public void TestConnectionSummaryComparer()
{
var summary1 = new ConnectionSummary()
{
ServerName = "localhost",
DatabaseName = "master",
UserName = "******"
};
var summary2 = new ConnectionSummary()
{
ServerName = "localhost",
DatabaseName = "master",
UserName = "******"
};
var comparer = new ConnectionSummaryComparer();
Assert.True(comparer.Equals(summary1, summary2));
summary2.DatabaseName = "tempdb";
Assert.False(comparer.Equals(summary1, summary2));
Assert.False(comparer.Equals(null, summary2));
Assert.False(summary1.GetHashCode() == summary2.GetHashCode());
}
public void TestConnectionSummaryComparerHashCode(bool objectNull, string serverName, string databaseName, string userName)
{
// Given a connection summary and comparer object
ConnectionSummary summary = null;
if (!objectNull)
{
summary = new ConnectionSummary()
{
ServerName = serverName,
DatabaseName = databaseName,
UserName = userName
};
}
ConnectionSummaryComparer comparer = new ConnectionSummaryComparer();
// If I compute a hash code
int hashCode = comparer.GetHashCode(summary);
if (summary == null || (serverName == null && databaseName == null && userName == null))
{
// Then I expect it to be 31 for a null summary
Assert.Equal(31, hashCode);
}
else
{
// And not 31 otherwise
Assert.NotEqual(31, hashCode);
}
}
