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: / opt / go / pkg / mod / golang.org / x / text@v0.21.0 / message /

Filename : catalog_test.go

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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)
			}
		})
	}
}