func TestScan(t *testing.T) {
tests := []struct {
src interface{}
want string
wantErr error
}{
{nil, `NaN`, nil},
{[]byte{0x39, 0x39, 0x39, 0x2e, 0x30, 0x30, 0x30, 0x30}, `999.0000`, nil},
{[]byte{0x37, 0x30, 0x35, 0x2e, 0x39, 0x39, 0x33, 0x33}, `705.9933`, nil},
{[]byte{0x37, 0x30, 0x35, 0x2e, 0x39, 0x39, 0x33, 0x33}, `705.9933`, nil},
{[]byte{0x37, 0x30, 0x35, 0x2e, 0x39, 0x39, 0x33, 0x33}, `705.9933`, nil},
{[]byte{0x37, 0x30, 0x35, 0x2e, 0x39, 0x39, 0x33, 0x33}, `705.9933`, nil},
{[]byte{0x37, 0x30, 0x35, 0x2e, 0x19, 0x39, 0x33, 0x13}, `0.0000`, strconv.ErrSyntax},
{[]byte{0x37, 0x33}, `73.0000`, nil},
{[]byte{0x37, 0x38}, `78.0000`, nil},
{[]byte{0x37, 0x34}, `74.0000`, nil},
{[]byte{0x37, 0x37}, `77.0000`, nil},
{[]byte{0xa7, 0x3e}, `0.0000`, strconv.ErrSyntax},
{int(33), `0.0000`, errors.New("Unsupported Type int for value. Supported: []byte")},
}
var buf bytes.Buffer
for _, test := range tests {
var c money.Currency
err := c.Scan(test.src)
c.Option(
money.FormatCurrency(testFmtCur),
money.FormatNumber(testFmtNum),
)
if test.wantErr != nil {
assert.Error(t, err, "%v", test)
assert.Contains(t, err.Error(), test.wantErr.Error())
} else {
assert.NoError(t, err, "%v", test)
assert.EqualValues(t, test.want, string(c.Ftoa()), "%v", test)
if _, err := c.NumberWriter(&buf); err != nil {
t.Error(err)
}
buf.WriteString("; ")
}
}
want := `NaN; 999.000; 705.993; 705.993; 705.993; 705.993; 73.000; 78.000; 74.000; 77.000; `
have := buf.String()
if want != have {
t.Errorf("\nHave: %s\n\nWant: %s\n", have, want)
}
}
// Benchmark_MoneyScan 3000000 504 ns/op 136 B/op 2 allocs/op => Go 1.4.2
// Benchmark_MoneyScan 5000000 386 ns/op 144 B/op 2 allocs/op => Go 1.5.0
func Benchmark_MoneyScan(b *testing.B) {
var d interface{}
d = []byte{0x37, 0x30, 0x35, 0x2e, 0x39, 0x39, 0x33, 0x33}
var want float64 = 705.993300
b.ReportAllocs()
b.ResetTimer()
for i := 0; i < b.N; i++ {
var c money.Currency
c.Scan(d)
benchmarkMoneyScan = c.Getf()
if benchmarkMoneyScan != want {
b.Errorf("Have: %f\nWant: %f", benchmarkMoneyScan, want)
}
}
}