Adding upstream version 2.5.1.

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

document/field_ip_test.go

@@ -0,0 +1,38 @@
+//  Copyright (c) 2021 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 document
+
+import (
+	"bytes"
+	"net"
+	"testing"
+)
+
+func TestIPField(t *testing.T) {
+	nf := NewIPField("ip", []uint64{}, net.IPv4(192, 168, 1, 1))
+	nf.Analyze()
+	if nf.length != 1 {
+		t.Errorf("expected 1 token")
+	}
+	if len(nf.value) != 16 {
+		t.Errorf("stored value should be in 16 byte ipv6 format")
+	}
+	if !bytes.Equal(nf.value, []byte{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0xff, 0xff, 192, 168, 1, 1}) {
+		t.Errorf("wrong value stored, expected 192.168.1.1, got %q", nf.value.String())
+	}
+	if len(nf.frequencies) != 1 {
+		t.Errorf("expected 1 token freqs")
+	}
+}