AdaLObjectReader3Fuzzer.java
// Copyright 2022 Google LLC
//
// 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.
//
////////////////////////////////////////////////////////////////////////////////
import com.code_intelligence.jazzer.api.FuzzedDataProvider;
import java.util.*;
import java.util.regex.Pattern;
import java.io.Reader;
import java.io.StringReader;
import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.io.FileOutputStream;
import java.nio.charset.Charset;
import java.nio.file.Files;
import java.nio.file.Paths;
import java.io.File;
import java.io.InputStream;
import java.io.DataInput;
import java.io.EOFException;
import java.lang.IllegalArgumentException;
import java.net.URI;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.ObjectReader;
import com.fasterxml.jackson.databind.DeserializationConfig;
import com.fasterxml.jackson.databind.DeserializationFeature;
import com.fasterxml.jackson.databind.MapperFeature;
import com.fasterxml.jackson.databind.SerializationFeature;
import com.fasterxml.jackson.core.JsonParser;
import com.fasterxml.jackson.core.JsonParser.Feature;
import com.fasterxml.jackson.core.JsonFactory;
import com.fasterxml.jackson.core.TreeNode;
import com.fasterxml.jackson.core.filter.TokenFilter;
import com.fasterxml.jackson.databind.json.JsonMapper;
import com.fasterxml.jackson.databind.node.ObjectNode;
import com.fasterxml.jackson.databind.JsonNode;
import java.lang.ClassCastException;
import com.fasterxml.jackson.core.json.JsonReadFeature;
// For NoCheckSubTypeValidator
import com.fasterxml.jackson.databind.JavaType;
import com.fasterxml.jackson.databind.cfg.MapperConfig;
import com.fasterxml.jackson.databind.jsontype.PolymorphicTypeValidator;
public class AdaLObjectReader3Fuzzer {
public static void fuzzerTestOneInput(FuzzedDataProvider data) {
boolean doThis;
byte[] fileData;
int fuzzInt1, fuzzInt2;
FileOutputStream out;
Object o;
Reader stringR;
ObjectReader r, r2, r3;
JsonParser jp;
MapperFeature[] mapperfeatures = new MapperFeature[]{MapperFeature.AUTO_DETECT_CREATORS,
MapperFeature.AUTO_DETECT_FIELDS,
MapperFeature.AUTO_DETECT_GETTERS,
MapperFeature.AUTO_DETECT_IS_GETTERS,
MapperFeature.AUTO_DETECT_SETTERS,
MapperFeature.REQUIRE_SETTERS_FOR_GETTERS,
MapperFeature.USE_GETTERS_AS_SETTERS,
MapperFeature.INFER_CREATOR_FROM_CONSTRUCTOR_PROPERTIES,
MapperFeature.INFER_PROPERTY_MUTATORS,
MapperFeature.ALLOW_FINAL_FIELDS_AS_MUTATORS,
MapperFeature.ALLOW_VOID_VALUED_PROPERTIES,
MapperFeature.CAN_OVERRIDE_ACCESS_MODIFIERS,
MapperFeature.OVERRIDE_PUBLIC_ACCESS_MODIFIERS,
MapperFeature.SORT_PROPERTIES_ALPHABETICALLY,
MapperFeature.USE_WRAPPER_NAME_AS_PROPERTY_NAME,
MapperFeature.ACCEPT_CASE_INSENSITIVE_ENUMS,
MapperFeature.ACCEPT_CASE_INSENSITIVE_ENUMS,
MapperFeature.ACCEPT_CASE_INSENSITIVE_PROPERTIES,
MapperFeature.ACCEPT_CASE_INSENSITIVE_VALUES,
MapperFeature.ALLOW_EXPLICIT_PROPERTY_RENAMING,
MapperFeature.USE_STD_BEAN_NAMING,
MapperFeature.ALLOW_COERCION_OF_SCALARS,
MapperFeature.DEFAULT_VIEW_INCLUSION,
MapperFeature.IGNORE_DUPLICATE_MODULE_REGISTRATIONS,
MapperFeature.IGNORE_MERGE_FOR_UNMERGEABLE,
MapperFeature.USE_BASE_TYPE_AS_DEFAULT_IMPL,
MapperFeature.USE_STATIC_TYPING,
MapperFeature.BLOCK_UNSAFE_POLYMORPHIC_BASE_TYPES};
SerializationFeature[] serializationfeatures = new SerializationFeature[]{SerializationFeature.INDENT_OUTPUT,
SerializationFeature.CLOSE_CLOSEABLE,
SerializationFeature.WRAP_ROOT_VALUE,
