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roaringcow_test.go
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roaringcow_test.go
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package roaring
import (
. "github.com/smartystreets/goconvey/convey"
"github.com/willf/bitset"
"log"
"math/rand"
"strconv"
"testing"
"unsafe"
)
func TestCloneOfCOW(t *testing.T) {
rb1 := NewBitmap()
rb1.SetCopyOnWrite(true)
rb1.Add(10)
rb1.Add(12)
rb1.Remove(12)
rb2 := rb1.Clone()
rb3 := rb1.Clone()
rb2.Remove(10)
rb3.AddRange(100, 200)
if !rb2.IsEmpty() {
t.Errorf("rb2 should be empty")
}
if rb3.GetCardinality() != 100+1 {
t.Errorf("bad cardinality")
}
if !rb1.Contains(10) {
t.Errorf("bad rb1")
}
if rb1.GetCardinality() != 1 {
t.Errorf("bad cardinality")
}
}
func TestRoaringBitmapBitmapOfCOW(t *testing.T) {
array := []uint32{5580, 33722, 44031, 57276, 83097}
bmp := BitmapOf(array...)
bmp.SetCopyOnWrite(true)
if len(array) != int(bmp.GetCardinality()) {
t.Errorf("length diff %d!=%d", len(array), bmp.GetCardinality())
t.FailNow()
}
}
func TestRoaringBitmapAddCOW(t *testing.T) {
array := []uint32{5580, 33722, 44031, 57276, 83097}
bmp := New()
bmp.SetCopyOnWrite(true)
for _, v := range array {
bmp.Add(v)
}
if len(array) != int(bmp.GetCardinality()) {
t.Errorf("length diff %d!=%d", len(array), bmp.GetCardinality())
t.FailNow()
}
}
func TestRoaringBitmapAddManyCOW(t *testing.T) {
array := []uint32{5580, 33722, 44031, 57276, 83097}
bmp := NewBitmap()
bmp.SetCopyOnWrite(true)
bmp.AddMany(array)
if len(array) != int(bmp.GetCardinality()) {
t.Errorf("length diff %d!=%d", len(array), bmp.GetCardinality())
t.FailNow()
}
}
// https://github.com/RoaringBitmap/roaring/issues/64
func TestFlip64COW(t *testing.T) {
bm := New()
bm.SetCopyOnWrite(true)
bm.AddInt(0)
bm.Flip(1, 2)
i := bm.Iterator()
if i.Next() != 0 || i.Next() != 1 || i.HasNext() {
t.Error("expected {0,1}")
}
}
// https://github.com/RoaringBitmap/roaring/issues/64
func TestFlip64OffCOW(t *testing.T) {
bm := New()
bm.SetCopyOnWrite(true)
bm.AddInt(10)
bm.Flip(11, 12)
i := bm.Iterator()
if i.Next() != 10 || i.Next() != 11 || i.HasNext() {
t.Error("expected {10,11}")
}
}
func TestStringerCOW(t *testing.T) {
v := NewBitmap()
v.SetCopyOnWrite(true)
for i := uint32(0); i < 10; i++ {
v.Add(i)
}
if v.String() != "{0,1,2,3,4,5,6,7,8,9}" {
t.Error("bad string output")
}
v.RunOptimize()
if v.String() != "{0,1,2,3,4,5,6,7,8,9}" {
t.Error("bad string output")
}
}
func TestFastCardCOW(t *testing.T) {
Convey("fast card", t, func() {
bm := NewBitmap()
bm.SetCopyOnWrite(true)
bm.Add(1)
bm.AddRange(21, 260000)
