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Diffstat (limited to 'java/core/src/test/java/com/google/protobuf/CodedInputStreamTest.java')
| -rw-r--r-- | java/core/src/test/java/com/google/protobuf/CodedInputStreamTest.java | 821 |
1 files changed, 0 insertions, 821 deletions
diff --git a/java/core/src/test/java/com/google/protobuf/CodedInputStreamTest.java b/java/core/src/test/java/com/google/protobuf/CodedInputStreamTest.java deleted file mode 100644 index ca940ced..00000000 --- a/java/core/src/test/java/com/google/protobuf/CodedInputStreamTest.java +++ /dev/null @@ -1,821 +0,0 @@ -// Protocol Buffers - Google's data interchange format -// Copyright 2008 Google Inc. All rights reserved. -// https://developers.google.com/protocol-buffers/ -// -// 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 protobuf_unittest.UnittestProto.BoolMessage; -import protobuf_unittest.UnittestProto.Int32Message; -import protobuf_unittest.UnittestProto.Int64Message; -import protobuf_unittest.UnittestProto.TestAllTypes; -import protobuf_unittest.UnittestProto.TestRecursiveMessage; - -import junit.framework.TestCase; - -import java.io.ByteArrayInputStream; -import java.io.ByteArrayOutputStream; -import java.io.FilterInputStream; -import java.io.IOException; -import java.io.InputStream; -import java.nio.ByteBuffer; - -/** - * Unit test for {@link CodedInputStream}. - * - * @author kenton@google.com Kenton Varda - */ -public class CodedInputStreamTest extends TestCase { - /** - * Helper to construct a byte array from a bunch of bytes. The inputs are - * actually ints so that I can use hex notation and not get stupid errors - * about precision. - */ - private byte[] bytes(int... bytesAsInts) { - byte[] bytes = new byte[bytesAsInts.length]; - for (int i = 0; i < bytesAsInts.length; i++) { - bytes[i] = (byte) bytesAsInts[i]; - } - return bytes; - } - - /** - * An InputStream which limits the number of bytes it reads at a time. - * We use this to make sure that CodedInputStream doesn't screw up when - * reading in small blocks. - */ - private static final class SmallBlockInputStream extends FilterInputStream { - private final int blockSize; - - public SmallBlockInputStream(byte[] data, int blockSize) { - this(new ByteArrayInputStream(data), blockSize); - } - - public SmallBlockInputStream(InputStream in, int blockSize) { - super(in); - this.blockSize = blockSize; - } - - @Override - public int read(byte[] b) throws IOException { - return super.read(b, 0, Math.min(b.length, blockSize)); - } - - @Override - public int read(byte[] b, int off, int len) throws IOException { - return super.read(b, off, Math.min(len, blockSize)); - } - } - - private void assertDataConsumed(byte[] data, CodedInputStream input) - throws IOException { - assertEquals(data.length, input.getTotalBytesRead()); - assertTrue(input.isAtEnd()); - } - - /** - * Parses the given bytes using readRawVarint32() and readRawVarint64() and - * checks that the result matches the given value. - */ - private void assertReadVarint(byte[] data, long value) throws Exception { - CodedInputStream input = CodedInputStream.newInstance(data); - assertEquals((int) value, input.readRawVarint32()); - assertDataConsumed(data, input); - - input = CodedInputStream.newInstance(data); - assertEquals(value, input.readRawVarint64()); - assertDataConsumed(data, input); - - input = CodedInputStream.newInstance(data); - assertEquals(value, input.readRawVarint64SlowPath()); - assertDataConsumed(data, input); - - input = CodedInputStream.newInstance(data); - assertTrue(input.skipField(WireFormat.WIRETYPE_VARINT)); - assertDataConsumed(data, input); - - // Try different block sizes. - for (int blockSize = 1; blockSize <= 16; blockSize *= 2) { - input = CodedInputStream.newInstance( - new SmallBlockInputStream(data, blockSize)); - assertEquals((int) value, input.readRawVarint32()); - assertDataConsumed(data, input); - - input = CodedInputStream.newInstance( - new SmallBlockInputStream(data, blockSize)); - assertEquals(value, input.readRawVarint64()); - assertDataConsumed(data, input); - - input = CodedInputStream.newInstance( - new SmallBlockInputStream(data, blockSize)); - assertEquals(value, input.readRawVarint64SlowPath()); - assertDataConsumed(data, input); - - input = CodedInputStream.newInstance( - new SmallBlockInputStream(data, blockSize)); - assertTrue(input.skipField(WireFormat.WIRETYPE_VARINT)); - assertDataConsumed(data, input); - } - - // Try reading direct from an InputStream. We want to verify that it - // doesn't read past the end of the input, so we copy to a new, bigger - // array first. - byte[] longerData = new byte[data.length + 1]; - System.arraycopy(data, 0, longerData, 0, data.length); - InputStream rawInput = new ByteArrayInputStream(longerData); - assertEquals((int) value, CodedInputStream.readRawVarint32(rawInput)); - assertEquals(1, rawInput.available()); - } - - /** - * Parses the given bytes using readRawVarint32() and readRawVarint64() and - * expects them to fail with an InvalidProtocolBufferException whose - * description matches the given one. - */ - private void assertReadVarintFailure( - InvalidProtocolBufferException expected, byte[] data) - throws Exception { - CodedInputStream input = CodedInputStream.newInstance(data); - try { - input.readRawVarint32(); - fail("Should have thrown an exception."); - } catch (InvalidProtocolBufferException e) { - assertEquals(expected.getMessage(), e.getMessage()); - } - - input = CodedInputStream.newInstance(data); - try { - input.readRawVarint64(); - fail("Should have thrown an exception."); - } catch (InvalidProtocolBufferException e) { - assertEquals(expected.getMessage(), e.getMessage()); - } - - input = CodedInputStream.newInstance(data); - try { - input.readRawVarint64SlowPath(); - fail("Should have thrown an exception."); - } catch (InvalidProtocolBufferException e) { - assertEquals(expected.getMessage(), e.getMessage()); - } - - // Make sure we get the same error when reading direct from an InputStream. - try { - CodedInputStream.readRawVarint32(new ByteArrayInputStream(data)); - fail("Should have thrown an exception."); - } catch (InvalidProtocolBufferException e) { - assertEquals(expected.getMessage(), e.getMessage()); - } - } - - /** Tests readRawVarint32() and readRawVarint64(). */ - public void testReadVarint() throws Exception { - assertReadVarint(bytes(0x00), 0); - assertReadVarint(bytes(0x01), 1); - assertReadVarint(bytes(0x7f), 127); - // 14882 - assertReadVarint(bytes(0xa2, 0x74), (0x22 << 0) | (0x74 << 7)); - // 2961488830 - assertReadVarint(bytes(0xbe, 0xf7, 0x92, 0x84, 0x0b), - (0x3e << 0) | (0x77 << 7) | (0x12 << 14) | (0x04 << 21) | - (0x0bL << 28)); - - // 64-bit - // 7256456126 - assertReadVarint(bytes(0xbe, 0xf7, 0x92, 0x84, 0x1b), - (0x3e << 0) | (0x77 << 7) | (0x12 << 14) | (0x04 << 21) | - (0x1bL << 28)); - // 41256202580718336 - assertReadVarint( - bytes(0x80, 0xe6, 0xeb, 0x9c, 0xc3, 0xc9, 0xa4, 0x49), - (0x00 << 0) | (0x66 << 7) | (0x6b << 14) | (0x1c << 21) | - (0x43L << 28) | (0x49L << 35) | (0x24L << 