SerializationFeature.WRITE_DATE_KEYS_AS_TIMESTAMPS,
SerializationFeature.WRITE_CHAR_ARRAYS_AS_JSON_ARRAYS,
SerializationFeature.WRITE_ENUMS_USING_TO_STRING,
SerializationFeature.WRITE_ENUMS_USING_INDEX,
SerializationFeature.WRITE_SINGLE_ELEM_ARRAYS_UNWRAPPED,
SerializationFeature.WRITE_BIGDECIMAL_AS_PLAIN,
SerializationFeature.ORDER_MAP_ENTRIES_BY_KEYS,
SerializationFeature.USE_EQUALITY_FOR_OBJECT_ID,
SerializationFeature.FAIL_ON_EMPTY_BEANS,
SerializationFeature.WRAP_EXCEPTIONS,
SerializationFeature.FLUSH_AFTER_WRITE_VALUE,
SerializationFeature.WRITE_DATES_AS_TIMESTAMPS,
SerializationFeature.WRITE_NULL_MAP_VALUES,
SerializationFeature.WRITE_EMPTY_JSON_ARRAYS,
SerializationFeature.WRITE_DATE_TIMESTAMPS_AS_NANOSECONDS,
SerializationFeature.EAGER_SERIALIZER_FETCH};
DeserializationFeature[] deserializationfeatures = new DeserializationFeature[]{DeserializationFeature.USE_BIG_DECIMAL_FOR_FLOATS,
DeserializationFeature.USE_BIG_INTEGER_FOR_INTS,
DeserializationFeature.USE_JAVA_ARRAY_FOR_JSON_ARRAY,
DeserializationFeature.READ_ENUMS_USING_TO_STRING,
DeserializationFeature.ACCEPT_SINGLE_VALUE_AS_ARRAY,
DeserializationFeature.UNWRAP_ROOT_VALUE,
DeserializationFeature.UNWRAP_SINGLE_VALUE_ARRAYS,
DeserializationFeature.ACCEPT_EMPTY_ARRAY_AS_NULL_OBJECT,
DeserializationFeature.ACCEPT_EMPTY_STRING_AS_NULL_OBJECT,
DeserializationFeature.ACCEPT_FLOAT_AS_INT,
DeserializationFeature.ADJUST_DATES_TO_CONTEXT_TIME_ZONE,
DeserializationFeature.READ_DATE_TIMESTAMPS_AS_NANOSECONDS,
DeserializationFeature.READ_UNKNOWN_ENUM_VALUES_AS_NULL,
DeserializationFeature.READ_UNKNOWN_ENUM_VALUES_USING_DEFAULT_VALUE,
DeserializationFeature.FAIL_ON_IGNORED_PROPERTIES,
DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES,
DeserializationFeature.FAIL_ON_INVALID_SUBTYPE,
DeserializationFeature.FAIL_ON_NULL_FOR_PRIMITIVES,
DeserializationFeature.FAIL_ON_NUMBERS_FOR_ENUMS,
DeserializationFeature.FAIL_ON_READING_DUP_TREE_KEY,
DeserializationFeature.FAIL_ON_UNRESOLVED_OBJECT_IDS,
DeserializationFeature.FAIL_ON_MISSING_CREATOR_PROPERTIES,
DeserializationFeature.WRAP_EXCEPTIONS,
DeserializationFeature.FAIL_ON_TRAILING_TOKENS,
DeserializationFeature.EAGER_DESERIALIZER_FETCH};
ObjectMapper.DefaultTyping[] typings = new ObjectMapper.DefaultTyping[]{ObjectMapper.DefaultTyping.JAVA_LANG_OBJECT,
ObjectMapper.DefaultTyping.OBJECT_AND_NON_CONCRETE,
ObjectMapper.DefaultTyping.NON_CONCRETE_AND_ARRAYS,
ObjectMapper.DefaultTyping.NON_FINAL,
ObjectMapper.DefaultTyping.EVERYTHING};
JsonReadFeature[] rfeatures = new JsonReadFeature[]{JsonReadFeature.ALLOW_JAVA_COMMENTS,
JsonReadFeature.ALLOW_YAML_COMMENTS,
JsonReadFeature.ALLOW_SINGLE_QUOTES,
JsonReadFeature.ALLOW_UNQUOTED_FIELD_NAMES,
JsonReadFeature.ALLOW_UNESCAPED_CONTROL_CHARS,
JsonReadFeature.ALLOW_LEADING_ZEROS_FOR_NUMBERS,
JsonReadFeature.ALLOW_LEADING_PLUS_SIGN_FOR_NUMBERS,
JsonReadFeature.ALLOW_LEADING_DECIMAL_POINT_FOR_NUMBERS,
JsonReadFeature.ALLOW_TRAILING_DECIMAL_POINT_FOR_NUMBERS,
JsonReadFeature.ALLOW_NON_NUMERIC_NUMBERS,
JsonReadFeature.ALLOW_MISSING_VALUES,
JsonReadFeature.ALLOW_TRAILING_COMMA};
Feature[] jpFeatures = new Feature[]{
Feature.AUTO_CLOSE_SOURCE,
Feature.ALLOW_COMMENTS,
Feature.ALLOW_YAML_COMMENTS,
Feature.ALLOW_UNQUOTED_FIELD_NAMES,
Feature.ALLOW_SINGLE_QUOTES,
Feature.ALLOW_UNQUOTED_CONTROL_CHARS,
Feature.ALLOW_BACKSLASH_ESCAPING_ANY_CHARACTER,
Feature.ALLOW_NUMERIC_LEADING_ZEROS,
