| // Protocol Buffers - Google's data interchange format |
| // Copyright 2008 Google Inc. All rights reserved. |
| // http://code.google.com/p/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 com.google.protobuf; |
| |
| import junit.framework.TestCase; |
| |
| import java.io.ByteArrayInputStream; |
| import java.io.ByteArrayOutputStream; |
| |
| import protobuf_unittest.UnittestProto; |
| import protobuf_unittest.UnittestProto.TestAllExtensions; |
| import protobuf_unittest.UnittestProto.TestAllTypes; |
| import protobuf_unittest.UnittestProto.TestFieldOrderings; |
| import protobuf_unittest.UnittestProto.TestPackedExtensions; |
| import protobuf_unittest.UnittestProto.TestPackedTypes; |
| import protobuf_unittest.UnittestMset.TestMessageSet; |
| import protobuf_unittest.UnittestMset.RawMessageSet; |
| import protobuf_unittest.UnittestMset.TestMessageSetExtension1; |
| import protobuf_unittest.UnittestMset.TestMessageSetExtension2; |
| import com.google.protobuf.UnittestLite.TestAllExtensionsLite; |
| import com.google.protobuf.UnittestLite.TestPackedExtensionsLite; |
| |
| /** |
| * 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 testSerializationPacked() throws Exception { |
| TestPackedTypes message = TestUtil.getPackedSet(); |
| |
| ByteString rawBytes = message.toByteString(); |
| assertEquals(rawBytes.size(), message.getSerializedSize()); |
| |
| TestPackedTypes message2 = TestPackedTypes.parseFrom(rawBytes); |
| |
| TestUtil.assertPackedFieldsSet(message2); |
| } |
| |
| public void testSerializeExtensions() throws Exception { |
| // TestAllTypes and TestAllExtensions should have compatible wire formats, |
| // so if we serialize 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 testSerializePackedExtensions() throws Exception { |
| // TestPackedTypes and TestPackedExtensions should have compatible wire |
| // formats; check that they serialize to the same string. |
| TestPackedExtensions message = TestUtil.getPackedExtensionsSet(); |
| ByteString rawBytes = message.toByteString(); |
| |
| TestPackedTypes message2 = TestUtil.getPackedSet(); |
| ByteString rawBytes2 = message2.toByteString(); |
| |
| assertEquals(rawBytes, rawBytes2); |
| } |
| |
| public void testSerializationPackedWithoutGetSerializedSize() |
| throws Exception { |
| // Write directly to an OutputStream, without invoking getSerializedSize() |
| // This used to be a bug where the size of a packed field was incorrect, |
| // since getSerializedSize() was never invoked. |
| TestPackedTypes message = TestUtil.getPackedSet(); |
| |
| // Directly construct a CodedOutputStream around the actual OutputStream, |
| // in case writeTo(OutputStream output) invokes getSerializedSize(); |
| ByteArrayOutputStream outputStream = new ByteArrayOutputStream(); |
| CodedOutputStream codedOutput = CodedOutputStream.newInstance(outputStream); |
| |
| message.writeTo(codedOutput); |
| |
| codedOutput.flush(); |
| |
| TestPackedTypes message2 = TestPackedTypes.parseFrom( |
| outputStream.toByteArray()); |
| |
| TestUtil.assertPackedFieldsSet(message2); |
| } |
| |
| public void testSerializeExtensionsLite() throws Exception { |
| // TestAllTypes and TestAllExtensions should have compatible wire formats, |
| // so if we serialize a TestAllExtensions then parse it as TestAllTypes |
| // it should work. |
| |
| TestAllExtensionsLite message = TestUtil.getAllLiteExtensionsSet(); |
| ByteString rawBytes = message.toByteString(); |
| assertEquals(rawBytes.size(), message.getSerializedSize()); |
| |
| TestAllTypes message2 = TestAllTypes.parseFrom(rawBytes); |
| |
| TestUtil.assertAllFieldsSet(message2); |
| } |
| |
| public void testSerializePackedExtensionsLite() throws Exception { |
| // TestPackedTypes and TestPackedExtensions should have compatible wire |
| // formats; check that they serialize to the same string. |
| TestPackedExtensionsLite message = TestUtil.getLitePackedExtensionsSet(); |
| ByteString rawBytes = message.toByteString(); |
| |
| TestPackedTypes message2 = TestUtil.getPackedSet(); |
| ByteString rawBytes2 = message2.toByteString(); |
| |
| assertEquals(rawBytes, rawBytes2); |
| } |
| |
| public void testParseExtensions() throws Exception { |
| // TestAllTypes and TestAllExtensions should have compatible wire formats, |
| // so if we serialize a TestAllTypes then parse it as TestAllExtensions |
| // it should work. |
| |
| TestAllTypes message = TestUtil.getAllSet(); |
| ByteString rawBytes = message.toByteString(); |
| |
