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38 lines
813 B
Go
38 lines
813 B
Go
// Copyright 2015 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package internal
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import (
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"fmt"
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"strings"
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"testing"
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"golang.org/x/text/language"
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)
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func TestUnique(t *testing.T) {
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testCases := []struct {
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in, want string
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}{
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{"", "[]"},
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{"en", "[en]"},
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{"en en", "[en]"},
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{"en en en", "[en]"},
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{"en-u-cu-eur en", "[en en-u-cu-eur]"},
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{"nl en", "[en nl]"},
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{"pt-Pt pt", "[pt pt-PT]"},
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}
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for _, tc := range testCases {
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tags := []language.Tag{}
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for _, s := range strings.Split(tc.in, " ") {
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if s != "" {
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tags = append(tags, language.MustParse(s))
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}
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}
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if got := fmt.Sprint(UniqueTags(tags)); got != tc.want {
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t.Errorf("Unique(%s) = %s; want %s", tc.in, got, tc.want)
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}
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}
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}
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