56 lines
1.6 KiB
C#
56 lines
1.6 KiB
C#
using System;
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using System.Reflection;
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namespace UnityEngine.UI.Tests
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{
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class PrivateFieldSetter<T> : IDisposable
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{
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private object m_Obj;
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private FieldInfo m_FieldInfo;
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private object m_OldValue;
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public PrivateFieldSetter(object obj, string field, object value)
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{
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m_Obj = obj;
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m_FieldInfo = typeof(T).GetField(field, BindingFlags.NonPublic | BindingFlags.Instance);
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m_OldValue = m_FieldInfo.GetValue(obj);
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m_FieldInfo.SetValue(obj, value);
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}
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public void Dispose()
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{
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m_FieldInfo.SetValue(m_Obj, m_OldValue);
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}
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}
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static class PrivateStaticField
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{
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public static T GetValue<T>(Type staticType, string fieldName)
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{
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var type = staticType;
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FieldInfo field = null;
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while (field == null && type != null)
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{
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field = type.GetField(fieldName, BindingFlags.Static | BindingFlags.NonPublic);
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type = type.BaseType;
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}
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return (T)field.GetValue(null);
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}
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}
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static class PrivateField
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{
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public static T GetValue<T>(this object o, string fieldName)
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{
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var type = o.GetType();
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FieldInfo field = null;
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while (field == null && type != null)
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{
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field = type.GetField(fieldName, BindingFlags.Instance | BindingFlags.NonPublic);
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type = type.BaseType;
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}
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return field != null ? (T)field.GetValue(o) : default(T);
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}
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}
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}
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