public void Int64AndUInt64ConvertToStringTest() { Int64 val0 = 0; Int64 val1 = 1; Int64 val2 = -1; UInt64 val3 = 0; UInt64 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"); }