bm2 := NewBitmap()
bm2.SetCopyOnWrite(true)
bm2.Add(25)
So(bm2.AndCardinality(bm), ShouldEqual, 1)
So(bm2.OrCardinality(bm), ShouldEqual, bm.GetCardinality())
So(bm.AndCardinality(bm2), ShouldEqual, 1)
So(bm.OrCardinality(bm2), ShouldEqual, bm.GetCardinality())
So(bm2.AndCardinality(bm), ShouldEqual, 1)
So(bm2.OrCardinality(bm), ShouldEqual, bm.GetCardinality())
bm.RunOptimize()
So(bm2.AndCardinality(bm), ShouldEqual, 1)
So(bm2.OrCardinality(bm), ShouldEqual, bm.GetCardinality())
So(bm.AndCardinality(bm2), ShouldEqual, 1)
So(bm.OrCardinality(bm2), ShouldEqual, bm.GetCardinality())
So(bm2.AndCardinality(bm), ShouldEqual, 1)
So(bm2.OrCardinality(bm), ShouldEqual, bm.GetCardinality())
})
}
func TestIntersects1COW(t *testing.T) {
Convey("intersects", t, func() {
bm := NewBitmap()
bm.SetCopyOnWrite(true)
bm.Add(1)
bm.AddRange(21, 26)
bm2 := NewBitmap()
bm2.SetCopyOnWrite(true)
bm2.Add(25)
So(bm2.Intersects(bm), ShouldEqual, true)
bm.Remove(25)
So(bm2.Intersects(bm), ShouldEqual, false)
bm.AddRange(1, 100000)
So(bm2.Intersects(bm), ShouldEqual, true)
})
}
func TestRangePanicCOW(t *testing.T) {
Convey("TestRangePanic", t, func() {
bm := NewBitmap()
bm.SetCopyOnWrite(true)
bm.Add(1)
bm.AddRange(21, 26)
bm.AddRange(9, 14)
bm.AddRange(11, 16)
})
}
func TestRangeRemovalCOW(t *testing.T) {
Convey("TestRangeRemovalPanic", t, func() {
bm := NewBitmap()
bm.SetCopyOnWrite(true)
bm.Add(1)
bm.AddRange(21, 26)
bm.AddRange(9, 14)
bm.RemoveRange(11, 16)
bm.RemoveRange(1, 26)
c := bm.GetCardinality()
So(c, ShouldEqual, 0)
bm.AddRange(1, 10000)
c = bm.GetCardinality()
So(c, ShouldEqual, 10000-1)
bm.RemoveRange(1, 10000)
c = bm.GetCardinality()
So(c, ShouldEqual, 0)
})
}
func TestRangeRemovalFromContentCOW(t *testing.T) {
Convey("TestRangeRemovalPanic", t, func() {
bm := NewBitmap()
bm.SetCopyOnWrite(true)
for i := 100; i < 10000; i++ {
bm.AddInt(i * 3)
}
bm.AddRange(21, 26)
bm.AddRange(9, 14)
bm.RemoveRange(11, 16)
bm.RemoveRange(0, 30000)
c := bm.GetCardinality()
So(c, ShouldEqual, 00)
})
}
func TestFlipOnEmptyCOW(t *testing.T) {
Convey("TestFlipOnEmpty in-place", t, func() {
bm := NewBitmap()
bm.SetCopyOnWrite(true)
bm.Flip(0, 10)
c := bm.GetCardinality()
So(c, ShouldEqual, 10)
})
Convey("TestFlipOnEmpty, generating new result", t, func() {
bm := NewBitmap()
bm.SetCopyOnWrite(true)
bm = Flip(bm, 0, 10)
c := bm.GetCardinality()
So(c, ShouldEqual, 10)
})
}
func TestBitmapRankCOW(t *testing.T) {
for N := uint32(1); N <= 1048576; N *= 2 {
Convey("rank tests"+strconv.Itoa(int(N)), t, func() {
for gap := uint32(1); gap <= 65536; gap *= 2 {
rb1 := NewBitmap()
rb1.SetCopyOnWrite(true)
