{DefaultParameterConverter, is{1}, nil, "unsupported type driver.is, a slice of int"},
	{DefaultParameterConverter, dec{exponent: -6}, dec{exponent: -6}, ""},
}

func TestValueConverters(t *testing.T) {
	for i, tt := range valueConverterTests {
		out, err := tt.c.ConvertValue(tt.in)
		goterr := ""
		if err != nil {
			goterr = err.Error()
		}
		if goterr != tt.err {