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serialization_test.go
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serialization_test.go
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package roaring
// to run just these tests: go test -run TestSerialization*
import (
"bytes"
"testing"
)
func TestBase64(t *testing.T) {
rb := BitmapOf(1, 2, 3, 4, 5, 100, 1000)
bstr, _ := rb.ToBase64()
if bstr == "" {
t.Errorf("ToBase64 failed returned empty string")
}
newrb := NewRoaringBitmap()
_, err := newrb.FromBase64(bstr)
if err != nil {
t.Errorf("Failed reading from base64 string")
}
if !rb.Equals(newrb) {
t.Errorf("comparing the base64 to and from failed cannot retrieve serialized version")
}
}
func TestSerializationBasic(t *testing.T) {
rb := BitmapOf(1, 2, 3, 4, 5, 100, 1000)
l := int(rb.GetSerializedSizeInBytes())
buf := new(bytes.Buffer)
_, err := rb.WriteTo(buf)
if err != nil {
t.Errorf("Failed writing")
}
if l != buf.Len() {
t.Errorf("Bad GetSerializedSizeInBytes")
}
newrb := NewRoaringBitmap()
_, err = newrb.ReadFrom(buf)
if err != nil {
t.Errorf("Failed reading")
}
if !rb.Equals(newrb) {
t.Errorf("Cannot retrieve serialized version")
}
}
func TestSerializationBasic2(t *testing.T) {
rb := BitmapOf(1, 2, 3, 4, 5, 100, 1000, 10000, 100000, 1000000)
buf := new(bytes.Buffer)
l := int(rb.GetSerializedSizeInBytes())
_, err := rb.WriteTo(buf)
if err != nil {
t.Errorf("Failed writing")
}
if l != buf.Len() {
t.Errorf("Bad GetSerializedSizeInBytes")
}
newrb := NewRoaringBitmap()
_, err = newrb.ReadFrom(buf)
if err != nil {
t.Errorf("Failed reading")
}
if !rb.Equals(newrb) {
t.Errorf("Cannot retrieve serialized version")
}
}
func TestSerializationBasic3(t *testing.T) {
rb := BitmapOf(1, 2, 3, 4, 5, 100, 1000, 10000, 100000, 1000000)
for i := 5000000; i < 5000000+2*(1<<16); i++ {
rb.AddInt(i)
}
l := int(rb.GetSerializedSizeInBytes())
buf := new(bytes.Buffer)
_, err := rb.WriteTo(buf)
if err != nil {
t.Errorf("Failed writing")
}
if l != buf.Len() {
t.Errorf("Bad GetSerializedSizeInBytes")
}
newrb := NewRoaringBitmap()
_, err = newrb.ReadFrom(buf)
if err != nil {
t.Errorf("Failed reading")
}
if !rb.Equals(newrb) {
t.Errorf("Cannot retrieve serialized version")
}
}