for x := uint32(0); x <= N; x += gap {
rb1.Add(x)
}
for y := uint32(0); y <= N; y++ {
if rb1.Rank(y) != uint64((y+1+gap-1)/gap) {
So(rb1.Rank(y), ShouldEqual, (y+1+gap-1)/gap)
}
}
}
})
}
}
func TestBitmapSelectCOW(t *testing.T) {
for N := uint32(1); N <= 1048576; N *= 2 {
Convey("rank tests"+strconv.Itoa(int(N)), t, func() {
for gap := uint32(1); gap <= 65536; gap *= 2 {
rb1 := NewBitmap()
rb1.SetCopyOnWrite(true)
for x := uint32(0); x <= N; x += gap {
rb1.Add(x)
}
for y := uint32(0); y <= N/gap; y++ {
expectedInt := y * gap
i, err := rb1.Select(y)
if err != nil {
t.Fatal(err)
}
if i != expectedInt {
So(i, ShouldEqual, expectedInt)
}
}
}
})
}
}
// some extra tests
func TestBitmapExtraCOW(t *testing.T) {
for N := uint32(1); N <= 65536; N *= 2 {
Convey("extra tests"+strconv.Itoa(int(N)), t, func() {
for gap := uint32(1); gap <= 65536; gap *= 2 {
bs1 := bitset.New(0)
rb1 := NewBitmap()
rb1.SetCopyOnWrite(true)
rb1.SetCopyOnWrite(true)
for x := uint32(0); x <= N; x += gap {
bs1.Set(uint(x))
rb1.Add(x)
}
So(bs1.Count(), ShouldEqual, rb1.GetCardinality())
So(equalsBitSet(bs1, rb1), ShouldEqual, true)
for offset := uint32(1); offset <= gap; offset *= 2 {
bs2 := bitset.New(0)
rb2 := NewBitmap()
rb2.SetCopyOnWrite(true)
for x := uint32(0); x <= N; x += gap {
bs2.Set(uint(x + offset))
rb2.Add(x + offset)
}
So(bs2.Count(), ShouldEqual, rb2.GetCardinality())
So(equalsBitSet(bs2, rb2), ShouldEqual, true)
clonebs1 := bs1.Clone()
clonebs1.InPlaceIntersection(bs2)
if !equalsBitSet(clonebs1, And(rb1, rb2)) {
t := rb1.Clone()
t.And(rb2)
So(equalsBitSet(clonebs1, t), ShouldEqual, true)
}
// testing OR
clonebs1 = bs1.Clone()
clonebs1.InPlaceUnion(bs2)
So(equalsBitSet(clonebs1, Or(rb1, rb2)), ShouldEqual, true)
// testing XOR
clonebs1 = bs1.Clone()
clonebs1.InPlaceSymmetricDifference(bs2)
So(equalsBitSet(clonebs1, Xor(rb1, rb2)), ShouldEqual, true)
//testing NOTAND
clonebs1 = bs1.Clone()
clonebs1.InPlaceDifference(bs2)
So(equalsBitSet(clonebs1, AndNot(rb1, rb2)), ShouldEqual, true)
}
}
})
}
}
func TestBitmapCOW(t *testing.T) {
Convey("Test Contains", t, func() {
rbm1 := NewBitmap()
rbm1.SetCopyOnWrite(true)
for k := 0; k < 1000; k++ {
rbm1.AddInt(17 * k)
}
for k := 0; k < 17*1000; k++ {
So(rbm1.ContainsInt(k), ShouldEqual, (k/17*17 == k))
}
})
Convey("Test Clone", t, func() {
rb1 := NewBitmap()
rb1.SetCopyOnWrite(true)
rb1.Add(10)
rb2 := rb1.Clone()
rb2.Remove(10)
So(rb1.Contains(10), ShouldBeTrue)
})
Convey("Test ANDNOT4", t, func() {
rb := NewBitmap()
rb.SetCopyOnWrite(true)
rb2 := NewBitmap()
rb2.SetCopyOnWrite(true)
for i := 0; i < 200000; i += 4 {
