public void GetHashCode_TwoIdenticalObjects_BothUninitialized_HashCodesAreEqual()
{
// Arrange
var publishConfiguration1 = new PublishConfiguration();
var publishConfiguration2 = new PublishConfiguration();
// Act
int hashCodeObject1 = publishConfiguration1.GetHashCode();
int hashCodeObject2 = publishConfiguration2.GetHashCode();
// Assert
Assert.AreEqual(hashCodeObject1, hashCodeObject2);
}
public void GetHashCode_SameHashCodeIsReturnedEveryTimeTheMethodIsCalled_AsLongAsTheObjectDoesNotChange()
{
// Arrange
string repositoryName = "Some Repository";
string repositoryPublishLocation = "http://example.com";
var publishConfiguration = new PublishConfiguration { Name = repositoryName, PublishLocation = repositoryPublishLocation };
int expectedHashcode = publishConfiguration.GetHashCode();
for (var i = 0; i < 100; i++)
{
// Act
publishConfiguration.Name = repositoryName;
publishConfiguration.PublishLocation = repositoryPublishLocation;
int generatedHashCode = publishConfiguration.GetHashCode();
// Assert
Assert.AreEqual(expectedHashcode, generatedHashCode);
}
}
public void GetHashCode_TwoIdenticalObjects_BothInitialized_HashCodesAreEqual()
{
// Arrange
var publishConfiguration1 = new PublishConfiguration { Name = "Some Repository", PublishLocation = "http://nuget.org/api/v2" };
var publishConfiguration2 = new PublishConfiguration { Name = "Some Repository", PublishLocation = "http://nuget.org/api/v2" };
// Act
int hashCodeObject1 = publishConfiguration1.GetHashCode();
int hashCodeObject2 = publishConfiguration2.GetHashCode();
// Assert
Assert.AreEqual(hashCodeObject1, hashCodeObject2);
}
public void GetHashCode_ForAllUniqueObject_AUniqueHashCodeIsReturned()
{
var hashCodes = new Dictionary<int, PublishConfiguration>();
for (var i = 0; i < 10000; i++)
{
// Act
var publishConfiguration = new PublishConfiguration { Name = Guid.NewGuid().ToString(), PublishLocation = "http://" + Guid.NewGuid().ToString() };
int generatedHashCode = publishConfiguration.GetHashCode();
// Assert
Assert.IsFalse(hashCodes.ContainsKey(generatedHashCode));
hashCodes.Add(generatedHashCode, publishConfiguration);
}
}