public void Convert_Int_To_String()
{
var i = int.MaxValue;
var s = Convert.ToType <string>(i);
// If s is in correct format, converting it back to int should yield the same value as the original
Assert.Equal(i, Convert.ToType <int>(s));
}
public void Convert_Decimal_To_String()
{
// Decimal values have 28-29 digits precision
var m = decimal.MaxValue;
var s = Convert.ToType <string>(m);
// If s is in correct format, converting it back to decimal should yield the same value as the original
Assert.Equal(m, Convert.ToType <decimal>(s));
}
public void Convert_Double_To_String()
{
// Double values have 15-17 digits precision
var d = double.MaxValue;
var s = Convert.ToType <string>(d);
// If s is in correct format, converting it back to double should yield the same value as the original
Assert.Equal(d, Convert.ToType <double>(s));
}
public void Convert_Boolean_To_Int()
{
var b = true;
var i = Convert.ToType <int>(b);
Assert.Equal(b, Convert.ToType <bool>(i));
b = false;
i = Convert.ToType <int>(b);
Assert.Equal(b, Convert.ToType <bool>(i));
}
public void Convert_Struct_To_String()
{
var guid = Guid.NewGuid();
var s = Convert.ToType <string>(guid);
Assert.Equal(guid, Convert.ToType <Guid>(s));
var now = DateTime.Now;
Assert.Equal(now.ToString(), Convert.ToType <string>(now));
}
public void Convert_Null_To_Default_Value()
{
Guid?guid = default;
Assert.Equal(Guid.Empty, Convert.ToType <Guid>(guid));
}
public void Convert_Int_To_Boolean()
{
Assert.True(Convert.ToType <bool>(1));
Assert.True(Convert.ToType <bool>(-1));
Assert.False(Convert.ToType <bool>(0));
}
public void Convert_Int_To_Short_Overflow()
{
int i = short.MaxValue + 1;
Assert.Throws <OverflowException>(() => Convert.ToType <short>(i));
}
public void Convert_Int_To_Short()
{
int i = short.MaxValue;
Assert.Equal(short.MaxValue, Convert.ToType <short>(i));
}
public void Convert_Int_To_Long()
{
Assert.Equal(int.MaxValue, Convert.ToType <long>(int.MaxValue));
}
public void Convert_Nullable_To_Non_Nullable()
{
Guid?guid = Guid.NewGuid();
Assert.Equal(guid, Convert.ToType <Guid>(guid));
}
public void Convert_White_Spaces_To_Default_Value()
{
Assert.Equal(0, Convert.ToType <int>(WhiteSpaces));
Assert.Equal(DateTime.MinValue, Convert.ToType <DateTime>(WhiteSpaces));
Assert.Equal(Guid.Empty, Convert.ToType <Guid>(WhiteSpaces));
}
public void Convert_White_Spaces_To_Null()
{
Assert.Null(Convert.ToType <int?>(WhiteSpaces));
}
public void Convert_Empty_String_To_Default_Value()
{
Assert.Equal(0, Convert.ToType <int>(string.Empty));
Assert.Equal(DateTime.MinValue, Convert.ToType <DateTime>(string.Empty));
Assert.Equal(Guid.Empty, Convert.ToType <Guid>(string.Empty));
}
public void Convert_Empty_String_To_Null()
{
Assert.Null(Convert.ToType <int?>(string.Empty));
}
public void Convert_String_To_Guid()
{
var guid = Guid.NewGuid();
Assert.Equal(guid, Convert.ToType <Guid>(guid.ToString()));
}
public void Convert_String_To_DateTime()
{
var dateTime = DateTime.Now;
Assert.Equal(dateTime, Convert.ToType <DateTime>(dateTime.ToString("o")));
}
public void Convert_DBNull_To_Null()
{
Assert.Null(Convert.ToType <Guid?>(DBNull.Value));
}
public void Convert_DBNull_To_Default_Value()
{
Assert.Equal(Guid.Empty, Convert.ToType <Guid>(DBNull.Value));
}
public void Convert_String_To_Number()
{
Assert.Equal(1.1, Convert.ToType <double>("1.1"));
}
public void Convert_String_To_Boolean()
{
Assert.True(Convert.ToType <bool>("true"));
Assert.False(Convert.ToType <bool>("false"));
Assert.False(Convert.ToType <bool>(string.Empty));
}
