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// Copyright 2016 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 number
import (
"fmt"
"testing"
"golang.org/x/text/internal/testtext"
"golang.org/x/text/language"
)
func TestInfo(t *testing.T) {
testCases := []struct {
lang string
sym SymbolType
wantSym string
wantNine rune
}{
{"und", SymDecimal, ".", '9'},
{"de", SymGroup, ".", '9'},
{"de-BE", SymGroup, ".", '9'}, // inherits from de (no number data in CLDR)
{"de-BE-oxendict", SymGroup, ".", '9'}, // inherits from de (no compact index)
// U+096F DEVANAGARI DIGIT NINE ('९')
{"de-BE-u-nu-deva", SymGroup, ".", '\u096f'}, // miss -> latn -> de
{"de-Cyrl-BE", SymGroup, ",", '9'}, // inherits from root
{"de-CH", SymGroup, "’", '9'}, // overrides values in de
{"de-CH-oxendict", SymGroup, "’", '9'}, // inherits from de-CH (no compact index)
{"de-CH-u-nu-deva", SymGroup, "’", '\u096f'}, // miss -> latn -> de-CH
{"bn-u-nu-beng", SymGroup, ",", '\u09ef'},
{"bn-u-nu-deva", SymGroup, ",", '\u096f'},
{"bn-u-nu-latn", SymGroup, ",", '9'},
{"pa", SymExponential, "E", '9'},
// "×۱۰^" -> U+00d7 U+06f1 U+06f0^"
// U+06F0 EXTENDED ARABIC-INDIC DIGIT ZERO
// U+06F1 EXTENDED ARABIC-INDIC DIGIT ONE
// U+06F9 EXTENDED ARABIC-INDIC DIGIT NINE
{"pa-u-nu-arabext", SymExponential, "\u00d7\u06f1\u06f0^", '\u06f9'},
// "གྲངས་མེད" - > U+0f42 U+0fb2 U+0f44 U+0f66 U+0f0b U+0f58 U+0f7a U+0f51
// Examples:
// U+0F29 TIBETAN DIGIT NINE (༩)
{"dz", SymInfinity, "\u0f42\u0fb2\u0f44\u0f66\u0f0b\u0f58\u0f7a\u0f51", '\u0f29'}, // defaults to tibt
{"dz-u-nu-latn", SymInfinity, "∞", '9'}, // select alternative
{"dz-u-nu-tibt", SymInfinity, "\u0f42\u0fb2\u0f44\u0f66\u0f0b\u0f58\u0f7a\u0f51", '\u0f29'},
{"en-u-nu-tibt", SymInfinity, "∞", '\u0f29'},
// algorithmic number systems fall back to ASCII if Digits is used.
{"en-u-nu-hanidec", SymPlusSign, "+", '9'},
{"en-u-nu-roman", SymPlusSign, "+", '9'},
}
for _, tc := range testCases {
t.Run(fmt.Sprintf("%s:%v", tc.lang, tc.sym), func(t *testing.T) {
info := InfoFromTag(language.MustParse(tc.lang))
if got := info.Symbol(tc.sym); got != tc.wantSym {
t.Errorf("sym: got %q; want %q", got, tc.wantSym)
}
if got := info.Digit('9'); got != tc.wantNine {
t.Errorf("Digit(9): got %+q; want %+q", got, tc.wantNine)
}
var buf [4]byte
if got := string(buf[:info.WriteDigit(buf[:], '9')]); got != string(tc.wantNine) {
t.Errorf("WriteDigit(9): got %+q; want %+q", got, tc.wantNine)
}
if got := string(info.AppendDigit([]byte{}, 9)); got != string(tc.wantNine) {
t.Errorf("AppendDigit(9): got %+q; want %+q", got, tc.wantNine)
}
})
}
}
func TestFormats(t *testing.T) {
testCases := []struct {
lang string
pattern string
index []byte
}{
{"en", "#,##0.###", tagToDecimal},
{"de", "#,##0.###", tagToDecimal},
{"de-CH", "#,##0.###", tagToDecimal},
{"pa", "#,##,##0.###", tagToDecimal},
{"pa-Arab", "#,##0.###", tagToDecimal}, // Does NOT inherit from pa!
{"mr", "#,##,##0.###", tagToDecimal},
{"mr-IN", "#,##,##0.###", tagToDecimal}, // Inherits from mr.
{"nl", "#E0", tagToScientific},
{"nl-MX", "#E0", tagToScientific}, // Inherits through Tag.Parent.
{"zgh", "#,##0 %", tagToPercent},
}
for _, tc := range testCases {
testtext.Run(t, tc.lang, func(t *testing.T) {
got := formatForLang(language.MustParse(tc.lang), tc.index)
want, _ := ParsePattern(tc.pattern)
if *got != *want {
t.Errorf("\ngot %#v;\nwant %#v", got, want)
}
})
}
}
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