42) | (0x49L << 49)); - // 11964378330978735131 - assertReadVarint( - bytes(0x9b, 0xa8, 0xf9, 0xc2, 0xbb, 0xd6, 0x80, 0x85, 0xa6, 0x01), - (0x1b << 0) | (0x28 << 7) | (0x79 << 14) | (0x42 << 21) | - (0x3bL << 28) | (0x56L << 35) | (0x00L << 42) | - (0x05L << 49) | (0x26L << 56) | (0x01L << 63)); - - // Failures - assertReadVarintFailure( - InvalidProtocolBufferException.malformedVarint(), - bytes(0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, - 0x00)); - assertReadVarintFailure( - InvalidProtocolBufferException.truncatedMessage(), - bytes(0x80)); - } - - /** - * Parses the given bytes using readRawLittleEndian32() and checks - * that the result matches the given value. - */ - private void assertReadLittleEndian32(byte[] data, int value) - throws Exception { - CodedInputStream input = CodedInputStream.newInstance(data); - assertEquals(value, input.readRawLittleEndian32()); - assertTrue(input.isAtEnd()); - - // Try different block sizes. - for (int blockSize = 1; blockSize <= 16; blockSize *= 2) { - input = CodedInputStream.newInstance( - new SmallBlockInputStream(data, blockSize)); - assertEquals(value, input.readRawLittleEndian32()); - assertTrue(input.isAtEnd()); - } - } - - /** - * Parses the given bytes using readRawLittleEndian64() and checks - * that the result matches the given value. - */ - private void assertReadLittleEndian64(byte[] data, long value) - throws Exception { - CodedInputStream input = CodedInputStream.newInstance(data); - assertEquals(value, input.readRawLittleEndian64()); - assertTrue(input.isAtEnd()); - - // Try different block sizes. - for (int blockSize = 1; blockSize <= 16; blockSize *= 2) { - input = CodedInputStream.newInstance( - new SmallBlockInputStream(data, blockSize)); - assertEquals(value, input.readRawLittleEndian64()); - assertTrue(input.isAtEnd()); - } - } - - /** Tests readRawLittleEndian32() and readRawLittleEndian64(). */ - public void testReadLittleEndian() throws Exception { - assertReadLittleEndian32(bytes(0x78, 0x56, 0x34, 0x12), 0x12345678); - assertReadLittleEndian32(bytes(0xf0, 0xde, 0xbc, 0x9a), 0x9abcdef0); - - assertReadLittleEndian64( - bytes(0xf0, 0xde, 0xbc, 0x9a, 0x78, 0x56, 0x34, 0x12), - 0x123456789abcdef0L); - assertReadLittleEndian64( - bytes(0x78, 0x56, 0x34, 0x12, 0xf0, 0xde, 0xbc, 0x9a), - 0x9abcdef012345678L); - } - - /** Test decodeZigZag32() and decodeZigZag64(). */ - public void testDecodeZigZag() throws Exception { - assertEquals( 0, CodedInputStream.decodeZigZag32(0)); - assertEquals(-1, CodedInputStream.decodeZigZag32(1)); - assertEquals( 1, CodedInputStream.decodeZigZag32(2)); - assertEquals(-2, CodedInputStream.decodeZigZag32(3)); - assertEquals(0x3FFFFFFF, CodedInputStream.decodeZigZag32(0x7FFFFFFE)); - assertEquals(0xC0000000, CodedInputStream.decodeZigZag32(0x7FFFFFFF)); - assertEquals(0x7FFFFFFF, CodedInputStream.decodeZigZag32(0xFFFFFFFE)); - assertEquals(0x80000000, CodedInputStream.decodeZigZag32(0xFFFFFFFF)); - - assertEquals( 0, CodedInputStream.decodeZigZag64(0)); - assertEquals(-1, CodedInputStream.decodeZigZag64(1)); - assertEquals( 1, CodedInputStream.decodeZigZag64(2)); - assertEquals(-2, CodedInputStream.decodeZigZag64(3)); - assertEquals(0x000000003FFFFFFFL, - CodedInputStream.decodeZigZag64(0x000000007FFFFFFEL)); - assertEquals(0xFFFFFFFFC0000000L, - CodedInputStream.decodeZigZag64(0x000000007FFFFFFFL)); - assertEquals(0x000000007FFFFFFFL, - CodedInputStream.decodeZigZag64(0x00000000FFFFFFFEL)); - assertEquals(0xFFFFFFFF80000000L, - CodedInputStream.decodeZigZag64(0x00000000FFFFFFFFL)); - assertEquals(0x7FFFFFFFFFFFFFFFL, - CodedInputStream.decodeZigZag64(0xFFFFFFFFFFFFFFFEL)); - assertEquals(0x8000000000000000L, - CodedInputStream.decodeZigZag64(0xFFFFFFFFFFFFFFFFL)); - } - - /** Tests