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Fixes object extensions and tests

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This commit is contained in:
Shannon
2013-11-02 15:18:08 +11:00
parent b75a9cc34b
commit a348177126
2 changed files with 87 additions and 61 deletions
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131
src/Umbraco.Core/ObjectExtensions.cs
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@@ -97,8 +97,17 @@ namespace Umbraco.Core
// if we've got a nullable of something, we try to convert directly to that thing.
if (destinationType.IsGenericType && destinationType.GetGenericTypeDefinition() == typeof(Nullable<>))
{
var underlyingType = Nullable.GetUnderlyingType(destinationType);
//special case for empty strings for bools/dates which should return null if an empty string
var asString = input as string;
if (asString != null && string.IsNullOrEmpty(asString) && (underlyingType == typeof(DateTime) || underlyingType == typeof(bool)))
{
return Attempt<object>.Succeed(null);
}
// recursively call into myself with the inner (not-nullable) type and handle the outcome
var nonNullable = input.TryConvertTo(Nullable.GetUnderlyingType(destinationType));
var nonNullable = input.TryConvertTo(underlyingType);
// and if sucessful, fall on through to rewrap in a nullable; if failed, pass on the exception
if (nonNullable.Success)
@@ -202,78 +211,78 @@ namespace Umbraco.Core
if (destinationType == typeof(string))
return Attempt<object>.Succeed(input);
if (input == null || input.Length == 0)
if (string.IsNullOrEmpty(input))
{
if (destinationType == typeof(Boolean))
return Attempt<object>.Succeed(false); // special case for booleans, null/empty == false
else if (destinationType == typeof(DateTime))
return Attempt<object>.Succeed(false);
if (destinationType == typeof(DateTime))
return Attempt<object>.Succeed(DateTime.MinValue);
}
// we have a non-empty string, look for type conversions in the expected order of frequency of use...
if (destinationType.IsPrimitive)
{
if (destinationType == typeof(Int32))
if (destinationType == typeof(Int32))
{
Int32 value;
return Int32.TryParse(input, out value) ? Attempt<object>.Succeed(value) : Attempt<object>.Fail();
}
else if (destinationType == typeof(Int64))
{
Int64 value;
return Int64.TryParse(input, out value) ? Attempt<object>.Succeed(value) : Attempt<object>.Fail();
}
else if (destinationType == typeof(Boolean))
{
Boolean value;
if (Boolean.TryParse(input, out value))
return Attempt<object>.Succeed(value); // don't declare failure so the CustomBooleanTypeConverter can try
}
else if (destinationType == typeof(Int16))
{
Int16 value;
return Int16.TryParse(input, out value) ? Attempt<object>.Succeed(value) : Attempt<object>.Fail();
}
else if (destinationType == typeof(Double))
{
Double value;
return Double.TryParse(input, out value) ? Attempt<object>.Succeed(value) : Attempt<object>.Fail();
}
else if (destinationType == typeof(Single))
{
Single value;
return Single.TryParse(input, out value) ? Attempt<object>.Succeed(value) : Attempt<object>.Fail();
}
else if (destinationType == typeof(Char))
{
Char value;
return Char.TryParse(input, out value) ? Attempt<object>.Succeed(value) : Attempt<object>.Fail();
}
else if (destinationType == typeof(Byte))
{
Byte value;
return Byte.TryParse(input, out value) ? Attempt<object>.Succeed(value) : Attempt<object>.Fail();
}
else if (destinationType == typeof(SByte))
{
SByte value;
return SByte.TryParse(input, out value) ? Attempt<object>.Succeed(value) : Attempt<object>.Fail();
}
else if (destinationType == typeof(UInt32))
{
UInt32 value;
return UInt32.TryParse(input, out value) ? Attempt<object>.Succeed(value) : Attempt<object>.Fail();
}
else if (destinationType == typeof(UInt16))
{
UInt16 value;
return UInt16.TryParse(input, out value) ? Attempt<object>.Succeed(value) : Attempt<object>.Fail();
}
else if (destinationType == typeof(UInt64))
{
UInt64 value;
return UInt64.TryParse(input, out value) ? Attempt<object>.Succeed(value) : Attempt<object>.Fail();
}
if (destinationType == typeof(Int64))
{
Int64 value;
return Int64.TryParse(input, out value) ? Attempt<object>.Succeed(value) : Attempt<object>.Fail();
}
if (destinationType == typeof(Boolean))
{
Boolean value;
if (Boolean.TryParse(input, out value))
return Attempt<object>.Succeed(value); // don't declare failure so the CustomBooleanTypeConverter can try
}
else if (destinationType == typeof(Int16))
{
Int16 value;
return Int16.TryParse(input, out value) ? Attempt<object>.Succeed(value) : Attempt<object>.Fail();
}
else if (destinationType == typeof(Double))
{
Double value;
return Double.TryParse(input, out value) ? Attempt<object>.Succeed(value) : Attempt<object>.Fail();
}
else if (destinationType == typeof(Single))
{
Single value;
return Single.TryParse(input, out value) ? Attempt<object>.Succeed(value) : Attempt<object>.Fail();
}
else if (destinationType == typeof(Char))
{
Char value;
return Char.TryParse(input, out value) ? Attempt<object>.Succeed(value) : Attempt<object>.Fail();
}
else if (destinationType == typeof(Byte))
{
Byte value;
return Byte.TryParse(input, out value) ? Attempt<object>.Succeed(value) : Attempt<object>.Fail();
}
else if (destinationType == typeof(SByte))
{
SByte value;
return SByte.TryParse(input, out value) ? Attempt<object>.Succeed(value) : Attempt<object>.Fail();
}
else if (destinationType == typeof(UInt32))
{
UInt32 value;
return UInt32.TryParse(input, out value) ? Attempt<object>.Succeed(value) : Attempt<object>.Fail();
}
else if (destinationType == typeof(UInt16))
{
UInt16 value;
return UInt16.TryParse(input, out value) ? Attempt<object>.Succeed(value) : Attempt<object>.Fail();
}
else if (destinationType == typeof(UInt64))
{
UInt64 value;
return UInt64.TryParse(input, out value) ? Attempt<object>.Succeed(value) : Attempt<object>.Fail();
}
}
else if (destinationType == typeof(Guid))
{