Feature.ALLOW_LEADING_PLUS_SIGN_FOR_NUMBERS,
Feature.ALLOW_LEADING_DECIMAL_POINT_FOR_NUMBERS,
Feature.ALLOW_TRAILING_DECIMAL_POINT_FOR_NUMBERS,
Feature.ALLOW_NON_NUMERIC_NUMBERS,
Feature.ALLOW_MISSING_VALUES,
Feature.ALLOW_TRAILING_COMMA,
Feature.STRICT_DUPLICATE_DETECTION,
Feature.IGNORE_UNDEFINED,
Feature.INCLUDE_SOURCE_IN_LOCATION,
Feature.USE_FAST_DOUBLE_PARSER,
};
ObjectMapper mapper = new ObjectMapper();
// Maybe create a mapper with different typing settings. Let the fuzzer decide
if (data.consumeBoolean()) {
JsonMapper.Builder b = JsonMapper.builder();
for (int i = 0; i < typings.length; i++) {
if (data.consumeBoolean()) {
b.activateDefaultTyping(NoCheckSubTypeValidator.instance, typings[i]);
}
}
mapper = b.build();
}
if (data.consumeBoolean()) {
for (int i = 0; i < jpFeatures.length; i++) {
if (data.consumeBoolean()) {
mapper.enable(new Feature[]{jpFeatures[i]});
} else {
mapper.disable(new Feature[]{jpFeatures[i]});
}
}
}
if(data.consumeBoolean()){
for (int i = 0; i < mapperfeatures.length; i++) {
if (data.consumeBoolean()) {
mapper.enable(mapperfeatures[i]);
} else {
mapper.disable(mapperfeatures[i]);
}
}
} else {
for (int i = 0; i < mapperfeatures.length; i++) {
mapper.configure(mapperfeatures[i], data.consumeBoolean());
}
}
for (int i = 0; i < serializationfeatures.length; i++) {
if (data.consumeBoolean()) {
mapper.enable(serializationfeatures[i]);
} else {
mapper.disable(serializationfeatures[i]);
}
}
if (data.consumeBoolean()) {
DeserializationConfig config = mapper.getDeserializationConfig();
for (int i = 0; i < rfeatures.length; i++) {
if (data.consumeBoolean()) {
config = config.with(rfeatures[i]);
} else {
config = config.without(rfeatures[i]);
}
}
mapper.setConfig(config);
}
int idx = data.consumeInt(0, classes.length - 1);
r = mapper.readerFor(classes[idx]); // To initialize
switch (data.consumeInt(0, 4)) {
case 0:
r = mapper.readerFor(classes[idx]);
case 1:
r = mapper.readerForMapOf(classes[idx]);
case 2:
r = mapper.readerForListOf(classes[idx]);
case 3:
r = mapper.readerForArrayOf(classes[idx]);
case 4:
fuzzInt1 = data.consumeInt(0, classes.length - 1);
r = r.forType(mapper.constructType(classes[fuzzInt1]));
}
// set reader settings
for (int i = 0; i < deserializationfeatures.length; i++) {
if (data.consumeBoolean()) {
r = r.with(deserializationfeatures[i]);
} else {
r = r.without(deserializationfeatures[i]);
}
}
try {
// Select a method and call it
int callType = data.consumeInt();
switch (callType%7) {
case 0:
// readValue
switch (data.consumeInt(0, 14)){
case 0:
r.readValue(data.consumeString(100000));
case 1:
r.readValue(new MockFuzzDataInput(data.consumeString(100000)));
case 2:
r.readValue(data.consumeBytes(100000));
case 3:
jp = _createParser(data, mapper, r);
o = r.readValue(jp);
doThis = data.consumeBoolean();
if (doThis) {
r3 = r.withValueToUpdate(o);
mapper.valueToTree(o);
}
case 4:
jp = _createParser(data, mapper, r);
fuzzInt1 = data.consumeInt(0, classes.length - 1);
r.readValue(jp, mapper.constructType(classes[fuzzInt1]));
case 5:
jp = _createParser(data, mapper, r);
fuzzInt1 = data.consumeInt(0, classes.length - 1);
r.readValue(jp, classes[fuzzInt1]);
case 6:
stringR = new StringReader(new String(data.consumeBytes(100000)));
r.readValue(stringR);
case 7:
fileData = data.consumeRemainingAsBytes();
out = new FileOutputStream("fuzzFile");
out.write(fileData);
out.close();
r.readValue(new File("fuzzFile"));
