public void ByteAndSByteConvertToStringTest() { byte val0 = 0; byte val1 = 1; sbyte val2 = -1; sbyte val3 = 0; sbyte val4 = 1; val0.CastToString().ShouldBe("0"); val1.CastToString().ShouldBe("1"); val2.CastToString().ShouldBe("-1"); val3.CastToString().ShouldBe("0"); val4.CastToString().ShouldBe("1"); val0.CastToString("---").ShouldBe("0"); val1.CastToString("---").ShouldBe("1"); val2.CastToString("---").ShouldBe("-1"); val3.CastToString("---").ShouldBe("0"); val4.CastToString("---").ShouldBe("1"); val0.CastToString(NumericConvOptions.ZeroAsEmpty).ShouldBe("0"); val1.CastToString(NumericConvOptions.ZeroAsEmpty).ShouldBe("1"); val2.CastToString(NumericConvOptions.ZeroAsEmpty).ShouldBe("-1"); val3.CastToString(NumericConvOptions.ZeroAsEmpty).ShouldBe("0"); val4.CastToString(NumericConvOptions.ZeroAsEmpty).ShouldBe("1"); val0.CastToString(NumericConvOptions.ZeroAsEmpty, "---").ShouldBe("---"); val1.CastToString(NumericConvOptions.ZeroAsEmpty, "---").ShouldBe("1"); val2.CastToString(NumericConvOptions.ZeroAsEmpty, "---").ShouldBe("-1"); val3.CastToString(NumericConvOptions.ZeroAsEmpty, "---").ShouldBe("---"); val4.CastToString(NumericConvOptions.ZeroAsEmpty, "---").ShouldBe("1"); }