Group: 0, List: ';', PercentSign: '%', CurrencySign: '¤', PlusSign: '+', MinusSign: '-', Exponential: 'E', SuperscriptingExponent: '×', PerMille: '‰', Infinity: '∞', Nan: []byte(`NaN`), } var testFmtCur = i18n.NewCurrency( i18n.CurrencyFormat("¤ #,##0.00"), i18n.CurrencySymbols(testDefaultSymbols), ) var testFmtNum = i18n.NewNumber( i18n.NumberFormat("###0.###"), i18n.NumberSymbols(testDefaultSymbols), ) func TestString(t *testing.T) { tests := []struct { prec int have int64 want string }{ {0, 13, "$ 13.00"}, {10, 13, "$ 1.30"}, {100, 13, "$ 0.13"},
func TestFmtCurrency2(t *testing.T) { tests := []struct { opts []i18n.CurrencyOptFunc sign int i int64 prec int dec int64 want string wantErr error }{ { []i18n.CurrencyOptFunc{ i18n.CurrencyFormat("#,##0.00 ¤"), i18n.CurrencyFraction(2, 0, 2, 0), // euro, 2 digits, no rounding i18n.CurrencySign([]byte("€")), }, -1, -1234, 2, 6, "-1.234,06 €", nil, // euros with default Symbols }, { []i18n.CurrencyOptFunc{ i18n.CurrencyFormat("#,##0.00 ¤"), i18n.CurrencyFraction(2, 0, 2, 0), // euro, 2 digits, no rounding i18n.CurrencySign([]byte("€")), }, -1, -1234, 1, 6, "-1.234,60 €", nil, // euros with default Symbols }, { []i18n.CurrencyOptFunc{i18n.CurrencyFormat("+#,##0.00 ¤"), i18n.CurrencyFraction(2, 0, 2, 0), i18n.CurrencySign([]byte("€"))}, 0, 1234, 2, 6, "+1.234,06 €", nil, // number is 1234.06 }, { []i18n.CurrencyOptFunc{i18n.CurrencyFormat("#,##0. ¤"), i18n.CurrencyFraction(2, 0, 2, 0), i18n.CurrencySign([]byte("€"))}, 1, 1234, 2, 6, "1.234,06 €", nil, // number is 1234.06 }, { []i18n.CurrencyOptFunc{i18n.CurrencyFormat("#,##0. ¤"), i18n.CurrencyFraction(2, 0, 2, 0), i18n.CurrencySign([]byte("€"))}, 1, 1234, 3, 6, "1.234,01 €", nil, // number is 1234.006 }, { []i18n.CurrencyOptFunc{i18n.CurrencyFormat("#,##0. ¤"), i18n.CurrencyFraction(2, 0, 2, 0), i18n.CurrencySign([]byte("€"))}, 1, 1234, 3, 345, "1.234,35 €", nil, // number is 1234.345 }, { []i18n.CurrencyOptFunc{i18n.CurrencyFormat("#,##0. ¤"), i18n.CurrencyFraction(2, 0, 2, 0), i18n.CurrencySign([]byte("€"))}, 1, 1234, 3, 45, "1.234,05 €", nil, // number is 1234.045 }, { []i18n.CurrencyOptFunc{i18n.CurrencyFormat("#,##0. ¤"), i18n.CurrencyFraction(0, 0, 2, 0), i18n.CurrencySign([]byte("€"))}, 1, 123456789, 1, 6, "123.456.790 €", nil, // 123456789.6 }, { []i18n.CurrencyOptFunc{i18n.CurrencyFormat("#,##0. ¤"), i18n.CurrencyFraction(0, 0, 2, 0), i18n.CurrencySign([]byte("€"))}, 1, 123456789, 2, 6, "123.456.789 €", nil, // 123456789.06 }, { []i18n.CurrencyOptFunc{i18n.CurrencyFormat("+0.00 ¤"), i18n.CurrencyFraction(2, 0, 2, 0), i18n.CurrencySign([]byte("€"))}, -1, 4, 3, 245, "+4,25 €", nil, // 4.245 }, { []i18n.CurrencyOptFunc{i18n.CurrencyFormat("¤\u00a0#0.00;¤\u00a0-#0.00"), i18n.CurrencyFraction(2, 0, 2, 0), i18n.CurrencySign([]byte("€"))}, -1, 4, 2, 245, "€\u00a04,25", i18n.ErrPrecIsTooShort, // 4.245 }, { []i18n.CurrencyOptFunc{i18n.CurrencyFormat("¤\u00a0#0.00;¤\u00a0-#0.00"), i18n.CurrencyFraction(2, 0, 2, 0), i18n.CurrencySign([]byte("€"))}, -1, -12345678, 3, 245, "€\u00a0—12345678,25", nil, // 12345678.245 }, { []i18n.CurrencyOptFunc{i18n.CurrencyFormat("¤\u00a0#0.00;¤\u00a0-#0.00"), i18n.CurrencyFraction(-1, -1, -1, -1), i18n.CurrencySign([]byte(""))}, -1, -12345678, 3, 245, "\uf8ff\u00a0-12345678", nil, // 12345678.245 }, { []i18n.CurrencyOptFunc{i18n.CurrencyFormat("¤\u00a0#0.00;¤\u00a0-#0.00"), i18n.CurrencyFraction(0, 0, 2, 0), i18n.CurrencySign([]byte(""))}, -1, -12345678, 3, 495, "\uf8ff\u00a0-12345679", nil, // 12345678.495 }, { []i18n.CurrencyOptFunc{i18n.CurrencyFormat("#,##0.00¤;(#,##0.00¤)"), i18n.CurrencyFraction(2, 0, 2, 0), i18n.CurrencySign([]byte("C"))}, -1, -12345678, 3, 495, "(12.345.678,50C)", nil, // 12345678.495 }, { []i18n.CurrencyOptFunc{i18n.CurrencyFormat("#,##0.00¤;(#,##0.00¤)"), i18n.CurrencyFraction(2, 0, 2, 0), i18n.CurrencySign([]byte("C"))}, 0, 0, 3, 495, "", i18n.ErrCannotDetectMinusSign, // 0.495 }, { []i18n.CurrencyOptFunc{i18n.CurrencyFormat("#,##0.00¤;(#,##0.00¤)"), i18n.CurrencyFraction(2, 0, 2, 0), i18n.CurrencySign([]byte("C"))}, -1, 0, 3, 495, "(0,50C)", nil, // 0.495 }, { []i18n.CurrencyOptFunc{ i18n.CurrencyFormat("#,##0.00 ¤"), i18n.CurrencyFraction(0, 0, 0, 0), // japanese yen, no digits no rounding i18n.CurrencySign([]byte("¥JP")), }, 1, 1234, 3, 456, "1.235 ¥JP", nil, // yen with default symbols }, } var buf bytes.Buffer for _, test := range tests { haveNumber := i18n.NewCurrency(i18n.CurrencySymbols(testDefCurSym)) haveNumber.COptions(test.opts...) _, err := haveNumber.FmtNumber(&buf, test.sign, test.i, test.prec, test.dec) have := buf.String() if test.wantErr != nil { assert.Error(t, err) assert.EqualError(t, err, test.wantErr.Error()) } else { assert.NoError(t, err) assert.EqualValues(t, test.want, have, "%v", test) } buf.Reset() } }