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-rw-r--r--vendor/golang.org/x/text/internal/number/format_test.go522
1 files changed, 522 insertions, 0 deletions
diff --git a/vendor/golang.org/x/text/internal/number/format_test.go b/vendor/golang.org/x/text/internal/number/format_test.go
new file mode 100644
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+++ b/vendor/golang.org/x/text/internal/number/format_test.go
@@ -0,0 +1,522 @@
+// 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 number
+
+import (
+ "fmt"
+ "log"
+ "testing"
+
+ "golang.org/x/text/language"
+)
+
+func TestAppendDecimal(t *testing.T) {
+ type pairs map[string]string // alternates with decimal input and result
+
+ testCases := []struct {
+ pattern string
+ // We want to be able to test some forms of patterns that cannot be
+ // represented as a string.
+ pat *Pattern
+
+ test pairs
+ }{{
+ pattern: "0",
+ test: pairs{
+ "0": "0",
+ "1": "1",
+ "-1": "-1",
+ ".00": "0",
+ "10.": "10",
+ "12": "12",
+ "1.2": "1",
+ "NaN": "NaN",
+ "-Inf": "-∞",
+ },
+ }, {
+ pattern: "+0;+0",
+ test: pairs{
+ "0": "+0",
+ "1": "+1",
+ "-1": "-1",
+ ".00": "+0",
+ "10.": "+10",
+ "12": "+12",
+ "1.2": "+1",
+ "NaN": "NaN",
+ "-Inf": "-∞",
+ "Inf": "+∞",
+ },
+ }, {
+ pattern: "0 +;0 +",
+ test: pairs{
+ "0": "0 +",
+ "1": "1 +",
+ "-1": "1 -",
+ ".00": "0 +",
+ },
+ }, {
+ pattern: "0;0-",
+ test: pairs{
+ "-1": "1-",
+ "NaN": "NaN",
+ "-Inf": "∞-",
+ "Inf": "∞",
+ },
+ }, {
+ pattern: "0000",
+ test: pairs{
+ "0": "0000",
+ "1": "0001",
+ "12": "0012",
+ "12345": "12345",
+ },
+ }, {
+ pattern: ".0",
+ test: pairs{
+ "0": ".0",
+ "1": "1.0",
+ "1.2": "1.2",
+ "1.2345": "1.2",
+ },
+ }, {
+ pattern: "#.0",
+ test: pairs{
+ "0": ".0",
+ },
+ }, {
+ pattern: "#.0#",
+ test: pairs{
+ "0": ".0",
+ "1": "1.0",
+ },
+ }, {
+ pattern: "0.0#",
+ test: pairs{
+ "0": "0.0",
+ },
+ }, {
+ pattern: "#0.###",
+ test: pairs{
+ "0": "0",
+ "1": "1",
+ "1.2": "1.2",
+ "1.2345": "1.234", // rounding should have been done earlier
+ "1234.5": "1234.5",
+ "1234.567": "1234.567",
+ },
+ }, {
+ pattern: "#0.######",
+ test: pairs{
+ "0": "0",
+ "1234.5678": "1234.5678",
+ "0.123456789": "0.123457",
+ "NaN": "NaN",
+ "Inf": "∞",
+ },
+
+ // Test separators.
+ }, {
+ pattern: "#,#.00",
+ test: pairs{
+ "100": "1,0,0.00",
+ },
+ }, {
+ pattern: "#,0.##",
+ test: pairs{
+ "10": "1,0",
+ },
+ }, {
+ pattern: "#,0",
+ test: pairs{
+ "10": "1,0",
+ },
+ }, {
+ pattern: "#,##,#.00",
+ test: pairs{
+ "1000": "1,00,0.00",
+ },
+ }, {
+ pattern: "#,##0.###",
+ test: pairs{
+ "0": "0",
+ "1234.5678": "1,234.568",
+ "0.123456789": "0.123",
+ },
+ }, {
+ pattern: "#,##,##0.###",
+ test: pairs{
+ "0": "0",
+ "123456789012": "1,23,45,67,89,012",
+ "0.123456789": "0.123",
+ },
+ }, {
+ pattern: "0,00,000.###",
+ test: pairs{
+ "0": "0,00,000",
+ "123456789012": "1,23,45,67,89,012",
+ "12.3456789": "0,00,012.346",
+ "0.123456789": "0,00,000.123",
+ },
+
+ // Support for ill-formed patterns.
