Function testAddOffset

roaring_test.go:702–740

(t *testing.T, arr []uint32, offset int64)

}

func testAddOffset(t *testing.T, arr []uint32, offset int64) {
	expected := make([]uint32, 0, len(arr))
	for _, i := range arr {
		v := int64(i) + offset
		if v >= 0 && v <= MaxUint32 {
			expected = append(expected, uint32(v))
		}
	}

	bmp := NewBitmap()
	bmp.AddMany(arr)

	cop := AddOffset64(bmp, offset)

	if !assert.EqualValues(t, len(expected), cop.GetCardinality()) {
		t.Logf("Applying offset %d", offset)
	}
	if !assert.EqualValues(t, expected, cop.ToArray()) {
		t.Logf("Applying offset %d", offset)
	}

	// Now check backing off gets us back all non-discarded numbers
	expected2 := make([]uint32, 0, len(expected))
	for _, i := range expected {
		v := int64(i) - offset
		if v >= 0 && v <= MaxUint32 {
			expected2 = append(expected2, uint32(v))
		}
	}

	cop2 := AddOffset64(cop, -offset)

	if !assert.EqualValues(t, len(expected2), cop2.GetCardinality()) {
		t.Logf("Restoring from offset %d", offset)
	}
	if !assert.EqualValues(t, expected2, cop2.ToArray()) {
		t.Logf("Restoring from offset %d", offset)
	}
}

func TestRoaringBitmapAddOffset(t *testing.T) {
	type testCase struct {