mirror of
https://github.com/restic/restic.git
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191 lines
4.3 KiB
Go
191 lines
4.3 KiB
Go
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// Copyright 2017 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 number
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import (
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"strings"
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"testing"
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"golang.org/x/text/language"
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"golang.org/x/text/message"
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)
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func TestFormatter(t *testing.T) {
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overrides := map[string]string{
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"en": "*e#######0",
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"nl": "*n#######0",
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}
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testCases := []struct {
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desc string
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tag string
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f Formatter
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want string
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}{{
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desc: "decimal",
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f: Decimal(3),
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want: "3",
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}, {
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desc: "decimal fraction",
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f: Decimal(0.123),
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want: "0.123",
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}, {
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desc: "separators",
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f: Decimal(1234.567),
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want: "1,234.567",
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}, {
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desc: "no separators",
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f: Decimal(1234.567, NoSeparator()),
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want: "1234.567",
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}, {
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desc: "max integer",
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f: Decimal(1973, MaxIntegerDigits(2)),
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want: "73",
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}, {
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desc: "max integer overflow",
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f: Decimal(1973, MaxIntegerDigits(1000)),
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want: "1,973",
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}, {
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desc: "min integer",
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f: Decimal(12, MinIntegerDigits(5)),
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want: "00,012",
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}, {
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desc: "max fraction zero",
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f: Decimal(0.12345, MaxFractionDigits(0)),
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want: "0",
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}, {
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desc: "max fraction 2",
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f: Decimal(0.12, MaxFractionDigits(2)),
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want: "0.12",
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}, {
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desc: "min fraction 2",
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f: Decimal(0.12, MaxFractionDigits(2)),
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want: "0.12",
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}, {
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desc: "max fraction overflow",
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f: Decimal(0.125, MaxFractionDigits(1e6)),
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want: "0.125",
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}, {
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desc: "min integer overflow",
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f: Decimal(0, MinIntegerDigits(1e6)),
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want: strings.Repeat("000,", 255/3-1) + "000",
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}, {
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desc: "min fraction overflow",
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f: Decimal(0, MinFractionDigits(1e6)),
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want: "0." + strings.Repeat("0", 255), // TODO: fraction separators
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}, {
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desc: "format width",
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f: Decimal(123, FormatWidth(10)),
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want: " 123",
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}, {
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desc: "format width pad option before",
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f: Decimal(123, Pad('*'), FormatWidth(10)),
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want: "*******123",
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}, {
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desc: "format width pad option after",
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f: Decimal(123, FormatWidth(10), Pad('*')),
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want: "*******123",
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}, {
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desc: "format width illegal",
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f: Decimal(123, FormatWidth(-1)),
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want: "123",
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}, {
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desc: "increment",
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f: Decimal(10.33, IncrementString("0.5")),
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want: "10.5",
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}, {
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desc: "increment",
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f: Decimal(10, IncrementString("ppp")),
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want: "10",
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}, {
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desc: "increment and scale",
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f: Decimal(10.33, IncrementString("0.5"), Scale(2)),
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want: "10.50",
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}, {
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desc: "pattern overrides en",
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tag: "en",
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f: Decimal(101, PatternOverrides(overrides)),
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want: "eeeee101",
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}, {
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desc: "pattern overrides nl",
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tag: "nl",
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f: Decimal(101, PatternOverrides(overrides)),
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want: "nnnnn101",
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}, {
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desc: "pattern overrides de",
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tag: "de",
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f: Decimal(101, PatternOverrides(overrides)),
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want: "101",
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}, {
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desc: "language selection",
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tag: "bn",
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f: Decimal(123456.78, Scale(2)),
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want: "১,২৩,৪৫৬.৭৮",
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}, {
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desc: "scale",
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f: Decimal(1234.567, Scale(2)),
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want: "1,234.57",
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}, {
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desc: "scientific",
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f: Scientific(3.00),
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want: "3\u202f×\u202f10⁰",
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}, {
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desc: "scientific",
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f: Scientific(1234),
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want: "1.234\u202f×\u202f10³",
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}, {
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desc: "scientific",
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f: Scientific(1234, Scale(2)),
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want: "1.23\u202f×\u202f10³",
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}, {
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desc: "engineering",
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f: Engineering(12345),
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want: "12.345\u202f×\u202f10³",
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}, {
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desc: "engineering scale",
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f: Engineering(12345, Scale(2)),
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want: "12.34\u202f×\u202f10³",
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}, {
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desc: "engineering precision(4)",
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f: Engineering(12345, Precision(4)),
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want: "12.34\u202f×\u202f10³",
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}, {
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desc: "engineering precision(2)",
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f: Engineering(1234.5, Precision(2)),
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want: "1.2\u202f×\u202f10³",
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}, {
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desc: "percent",
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f: Percent(0.12),
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want: "12%",
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}, {
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desc: "permille",
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f: PerMille(0.123),
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want: "123‰",
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}, {
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desc: "percent rounding",
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f: PerMille(0.12345),
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want: "123‰",
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}, {
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desc: "percent fraction",
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f: PerMille(0.12345, Scale(2)),
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want: "123.45‰",
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}, {
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desc: "percent fraction",
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f: PerMille(0.12344, Scale(1)),
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want: "123.4‰",
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}}
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for _, tc := range testCases {
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t.Run(tc.desc, func(t *testing.T) {
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tag := language.Und
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if tc.tag != "" {
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tag = language.MustParse(tc.tag)
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}
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got := message.NewPrinter(tag).Sprint(tc.f)
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if got != tc.want {
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t.Errorf("got %q; want %q", got, tc.want)
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}
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})
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}
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}
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