cdiskCount := diskCount(testCase.disks)
		if cdiskCount != testCase.diskCount {
			t.Errorf("Test %d: Expected %d, got %d", i+1, testCase.diskCount, cdiskCount)
		}
	}
}

// Test for reduceErrs, reduceErr reduces collection
// of errors into a single maximal error with in the list.
func TestReduceErrs(t *testing.T) {
	canceledErrs := make([]error, 0, 5)
	for i := range 5 {