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Diffstat (limited to 'java/src/test/java/com/google/protobuf/WireFormatTest.java')
| -rw-r--r-- | java/src/test/java/com/google/protobuf/WireFormatTest.java | 226 |
1 files changed, 226 insertions, 0 deletions
diff --git a/java/src/test/java/com/google/protobuf/WireFormatTest.java b/java/src/test/java/com/google/protobuf/WireFormatTest.java new file mode 100644 index 00000000..84cc89f8 --- /dev/null +++ b/java/src/test/java/com/google/protobuf/WireFormatTest.java @@ -0,0 +1,226 @@ +// Protocol Buffers - Google's data interchange format +// Copyright 2008 Google Inc. +// http://code.google.com/p/protobuf/ +// +// 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 com.google.protobuf; + +import junit.framework.TestCase; +import protobuf_unittest.UnittestProto; +import protobuf_unittest.UnittestProto.TestAllTypes; +import protobuf_unittest.UnittestProto.TestAllExtensions; +import protobuf_unittest.UnittestProto.TestFieldOrderings; +import protobuf_unittest.UnittestMset.TestMessageSet; +import protobuf_unittest.UnittestMset.RawMessageSet; +import protobuf_unittest.UnittestMset.TestMessageSetExtension1; +import protobuf_unittest.UnittestMset.TestMessageSetExtension2; + +/** + * Tests related to parsing and serialization. + * + * @author kenton@google.com (Kenton Varda) + */ +public class WireFormatTest extends TestCase { + public void testSerialization() throws Exception { + TestAllTypes message = TestUtil.getAllSet(); + + ByteString rawBytes = message.toByteString(); + assertEquals(rawBytes.size(), message.getSerializedSize()); + + TestAllTypes message2 = TestAllTypes.parseFrom(rawBytes); + + TestUtil.assertAllFieldsSet(message2); + } + + public void testSerializeExtensions() throws Exception { + // TestAllTypes and TestAllExtensions should have compatible wire formats, + // so if we serealize a TestAllExtensions then parse it as TestAllTypes + // it should work. + + TestAllExtensions message = TestUtil.getAllExtensionsSet(); + ByteString rawBytes = message.toByteString(); + assertEquals(rawBytes.size(), message.getSerializedSize()); + + TestAllTypes message2 = TestAllTypes.parseFrom(rawBytes); + + TestUtil.assertAllFieldsSet(message2); + } + + public void testParseExtensions() throws Exception { + // TestAllTypes and TestAllExtensions should have compatible wire formats, + // so if we serealize a TestAllTypes then parse it as TestAllExtensions + // it should work. + + TestAllTypes message = TestUtil.getAllSet(); + ByteString rawBytes = message.toByteString(); + + ExtensionRegistry registry = ExtensionRegistry.newInstance(); + TestUtil.registerAllExtensions(registry); + registry = registry.getUnmodifiable(); + + TestAllExtensions message2 = + TestAllExtensions.parseFrom(rawBytes, registry); + + TestUtil.assertAllExtensionsSet(message2); + } + + public void testExtensionsSerializedSize() throws Exception { + assertEquals(TestUtil.getAllSet().getSerializedSize(), + TestUtil.getAllExtensionsSet().getSerializedSize()); + } + + private void assertFieldsInOrder(ByteString data) throws Exception { + CodedInputStream input = data.newCodedInput(); + int previousTag = 0; + + while (true) { + int tag = input.readTag(); + if (tag == 0) { + break; + } + + assertTrue(tag > previousTag); + input.skipField(tag); + } + } + + public void testInterleavedFieldsAndExtensions() throws Exception { + // Tests that fields are written in order even when extension ranges + // are interleaved with field numbers. + ByteString data = + TestFieldOrderings.newBuilder() + .setMyInt(1) + .setMyString("foo") + .setMyFloat(1.0F) + .setExtension(UnittestProto.myExtensionInt, 23) + .setExtension(UnittestProto.myExtensionString, "bar") + .build().toByteString(); + assertFieldsInOrder(data); + + Descriptors.Descriptor descriptor = TestFieldOrderings.getDescriptor(); + ByteString dynamic_data = + DynamicMessage.newBuilder(TestFieldOrderings.getDescriptor()) + .setField(descriptor.findFieldByName("my_int"), 