| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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 org.apache.qpid.protonj2.codec.decoders; |
| |
| import static org.junit.jupiter.api.Assertions.assertEquals; |
| import static org.junit.jupiter.api.Assertions.assertFalse; |
| import static org.junit.jupiter.api.Assertions.assertNotNull; |
| import static org.junit.jupiter.api.Assertions.assertNull; |
| import static org.junit.jupiter.api.Assertions.assertSame; |
| import static org.junit.jupiter.api.Assertions.assertThrows; |
| import static org.junit.jupiter.api.Assertions.assertTrue; |
| import static org.junit.jupiter.api.Assertions.fail; |
| |
| import java.io.IOException; |
| import java.util.UUID; |
| |
| import org.apache.qpid.protonj2.buffer.ProtonBuffer; |
| import org.apache.qpid.protonj2.buffer.ProtonByteBufferAllocator; |
| import org.apache.qpid.protonj2.codec.CodecTestSupport; |
| import org.apache.qpid.protonj2.codec.DecodeEOFException; |
| import org.apache.qpid.protonj2.codec.DecodeException; |
| import org.apache.qpid.protonj2.codec.DecoderState; |
| import org.apache.qpid.protonj2.codec.EncodingCodes; |
| import org.apache.qpid.protonj2.types.UnknownDescribedType; |
| import org.apache.qpid.protonj2.types.UnsignedLong; |
| import org.junit.jupiter.api.Test; |
| |
| public class ProtonDecoderTest extends CodecTestSupport { |
| |
| @Test |
| public void testGetCachedDecoderStateReturnsCachedState() { |
| DecoderState first = decoder.getCachedDecoderState(); |
| |
| assertSame(first, decoder.getCachedDecoderState()); |
| } |
| |
| @Test |
| public void testReadNullFromReadObjectForNullEncoding() throws IOException { |
| ProtonBuffer buffer = ProtonByteBufferAllocator.DEFAULT.allocate(); |
| |
| buffer.writeByte(EncodingCodes.NULL); |
| buffer.writeByte(EncodingCodes.NULL); |
| |
| assertNull(decoder.readObject(buffer, decoderState)); |
| assertNull(decoder.readObject(buffer, decoderState, UUID.class)); |
| } |
| |
| @Test |
| public void testTryReadFromEmptyBuffer() throws IOException { |
| ProtonBuffer buffer = ProtonByteBufferAllocator.DEFAULT.allocate(); |
| |
| try { |
| decoder.readObject(buffer, decoderState); |
| fail("Should fail on read of object from empty buffer"); |
| } catch (DecodeEOFException dex) {} |
| } |
| |
| @Test |
| public void testErrorOnReadOfUnknownEncoding() throws IOException { |
| ProtonBuffer buffer = ProtonByteBufferAllocator.DEFAULT.allocate(); |
| |
| buffer.writeByte(255); |
| |
| assertNull(decoder.peekNextTypeDecoder(buffer, decoderState)); |
| |
| try { |
| decoder.readObject(buffer, decoderState); |
| fail("Should throw if no type decoder exists for given type"); |
| } catch (DecodeException ioe) {} |
| } |
| |
| @Test |
| public void testReadFromNullEncodingCode() throws IOException { |
| ProtonBuffer buffer = ProtonByteBufferAllocator.DEFAULT.allocate(); |
| |
| final UUID value = UUID.randomUUID(); |
| |
| buffer.writeByte(EncodingCodes.UUID); |
| buffer.writeLong(value.getMostSignificantBits()); |
| buffer.writeLong(value.getLeastSignificantBits()); |
| |
| try { |
| decoder.readObject(buffer, decoderState, String.class); |
| fail("Should not allow for conversion to String type"); |
| } catch (ClassCastException cce) { |
| } |
| } |
| |
| @Test |
| public void testReadMultipleFromNullEncoding() throws IOException { |