reading and parsing a whole message with every field type. */ - public void testReadWholeMessage() throws Exception { - TestAllTypes message = TestUtil.getAllSet(); - - byte[] rawBytes = message.toByteArray(); - assertEquals(rawBytes.length, message.getSerializedSize()); - - TestAllTypes message2 = TestAllTypes.parseFrom(rawBytes); - TestUtil.assertAllFieldsSet(message2); - - // Try different block sizes. - for (int blockSize = 1; blockSize < 256; blockSize *= 2) { - message2 = TestAllTypes.parseFrom( - new SmallBlockInputStream(rawBytes, blockSize)); - TestUtil.assertAllFieldsSet(message2); - } - } - - /** Tests skipField(). */ - public void testSkipWholeMessage() throws Exception { - TestAllTypes message = TestUtil.getAllSet(); - byte[] rawBytes = message.toByteArray(); - - // Create two parallel inputs. Parse one as unknown fields while using - // skipField() to skip each field on the other. Expect the same tags. - CodedInputStream input1 = CodedInputStream.newInstance(rawBytes); - CodedInputStream input2 = CodedInputStream.newInstance(rawBytes); - UnknownFieldSet.Builder unknownFields = UnknownFieldSet.newBuilder(); - - while (true) { - int tag = input1.readTag(); - assertEquals(tag, input2.readTag()); - if (tag == 0) { - break; - } - unknownFields.mergeFieldFrom(tag, input1); - input2.skipField(tag); - } - } - - - /** - * Test that a bug in skipRawBytes() has been fixed: if the skip skips - * exactly up to a limit, this should not break things. - */ - public void testSkipRawBytesBug() throws Exception { - byte[] rawBytes = new byte[] { 1, 2 }; - CodedInputStream input = CodedInputStream.newInstance(rawBytes); - - int limit = input.pushLimit(1); - input.skipRawBytes(1); - input.popLimit(limit); - assertEquals(2, input.readRawByte()); - } - - /** - * Test that a bug in skipRawBytes() has been fixed: if the skip skips - * past the end of a buffer with a limit that has been set past the end of - * that buffer, this should not break things. - */ - public void testSkipRawBytesPastEndOfBufferWithLimit() throws Exception { - byte[] rawBytes = new byte[] { 1, 2, 3, 4, 5 }; - CodedInputStream input = CodedInputStream.newInstance( - new SmallBlockInputStream(rawBytes, 3)); - - int limit = input.pushLimit(4); - // In order to expose the bug we need to read at least one byte to prime the - // buffer inside the CodedInputStream. - assertEquals(1, input.readRawByte()); - // Skip to the end of the limit. - input.skipRawBytes(3); - assertTrue(input.isAtEnd()); - input.popLimit(limit); - assertEquals(5, input.readRawByte()); - } - - public void testReadHugeBlob() throws Exception { - // Allocate and initialize a 1MB blob. - byte[] blob = new byte[1 << 20]; - for (int i = 0; i < blob.length; i++) { - blob[i] = (byte) i; - } - - // Make a message containing it. - TestAllTypes.Builder builder = TestAllTypes.newBuilder(); - TestUtil.setAllFields(builder); - builder.setOptionalBytes(ByteString.copyFrom(blob)); - TestAllTypes message = builder.build(); - - // Serialize and parse it. Make sure to parse from an InputStream, not - // directly from a ByteString, so that CodedInputStream uses buffered - // reading. - TestAllTypes message2 = - TestAllTypes.parseFrom(message.toByteString().newInput()); - - assertEquals(message.getOptionalBytes(), message2.getOptionalBytes()); - - // Make