featurebase/roaring/roaring_internal_test.go
2017-05-24 12:38:50 -05:00

86 lines
2.5 KiB
Go

// Copyright 2017 Pilosa Corp.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package roaring
import "testing"
func TestBitmapCountRange(t *testing.T) {
c := container{}
tests := []struct {
start uint32
end uint32
bitmap []uint64
exp int
}{
{start: 0, end: 1, bitmap: []uint64{1}, exp: 1},
{start: 2, end: 7, bitmap: []uint64{0xFFFFFFFFFFFFFF18}, exp: 2},
{start: 67, end: 68, bitmap: []uint64{0, 0x8}, exp: 1},
{start: 1, end: 68, bitmap: []uint64{0x3, 0x8, 0xF}, exp: 2},
{start: 1, end: 258, bitmap: []uint64{0xF, 0x8, 0xA, 0x4, 0xFFFFFFFFFFFFFFFF}, exp: 9},
{start: 66, end: 71, bitmap: []uint64{0xF, 0xFFFFFFFFFFFFFF18}, exp: 2},
{start: 63, end: 64, bitmap: []uint64{0x8000000000000000}, exp: 1},
}
for i, test := range tests {
c.bitmap = test.bitmap
if ret := c.bitmapCountRange(test.start, test.end); ret != test.exp {
t.Fatalf("test #%v count of %v from %v to %v should be %v but got %v", i, test.bitmap, test.start, test.end, test.exp, ret)
}
}
}
func TestIntersectionCountArrayBitmap2(t *testing.T) {
a, b := &container{}, &container{}
tests := []struct {
array []uint32
bitmap []uint64
exp uint64
}{
{
array: []uint32{0},
bitmap: []uint64{1},
exp: 1,
},
{
array: []uint32{0, 1},
bitmap: []uint64{3},
exp: 2,
},
{
array: []uint32{64, 128, 129, 2000},
bitmap: []uint64{932421, 2},
exp: 0,
},
{
array: []uint32{0, 65, 130, 195},
bitmap: []uint64{255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255},
exp: 4,
},
{
array: []uint32{63, 120, 543, 639, 12000},
bitmap: []uint64{0x8000000000000000, 0, 0, 0, 0, 0, 0, 0, 0, 0x8000000000000000},
exp: 2,
},
}
for i, test := range tests {
a.array = test.array
b.bitmap = test.bitmap
ret1 := intersectionCountArrayBitmapOld(a, b)
ret2 := intersectionCountArrayBitmap(a, b)
if ret1 != ret2 || ret2 != test.exp {
t.Fatalf("test #%v intersectCountArrayBitmap fail orig: %v new: %v exp: %v", i, ret1, ret2, test.exp)
}
}
}