Adding upstream version 2.5.1.

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

search/search_test.go

@@ -0,0 +1,94 @@
+//  Copyright (c) 2019 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 search
+
+import (
+	"encoding/json"
+	"reflect"
+	"testing"
+)
+
+func TestArrayPositionsCompare(t *testing.T) {
+	tests := []struct {
+		a      []uint64
+		b      []uint64
+		expect int
+	}{
+		{nil, nil, 0},
+		{[]uint64{}, []uint64{}, 0},
+		{[]uint64{1}, []uint64{}, 1},
+		{[]uint64{1}, []uint64{1}, 0},
+		{[]uint64{}, []uint64{1}, -1},
+		{[]uint64{0}, []uint64{1}, -1},
+		{[]uint64{1}, []uint64{0}, 1},
+		{[]uint64{1}, []uint64{1, 2}, -1},
+		{[]uint64{1, 2}, []uint64{1}, 1},
+		{[]uint64{1, 2}, []uint64{1, 2}, 0},
+		{[]uint64{1, 2}, []uint64{1, 200}, -1},
+		{[]uint64{1, 2}, []uint64{100, 2}, -1},
+		{[]uint64{1, 2}, []uint64{1, 2, 3}, -1},
+	}
+
+	for _, test := range tests {
+		res := ArrayPositions(test.a).Compare(test.b)
+		if res != test.expect {
+			t.Errorf("test: %+v, res: %v", test, res)
+		}
+	}
+}
+
+func TestLocationsDedupe(t *testing.T) {
+	a := &Location{}
+	b := &Location{Pos: 1}
+	c := &Location{Pos: 2}
+
+	tests := []struct {
+		input  Locations
+		expect Locations
+	}{
+		{Locations{}, Locations{}},
+		{Locations{a}, Locations{a}},
+		{Locations{a, b, c}, Locations{a, b, c}},
+		{Locations{a, a}, Locations{a}},
+		{Locations{a, a, a}, Locations{a}},
+		{Locations{a, b}, Locations{a, b}},
+		{Locations{b, a}, Locations{a, b}},
+		{Locations{c, b, a, c, b, a, c, b, a}, Locations{a, b, c}},
+	}
+
+	for testi, test := range tests {
+		res := test.input.Dedupe()
+		if !reflect.DeepEqual(res, test.expect) {
+			t.Errorf("testi: %d, test: %+v, res: %+v", testi, test, res)
+		}
+	}
+}
+
+func TestMarshallingHighTerm(t *testing.T) {
+	highTermBytes, err := json.Marshal(HighTerm)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	var unmarshalledHighTerm string
+	err = json.Unmarshal(highTermBytes, &unmarshalledHighTerm)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	if unmarshalledHighTerm != HighTerm {
+		t.Fatalf("unexpected %x != %x", unmarshalledHighTerm, HighTerm)
+	}
+}