public void GetPropertySetter_NullInput_ThrowsArgumentNullException()
{
ArgumentNullException ex = Assert.Throws <ArgumentNullException>(
delegate()
{
SetterDelegate setter = DynamicMethodGenerator.GetPropertySetter(null);
});
Assert.Equal("propertyInfo", ex.ParamName);
}
public void GetPropertySetter_1MillionPropertySets_PerformsInAround10ms()
{
Example instance = new Example();
PropertyInfo propertyInfo = typeof(Example).GetProperty("A", BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.FlattenHierarchy);
SetterDelegate setter = DynamicMethodGenerator.GetPropertySetter(propertyInfo);
for (long i = 0; i < MaxCount; i++)
{
setter(instance, "alpha");
}
}
public void GetPropertySetter_GetterOnlyProperty_ReturnsPropertyValue()
{
var input = new Example();
var propertyInfo = input.GetType().GetProperty("Three_Getter");
Assert.NotNull(propertyInfo);
SetterDelegate setter = DynamicMethodGenerator.GetPropertySetter(propertyInfo);
Assert.Null(setter);
}
/// <summary>
/// Creates a field setter delegate for the specified property or field
/// </summary>
/// <param name="memberInfo">PropertyInfo or FieldInfo</param>
/// <returns>SetterDelegate for property or field, null otherwise</returns>
public static SetterDelegate GetSetter(MemberInfo memberInfo)
{
if (memberInfo is PropertyInfo)
{
return(DynamicMethodGenerator.GetPropertySetter((PropertyInfo)memberInfo));
}
if (memberInfo is FieldInfo)
{
return(DynamicMethodGenerator.GetFieldSetter((FieldInfo)memberInfo));
}
return(null);
}
public void GetPropertySetter_PrivateSetterProperty_ReturnsPropertyValue()
{
var input = new Example();
var expected = "sun";
var propertyInfo = input.GetType().GetProperty("Re");
Assert.NotNull(propertyInfo);
SetterDelegate setter = DynamicMethodGenerator.GetPropertySetter(propertyInfo);
Assert.NotNull(setter);
setter(input, expected);
Assert.Equal(expected, input.Re);
}
public void GetPropertySetter_AutoImplementedProperty_ReturnsPropertyValue()
{
var input = new Example();
var expected = "deer";
var propertyInfo = input.GetType().GetProperty("Do");
Assert.NotNull(propertyInfo);
SetterDelegate setter = DynamicMethodGenerator.GetPropertySetter(propertyInfo);
Assert.NotNull(setter);
setter(input, expected);
Assert.Equal(expected, input.Do);
}
public void GetPropertySetter_SetterOnlyProperty_ReturnsPropertyValue()
{
var input = new Example();
var expected = -3;
var propertyInfo = input.GetType().GetProperty("Three_Setter");
Assert.NotNull(propertyInfo);
SetterDelegate setter = DynamicMethodGenerator.GetPropertySetter(propertyInfo);
Assert.NotNull(setter);
setter(input, expected);
Assert.Equal(expected, input.Three);
}
public void GetPropertySetter_PublicReferenceTypeProperty_ReturnsPropertyValue()
{
var input = new Example();
var expected = "alpha";
var propertyInfo = input.GetType().GetProperty("A");
Assert.NotNull(propertyInfo);
SetterDelegate setter = DynamicMethodGenerator.GetPropertySetter(propertyInfo);
Assert.NotNull(setter);
setter(input, expected);
Assert.Equal(expected, input.A);
}
public void GetPropertySetter_PrivateGetterProperty_ReturnsPropertyValue()
{
var input = new Example();
var expected = "myself";
var propertyInfo = input.GetType().GetProperty("Mi");
Assert.NotNull(propertyInfo);
SetterDelegate setter = DynamicMethodGenerator.GetPropertySetter(propertyInfo);
Assert.NotNull(setter);
setter(input, expected);
MethodInfo getter = propertyInfo.GetGetMethod(true);
Assert.NotNull(getter);
Assert.Equal(expected, getter.Invoke(input, null));
}
public void GetPropertySetter_PrivateProperty_ReturnsPropertyValue()
{
var input = new Example();
var expected = -2;
var propertyInfo = input.GetType().GetProperty("Two", BindingFlags.NonPublic | BindingFlags.Instance | BindingFlags.FlattenHierarchy);
Assert.NotNull(propertyInfo);
SetterDelegate setter = DynamicMethodGenerator.GetPropertySetter(propertyInfo);
Assert.NotNull(setter);
setter(input, expected);
MethodInfo getter = propertyInfo.GetGetMethod(true);
Assert.NotNull(getter);
Assert.Equal(expected, getter.Invoke(input, null));
}
public void GetPropertySetter_StaticProperty_ChangesFieldValue()
{
var propertyInfo = typeof(Example).GetProperty("Solo");
Assert.NotNull(propertyInfo);
SetterDelegate setter = DynamicMethodGenerator.GetPropertySetter(propertyInfo);
Assert.NotNull(setter);
var prev = Example.Solo;
try
{
setter(null, "Duet");
Assert.Equal("Duet", Example.Solo);
}
finally
{
Example.Solo = prev;
}
}
public void GetPropertySetter_AnonymousObjectProperty_ReturnsPropertyValue()
{
var input = new
{
A = "aye",
B = "bee",
C = "sea",
One = 1,
Two = 2,
Three = 3,
Do = "doe",
Re = "ray",
Mi = "me"
};
var propertyInfo = input.GetType().GetProperty("Two");
Assert.NotNull(propertyInfo);
SetterDelegate setter = DynamicMethodGenerator.GetPropertySetter(propertyInfo);
Assert.Null(setter);
}