case 8:
fuzzInt1 = data.consumeInt();
fuzzInt2 = data.consumeInt();
r.readValue(data.consumeBytes(100000), fuzzInt1, fuzzInt2);
case 9:
fuzzInt1 = data.consumeInt(0, classes.length - 1);
r.readValue(data.consumeBytes(100000), classes[idx]);
case 10:
fuzzInt1 = data.consumeInt(0, classes.length - 1);
r.readValue(data.consumeString(100000), classes[idx]);
case 11:
fuzzInt1 = data.consumeInt(0, classes.length - 1);
mapper.readValue(data.consumeBytes(1000000), data.consumeInt(), data.consumeInt(), classes[fuzzInt1]);
case 12:
fuzzInt1 = data.consumeInt(0, classes.length - 1);
mapper.readValue(data.consumeBytes(1000000), mapper.constructType(classes[fuzzInt1]));
case 13:
fuzzInt1 = data.consumeInt(0, classes.length - 1);
mapper.readValue(data.consumeString(1000000), mapper.constructType(classes[fuzzInt1]));
case 14:
r.readValue(new ByteArrayInputStream(data.consumeBytes(100000)));
}
case 1:
// readTree
switch (data.consumeInt(0, 7)){
case 0:
jp = _createParser(data, mapper, r);
o = r.readTree(jp);
if (data.consumeBoolean()) {
r3 = r.withValueToUpdate(o);
mapper.valueToTree(o);
mapper.readerForUpdating(o);
}
case 1:
o = r.readTree(data.consumeString(100000));
if (data.consumeBoolean()) {
r3 = r.withValueToUpdate(o);
mapper.valueToTree(o);
mapper.readerForUpdating(o);
}
case 2:
o = r.readTree(data.consumeBytes(100000));
if (data.consumeBoolean()) {
r3 = r.withValueToUpdate(o);
mapper.valueToTree(o);
mapper.readerForUpdating(o);
}
case 3:
stringR = new StringReader(new String(data.consumeRemainingAsBytes()));
r.readTree(stringR);
case 4:
fuzzInt1 = data.consumeInt();
fuzzInt2 = data.consumeInt();
r.readTree(data.consumeRemainingAsBytes(), fuzzInt1, fuzzInt2);
case 5:
mapper.readTree(data.consumeBytes(1000000));
case 6:
mapper.readTree(data.consumeString(1000000));
case 7:
fuzzInt1 = data.consumeInt(0, classes.length - 1);
switch (data.consumeInt(0,1)) {
case 0:
r.readValue(data.consumeRemainingAsBytes(), classes[fuzzInt1]);
case 1:
r.readValue(data.consumeRemainingAsString(), classes[fuzzInt1]);
}
}
case 2:
_readValues(data, mapper, r);
case 3:
fuzzInt1 = data.consumeInt(0, classes.length - 1);
fuzzInt2 = data.consumeInt(0, classes.length - 1);
mapper.addMixIn(classes[fuzzInt1], classes[fuzzInt2]);
case 4:
JsonNode tree = mapper.readTree(data.consumeString(1000000));
JsonNode node = tree.at(data.consumeString(1000000));
doThis = data.consumeBoolean();
if (doThis) {
fuzzInt1 = data.consumeInt(0, classes.length - 1);
mapper.treeToValue(node, classes[fuzzInt1]);
}
doThis = data.consumeBoolean();
if (doThis) {
fuzzInt1 = data.consumeInt(0, classes.length - 1);
mapper.treeToValue(node, mapper.constructType(classes[fuzzInt1]));
}
doThis = data.consumeBoolean();
if (doThis) {
r.readValue(node);
}
doThis = data.consumeBoolean();
fuzzInt1 = data.consumeInt(0, classes.length - 1);
if (doThis) {
r.readValue(node, classes[fuzzInt1]);
}
case 5:
switch (data.consumeInt(0, 2)){
case 0:
mapper.readTree(new ByteArrayInputStream(data.consumeBytes(100000)));
case 1:
ObjectNode src = (ObjectNode) mapper.readTree(data.consumeString(100000));
TreeNode tn = src;
fuzzInt1 = data.consumeInt(0, classes.length - 1);
mapper.treeToValue(tn, classes[fuzzInt1]);
case 2:
r.readTree(new MockFuzzDataInput(data.consumeString(100000)));
}
case 6:
fuzzInt1 = data.consumeInt(0, classes.length - 1);
mapper.canSerialize(classes[fuzzInt1]);
}
// target with();