| ProtonBuffer buffer = ProtonByteBufferAllocator.DEFAULT.allocate(); |
| |
| buffer.writeByte(EncodingCodes.NULL); |
| |
| assertNull(decoder.readMultiple(buffer, decoderState, UUID.class)); |
| } |
| |
| @Test |
| public void testReadMultipleFromSingleEncoding() throws IOException { |
| ProtonBuffer buffer = ProtonByteBufferAllocator.DEFAULT.allocate(); |
| |
| final UUID value = UUID.randomUUID(); |
| |
| buffer.writeByte(EncodingCodes.UUID); |
| buffer.writeLong(value.getMostSignificantBits()); |
| buffer.writeLong(value.getLeastSignificantBits()); |
| |
| UUID[] result = decoder.readMultiple(buffer, decoderState, UUID.class); |
| |
| assertNotNull(result); |
| assertEquals(1, result.length); |
| assertEquals(value, result[0]); |
| } |
| |
| @Test |
| public void testReadMultipleRequestsWrongTypeForArray() throws IOException { |
| ProtonBuffer buffer = ProtonByteBufferAllocator.DEFAULT.allocate(); |
| |
| final UUID value = UUID.randomUUID(); |
| |
| buffer.writeByte(EncodingCodes.UUID); |
| buffer.writeLong(value.getMostSignificantBits()); |
| buffer.writeLong(value.getLeastSignificantBits()); |
| |
| try { |
| decoder.readMultiple(buffer, decoderState, String.class); |
| fail("Should not be able to convert to wrong resulting array type"); |
| } catch (ClassCastException cce) {} |
| } |
| |
| @Test |
| public void testReadMultipleRequestsWrongTypeForArrayEncoding() throws IOException { |
| ProtonBuffer buffer = ProtonByteBufferAllocator.DEFAULT.allocate(); |
| |
| final UUID[] value = new UUID[] { UUID.randomUUID(), UUID.randomUUID() }; |
| |
| encoder.writeArray(buffer, encoderState, value); |
| |
| try { |
| decoder.readMultiple(buffer, decoderState, String.class); |
| fail("Should not be able to convert to wrong resulting array type"); |
| } catch (ClassCastException cce) {} |
| } |
| |
| @Test |
| public void testDecodeUnknownDescribedTypeWithNegativeLongDescriptor() throws IOException { |
| ProtonBuffer buffer = ProtonByteBufferAllocator.DEFAULT.allocate(); |
| |
| final UUID value = UUID.randomUUID(); |
| |
| buffer.writeByte(EncodingCodes.DESCRIBED_TYPE_INDICATOR); |
| buffer.writeByte(EncodingCodes.ULONG); |
| buffer.writeLong(UnsignedLong.MAX_VALUE.longValue()); |
| buffer.writeByte(EncodingCodes.UUID); |
| buffer.writeLong(value.getMostSignificantBits()); |
| buffer.writeLong(value.getLeastSignificantBits()); |
| |
| final Object result = decoder.readObject(buffer, decoderState); |
| |
| assertNotNull(result); |
| assertTrue(result instanceof UnknownDescribedType); |
| |
| UnknownDescribedType type = (UnknownDescribedType) result; |
| assertTrue(type.getDescribed() instanceof UUID); |
| assertEquals(value, type.getDescribed()); |
| } |
| |
| @Test |
| public void testDecodeUnknownDescribedTypeWithMaxLongDescriptor() throws IOException { |
| ProtonBuffer buffer = ProtonByteBufferAllocator.DEFAULT.allocate(); |
| |
| final UUID value = UUID.randomUUID(); |
| |
| buffer.writeByte(EncodingCodes.DESCRIBED_TYPE_INDICATOR); |
| buffer.writeByte(EncodingCodes.ULONG); |
| buffer.writeLong(Long.MAX_VALUE); |
| buffer.writeByte(EncodingCodes.UUID); |
| buffer.writeLong(value.getMostSignificantBits()); |
| buffer.writeLong(value.getLeastSignificantBits()); |
| |
| final Object result = decoder.readObject(buffer, decoderState); |
| |
| assertNotNull(result); |
| assertTrue(result instanceof UnknownDescribedType); |
