/usr/share/gocode/src/github.com/syndtr/goleveldb/leveldb/iterator/merged_iter_test.go is in golang-github-syndtr-goleveldb-dev 0.0~git20170725.0.b89cc31-2.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 | // Copyright (c) 2014, Suryandaru Triandana <syndtr@gmail.com>
// All rights reserved.
//
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
package iterator_test
import (
. "github.com/onsi/ginkgo"
. "github.com/onsi/gomega"
"github.com/syndtr/goleveldb/leveldb/comparer"
. "github.com/syndtr/goleveldb/leveldb/iterator"
"github.com/syndtr/goleveldb/leveldb/testutil"
)
var _ = testutil.Defer(func() {
Describe("Merged iterator", func() {
Test := func(filled int, empty int) func() {
return func() {
It("Should iterates and seeks correctly", func(done Done) {
rnd := testutil.NewRand()
// Build key/value.
filledKV := make([]testutil.KeyValue, filled)
kv := testutil.KeyValue_Generate(nil, 100, 1, 1, 10, 4, 4)
kv.Iterate(func(i int, key, value []byte) {
filledKV[rnd.Intn(filled)].Put(key, value)
})
// Create itearators.
iters := make([]Iterator, filled+empty)
for i := range iters {
if empty == 0 || (rnd.Int()%2 == 0 && filled > 0) {
filled--
Expect(filledKV[filled].Len()).ShouldNot(BeZero())
iters[i] = NewArrayIterator(filledKV[filled])
} else {
empty--
iters[i] = NewEmptyIterator(nil)
}
}
// Test the iterator.
t := testutil.IteratorTesting{
KeyValue: kv.Clone(),
Iter: NewMergedIterator(iters, comparer.DefaultComparer, true),
}
testutil.DoIteratorTesting(&t)
done <- true
}, 15.0)
}
}
Describe("with three, all filled iterators", Test(3, 0))
Describe("with one filled, one empty iterators", Test(1, 1))
Describe("with one filled, two empty iterators", Test(1, 2))
})
})
|