sure all the other fields were parsed correctly. - TestAllTypes message3 = TestAllTypes.newBuilder(message2) - .setOptionalBytes(TestUtil.getAllSet().getOptionalBytes()) - .build(); - TestUtil.assertAllFieldsSet(message3); - } - - public void testReadMaliciouslyLargeBlob() throws Exception { - ByteString.Output rawOutput = ByteString.newOutput(); - CodedOutputStream output = CodedOutputStream.newInstance(rawOutput); - - int tag = WireFormat.makeTag(1, WireFormat.WIRETYPE_LENGTH_DELIMITED); - output.writeRawVarint32(tag); - output.writeRawVarint32(0x7FFFFFFF); - output.writeRawBytes(new byte[32]); // Pad with a few random bytes. - output.flush(); - - CodedInputStream input = rawOutput.toByteString().newCodedInput(); - assertEquals(tag, input.readTag()); - - try { - input.readBytes(); - fail("Should have thrown an exception!"); - } catch (InvalidProtocolBufferException e) { - // success. - } - } - - private TestRecursiveMessage makeRecursiveMessage(int depth) { - if (depth == 0) { - return TestRecursiveMessage.newBuilder().setI(5).build(); - } else { - return TestRecursiveMessage.newBuilder() - .setA(makeRecursiveMessage(depth - 1)).build(); - } - } - - private void assertMessageDepth(TestRecursiveMessage message, int depth) { - if (depth == 0) { - assertFalse(message.hasA()); - assertEquals(5, message.getI()); - } else { - assertTrue(message.hasA()); - assertMessageDepth(message.getA(), depth - 1); - } - } - - public void testMaliciousRecursion() throws Exception { - ByteString data100 = makeRecursiveMessage(100).toByteString(); - ByteString data101 = makeRecursiveMessage(101).toByteString(); - - assertMessageDepth(TestRecursiveMessage.parseFrom(data100), 100); - - try { - TestRecursiveMessage.parseFrom(data101); - fail("Should have thrown an exception!"); - } catch (InvalidProtocolBufferException e) { - // success. - } - - CodedInputStream input = data100.newCodedInput(); - input.setRecursionLimit(8); - try { - TestRecursiveMessage.parseFrom(input); - fail("Should have thrown an exception!"); - } catch (InvalidProtocolBufferException e) { - // success. - } - } - - private void checkSizeLimitExceeded(InvalidProtocolBufferException e) { - assertEquals( - InvalidProtocolBufferException.sizeLimitExceeded().getMessage(), - e.getMessage()); - } - - public void testSizeLimit() throws Exception { - CodedInputStream input = CodedInputStream.newInstance( - new SmallBlockInputStream( - TestUtil.getAllSet().toByteString().newInput(), 16)); - input.setSizeLimit(16); - - try { - TestAllTypes.parseFrom(input); - fail("Should have thrown an exception!"); - } catch (InvalidProtocolBufferException expected) { - checkSizeLimitExceeded(expected); - } - } - - public void testResetSizeCounter() throws Exception { - CodedInputStream input = CodedInputStream.newInstance( - new SmallBlockInputStream(new byte[256], 8)); - input.setSizeLimit(16); - input.readRawBytes(16); - assertEquals(16, input.getTotalBytesRead()); - - try { - input.readRawByte(); - fail("Should have thrown an exception!"); - } catch (InvalidProtocolBufferException expected) { - checkSizeLimitExceeded(expected); - } - - input.resetSizeCounter(); - assertEquals(0, input.getTotalBytesRead()); - input.readRawByte(); // No exception thrown. - input.resetSizeCounter(); - assertEquals(0, input.getTotalBytesRead()); - input.readRawBytes(16); - assertEquals(16, input.getTotalBytesRead()); - input.resetSizeCounter(); - - try { - input.readRawBytes(17); // Hits limit again. - fail("Should have thrown an