/// <summary>
/// Checks that a <see cref="AddInstances{TInstance}"/> message contains the expected
/// <see cref="TestInstance"/>s.
/// </summary>
/// <param name="message">The <see cref="AddInstances{TInstance}"/> message.</param>
/// <param name="firstInstanceIdentifier">
/// The first expected instance identifier. Remaining identifiers are successive integers.
/// </param>
/// <param name="numberInstances">The expected number of <see cref="TestInstance"/>s.</param>
private static void CheckAddMessageContainsCorrectInstances(
AddInstances <TestInstance> message,
int firstInstanceIdentifier,
int numberInstances)
{
Assert.Equal(
Enumerable.Range(firstInstanceIdentifier, numberInstances).Select(id => id.ToString()).ToArray(),
message.Instances.Select(instance => instance.ToString()).ToArray());
}
public void InstancesAreSetCorrectly()
{
// Set instances in constructor.
List <TestInstance> testInstances = this.CreateSingleTestInstanceList();
var message = new AddInstances <TestInstance>(testInstances);
// Test they are set correctly.
Assert.True(
testInstances.SequenceEqual(message.Instances),
"Instances were not set correctly.");
}
public void InstancesAreImmutable()
{
// Set instances in constructor.
List <TestInstance> testInstances = this.CreateSingleTestInstanceList();
var message = new AddInstances <TestInstance>(testInstances);
// Precondition: Instances are the same.
Assert.True(testInstances.SequenceEqual(message.Instances));
// Modify the external list.
testInstances.Add(new TestInstance("other"));
// Check that didn't modify the interal list.
Assert.False(
testInstances.SequenceEqual(message.Instances),
"Instances have been modified even though they are supposed to be immutable.");
}
