forked from ddrilling/AsbCloudServer
48 lines
1.6 KiB
C#
48 lines
1.6 KiB
C#
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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namespace AsbCloudWebApi.Tests
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{
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public static class ReflectionExtensions
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{
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private static readonly Dictionary<Type, object> _commonTypeDictionary = new()
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{
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{ typeof(int), default(int) },
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{ typeof(Guid), default(Guid) },
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{ typeof(DateOnly), default(DateOnly) },
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{ typeof(DateTime), default(DateTime) },
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{ typeof(DateTimeOffset), default(DateTimeOffset) },
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{ typeof(TimeOnly), default(TimeOnly) },
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{ typeof(long), default(long) },
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{ typeof(bool), default(bool) },
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{ typeof(double), default(double) },
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{ typeof(short), default(short) },
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{ typeof(float), default(float) },
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{ typeof(byte), default(byte) },
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{ typeof(char), default(char) },
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{ typeof(uint), default(uint) },
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{ typeof(ushort), default(ushort) },
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{ typeof(ulong), default(ulong) },
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{ typeof(sbyte), default(sbyte) }
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};
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public static object? GetDefaultValue(this Type type)
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{
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if (!type.IsValueType)
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{
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return null;
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}
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return _commonTypeDictionary.TryGetValue(type, out var value)
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? value
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: Activator.CreateInstance(type);
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}
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public static bool IsDefaultValue(this Type type, object? value)
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=> (value?.Equals(type.GetDefaultValue()) != false);
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}
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}
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