exception!"); - } catch (InvalidProtocolBufferException expected) { - checkSizeLimitExceeded(expected); - } - } - - public void testSizeLimitMultipleMessages() throws Exception { - byte[] bytes = new byte[256]; - for (int i = 0; i < bytes.length; i++) { - bytes[i] = (byte) i; - } - CodedInputStream input = CodedInputStream.newInstance( - new SmallBlockInputStream(bytes, 7)); - input.setSizeLimit(16); - for (int i = 0; i < 256 / 16; i++) { - byte[] message = input.readRawBytes(16); - for (int j = 0; j < message.length; j++) { - assertEquals(i * 16 + j, message[j] & 0xff); - } - assertEquals(16, input.getTotalBytesRead()); - input.resetSizeCounter(); - assertEquals(0, input.getTotalBytesRead()); - } - } - - public void testReadString() throws Exception { - String lorem = "Lorem ipsum dolor sit amet "; - StringBuilder builder = new StringBuilder(); - for (int i = 0; i < 4096; i += lorem.length()) { - builder.append(lorem); - } - lorem = builder.toString().substring(0, 4096); - byte[] bytes = lorem.getBytes("UTF-8"); - ByteString.Output rawOutput = ByteString.newOutput(); - CodedOutputStream output = CodedOutputStream.newInstance(rawOutput, bytes.length); - - int tag = WireFormat.makeTag(1, WireFormat.WIRETYPE_LENGTH_DELIMITED); - output.writeRawVarint32(tag); - output.writeRawVarint32(bytes.length); - output.writeRawBytes(bytes); - output.flush(); - - CodedInputStream input = - CodedInputStream.newInstance( - new ByteArrayInputStream(rawOutput.toByteString().toByteArray())); - assertEquals(tag, input.readTag()); - String text = input.readString(); - assertEquals(lorem, text); - } - - public void testReadStringRequireUtf8() throws Exception { - String lorem = "Lorem ipsum dolor sit amet "; - StringBuilder builder = new StringBuilder(); - for (int i = 0; i < 4096; i += lorem.length()) { - builder.append(lorem); - } - lorem = builder.toString().substring(0, 4096); - byte[] bytes = lorem.getBytes("UTF-8"); - ByteString.Output rawOutput = ByteString.newOutput(); - CodedOutputStream output = CodedOutputStream.newInstance(rawOutput, bytes.length); - - int tag = WireFormat.makeTag(1, WireFormat.WIRETYPE_LENGTH_DELIMITED); - output.writeRawVarint32(tag); - output.writeRawVarint32(bytes.length); - output.writeRawBytes(bytes); - output.flush(); - - CodedInputStream input = - CodedInputStream.newInstance( - new ByteArrayInputStream(rawOutput.toByteString().toByteArray())); - assertEquals(tag, input.readTag()); - String text = input.readStringRequireUtf8(); - assertEquals(lorem, text); - } - - /** - * Tests that if we readString invalid UTF-8 bytes, no exception - * is thrown. Instead, the invalid bytes are replaced with the Unicode - * "replacement character" U+FFFD. - */ - public void testReadStringInvalidUtf8() throws Exception { - ByteString.Output rawOutput = ByteString.newOutput(); - CodedOutputStream output = CodedOutputStream.newInstance(rawOutput); - - int tag = WireFormat.makeTag(1, WireFormat.WIRETYPE_LENGTH_DELIMITED); - output.writeRawVarint32(tag); - output.writeRawVarint32(1); - output.writeRawBytes(new byte[] { (byte) 0x80 }); - output.flush(); - - CodedInputStream input = rawOutput.toByteString().newCodedInput(); - assertEquals(tag, input.readTag()); - String text = input.readString(); - assertEquals(0xfffd, text.charAt(0)); - } - - /** - * Tests that if we readStringRequireUtf8 invalid UTF-8 bytes, an - * InvalidProtocolBufferException is thrown. - */ - public void testReadStringRequireUtf8InvalidUtf8() throws Exception { - ByteString.Output rawOutput = ByteString.newOutput(); - CodedOutputStream output = CodedOutputStream.newInstance(rawOutput); - - int tag = WireFormat.makeTag(1, WireFormat.WIRETYPE_LENGTH_DELIMITED); - output.writeRawVarint32(tag); - output.writeRawVarint32(1); - output.writeRawBytes(new byte[] { (byte) 0x80 }); - output.flush(); - - CodedInputStream input = rawOutput.toByteString().newCodedInput(); - assertEquals(tag, input.readTag()); - try { - input.readStringRequireUtf8(); - fail("Expected invalid UTF-8 exception."); - } catch (InvalidProtocolBufferException exception) { - assertEquals("Protocol message had invalid UTF-8.", exception.getMessage()); - } - } - - public void testReadFromSlice() throws Exception { - byte[] bytes = bytes(0, 1, 2, 3, 4, 5, 6, 7, 8, 9); - CodedInputStream in = CodedInputStream.newInstance(bytes, 3, 5); - assertEquals(0, in.getTotalBytesRead()); - for (int i = 3; i < 8; i++) { - assertEquals(i, in.readRawByte()); - assertEquals(i - 2, in.getTotalBytesRead()); - } - // eof - assertEquals(0, in.readTag()); - assertEquals(5, in.getTotalBytesRead()); - } - - public void testInvalidTag() throws Exception { - // Any tag number which corresponds to field number zero is invalid and - // should throw InvalidProtocolBufferException. - for (int i = 0; i < 8; i++) { - try { - CodedInputStream.newInstance(bytes(i)).readTag(); - fail("Should have thrown an exception."); - } catch (InvalidProtocolBufferException e) { - assertEquals(InvalidProtocolBufferException.invalidTag().getMessage(), - e.getMessage()); - } - } - } - - public void testReadByteArray() throws Exception { - ByteString.Output rawOutput = ByteString.newOutput(); - CodedOutputStream output = CodedOutputStream.newInstance(rawOutput); - // Zero-sized bytes field. - output.writeRawVarint32(0); - // One one-byte bytes field - output.writeRawVarint32(1); - output.writeRawBytes(new byte[] { (byte) 23 }); - // Another one-byte bytes field - output.writeRawVarint32(1); - output.writeRawBytes(new byte[] { (byte) 45 }); - // A bytes field large enough that won't fit into the 4K buffer. - final int bytesLength = 16 * 1024; - byte[] bytes = new byte[bytesLength]; - bytes[0] = (byte) 67; - bytes[bytesLength - 1] = (byte) 89; - output.writeRawVarint32(bytesLength); - output.writeRawBytes(bytes); - - output.flush(); - CodedInputStream inputStream = rawOutput.toByteString().newCodedInput(); - - byte[] result = inputStream.readByteArray(); - assertEquals(0, result.length); - result = inputStream.readByteArray(); - assertEquals(1, result.length); - assertEquals((byte) 23, result[0]); - result = inputStream.readByteArray(); - assertEquals(1, result.length); - assertEquals((byte) 45, result[0]); - result = inputStream.readByteArray(); - assertEquals(bytesLength, result.length); - assertEquals((byte) 67, result[0]); - assertEquals((byte) 89, result[bytesLength - 1]); - } - - public void testReadByteBuffer() throws Exception { - ByteString.Output rawOutput = ByteString.newOutput(); - CodedOutputStream output = CodedOutputStream.newInstance(rawOutput); - // Zero-sized bytes field. - output.writeRawVarint32(0); - // One one-byte bytes field - output.writeRawVarint32(1); - output.writeRawBytes(new byte[]{(byte) 23}); - // Another one-byte bytes field - output.writeRawVarint32(1); - output.writeRawBytes(new byte[]{(byte) 45}); - // A bytes field large enough that won't fit into the 4K buffer. - final int bytesLength = 16 * 1024; - byte[] bytes = new byte[bytesLength]; - bytes[0] = (byte) 67; - bytes[bytesLength - 1] = (byte) 