+ }, {
+ pattern: "#",
+ test: pairs{
+ ".00": "", // This is the behavior of fmt.
+ "0": "", // This is the behavior of fmt.
+ "1": "1",
+ "10.": "10",
+ },
+ }, {
+ pattern: ".#",
+ test: pairs{
+ "0": "", // This is the behavior of fmt.
+ "1": "1",
+ "1.2": "1.2",
+ "1.2345": "1.2",
+ },
+ }, {
+ pattern: "#,#.##",
+ test: pairs{
+ "10": "1,0",
+ },
+ }, {
+ pattern: "#,#",
+ test: pairs{
+ "10": "1,0",
+ },
+
+ // Special patterns
+ }, {
+ pattern: "#,max_int=2",
+ pat: &Pattern{
+ RoundingContext: RoundingContext{
+ MaxIntegerDigits: 2,
+ },
+ },
+ test: pairs{
+ "2017": "17",
+ },
+ }, {
+ pattern: "0,max_int=2",
+ pat: &Pattern{
+ RoundingContext: RoundingContext{
+ MaxIntegerDigits: 2,
+ MinIntegerDigits: 1,
+ },
+ },
+ test: pairs{
+ "2000": "0",
+ "2001": "1",
+ "2017": "17",
+ },
+ }, {
+ pattern: "00,max_int=2",
+ pat: &Pattern{
+ RoundingContext: RoundingContext{
+ MaxIntegerDigits: 2,
+ MinIntegerDigits: 2,
+ },
+ },
+ test: pairs{
+ "2000": "00",
+ "2001": "01",
+ "2017": "17",
+ },
+ }, {
+ pattern: "@@@@,max_int=2",
+ pat: &Pattern{
+ RoundingContext: RoundingContext{
+ MaxIntegerDigits: 2,
+ MinSignificantDigits: 4,
+ },
+ },
+ test: pairs{
+ "2017": "17.00",
+ "2000": "0.000",
+ "2001": "1.000",
+ },
+
+ // Significant digits
+ }, {
+ pattern: "@@##",
+ test: pairs{
+ "1": "1.0",
+ "0.1": "0.10", // leading zero does not count as significant digit
+ "123": "123",
+ "1234": "1234",
+ "12345": "12340",
+ },
+ }, {
+ pattern: "@@@@",
+ test: pairs{
+ "1": "1.000",
+ ".1": "0.1000",
+ ".001": "0.001000",
+ "123": "123.0",
+ "1234": "1234",
+ "12345": "12340", // rounding down
+ "NaN": "NaN",
+ "-Inf": "-∞",
+ },
+
+ // TODO: rounding
+ // {"@@@@": "23456": "23460"}, // rounding up
+ // TODO: padding
+
+ // Scientific and Engineering notation
+ }, {
+ pattern: "#E0",
+ test: pairs{
+ "0": "0\u202f×\u202f10⁰",
+ "1": "1\u202f×\u202f10⁰",
+ "123.456": "1\u202f×\u202f10²",
+ },
+ }, {
+ pattern: "#E+0",
+ test: pairs{
+ "0": "0\u202f×\u202f10⁺⁰",
+ "1000": "1\u202f×\u202f10⁺³",
+ "1E100": "1\u202f×\u202f10⁺¹⁰⁰",
+ "1E-100": "1\u202f×\u202f10⁻¹⁰⁰",
+ "NaN": "NaN",
+ "-Inf": "-∞",
+ },
+ }, {
+ pattern: "##0E00",
+ test: pairs{
+ "100": "100\u202f×\u202f10⁰⁰",
+ "12345": "12\u202f×\u202f10⁰³",
+ "123.456": "123\u202f×\u202f10⁰⁰",
+ },
+ }, {
+ pattern: "##0.###E00",
+ test: pairs{
+ "100": "100\u202f×\u202f10⁰⁰",
+ "12345": "12.345\u202f×\u202f10⁰³",