1L) + .setField(descriptor.findFieldByName("my_string"), "foo") + .setField(descriptor.findFieldByName("my_float"), 1.0F) + .setField(UnittestProto.myExtensionInt.getDescriptor(), 23) + .setField(UnittestProto.myExtensionString.getDescriptor(), "bar") + .build().toByteString(); + assertFieldsInOrder(dynamic_data); + } + + private static final int UNKNOWN_TYPE_ID = 1550055; + private static final int TYPE_ID_1 = + TestMessageSetExtension1.getDescriptor().getExtensions().get(0).getNumber(); + private static final int TYPE_ID_2 = + TestMessageSetExtension2.getDescriptor().getExtensions().get(0).getNumber(); + + public void testSerializeMessageSet() throws Exception { + // Set up a TestMessageSet with two known messages and an unknown one. + TestMessageSet messageSet = + TestMessageSet.newBuilder() + .setExtension( + TestMessageSetExtension1.messageSetExtension, + TestMessageSetExtension1.newBuilder().setI(123).build()) + .setExtension( + TestMessageSetExtension2.messageSetExtension, + TestMessageSetExtension2.newBuilder().setStr("foo").build()) + .setUnknownFields( + UnknownFieldSet.newBuilder() + .addField(UNKNOWN_TYPE_ID, + UnknownFieldSet.Field.newBuilder() + .addLengthDelimited(ByteString.copyFromUtf8("bar")) + .build()) + .build()) + .build(); + + ByteString data = messageSet.toByteString(); + + // Parse back using RawMessageSet and check the contents. + RawMessageSet raw = RawMessageSet.parseFrom(data); + + assertTrue(raw.getUnknownFields().asMap().isEmpty()); + + assertEquals(3, raw.getItemCount()); + assertEquals(TYPE_ID_1, raw.getItem(0).getTypeId()); + assertEquals(TYPE_ID_2, raw.getItem(1).getTypeId()); + assertEquals(UNKNOWN_TYPE_ID, raw.getItem(2).getTypeId()); + + TestMessageSetExtension1 message1 = + TestMessageSetExtension1.parseFrom( + raw.getItem(0).getMessage().toByteArray()); + assertEquals(123, message1.getI()); + + TestMessageSetExtension2 message2 = + TestMessageSetExtension2.parseFrom( + raw.getItem(1).getMessage().toByteArray()); + assertEquals("foo", message2.getStr()); + + assertEquals("bar", raw.getItem(2).getMessage().toStringUtf8()); + } + + public void testParseMessageSet() throws Exception { + ExtensionRegistry extensionRegistry = ExtensionRegistry.newInstance(); + extensionRegistry.add(TestMessageSetExtension1.messageSetExtension); + extensionRegistry.add(TestMessageSetExtension2.messageSetExtension); + + // Set up a RawMessageSet with two known messages and an unknown one. + RawMessageSet raw = + RawMessageSet.newBuilder() + .addItem( + RawMessageSet.Item.newBuilder() + .setTypeId(TYPE_ID_1) + .setMessage( + TestMessageSetExtension1.newBuilder() + .setI(123) + .build().toByteString()) + .build()) + .addItem( + RawMessageSet.Item.newBuilder() + .setTypeId(TYPE_ID_2) + .setMessage( + TestMessageSetExtension2.newBuilder() + .setStr("foo") + .build().toByteString()) + .build()) + .addItem( + RawMessageSet.Item.newBuilder() + .setTypeId(UNKNOWN_TYPE_ID) + .setMessage(ByteString.copyFromUtf8("bar")) + .build()) + .build(); + + ByteString data = raw.toByteString(); + + // Parse as a TestMessageSet and check the contents. + TestMessageSet messageSet = + TestMessageSet.parseFrom(data, extensionRegistry); + + assertEquals(123, messageSet.getExtension( + TestMessageSetExtension1.messageSetExtension).getI()); + assertEquals("foo", messageSet.getExtension( + TestMessageSetExtension2.messageSetExtension).getStr()); + + // Check for unknown field with type LENGTH_DELIMITED, + // number UNKNOWN_TYPE_ID, and contents "bar". + UnknownFieldSet unknownFields = messageSet.getUnknownFields(); + assertEquals(1, unknownFields.asMap().size()); + assertTrue(unknownFields.hasField(UNKNOWN_TYPE_ID)); + + UnknownFieldSet.Field field = unknownFields.getField(UNKNOWN_TYPE_ID); + assertEquals(1, field.getLengthDelimitedList().size()); + assertEquals("bar", field.getLengthDelimitedList().get(0).toStringUtf8()); + } +} + |