rb2.AddInt(i)
}
for i := 200000; i < 400000; i += 14 {
rb2.AddInt(i)
}
off := AndNot(rb2, rb)
andNotresult := AndNot(rb, rb2)
So(rb.Equals(andNotresult), ShouldEqual, true)
So(rb2.Equals(off), ShouldEqual, true)
rb2.AndNot(rb)
So(rb2.Equals(off), ShouldEqual, true)
})
Convey("Test AND", t, func() {
rr := NewBitmap()
rr.SetCopyOnWrite(true)
for k := 0; k < 4000; k++ {
rr.AddInt(k)
}
rr.Add(100000)
rr.Add(110000)
rr2 := NewBitmap()
rr2.SetCopyOnWrite(true)
rr2.Add(13)
rrand := And(rr, rr2)
array := rrand.ToArray()
So(len(array), ShouldEqual, 1)
So(array[0], ShouldEqual, 13)
rr.And(rr2)
array = rr.ToArray()
So(len(array), ShouldEqual, 1)
So(array[0], ShouldEqual, 13)
})
Convey("Test AND 2", t, func() {
rr := NewBitmap()
rr.SetCopyOnWrite(true)
for k := 4000; k < 4256; k++ {
rr.AddInt(k)
}
for k := 65536; k < 65536+4000; k++ {
rr.AddInt(k)
}
for k := 3 * 65536; k < 3*65536+9000; k++ {
rr.AddInt(k)
}
for k := 4 * 65535; k < 4*65535+7000; k++ {
rr.AddInt(k)
}
for k := 6 * 65535; k < 6*65535+10000; k++ {
rr.AddInt(k)
}
for k := 8 * 65535; k < 8*65535+1000; k++ {
rr.AddInt(k)
}
for k := 9 * 65535; k < 9*65535+30000; k++ {
rr.AddInt(k)
}
rr2 := NewBitmap()
rr2.SetCopyOnWrite(true)
for k := 4000; k < 4256; k++ {
rr2.AddInt(k)
}
for k := 65536; k < 65536+4000; k++ {
rr2.AddInt(k)
}
for k := 3*65536 + 2000; k < 3*65536+6000; k++ {
rr2.AddInt(k)
}
for k := 6 * 65535; k < 6*65535+1000; k++ {
rr2.AddInt(k)
}
for k := 7 * 65535; k < 7*65535+1000; k++ {
rr2.AddInt(k)
}
for k := 10 * 65535; k < 10*65535+5000; k++ {
rr2.AddInt(k)
}
correct := And(rr, rr2)
rr.And(rr2)
So(correct.Equals(rr), ShouldEqual, true)
})
Convey("Test AND 2", t, func() {
rr := NewBitmap()
rr.SetCopyOnWrite(true)
for k := 0; k < 4000; k++ {
rr.AddInt(k)
}
rr.AddInt(100000)
rr.AddInt(110000)
rr2 := NewBitmap()
rr2.SetCopyOnWrite(true)
rr2.AddInt(13)
rrand := And(rr, rr2)
array := rrand.ToArray()
So(len(array), ShouldEqual, 1)
So(array[0], ShouldEqual, 13)
})
Convey("Test AND 3a", t, func() {
rr := NewBitmap()
rr.SetCopyOnWrite(true)
rr2 := NewBitmap()
rr2.SetCopyOnWrite(true)
for k := 6 * 65536; k < 6*65536+10000; k++ {
rr.AddInt(k)
}
for k := 6 * 65536; k < 6*65536+1000; k++ {
rr2.AddInt(k)
}
result := And(rr, rr2)
So(result.GetCardinality(), ShouldEqual, 1000)
})
Convey("Test AND 3", t, func() {
var arrayand [11256]uint32
//393,216
pos := 0
rr := NewBitmap()
rr.SetCopyOnWrite(true)
for k := 4000; k < 4256; k++ {
rr.AddInt(k)
}
for k := 65536; k < 65536+4000; k++ {
rr.AddInt(k)
}
for k := 3 * 65536; k < 3*65536+1000; k++ {
rr.AddInt(k)
}
for k := 3*65536 + 1000; k < 3*65536+7000; k++ {
