public void SecondIdReturnsSameBrushAsFirstIdAfterClearingIdCollection()
{
// Arrange
var brushes = CreateProjectBrushes();
var service = new ProjectBrushService(brushes);
var userPreferences = Mock.Of <IUserPreferences>(u =>
u.AssignProjectColours);
// Act
var brush1 = service.GetBrush("Id1", userPreferences);
service.ClearBrushIdCollection();
var brush2 = service.GetBrush("Id2", userPreferences);
// Assert
var firstProjectBrush = brushes.ProjectSpecificBrushes[0];
Assert.That(brush1, Is.EqualTo(firstProjectBrush));
Assert.That(brush2, Is.EqualTo(firstProjectBrush));
Assert.That(brushes.ProjectSpecificBrushes.Length, Is.GreaterThan(1));
var isUnique = brushes
.ProjectSpecificBrushes
.Count(b => b.Equals(firstProjectBrush)) == 1;
Assert.IsTrue(isUnique);
}