split(tc.args, "|")...)
if got != language.Make(tc.want) {
t.Errorf("got %q; want %q", got, tc.want)
}
})
}
}
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