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Implemented possibility to read parent object while writing custom binary field

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Ziver Koc 2023-03-09 23:11:52 +01:00
parent 3514a58c40
commit fcbb2ef227
8 changed files with 372 additions and 29 deletions
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39
test/zutil/ArrayUtilTest.java Normal file
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package zutil;
import org.junit.Test;
import java.util.Arrays;
import java.util.Collections;
import static org.junit.Assert.*;
public class ArrayUtilTest {
@Test
public void toIntArray() {
assertArrayEquals(new int[]{}, ArrayUtil.toIntArray(Collections.emptyList()));
assertArrayEquals(new int[]{1, 2, 3}, ArrayUtil.toIntArray(Arrays.asList(1, 2, 3)));
}
@Test
public void contains() {
assertFalse(ArrayUtil.contains(new Integer[]{}, 1));
assertTrue(ArrayUtil.contains(new Integer[]{1}, 1));
assertTrue(ArrayUtil.contains(new Integer[]{2, 1, 3}, 1));
}
@Test
public void combine() {
assertArrayEquals(new Integer[]{}, ArrayUtil.combine(new Integer[]{}, new Integer[]{}));
assertArrayEquals(new Integer[]{1, 2}, ArrayUtil.combine(new Integer[]{1, 2}, new Integer[]{}));
assertArrayEquals(new Integer[]{1, 2, 3, 4}, ArrayUtil.combine(new Integer[]{1, 2}, new Integer[]{3, 4}));
assertArrayEquals(new int[]{}, ArrayUtil.combine(new int[]{}, new int[]{}));
assertArrayEquals(new int[]{1, 2}, ArrayUtil.combine(new int[]{1, 2}, new int[]{}));
assertArrayEquals(new int[]{1, 2, 3, 4}, ArrayUtil.combine(new int[]{1, 2}, new int[]{3, 4}));
assertArrayEquals(new byte[]{}, ArrayUtil.combine(new byte[]{}, new byte[]{}));
assertArrayEquals(new byte[]{1, 2}, ArrayUtil.combine(new byte[]{1, 2}, new byte[]{}));
assertArrayEquals(new byte[]{1, 2, 3, 4}, ArrayUtil.combine(new byte[]{1, 2}, new byte[]{3, 4}));
}
}

96
test/zutil/parser/binary/serializer/TwoByteLengthPrefixedDataSerializerTest.java Normal file
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package zutil.parser.binary.serializer;
import org.junit.Test;
import zutil.ArrayUtil;
import zutil.ByteUtil;
import zutil.parser.binary.BinaryFieldData;
import zutil.parser.binary.BinaryStruct;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.StreamCorruptedException;
import java.nio.charset.StandardCharsets;
import java.util.Arrays;
import java.util.List;
import static org.junit.Assert.*;
public class TwoByteLengthPrefixedDataSerializerTest implements BinaryStruct {
@BinaryField(index = 10, length = 1)
private String tmpStringField;
@BinaryField(index = 20, length = 1)
private byte[] tmpByteField;
@Test(expected = StreamCorruptedException.class)
public void readPrematureEnd0() throws IOException {
TwoByteLengthPrefixedDataSerializer serializer = new TwoByteLengthPrefixedDataSerializer();
// 0 length stream
ByteArrayInputStream inputStream = new ByteArrayInputStream(new byte[0]);
serializer.read(inputStream, null, this);
}
@Test(expected = StreamCorruptedException.class)
public void readPrematureEnd1() throws IOException {
TwoByteLengthPrefixedDataSerializer serializer = new TwoByteLengthPrefixedDataSerializer();
// 1 length stream
ByteArrayInputStream inputStream = new ByteArrayInputStream(new byte[]{0x00});
serializer.read(inputStream, null, this);
}
@Test
public void read() throws IOException, NoSuchFieldException {
TwoByteLengthPrefixedDataSerializer serializer = new TwoByteLengthPrefixedDataSerializer();
List<BinaryFieldData> fieldDataList = BinaryFieldData.getStructFieldList(this.getClass());
BinaryFieldData stringFieldData = fieldDataList.get(0);
BinaryFieldData byteFieldData = fieldDataList.get(1);
// 0 Length
ByteArrayInputStream inputStream = new ByteArrayInputStream(new byte[]{0x00, 0x00});
assertEquals("", serializer.read(inputStream, stringFieldData, this));
inputStream.reset();
assertArrayEquals(new byte[0], (byte[])serializer.read(inputStream, byteFieldData, this));
// String "1234"
inputStream = new ByteArrayInputStream(ArrayUtil.combine(new byte[]{0x00, 0x04}, "1234".getBytes(StandardCharsets.UTF_8)));
assertEquals("1234", serializer.read(inputStream, stringFieldData, this));
inputStream.reset();
assertArrayEquals("1234".getBytes(StandardCharsets.UTF_8), (byte[])serializer.read(inputStream, byteFieldData, this));
}
@Test
public void write() throws IOException {
TwoByteLengthPrefixedDataSerializer serializer = new TwoByteLengthPrefixedDataSerializer();
List<BinaryFieldData> fieldDataList = BinaryFieldData.getStructFieldList(this.getClass());
BinaryFieldData stringFieldData = fieldDataList.get(0);
BinaryFieldData byteFieldData = fieldDataList.get(1);
ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
// 0 Length
outputStream.reset();outputStream.reset();
serializer.write(outputStream, null, stringFieldData, this);
assertArrayEquals(new byte[]{}, outputStream.toByteArray());
outputStream.reset();
serializer.write(outputStream, null, byteFieldData, this);
assertArrayEquals(new byte[]{}, outputStream.toByteArray());
// 0 Length
outputStream.reset();
serializer.write(outputStream, "", stringFieldData, this);
assertArrayEquals(new byte[]{0, 0}, outputStream.toByteArray());
outputStream.reset();
serializer.write(outputStream, new byte[0], byteFieldData, this);
assertArrayEquals(new byte[]{0, 0}, outputStream.toByteArray());
// String "1234"
outputStream.reset();
serializer.write(outputStream, "1234", stringFieldData, this);
assertArrayEquals(new byte[]{0, 4, 49, 50, 51, 52}, outputStream.toByteArray());
outputStream.reset();
serializer.write(outputStream, "1234".getBytes(StandardCharsets.UTF_8), byteFieldData, this);
assertArrayEquals(new byte[]{0, 4, 49, 50, 51, 52}, outputStream.toByteArray());
}
}