rr.AddInt(k)
}
for k := 3*65536 + 7000; k < 3*65536+9000; k++ {
rr.AddInt(k)
}
for k := 4 * 65536; k < 4*65536+7000; k++ {
rr.AddInt(k)
}
for k := 8 * 65536; k < 8*65536+1000; k++ {
rr.AddInt(k)
}
for k := 9 * 65536; k < 9*65536+30000; k++ {
rr.AddInt(k)
}
rr2 := NewBitmap()
rr2.SetCopyOnWrite(true)
for k := 4000; k < 4256; k++ {
rr2.AddInt(k)
arrayand[pos] = uint32(k)
pos++
}
for k := 65536; k < 65536+4000; k++ {
rr2.AddInt(k)
arrayand[pos] = uint32(k)
pos++
}
for k := 3*65536 + 1000; k < 3*65536+7000; k++ {
rr2.AddInt(k)
arrayand[pos] = uint32(k)
pos++
}
for k := 6 * 65536; k < 6*65536+10000; k++ {
rr.AddInt(k)
}
for k := 6 * 65536; k < 6*65536+1000; k++ {
rr2.AddInt(k)
arrayand[pos] = uint32(k)
pos++
}
for k := 7 * 65536; k < 7*65536+1000; k++ {
rr2.AddInt(k)
}
for k := 10 * 65536; k < 10*65536+5000; k++ {
rr2.AddInt(k)
}
rrand := And(rr, rr2)
arrayres := rrand.ToArray()
ok := true
for i := range arrayres {
if i < len(arrayand) {
if arrayres[i] != arrayand[i] {
log.Println(i, arrayres[i], arrayand[i])
ok = false
}
} else {
log.Println('x', arrayres[i])
ok = false
}
}
So(len(arrayand), ShouldEqual, len(arrayres))
So(ok, ShouldEqual, true)
})
Convey("Test AND 4", t, func() {
rb := NewBitmap()
rb.SetCopyOnWrite(true)
rb2 := NewBitmap()
rb2.SetCopyOnWrite(true)
for i := 0; i < 200000; i += 4 {
rb2.AddInt(i)
}
for i := 200000; i < 400000; i += 14 {
rb2.AddInt(i)
}
//TODO: Bitmap.And(bm,bm2)
andresult := And(rb, rb2)
off := And(rb2, rb)
So(andresult.Equals(off), ShouldEqual, true)
So(andresult.GetCardinality(), ShouldEqual, 0)
for i := 500000; i < 600000; i += 14 {
rb.AddInt(i)
}
for i := 200000; i < 400000; i += 3 {
rb2.AddInt(i)
}
andresult2 := And(rb, rb2)
So(andresult.GetCardinality(), ShouldEqual, 0)
So(andresult2.GetCardinality(), ShouldEqual, 0)
for i := 0; i < 200000; i += 4 {
rb.AddInt(i)
}
for i := 200000; i < 400000; i += 14 {
rb.AddInt(i)
}
So(andresult.GetCardinality(), ShouldEqual, 0)
rc := And(rb, rb2)
rb.And(rb2)
So(rc.GetCardinality(), ShouldEqual, rb.GetCardinality())
})
Convey("ArrayContainerCardinalityTest", t, func() {
ac := newArrayContainer()
for k := uint16(0); k < 100; k++ {
ac.iadd(k)
So(ac.getCardinality(), ShouldEqual, k+1)
}
for k := uint16(0); k < 100; k++ {
ac.iadd(k)
So(ac.getCardinality(), ShouldEqual, 100)
}
})
Convey("or test", t, func() {
rr := NewBitmap()
rr.SetCopyOnWrite(true)
for k := 0; k < 4000; k++ {
rr.AddInt(k)
}
rr2 := NewBitmap()
rr2.SetCopyOnWrite(true)
for k := 4000; k < 8000; k++ {
rr2.AddInt(k)
}
result := Or(rr, rr2)
So(result.GetCardinality(), ShouldEqual, rr.GetCardinality()+rr2.GetCardinality())
