Function testAggregations

aggregation_test.go:13–230

(t *testing.T,
	and func(bitmaps ...*Bitmap) *Bitmap,
	or func(bitmaps ...*Bitmap) *Bitmap,
	xor func(bitmaps ...*Bitmap) *Bitmap)

)

func testAggregations(t *testing.T,
	and func(bitmaps ...*Bitmap) *Bitmap,
	or func(bitmaps ...*Bitmap) *Bitmap,
	xor func(bitmaps ...*Bitmap) *Bitmap) {

	t.Run("simple case", func(t *testing.T) {
		rb1 := NewBitmap()
		rb2 := NewBitmap()
		rb1.Add(1)
		rb2.Add(2)

		assertAggregation(t, 0, and, rb1, rb2)
		assertAggregation(t, 2, or, rb1, rb2)
		assertAggregation(t, 2, xor, rb1, rb2)
	})

	t.Run("aggregate nothing", func(t *testing.T) {
		assertAggregation(t, 0, and)
		assertAggregation(t, 0, or)
		assertAggregation(t, 0, xor)
	})

	t.Run("single bitmap", func(t *testing.T) {
		rb := BitmapOf(1, 2, 3)

		assertAggregation(t, 3, and, rb)
		assertAggregation(t, 3, or, rb)
		assertAggregation(t, 3, xor, rb)
	})

	t.Run("empty and single elem bitmaps", func(t *testing.T) {
		rb1 := NewBitmap()
		rb2 := BitmapOf(1)

		assertAggregation(t, 0, and, rb1, rb2)
		assertAggregation(t, 1, or, rb1, rb2)
		assertAggregation(t, 1, xor, rb1, rb2)
	})

	t.Run("two single elem disjoint sets", func(t *testing.T) {
		rb1 := BitmapOf(1)
		rb2 := BitmapOf(2)

		assertAggregation(t, 0, and, rb1, rb2)
		assertAggregation(t, 2, or, rb1, rb2)
	})

	t.Run("3 bitmaps with CoW set (not in order of definition)", func(t *testing.T) {
		rb1 := NewBitmap()
		rb2 := NewBitmap()
		rb3 := NewBitmap()
		rb1.SetCopyOnWrite(true)
		rb2.SetCopyOnWrite(true)
		rb3.SetCopyOnWrite(true)
		rb1.Add(1)
		rb1.Add(100000)
		rb2.Add(200000)
		rb3.Add(1)