+ "123456": "123.456\u202f×\u202f10⁰³",
+ "123.456": "123.456\u202f×\u202f10⁰⁰",
+ "123.4567": "123.457\u202f×\u202f10⁰⁰",
+ },
+ }, {
+ pattern: "##0.000E00",
+ test: pairs{
+ "100": "100.000\u202f×\u202f10⁰⁰",
+ "12345": "12.345\u202f×\u202f10⁰³",
+ "123.456": "123.456\u202f×\u202f10⁰⁰",
+ "12.3456": "12.346\u202f×\u202f10⁰⁰",
+ },
+ }, {
+ pattern: "@@E0",
+ test: pairs{
+ "0": "0.0\u202f×\u202f10⁰",
+ "99": "9.9\u202f×\u202f10¹",
+ "0.99": "9.9\u202f×\u202f10⁻¹",
+ },
+ }, {
+ pattern: "@###E00",
+ test: pairs{
+ "0": "0\u202f×\u202f10⁰⁰",
+ "1": "1\u202f×\u202f10⁰⁰",
+ "11": "1.1\u202f×\u202f10⁰¹",
+ "111": "1.11\u202f×\u202f10⁰²",
+ "1111": "1.111\u202f×\u202f10⁰³",
+ "11111": "1.111\u202f×\u202f10⁰⁴",
+ "0.1": "1\u202f×\u202f10⁻⁰¹",
+ "0.11": "1.1\u202f×\u202f10⁻⁰¹",
+ "0.001": "1\u202f×\u202f10⁻⁰³",
+ },
+ }, {
+ pattern: "*x##0",
+ test: pairs{
+ "0": "xx0",
+ "10": "x10",
+ "100": "100",
+ "1000": "1000",
+ },
+ }, {
+ pattern: "##0*x",
+ test: pairs{
+ "0": "0xx",
+ "10": "10x",
+ "100": "100",
+ "1000": "1000",
+ },
+ }, {
+ pattern: "* ###0.000",
+ test: pairs{
+ "0": " 0.000",
+ "123": " 123.000",
+ "123.456": " 123.456",
+ "1234.567": "1234.567",
+ },
+ }, {
+ pattern: "**0.0#######E00",
+ test: pairs{
+ "0": "***0.0\u202f×\u202f10⁰⁰",
+ "10": "***1.0\u202f×\u202f10⁰¹",
+ "11": "***1.1\u202f×\u202f10⁰¹",
+ "111": "**1.11\u202f×\u202f10⁰²",
+ "1111": "*1.111\u202f×\u202f10⁰³",
+ "11111": "1.1111\u202f×\u202f10⁰⁴",
+ "11110": "*1.111\u202f×\u202f10⁰⁴",
+ "11100": "**1.11\u202f×\u202f10⁰⁴",
+ "11000": "***1.1\u202f×\u202f10⁰⁴",
+ "10000": "***1.0\u202f×\u202f10⁰⁴",
+ },
+ }, {
+ pattern: "*xpre0suf",
+ test: pairs{
+ "0": "pre0suf",
+ "10": "pre10suf",
+ },
+ }, {
+ pattern: "*∞ pre ###0 suf",
+ test: pairs{
+ "0": "∞∞∞ pre 0 suf",
+ "10": "∞∞ pre 10 suf",
+ "100": "∞ pre 100 suf",
+ "1000": " pre 1000 suf",
+ },
+ }, {
+ pattern: "pre *∞###0 suf",
+ test: pairs{
+ "0": "pre ∞∞∞0 suf",
+ "10": "pre ∞∞10 suf",
+ "100": "pre ∞100 suf",
+ "1000": "pre 1000 suf",
+ },
+ }, {
+ pattern: "pre ###0*∞ suf",
+ test: pairs{
+ "0": "pre 0∞∞∞ suf",
+ "10": "pre 10∞∞ suf",
+ "100": "pre 100∞ suf",
+ "1000": "pre 1000 suf",
+ },
+ }, {
+ pattern: "pre ###0 suf *∞",
+ test: pairs{
+ "0": "pre 0 suf ∞∞∞",
+ "10": "pre 10 suf ∞∞",
+ "100": "pre 100 suf ∞",
+ "1000": "pre 1000 suf ",
+ },
+ }, {
+ // Take width of positive pattern.