})
Convey("basic test", t, func() {
rr := NewBitmap()
rr.SetCopyOnWrite(true)
var a [4002]uint32
pos := 0
for k := 0; k < 4000; k++ {
rr.AddInt(k)
a[pos] = uint32(k)
pos++
}
rr.AddInt(100000)
a[pos] = 100000
pos++
rr.AddInt(110000)
a[pos] = 110000
pos++
array := rr.ToArray()
ok := true
for i := range a {
if array[i] != a[i] {
log.Println("rr : ", array[i], " a : ", a[i])
ok = false
}
}
So(len(array), ShouldEqual, len(a))
So(ok, ShouldEqual, true)
})
Convey("BitmapContainerCardinalityTest", t, func() {
ac := newBitmapContainer()
for k := uint16(0); k < 100; k++ {
ac.iadd(k)
So(ac.getCardinality(), ShouldEqual, k+1)
}
for k := uint16(0); k < 100; k++ {
ac.iadd(k)
So(ac.getCardinality(), ShouldEqual, 100)
}
})
Convey("BitmapContainerTest", t, func() {
rr := newBitmapContainer()
rr.iadd(uint16(110))
rr.iadd(uint16(114))
rr.iadd(uint16(115))
var array [3]uint16
pos := 0
for itr := rr.getShortIterator(); itr.hasNext(); {
array[pos] = itr.next()
pos++
}
So(array[0], ShouldEqual, uint16(110))
So(array[1], ShouldEqual, uint16(114))
So(array[2], ShouldEqual, uint16(115))
})
Convey("cardinality test", t, func() {
N := 1024
for gap := 7; gap < 100000; gap *= 10 {
for offset := 2; offset <= 1024; offset *= 2 {
rb := NewBitmap()
rb.SetCopyOnWrite(true)
for k := 0; k < N; k++ {
rb.AddInt(k * gap)
So(rb.GetCardinality(), ShouldEqual, k+1)
}
So(rb.GetCardinality(), ShouldEqual, N)
// check the add of existing values
for k := 0; k < N; k++ {
rb.AddInt(k * gap)
So(rb.GetCardinality(), ShouldEqual, N)
}
rb2 := NewBitmap()
rb2.SetCopyOnWrite(true)
for k := 0; k < N; k++ {
rb2.AddInt(k * gap * offset)
So(rb2.GetCardinality(), ShouldEqual, k+1)
}
So(rb2.GetCardinality(), ShouldEqual, N)
for k := 0; k < N; k++ {
rb2.AddInt(k * gap * offset)
So(rb2.GetCardinality(), ShouldEqual, N)
}
So(And(rb, rb2).GetCardinality(), ShouldEqual, N/offset)
So(Xor(rb, rb2).GetCardinality(), ShouldEqual, 2*N-2*N/offset)
So(Or(rb, rb2).GetCardinality(), ShouldEqual, 2*N-N/offset)
}
}
})
Convey("clear test", t, func() {
rb := NewBitmap()
rb.SetCopyOnWrite(true)
for i := 0; i < 200000; i += 7 {
// dense
rb.AddInt(i)
}
for i := 200000; i < 400000; i += 177 {
// sparse
rb.AddInt(i)
}
rb2 := NewBitmap()
rb2.SetCopyOnWrite(true)
rb3 := NewBitmap()
rb3.SetCopyOnWrite(true)
for i := 0; i < 200000; i += 4 {
rb2.AddInt(i)
}
for i := 200000; i < 400000; i += 14 {
rb2.AddInt(i)
}
rb.Clear()
So(rb.GetCardinality(), ShouldEqual, 0)
So(rb2.GetCardinality(), ShouldNotEqual, 0)
rb.AddInt(4)
rb3.AddInt(4)
andresult := And(rb, rb2)
orresult := Or(rb, rb2)
So(andresult.GetCardinality(), ShouldEqual, 1)
