func TestFmtCurrencyParallel(t *testing.T) {
queue := make(chan fmtNumberData)
ncpu := runtime.NumCPU()
prevCPU := runtime.GOMAXPROCS(ncpu)
defer runtime.GOMAXPROCS(prevCPU)
wg := new(sync.WaitGroup)
haveNumber := i18n.NewCurrency(
i18n.SetCurrencyFormat("#,##0.000 ¤", testDefaultNumberSymbols),
i18n.SetCurrencyFraction(3, 0, 0, 0),
)
// spawn workers
for i := 0; i < ncpu; i++ {
wg.Add(1)
go testCurrencyWorker(t, haveNumber, i, queue, wg)
}
// master: give work
for _, test := range genParallelTests(" $") {
queue <- test
}
close(queue)
wg.Wait()
}
func bmFmtCurrency_Non_Singleton(b *testing.B, format, want string, sign int, intgr int64, prec int, frac int64) {
b.ReportAllocs()
for i := 0; i < b.N; i++ {
haveC := i18n.NewCurrency(
i18n.SetCurrencyFormat(format, testDefaultNumberSymbols),
i18n.SetCurrencySign(bmCurrencySign),
)
var buf bytes.Buffer
if _, err := haveC.FmtNumber(&buf, sign, intgr, prec, frac); err != nil {
b.Error(err)
}
have := buf.String()
if have != want {
b.Errorf("Missmatch have %s vs want %s", have, want)
}
benchmarkFmtCurrency = have
}
}
func benchmarkFmtCurrencyFloat64_Non_Singleton(b *testing.B, fl float64, want string) {
b.ReportAllocs()
for i := 0; i < b.N; i++ {
haveC := i18n.NewCurrency(
i18n.SetCurrencyFormat("¤#,##0.00;(¤#,##0.00)", testDefaultNumberSymbols),
i18n.SetCurrencySign(bmCurrencySign),
)
var buf bytes.Buffer
if _, err := haveC.FmtFloat64(&buf, fl); err != nil {
b.Error(err)
}
have := buf.String()
if have != want {
b.Errorf("Missmatch have %s vs want %s", have, want)
}
benchmarkFmtCurrency = have
}
}
Decimal: '.',
Group: 0,
List: ';',
PercentSign: '%',
CurrencySign: '¤',
PlusSign: '+',
MinusSign: '-',
Exponential: 'E',
SuperscriptingExponent: '×',
PerMille: '‰',
Infinity: '∞',
Nan: []byte(`NaN`),
}
var testFmtCur = i18n.NewCurrency(
i18n.SetCurrencyFormat("¤ #,##0.00"),
i18n.SetCurrencySymbols(testDefaultSymbols),
)
var testFmtNum = i18n.NewNumber(
i18n.SetNumberFormat("###0.###"),
i18n.SetNumberSymbols(testDefaultSymbols),
)
func TestString(t *testing.T) {
tests := []struct {
prec int
have int64
want string
}{
{0, 13, "$ 13.00"},
{10, 13, "$ 1.30"},
func TestFmtCurrency2(t *testing.T) {
tests := []struct {
opts []i18n.CurrencyOptions
sign int
i int64
prec int
dec int64
want string
wantErr error
}{
{
[]i18n.CurrencyOptions{
i18n.SetCurrencyFormat("#,##0.00 ¤"),
i18n.SetCurrencyFraction(2, 0, 2, 0), // euro, 2 digits, no rounding
i18n.SetCurrencySign([]byte("€")),
},
-1, -1234, 2, 6, "-1.234,06 €", nil, // euros with default Symbols
},
{
[]i18n.CurrencyOptions{
i18n.SetCurrencyFormat("#,##0.00 ¤"),
i18n.SetCurrencyFraction(2, 0, 2, 0), // euro, 2 digits, no rounding
i18n.SetCurrencySign([]byte("€")),
},
-1, -1234, 1, 6, "-1.234,60 €", nil, // euros with default Symbols
},
{
[]i18n.CurrencyOptions{i18n.SetCurrencyFormat("+#,##0.00 ¤"), i18n.SetCurrencyFraction(2, 0, 2, 0), i18n.SetCurrencySign([]byte("€"))},
0, 1234, 2, 6, "+1.234,06 €", nil, // number is 1234.06
},
{
[]i18n.CurrencyOptions{i18n.SetCurrencyFormat("#,##0. ¤"), i18n.SetCurrencyFraction(2, 0, 2, 0), i18n.SetCurrencySign([]byte("€"))},
1, 1234, 2, 6, "1.234,06 €", nil, // number is 1234.06
},
{
[]i18n.CurrencyOptions{i18n.SetCurrencyFormat("#,##0. ¤"), i18n.SetCurrencyFraction(2, 0, 2, 0), i18n.SetCurrencySign([]byte("€"))},
1, 1234, 3, 6, "1.234,01 €", nil, // number is 1234.006
},
{
[]i18n.CurrencyOptions{i18n.SetCurrencyFormat("#,##0. ¤"), i18n.SetCurrencyFraction(2, 0, 2, 0), i18n.SetCurrencySign([]byte("€"))},
1, 1234, 3, 345, "1.234,35 €", nil, // number is 1234.345
},
{
[]i18n.CurrencyOptions{i18n.SetCurrencyFormat("#,##0. ¤"), i18n.SetCurrencyFraction(2, 0, 2, 0), i18n.SetCurrencySign([]byte("€"))},
1, 1234, 3, 45, "1.234,05 €", nil, // number is 1234.045
},
{