| ExtensionRegistry registry = TestUtil.getExtensionRegistry(); |
| |
| TestAllExtensions message2 = |
| TestAllExtensions.parseFrom(rawBytes, registry); |
| |
| TestUtil.assertAllExtensionsSet(message2); |
| } |
| |
| public void testParsePackedExtensions() throws Exception { |
| // Ensure that packed extensions can be properly parsed. |
| TestPackedExtensions message = TestUtil.getPackedExtensionsSet(); |
| ByteString rawBytes = message.toByteString(); |
| |
| ExtensionRegistry registry = TestUtil.getExtensionRegistry(); |
| |
| TestPackedExtensions message2 = |
| TestPackedExtensions.parseFrom(rawBytes, registry); |
| |
| TestUtil.assertPackedExtensionsSet(message2); |
| } |
| |
| public void testParseExtensionsLite() throws Exception { |
| // TestAllTypes and TestAllExtensions should have compatible wire formats, |
| // so if we serialize a TestAllTypes then parse it as TestAllExtensions |
| // it should work. |
| |
| TestAllTypes message = TestUtil.getAllSet(); |
| ByteString rawBytes = message.toByteString(); |
| |
| ExtensionRegistryLite registry_lite = TestUtil.getExtensionRegistryLite(); |
| |
| TestAllExtensionsLite message2 = |
| TestAllExtensionsLite.parseFrom(rawBytes, registry_lite); |
| |
| TestUtil.assertAllExtensionsSet(message2); |
| |
| // Try again using a full extension registry. |
| ExtensionRegistry registry = TestUtil.getExtensionRegistry(); |
| |
| TestAllExtensionsLite message3 = |
| TestAllExtensionsLite.parseFrom(rawBytes, registry); |
| |
| TestUtil.assertAllExtensionsSet(message3); |
| } |
| |
| public void testParsePackedExtensionsLite() throws Exception { |
| // Ensure that packed extensions can be properly parsed. |
| TestPackedExtensionsLite message = TestUtil.getLitePackedExtensionsSet(); |
| ByteString rawBytes = message.toByteString(); |
| |
| ExtensionRegistryLite registry = TestUtil.getExtensionRegistryLite(); |
| |
| TestPackedExtensionsLite message2 = |
| TestPackedExtensionsLite.parseFrom(rawBytes, registry); |
| |
| TestUtil.assertPackedExtensionsSet(message2); |
| } |
| |
| public void testExtensionsSerializedSize() throws Exception { |
| assertEquals(TestUtil.getAllSet().getSerializedSize(), |
| TestUtil.getAllExtensionsSet().getSerializedSize()); |
| } |
| |
| public void testSerializeDelimited() throws Exception { |
| ByteArrayOutputStream output = new ByteArrayOutputStream(); |
| TestUtil.getAllSet().writeDelimitedTo(output); |
| output.write(12); |
| TestUtil.getPackedSet().writeDelimitedTo(output); |
| output.write(34); |
| |
| ByteArrayInputStream input = new ByteArrayInputStream(output.toByteArray()); |
| |
| TestUtil.assertAllFieldsSet(TestAllTypes.parseDelimitedFrom(input)); |
| assertEquals(12, input.read()); |
| TestUtil.assertPackedFieldsSet(TestPackedTypes.parseDelimitedFrom(input)); |
| assertEquals(34, input.read()); |
| assertEquals(-1, input.read()); |
| |
| // We're at EOF, so parsing again should return null. |
| assertTrue(TestAllTypes.parseDelimitedFrom(input) == null); |
| } |
| |
| 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); |
| previousTag = tag; |
| 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 ExtensionRegistry getTestFieldOrderingsRegistry() { |
| ExtensionRegistry result = ExtensionRegistry.newInstance(); |
| result.add(UnittestProto.myExtensionInt); |
| result.add(UnittestProto.myExtensionString); |
| return result; |
| } |
| |
| public void testParseMultipleExtensionRanges() throws Exception { |
| // Make sure we can parse a message that contains multiple extensions |
| // ranges. |
| TestFieldOrderings source = |
| TestFieldOrderings.newBuilder() |
| .setMyInt(1) |
| .setMyString("foo") |
| .setMyFloat(1.0F) |
| .setExtension(UnittestProto.myExtensionInt, 23) |
| .setExtension(UnittestProto.myExtensionString, "bar") |
| .build(); |
| TestFieldOrderings dest = |
| TestFieldOrderings.parseFrom(source.toByteString(), |
| getTestFieldOrderingsRegistry()); |
| assertEquals(source, dest); |
| } |
| |
| public void testParseMultipleExtensionRangesDynamic() throws Exception { |
| // Same as above except with DynamicMessage. |
| Descriptors.Descriptor descriptor = TestFieldOrderings.getDescriptor(); |
| DynamicMessage source = |
| 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(); |
| DynamicMessage dest = |
| DynamicMessage.parseFrom(descriptor, source.toByteString(), |
| getTestFieldOrderingsRegistry()); |
| assertEquals(source, dest); |
| } |
| |
| 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()); |
| } |
| } |