So(orresult.GetCardinality(), ShouldEqual, rb2.GetCardinality())
for i := 0; i < 200000; i += 4 {
rb.AddInt(i)
rb3.AddInt(i)
}
for i := 200000; i < 400000; i += 114 {
rb.AddInt(i)
rb3.AddInt(i)
}
arrayrr := rb.ToArray()
arrayrr3 := rb3.ToArray()
ok := true
for i := range arrayrr {
if arrayrr[i] != arrayrr3[i] {
ok = false
}
}
So(len(arrayrr), ShouldEqual, len(arrayrr3))
So(ok, ShouldEqual, true)
})
Convey("constainer factory ", t, func() {
bc1 := newBitmapContainer()
bc2 := newBitmapContainer()
bc3 := newBitmapContainer()
ac1 := newArrayContainer()
ac2 := newArrayContainer()
ac3 := newArrayContainer()
for i := 0; i < 5000; i++ {
bc1.iadd(uint16(i * 70))
}
for i := 0; i < 5000; i++ {
bc2.iadd(uint16(i * 70))
}
for i := 0; i < 5000; i++ {
bc3.iadd(uint16(i * 70))
}
for i := 0; i < 4000; i++ {
ac1.iadd(uint16(i * 50))
}
for i := 0; i < 4000; i++ {
ac2.iadd(uint16(i * 50))
}
for i := 0; i < 4000; i++ {
ac3.iadd(uint16(i * 50))
}
rbc := ac1.clone().(*arrayContainer).toBitmapContainer()
So(validate(rbc, ac1), ShouldEqual, true)
rbc = ac2.clone().(*arrayContainer).toBitmapContainer()
So(validate(rbc, ac2), ShouldEqual, true)
rbc = ac3.clone().(*arrayContainer).toBitmapContainer()
So(validate(rbc, ac3), ShouldEqual, true)
})
Convey("flipTest1 ", t, func() {
rb := NewBitmap()
rb.SetCopyOnWrite(true)
rb.Flip(100000, 200000) // in-place on empty bitmap
rbcard := rb.GetCardinality()
So(100000, ShouldEqual, rbcard)
bs := bitset.New(20000 - 10000)
for i := uint(100000); i < 200000; i++ {
bs.Set(i)
}
So(equalsBitSet(bs, rb), ShouldEqual, true)
})
Convey("flipTest1A", t, func() {
rb := NewBitmap()
rb.SetCopyOnWrite(true)
rb1 := Flip(rb, 100000, 200000)
rbcard := rb1.GetCardinality()
So(100000, ShouldEqual, rbcard)
So(0, ShouldEqual, rb.GetCardinality())
bs := bitset.New(0)
So(equalsBitSet(bs, rb), ShouldEqual, true)
for i := uint(100000); i < 200000; i++ {
bs.Set(i)
}
So(equalsBitSet(bs, rb1), ShouldEqual, true)
})
Convey("flipTest2", t, func() {
rb := NewBitmap()
rb.SetCopyOnWrite(true)
rb.Flip(100000, 100000)
rbcard := rb.GetCardinality()
So(0, ShouldEqual, rbcard)
bs := bitset.New(0)
So(equalsBitSet(bs, rb), ShouldEqual, true)
})
Convey("flipTest2A", t, func() {
rb := NewBitmap()
rb.SetCopyOnWrite(true)
rb1 := Flip(rb, 100000, 100000)
rb.AddInt(1)
rbcard := rb1.GetCardinality()
So(0, ShouldEqual, rbcard)
So(1, ShouldEqual, rb.GetCardinality())
bs := bitset.New(0)
So(equalsBitSet(bs, rb1), ShouldEqual, true)
bs.Set(1)
So(equalsBitSet(bs, rb), ShouldEqual, true)
})
Convey("flipTest3A", t, func() {
rb := NewBitmap()
rb.SetCopyOnWrite(true)