[]i18n.CurrencyOptions{i18n.SetCurrencyFormat("#,##0. ¤"), i18n.SetCurrencyFraction(0, 0, 2, 0), i18n.SetCurrencySign([]byte("€"))},
1, 123456789, 1, 6, "123.456.790 €", nil, // 123456789.6
},
{
[]i18n.CurrencyOptions{i18n.SetCurrencyFormat("#,##0. ¤"), i18n.SetCurrencyFraction(0, 0, 2, 0), i18n.SetCurrencySign([]byte("€"))},
1, 123456789, 2, 6, "123.456.789 €", nil, // 123456789.06
},
{
[]i18n.CurrencyOptions{i18n.SetCurrencyFormat("+0.00 ¤"), i18n.SetCurrencyFraction(2, 0, 2, 0), i18n.SetCurrencySign([]byte("€"))},
-1, 4, 3, 245, "+4,25 €", nil, // 4.245
},
{
[]i18n.CurrencyOptions{i18n.SetCurrencyFormat("¤\u00a0#0.00;¤\u00a0-#0.00"), i18n.SetCurrencyFraction(2, 0, 2, 0), i18n.SetCurrencySign([]byte("€"))},
-1, 4, 2, 245, "€\u00a04,25", i18n.ErrPrecIsTooShort, // 4.245
},
{
[]i18n.CurrencyOptions{i18n.SetCurrencyFormat("¤\u00a0#0.00;¤\u00a0-#0.00"), i18n.SetCurrencyFraction(2, 0, 2, 0), i18n.SetCurrencySign([]byte("€"))},
-1, -12345678, 3, 245, "€\u00a0—12345678,25", nil, // 12345678.245
},
{
[]i18n.CurrencyOptions{i18n.SetCurrencyFormat("¤\u00a0#0.00;¤\u00a0-#0.00"), i18n.SetCurrencyFraction(-1, -1, -1, -1), i18n.SetCurrencySign([]byte(""))},
-1, -12345678, 3, 245, "\uf8ff\u00a0-12345678", nil, // 12345678.245
},
{
[]i18n.CurrencyOptions{i18n.SetCurrencyFormat("¤\u00a0#0.00;¤\u00a0-#0.00"), i18n.SetCurrencyFraction(0, 0, 2, 0), i18n.SetCurrencySign([]byte(""))},
-1, -12345678, 3, 495, "\uf8ff\u00a0-12345679", nil, // 12345678.495
},
{
[]i18n.CurrencyOptions{i18n.SetCurrencyFormat("#,##0.00¤;(#,##0.00¤)"), i18n.SetCurrencyFraction(2, 0, 2, 0), i18n.SetCurrencySign([]byte("C"))},
-1, -12345678, 3, 495, "(12.345.678,50C)", nil, // 12345678.495
},
{
[]i18n.CurrencyOptions{i18n.SetCurrencyFormat("#,##0.00¤;(#,##0.00¤)"), i18n.SetCurrencyFraction(2, 0, 2, 0), i18n.SetCurrencySign([]byte("C"))},
0, 0, 3, 495, "", i18n.ErrCannotDetectMinusSign, // 0.495
},
{
[]i18n.CurrencyOptions{i18n.SetCurrencyFormat("#,##0.00¤;(#,##0.00¤)"), i18n.SetCurrencyFraction(2, 0, 2, 0), i18n.SetCurrencySign([]byte("C"))},
-1, 0, 3, 495, "(0,50C)", nil, // 0.495
},
{
[]i18n.CurrencyOptions{
i18n.SetCurrencyFormat("#,##0.00 ¤"),
i18n.SetCurrencyFraction(0, 0, 0, 0), // japanese yen, no digits no rounding
i18n.SetCurrencySign([]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.SetCurrencySymbols(testDefCurSym))
haveNumber.CSetOptions(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()
}
}
func TestFmtCurrency3(t *testing.T) {
// only to test the default format
tests := []struct {
opts []i18n.CurrencyOptions
sign int
i int64
prec int
dec int64
want string
wantErr error
}{
{
[]i18n.CurrencyOptions{
i18n.SetCurrencyFormat("", testDefCurSym),
i18n.SetCurrencyFraction(2, 0, 2, 0), // euro, 2 digits, no rounding
i18n.SetCurrencySign([]byte("€")),
},
-1, -1234, 2, 6, "€\u00a0-1.234,06", nil, // euros with default Symbols, -1234.06
},
{
[]i18n.CurrencyOptions{
i18n.SetCurrencyFormat("", testDefCurSym),
i18n.SetCurrencyFraction(2, 0, 2, 0), // euro, 2 digits, no rounding
i18n.SetCurrencySign([]byte("€")),
},
-1, -1234, 3, 6, "€\u00a0-1.234,01", nil, // euros with default Symbols, -1234.006
},
{
[]i18n.CurrencyOptions{
i18n.SetCurrencyFormat("", testDefCurSym),
i18n.SetCurrencyFraction(0, 0, 0, 0), // euro, 2 digits, no rounding
i18n.SetCurrencySign([]byte("€")),
},
1, 1234, 2, 495, "€\u00a0-1.235", i18n.ErrPrecIsTooShort, // euros with default Symbols, -1234.495
},
{
[]i18n.CurrencyOptions{
i18n.SetCurrencyFormat("", testDefCurSym),
i18n.SetCurrencyFraction(0, 0, 0, 0), // euro, 2 digits, no rounding
i18n.SetCurrencySign([]byte("€")),
},
1, 1234, 2, 44, "€\u00a01.234", nil, // euros with default Symbols, -1234.495
},
}
var buf bytes.Buffer
for _, test := range tests {
haveNumber := i18n.NewCurrency(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()
}
}