+ pattern: "**###0;**-#####0x",
+ test: pairs{
+ "0": "***0",
+ "-1": "*-1x",
+ },
+ }, {
+ pattern: "0.00%",
+ test: pairs{
+ "0.1": "10.00%",
+ },
+ }, {
+ pattern: "0.##%",
+ test: pairs{
+ "0.1": "10%",
+ "0.11": "11%",
+ "0.111": "11.1%",
+ "0.1111": "11.11%",
+ "0.11111": "11.11%",
+ },
+ }, {
+ pattern: "‰ 0.0#",
+ test: pairs{
+ "0.1": "‰ 100.0",
+ "0.11": "‰ 110.0",
+ "0.111": "‰ 111.0",
+ "0.1111": "‰ 111.1",
+ "0.11111": "‰ 111.11",
+ "0.111111": "‰ 111.11",
+ },
+ }}
+
+ // TODO:
+ // "#,##0.00¤",
+ // "#,##0.00 ¤;(#,##0.00 ¤)",
+
+ for _, tc := range testCases {
+ pat := tc.pat
+ if pat == nil {
+ var err error
+ if pat, err = ParsePattern(tc.pattern); err != nil {
+ log.Fatal(err)
+ }
+ }
+ var f Formatter
+ f.InitPattern(language.English, pat)
+ for num, want := range tc.test {
+ buf := make([]byte, 100)
+ t.Run(tc.pattern+"/"+num, func(t *testing.T) {
+ var d Decimal
+ d.Convert(f.RoundingContext, dec(num))
+ buf = f.Format(buf[:0], &d)
+ if got := string(buf); got != want {
+ t.Errorf("\n got %[1]q (%[1]s)\nwant %[2]q (%[2]s)", got, want)
+ }
+ })
+ }
+ }
+}
+
+func TestLocales(t *testing.T) {
+ testCases := []struct {
+ tag language.Tag
+ num string
+ want string
+ }{
+ {language.Make("en"), "123456.78", "123,456.78"},
+ {language.Make("de"), "123456.78", "123.456,78"},
+ {language.Make("de-CH"), "123456.78", "123’456.78"},
+ {language.Make("fr"), "123456.78", "123 456,78"},
+ {language.Make("bn"), "123456.78", "১,২৩,৪৫৬.৭৮"},
+ }
+ for _, tc := range testCases {
+ t.Run(fmt.Sprint(tc.tag, "/", tc.num), func(t *testing.T) {
+ var f Formatter
+ f.InitDecimal(tc.tag)
+ var d Decimal
+ d.Convert(f.RoundingContext, dec(tc.num))
+ b := f.Format(nil, &d)
+ if got := string(b); got != tc.want {
+ t.Errorf("got %[1]q (%[1]s); want %[2]q (%[2]s)", got, tc.want)
+ }
+ })
+ }
+}
+
+func TestFormatters(t *testing.T) {
+ var f Formatter
+ testCases := []struct {
+ init func(t language.Tag)
+ num string
+ want string
+ }{
+ {f.InitDecimal, "123456.78", "123,456.78"},
+ {f.InitScientific, "123456.78", "1.23\u202f×\u202f10⁵"},
+ {f.InitEngineering, "123456.78", "123.46\u202f×\u202f10³"},
+ {f.InitEngineering, "1234", "1.23\u202f×\u202f10³"},
+
+ {f.InitPercent, "0.1234", "12.34%"},
+ {f.InitPerMille, "0.1234", "123.40‰"},
+ }
+ for i, tc := range testCases {
+ t.Run(fmt.Sprint(i, "/", tc.num), func(t *testing.T) {
+ tc.init(language.English)
+ f.SetScale(2)
+ var d Decimal
+ d.Convert(f.RoundingContext, dec(tc.num))
+ b := f.Format(nil, &d)
+ if got := string(b); got != tc.want {
+ t.Errorf("got %[1]q (%[1]s); want %[2]q (%[2]s)", got, tc.want)
+ }
+ })
+ }
+}