Adding upstream version 2.5.1.

Signed-off-by: Daniel Baumann <daniel@debian.org>

search/collector/bench_test.go

@@ -0,0 +1,50 @@
+//  Copyright (c) 2016 Couchbase, Inc.
+//
+// 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 collector
+
+import (
+	"context"
+	"math/rand"
+	"strconv"
+	"testing"
+
+	"github.com/blevesearch/bleve/v2/search"
+	index "github.com/blevesearch/bleve_index_api"
+)
+
+type createCollector func() search.Collector
+
+func benchHelper(numOfMatches int, cc createCollector, b *testing.B) {
+	matches := make([]*search.DocumentMatch, 0, numOfMatches)
+	for i := 0; i < numOfMatches; i++ {
+		matches = append(matches, &search.DocumentMatch{
+			IndexInternalID: index.IndexInternalID(strconv.Itoa(i)),
+			Score:           rand.Float64(),
+		})
+	}
+
+	b.ResetTimer()
+
+	for run := 0; run < b.N; run++ {
+		searcher := &stubSearcher{
+			matches: matches,
+		}
+		collector := cc()
+		err := collector.Collect(context.Background(), searcher, &stubReader{})
+		if err != nil {
+			b.Fatal(err)
+		}
+	}
+}