rb.Flip(100000, 200000) // got 100k-199999
rb.Flip(100000, 199991) // give back 100k-199990
rbcard := rb.GetCardinality()
So(9, ShouldEqual, rbcard)
bs := bitset.New(0)
for i := uint(199991); i < 200000; i++ {
bs.Set(i)
}
So(equalsBitSet(bs, rb), ShouldEqual, true)
})
Convey("flipTest4A", t, func() {
// fits evenly on both ends
rb := NewBitmap()
rb.SetCopyOnWrite(true)
rb.Flip(100000, 200000) // got 100k-199999
rb.Flip(65536, 4*65536)
rbcard := rb.GetCardinality()
// 65536 to 99999 are 1s
// 200000 to 262143 are 1s: total card
So(96608, ShouldEqual, rbcard)
bs := bitset.New(0)
for i := uint(65536); i < 100000; i++ {
bs.Set(i)
}
for i := uint(200000); i < 262144; i++ {
bs.Set(i)
}
So(equalsBitSet(bs, rb), ShouldEqual, true)
})
Convey("flipTest5", t, func() {
// fits evenly on small end, multiple
// containers
rb := NewBitmap()
rb.SetCopyOnWrite(true)
rb.Flip(100000, 132000)
rb.Flip(65536, 120000)
rbcard := rb.GetCardinality()
// 65536 to 99999 are 1s
// 120000 to 131999
So(46464, ShouldEqual, rbcard)
bs := bitset.New(0)
for i := uint(65536); i < 100000; i++ {
bs.Set(i)
}
for i := uint(120000); i < 132000; i++ {
bs.Set(i)
}
So(equalsBitSet(bs, rb), ShouldEqual, true)
})
Convey("flipTest6", t, func() {
rb := NewBitmap()
rb.SetCopyOnWrite(true)
rb1 := Flip(rb, 100000, 132000)
rb2 := Flip(rb1, 65536, 120000)
//rbcard := rb2.GetCardinality()
bs := bitset.New(0)
for i := uint(65536); i < 100000; i++ {
bs.Set(i)
}
for i := uint(120000); i < 132000; i++ {
bs.Set(i)
}
So(equalsBitSet(bs, rb2), ShouldEqual, true)
})
Convey("flipTest6A", t, func() {
rb := NewBitmap()
rb.SetCopyOnWrite(true)
rb1 := Flip(rb, 100000, 132000)
rb2 := Flip(rb1, 99000, 2*65536)
rbcard := rb2.GetCardinality()
So(1928, ShouldEqual, rbcard)
bs := bitset.New(0)
for i := uint(99000); i < 100000; i++ {
bs.Set(i)
}
for i := uint(2 * 65536); i < 132000; i++ {
bs.Set(i)
}
So(equalsBitSet(bs, rb2), ShouldEqual, true)
})
Convey("flipTest7", t, func() {
// within 1 word, first container
rb := NewBitmap()
rb.SetCopyOnWrite(true)
rb.Flip(650, 132000)
rb.Flip(648, 651)
rbcard := rb.GetCardinality()
// 648, 649, 651-131999
So(132000-651+2, ShouldEqual, rbcard)
bs := bitset.New(0)
bs.Set(648)
bs.Set(649)
for i := uint(651); i < 132000; i++ {
bs.Set(i)
}
So(equalsBitSet(bs, rb), ShouldEqual, true)
})
Convey("flipTestBig", t, func() {
numCases := 1000
rb := NewBitmap()
rb.SetCopyOnWrite(true)
bs := bitset.New(0)
//Random r = new Random(3333);
checkTime := 2.0
for i := 0; i < numCases; i++ {
start := rand.Intn(65536 * 20)
end := rand.Intn(65536 * 20)
if rand.Float64() < float64(0.1) {
end = start + rand.Intn(100)