public static int PropertiesHash(this object obj)
{
var properties = Reflections.Properties(obj);
var hashCode = 1;
foreach (var key in properties.OrderedKeys)
{
var value = properties.GetIfPresent(key);
hashCode = 31 * hashCode + Objects.HashCode(value);
}
return(hashCode);
}
/// <summary>
/// Generates object hashCode from properties.
/// Collections are supported.
/// </summary>
/// <param name="source">this</param>
/// <returns>hashCode</returns>
public static int PropertiesHash(this object source)
{
Preconditions.IsNotNull(source, () => new ArgumentNullException("source"));
var properties = Reflections.Properties(source);
var hashCode = 1;
foreach (var key in properties.OrderedKeys)
{
var value = properties.GetIfPresent(key);
hashCode = 31 * hashCode + Objects.HashCode(value);
}
return(hashCode);
}
public void ShouldReturnObjectPropertiesIncludingBaseType()
{
// given
const int secret = 33;
var testObject = new NestedTypeWithProperties(id: 1, secret: secret,
value: 5, name: "x", extension: "abc");
// when
var properties = Reflections.Properties(obj: testObject, includeBase: true);
// then
Check.That(properties.OrderedKeys).ContainsExactly("Extension", "Id", "Name", "Value", "Secret");
Check.That(properties.Get("Id")).IsEqualTo(testObject.Id);
Check.That(properties.Get("Name")).IsEqualTo(testObject.Name);
Check.That(properties.Get("Value")).IsEqualTo(testObject.Value);
Check.That(properties.Get("Secret")).IsEqualTo(secret);
Check.That(properties.Get("Extension")).IsEqualTo(testObject.Extension);
}
public static bool EqualsByProperties(this object obj, object that)
{
var type = obj.GetType();
if (that != null && that.GetType() == type)
{
var thisProperties = Reflections.Properties(obj);
var thatProperties = Reflections.Properties(that);
foreach (var key in thisProperties.OrderedKeys)
{
var thisPropertyValue = thisProperties.GetIfPresent(key);
var thatPropertyValue = thatProperties.GetIfPresent(key);
if (!Objects.Equal(thisPropertyValue, thatPropertyValue))
{
return(false);
}
}
return(true);
}
return(false);
}
/// <summary>
/// Checks object equality by comparing properties.
/// Collections are supported.
/// </summary>
/// <param name="source">this</param>
/// <param name="that">compared object</param>
/// <returns>true if objects properties are equals</returns>
public static bool EqualsByProperties(this object source, object that)
{
Preconditions.IsNotNull(source, () => new ArgumentNullException("source"));
var type = source.GetType();
if (that != null && that.GetType() == type)
{
var thisProperties = Reflections.Properties(source);
var thatProperties = Reflections.Properties(that);
foreach (var key in thisProperties.OrderedKeys)
{
var thisPropertyValue = thisProperties.GetIfPresent(key);
var thatPropertyValue = thatProperties.GetIfPresent(key);
if (!Objects.Equal(thisPropertyValue, thatPropertyValue))
{
return(false);
}
}
return(true);
}
return(false);
}
public void ShouldReturnObjectProperties()
{
// given
const int secret = 33;
var testObject = new SimpleTypeWithProperties
{
Id = 1,
Name = "Test",
Value = null
};
testObject.SetSecret(secret);
// when
var properties = Reflections.Properties(testObject);
// then
Check.That(properties.OrderedKeys).ContainsExactly("Id", "Name", "Value", "Secret");
Check.That(properties.Get("Id")).IsEqualTo(testObject.Id);
Check.That(properties.Get("Name")).IsEqualTo(testObject.Name);
Check.That(properties.Get("Value")).IsEqualTo(testObject.Value);
Check.That(properties.Get("Secret")).IsEqualTo(secret);
}
