{minDuration, maxDuration},
	{minDuration + 1, maxDuration},
	{minDuration + 2, maxDuration - 1},
	{maxDuration, maxDuration},
	{maxDuration - 1, maxDuration - 1},
}

func TestDurationAbs(t *testing.T) {
	for _, tt := range durationAbsTests {
		if got := tt.d.Abs(); got != tt.want {
			t.Errorf("Duration(%s).Abs() = %s; want: %s", tt.d, got, tt.want)
		}
	}
}