if (data.consumeBoolean()) {
JsonFactory jf = new JsonFactory();
r2 = r.with(jf);
}
} catch (IOException | IllegalArgumentException | ClassCastException e) { }
try {
Files.delete(Paths.get("fuzzFile"));
} catch (IOException e) { }
}
public static void _readValues(FuzzedDataProvider data, ObjectMapper mapper, ObjectReader r) throws IOException {
Object o;
ObjectReader r3;
int fuzzInt1, fuzzInt2;
JsonParser jp;
byte[] fileData;
FileOutputStream out;
Reader stringR;
// readValues
switch (data.consumeInt(0, 8)){
case 0:
stringR = new StringReader(new String(data.consumeRemainingAsBytes()));
o = r.readValues(stringR);
case 1:
o = r.readValues(data.consumeRemainingAsString());
case 2:
jp = _createParser(data, mapper, r);
o = r.readValues(jp);
case 3:
fileData = data.consumeRemainingAsBytes();
out = new FileOutputStream("fuzzFile");
out.write(fileData);
out.close();
o = r.readValues(new File("fuzzFile"));
case 4:
fuzzInt1 = data.consumeInt();
fuzzInt2 = data.consumeInt();
o = r.readValues(data.consumeBytes(1000000), fuzzInt1, fuzzInt2);
case 5:
fuzzInt1 = data.consumeInt(0, classes.length - 1);
jp = _createParser(data, mapper, r);
o = mapper.readValues(jp, mapper.constructType(classes[fuzzInt1]));
case 6:
fuzzInt1 = data.consumeInt(0, classes.length - 1);
jp = _createParser(data, mapper, r);
o = mapper.readValues(jp, classes[fuzzInt1]);
case 7:
o = r.readValues(new MockFuzzDataInput(data.consumeString(1000000)));
case 8:
o = r.readValues(new ByteArrayInputStream(data.consumeBytes(100000)));
default:
o = r.readValues(data.consumeRemainingAsString()); // To avoid "variable o might not have been initialized"
}
if (data.consumeBoolean()) {
r3 = r.withValueToUpdate(o);
mapper.valueToTree(o);
mapper.readerForUpdating(o);
}
}
public static JsonParser _createParser(FuzzedDataProvider data, ObjectMapper mapper, ObjectReader r) throws IOException {
int fuzzInt1, fuzzInt2;
byte[] fileData;
switch (data.consumeInt(0, 6)) {
case 0:
return r.createParser(data.consumeBytes(100000));
case 1:
fileData = data.consumeBytes(100000);
FileOutputStream out = new FileOutputStream("fuzzFile");
out.write(fileData);
out.close();
return r.createParser(new File("fuzzFile"));
case 2:
fuzzInt1 = data.consumeInt();
fuzzInt2 = data.consumeInt();
return r.createParser(data.consumeBytes(100000), fuzzInt1, fuzzInt2);
case 3:
mapper.createParser(data.consumeBytes(100000));
case 4:
return mapper.createParser(data.consumeString(1000000));
case 5:
fuzzInt1 = data.consumeInt();
fuzzInt2 = data.consumeInt();
return mapper.createParser(data.consumeBytes(100000), fuzzInt1, fuzzInt2);
case 6:
return r.createParser(new ByteArrayInputStream(data.consumeBytes(100000)));
}
return r.createParser(data.consumeBytes(100000));
}
public static Class[] classes = { DummyClass.class, Integer.class, String.class, Byte.class, List.class, Map.class,
TreeMap.class, BitSet.class, TimeZone.class, Date.class, Calendar.class, Locale.class, Long.class };
public static class DummyClass {
public TreeMap<String, Integer> _treeMap;
public List<String> _arrayList;
public Set<String> _hashSet;
public Map<String, Object> _hashMap;
public List<Integer> _asList = Arrays.asList(1, 2, 3);
public int[] _intArray;
public long[] _longArray;
public short[] _shortArray;
public float[] _floatArray;
public double[] _doubleArray;
public byte[] _byteArray;
public char[] _charArray;
public String[] _stringArray;
public BitSet _bitSet;
