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vendor/github.com/golang/protobuf/proto/message_set_test.go

@@ -0,0 +1,66 @@
+// Go support for Protocol Buffers - Google's data interchange format
+//
+// Copyright 2014 The Go Authors.  All rights reserved.
+// https://github.com/golang/protobuf
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+package proto
+
+import (
+	"bytes"
+	"testing"
+)
+
+func TestUnmarshalMessageSetWithDuplicate(t *testing.T) {
+	// Check that a repeated message set entry will be concatenated.
+	in := &messageSet{
+		Item: []*_MessageSet_Item{
+			{TypeId: Int32(12345), Message: []byte("hoo")},
+			{TypeId: Int32(12345), Message: []byte("hah")},
+		},
+	}
+	b, err := Marshal(in)
+	if err != nil {
+		t.Fatalf("Marshal: %v", err)
+	}
+	t.Logf("Marshaled bytes: %q", b)
+
+	var extensions XXX_InternalExtensions
+	if err := UnmarshalMessageSet(b, &extensions); err != nil {
+		t.Fatalf("UnmarshalMessageSet: %v", err)
+	}
+	ext, ok := extensions.p.extensionMap[12345]
+	if !ok {
+		t.Fatalf("Didn't retrieve extension 12345; map is %v", extensions.p.extensionMap)
+	}
+	// Skip wire type/field number and length varints.
+	got := skipVarint(skipVarint(ext.enc))
+	if want := []byte("hoohah"); !bytes.Equal(got, want) {
+		t.Errorf("Combined extension is %q, want %q", got, want)
+	}
+}