public void ExceptReturnsExpectedValues(int[] first, int[] second)
{
var nm1 = new NativeMethodsMock {
ProcessIds = first
};
var pl1 = new ProcessList(nm1);
pl1.Refresh();
var nm2 = new NativeMethodsMock {
ProcessIds = second
};
var pl2 = new ProcessList(nm2);
pl2.Refresh();
var expectedAdded = second.Except(first).ToList();
var expectedRemoved = first.Except(second).ToList();
var expectedAll = expectedAdded.Union(expectedRemoved).OrderBy(x => x).ToList();
var diff = pl2.Diff(pl1).ToList();
var added = diff.Where(x => x.Added).Select(x => x.ProcessId).ToList();
var removed = diff.Where(x => !x.Added).Select(x => x.ProcessId).ToList();
var all = diff.Select(x => x.ProcessId).ToList();
Assert.Equal <int>(expectedAll, all);
Assert.Equal(expectedAdded, added);
Assert.Equal(expectedRemoved, removed);
}