| |
| UnknownDescribedType type = (UnknownDescribedType) result; |
| assertTrue(type.getDescribed() instanceof UUID); |
| assertEquals(value, type.getDescribed()); |
| } |
| |
| @Test |
| public void testDecodeUnknownDescribedTypeWithUnknownDescriptorCode() throws IOException { |
| ProtonBuffer buffer = ProtonByteBufferAllocator.DEFAULT.allocate(); |
| |
| final UUID value = UUID.randomUUID(); |
| |
| buffer.writeByte(EncodingCodes.DESCRIBED_TYPE_INDICATOR); |
| buffer.writeByte(EncodingCodes.SMALLULONG); |
| buffer.writeByte(255); |
| buffer.writeByte(EncodingCodes.UUID); |
| buffer.writeLong(value.getMostSignificantBits()); |
| buffer.writeLong(value.getLeastSignificantBits()); |
| |
| final Object result = decoder.readObject(buffer, decoderState); |
| |
| assertNotNull(result); |
| assertTrue(result instanceof UnknownDescribedType); |
| |
| UnknownDescribedType type = (UnknownDescribedType) result; |
| assertTrue(type.getDescribed() instanceof UUID); |
| assertEquals(value, type.getDescribed()); |
| assertNotNull(type.toString()); |
| } |
| |
| @Test |
| public void testReadUnsignedIntegerTypes() throws IOException { |
| ProtonBuffer buffer = ProtonByteBufferAllocator.DEFAULT.allocate(); |
| |
| buffer.writeByte(EncodingCodes.UINT0); |
| buffer.writeByte(EncodingCodes.SMALLUINT); |
| buffer.writeByte(127); |
| buffer.writeByte(EncodingCodes.UINT); |
| buffer.writeByte(0); |
| buffer.writeByte(0); |
| buffer.writeByte(0); |
| buffer.writeByte(255); |
| buffer.writeByte(EncodingCodes.NULL); |
| |
| assertEquals(0, decoder.readUnsignedInteger(buffer, decoderState, 32)); |
| assertEquals(127, decoder.readUnsignedInteger(buffer, decoderState, 32)); |
| assertEquals(255, decoder.readUnsignedInteger(buffer, decoderState, 32)); |
| assertEquals(32, decoder.readUnsignedInteger(buffer, decoderState, 32)); |
| } |
| |
| @Test |
| public void testReadStringWithCustomStringDecoder() throws IOException { |
| ProtonBuffer buffer = ProtonByteBufferAllocator.DEFAULT.allocate(); |
| |
| buffer.writeByte(EncodingCodes.STR32); |
| buffer.writeInt(16); |
| buffer.writeBytes(new byte[] { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 }); |
| |
| ((ProtonDecoderState) decoderState).setStringDecoder(new UTF8Decoder() { |
| |
| @Override |
| public String decodeUTF8(ProtonBuffer buffer, int utf8length) { |
| return "string-decoder"; |
| } |
| }); |
| |
| assertNotNull(((ProtonDecoderState) decoderState).getStringDecoder()); |
| |
| String result = decoder.readString(buffer, decoderState); |
| |
| assertEquals("string-decoder", result); |
| assertFalse(buffer.isReadable()); |
| } |
| |
| @Test |
| public void testStringReadFromCustomDecoderThrowsDecodeExceptionOnError() throws IOException { |
| ProtonBuffer buffer = ProtonByteBufferAllocator.DEFAULT.allocate(); |
| |
| buffer.writeByte(EncodingCodes.STR32); |
| buffer.writeInt(16); |
| buffer.writeBytes(new byte[] { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 }); |
| |
| ((ProtonDecoderState) decoderState).setStringDecoder(new UTF8Decoder() { |
| |
| @Override |
| public String decodeUTF8(ProtonBuffer buffer, int utf8length) { |
| throw new IndexOutOfBoundsException(); |
| } |
| }); |
| |
| assertNotNull(((ProtonDecoderState) decoderState).getStringDecoder()); |
| assertThrows(DecodeException.class, () -> decoder.readString(buffer, decoderState)); |
| } |
| } |