89; - output.writeRawVarint32(bytesLength); - output.writeRawBytes(bytes); - - output.flush(); - CodedInputStream inputStream = rawOutput.toByteString().newCodedInput(); - - ByteBuffer result = inputStream.readByteBuffer(); - assertEquals(0, result.capacity()); - result = inputStream.readByteBuffer(); - assertEquals(1, result.capacity()); - assertEquals((byte) 23, result.get()); - result = inputStream.readByteBuffer(); - assertEquals(1, result.capacity()); - assertEquals((byte) 45, result.get()); - result = inputStream.readByteBuffer(); - assertEquals(bytesLength, result.capacity()); - assertEquals((byte) 67, result.get()); - result.position(bytesLength - 1); - assertEquals((byte) 89, result.get()); - } - - public void testReadByteBufferAliasing() throws Exception { - ByteArrayOutputStream byteArrayStream = new ByteArrayOutputStream(); - CodedOutputStream output = CodedOutputStream.newInstance(byteArrayStream); - // Zero-sized bytes field. - output.writeRawVarint32(0); - // One one-byte bytes field - output.writeRawVarint32(1); - output.writeRawBytes(new byte[]{(byte) 23}); - // Another one-byte bytes field - output.writeRawVarint32(1); - output.writeRawBytes(new byte[]{(byte) 45}); - // A bytes field large enough that won't fit into the 4K buffer. - final int bytesLength = 16 * 1024; - byte[] bytes = new byte[bytesLength]; - bytes[0] = (byte) 67; - bytes[bytesLength - 1] = (byte) 89; - output.writeRawVarint32(bytesLength); - output.writeRawBytes(bytes); - output.flush(); - byte[] data = byteArrayStream.toByteArray(); - - // Without aliasing - CodedInputStream inputStream = CodedInputStream.newInstance(data); - ByteBuffer result = inputStream.readByteBuffer(); - assertEquals(0, result.capacity()); - result = inputStream.readByteBuffer(); - assertTrue(result.array() != data); - assertEquals(1, result.capacity()); - assertEquals((byte) 23, result.get()); - result = inputStream.readByteBuffer(); - assertTrue(result.array() != data); - assertEquals(1, result.capacity()); - assertEquals((byte) 45, result.get()); - result = inputStream.readByteBuffer(); - assertTrue(result.array() != data); - assertEquals(bytesLength, result.capacity()); - assertEquals((byte) 67, result.get()); - result.position(bytesLength - 1); - assertEquals((byte) 89, result.get()); - - // Enable aliasing - inputStream = CodedInputStream.newInstance(data); - inputStream.enableAliasing(true); - result = inputStream.readByteBuffer(); - assertEquals(0, result.capacity()); - result = inputStream.readByteBuffer(); - assertTrue(result.array() == data); - assertEquals(1, result.capacity()); - assertEquals((byte) 23, result.get()); - result = inputStream.readByteBuffer(); - assertTrue(result.array() == data); - assertEquals(1, result.capacity()); - assertEquals((byte) 45, result.get()); - result = inputStream.readByteBuffer(); - assertTrue(result.array() == data); - assertEquals(bytesLength, result.capacity()); - assertEquals((byte) 67, result.get()); - result.position(bytesLength - 1); - assertEquals((byte) 89, result.get()); - } - - public void testCompatibleTypes() throws Exception { - long data = 0x100000000L; - Int64Message message = Int64Message.newBuilder().setData(data).build(); - ByteString serialized = message.toByteString(); - - // Test int64(long) is compatible with bool(boolean) - BoolMessage msg2 = BoolMessage.parseFrom(serialized); - assertTrue(msg2.getData()); - - // Test int64(long) is compatible with int32(int) - Int32Message msg3 = Int32Message.parseFrom(serialized); - assertEquals((int) data, msg3.getData()); - } -} |