public Date _date;
public TimeZone _timeZone;
public Calendar _calendar;
public Locale _locale;
public Integer[] _integerArray;
public boolean _boolean;
public char _char;
public byte _byte;
public short _short;
public int _int;
public float _float;
public Long _long;
public Double _double;
}
// Test util classes
public static final class NoCheckSubTypeValidator
extends PolymorphicTypeValidator.Base
{
private static final long serialVersionUID = 1L;
protected final static Set<String> DEFAULT_NO_DESER_CLASS_NAMES;
static {
Set<String> s = new HashSet<String>();
s.add("jaz.Zer");
DEFAULT_NO_DESER_CLASS_NAMES = Collections.unmodifiableSet(s);
}
protected Set<String> _cfgIllegalClassNames = DEFAULT_NO_DESER_CLASS_NAMES;
public static final NoCheckSubTypeValidator instance = new NoCheckSubTypeValidator();
@Override
public Validity validateBaseType(MapperConfig<?> config, JavaType baseType) {
return Validity.INDETERMINATE;
}
@Override
public Validity validateSubClassName(MapperConfig<?> config,
JavaType baseType, String subClassName) {
if (_cfgIllegalClassNames.contains(subClassName)) {
return Validity.DENIED;
}
return Validity.ALLOWED;
}
@Override
public Validity validateSubType(MapperConfig<?> config, JavaType baseType,
JavaType subType) {
final Class<?> raw = baseType.getRawClass();
String full = raw.getName();
if (_cfgIllegalClassNames.contains(full)) {
return Validity.DENIED;
}
return Validity.ALLOWED;
}
}
public static class MockFuzzDataInput implements DataInput
{
private final InputStream _input;
public MockFuzzDataInput(byte[] data) {
_input = new ByteArrayInputStream(data);
}
public MockFuzzDataInput(String utf8Data) throws IOException {
_input = new ByteArrayInputStream(utf8Data.getBytes("UTF-8"));
}
public MockFuzzDataInput(InputStream in) {
_input = in;
}
@Override
public void readFully(byte[] b) throws IOException {
throw new UnsupportedOperationException();
}
@Override
public void readFully(byte[] b, int off, int len) throws IOException {
throw new UnsupportedOperationException();
}
@Override
public int skipBytes(int n) throws IOException {
return (int) _input.skip(n);
}
@Override
public boolean readBoolean() throws IOException {
throw new UnsupportedOperationException();
}
@Override
public byte readByte() throws IOException {
int ch = _input.read();
if (ch < 0) {
throw new EOFException("End-of-input for readByte()");
}
return (byte) ch;
}
@Override
public int readUnsignedByte() throws IOException {
return readByte() & 0xFF;
}
@Override
public short readShort() throws IOException {
throw new UnsupportedOperationException();
}
@Override
public int readUnsignedShort() throws IOException {
throw new UnsupportedOperationException();
}
@Override
public char readChar() throws IOException {
throw new UnsupportedOperationException();
}
@Override
public int readInt() throws IOException {
throw new UnsupportedOperationException();
}
@Override
public long readLong() throws IOException {
throw new UnsupportedOperationException();
}
@Override
public float readFloat() throws IOException {
throw new UnsupportedOperationException();
}
@Override
public double readDouble() throws IOException {
throw new UnsupportedOperationException();
}
@Override
public String readLine() throws IOException {
throw new UnsupportedOperationException();
}
@Override
public String readUTF() throws IOException {
throw new UnsupportedOperationException();
}
}
}