private void AssertNotEqual(TestValue value1, TestValue value2)
{
Assert.AreNotEqual(value1, value2);
Assert.IsTrue(value1 != value2);
Assert.IsFalse(value1 == value2);
Assert.IsFalse(value1.Equals(value2));
}
public void Equals_NullIsConsideredEqual()
{
var value1 = new TestValue();
var value2 = new TestValue();
AssertEqual(value1, value2);
}
public void Equals_IgnoresPrivatePropertiesAndFields()
{
var value1 = new TestValue(5);
var value2 = new TestValue(8);
AssertEqual(value1, value2);
}
public void Equals_ComparingWithWrongType_ReturnsFalse()
{
var value = new TestValue {
Property1 = "string"
};
Assert.IsFalse(value.Equals(10));
}
public void Equals_ComparingWithNull_ReturnsFalse()
{
var value = new TestValue {
Property1 = "string"
};
Assert.IsFalse(value.Equals(null as object));
}
public void Equals_OnlyOneValueIsNull_DoesNotThrow_NotEqual()
{
var value1 = new TestValue();
var value2 = new TestValue {
Property1 = "value"
};
AssertNotEqual(value1, value2);
}
public void Equals_ComparesAllPropertiesAndFields_FieldDifferent_NotEqual()
{
var value1 = new TestValue {
Property1 = "test", Property2 = 10, Field = 8
};
var value2 = new TestValue {
Property1 = "test", Property2 = 10, Field = 9
};
AssertNotEqual(value1, value2);
}
public void GetHashCode_AlwaysEqualForEqualObjects()
{
var value1 = new TestValue {
Property1 = "string", Property2 = 4
};
var value2 = new TestValue {
Property1 = "string", Property2 = 4
};
Assert.AreEqual(value1.GetHashCode(), value2.GetHashCode());
}
public void GetHashCode_ConsidersPublicFields()
{
var value1 = new TestValue {
Property2 = 2
};
var value2 = new TestValue {
Property2 = 2, Field = 4
};
Assert.AreNotEqual(value1.GetHashCode(), value2.GetHashCode());
}
public void Equals_ComparesAllPropertiesAndFields_Equal()
{
var value1 = new TestValue {
Property1 = "test", Property2 = 10, Field = 3
};
var value2 = new TestValue {
Property1 = "test", Property2 = 10, Field = 3
};
AssertEqual(value1, value2);
}
public void GetHashCode_HandlesNull()
{
var value1 = new TestValue {
Property2 = 2
};
var value2 = new TestValue {
Property2 = 5
};
Assert.AreNotEqual(value1.GetHashCode(), value2.GetHashCode());
}
public void GetHashCode_NotEqualForDistinctObjects_2()
{
var value1 = new TestValue {
Property1 = "string", Property2 = 4
};
var value2 = new TestValue {
Property1 = "String", Property2 = 4
};
Assert.AreNotEqual(value1.GetHashCode(), value2.GetHashCode());
}
public void OperatorEquals_LeftSideNull_ReturnsFalse()
{
var value = new TestValue();
Assert.IsFalse(null == value);
}
public void OperatorEquals_RightSideNull_ReturnsFalse()
{
var value = new TestValue();
Assert.IsFalse(value == null);
}
public void OperatorNotEquals_LeftSideNull_ReturnsTrue()
{
var value = new TestValue();
Assert.IsTrue(null != value);
}
public void OperatorNotEquals_RightSideNull_ReturnsTrue()
{
var value = new TestValue();
Assert.IsTrue(value != null);
}
public void ImplementsIEquatable()
{
var value = new TestValue();
Assert.IsInstanceOfType(value, typeof(IEquatable <ValueObject>));
}