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// Copyright 2021 Code Intelligence GmbH
//
// 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.
package com.code_intelligence.jazzer.autofuzz;
import static org.junit.Assert.assertArrayEquals;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
import com.code_intelligence.jazzer.api.CannedFuzzedDataProvider;
import com.code_intelligence.jazzer.api.FuzzedDataProvider;
import java.io.ByteArrayInputStream;
import java.lang.reflect.Constructor;
import java.lang.reflect.Executable;
import java.lang.reflect.Method;
import java.lang.reflect.Type;
import java.util.List;
class TestHelpers {
static void assertGeneralEquals(Object expected, Object actual) {
Class<?> type = expected != null ? expected.getClass() : Object.class;
if (type.isArray()) {
if (type.getComponentType() == boolean.class) {
assertArrayEquals((boolean[]) expected, (boolean[]) actual);
} else if (type.getComponentType() == char.class) {
assertArrayEquals((char[]) expected, (char[]) actual);
} else if (type.getComponentType() == short.class) {
assertArrayEquals((short[]) expected, (short[]) actual);
} else if (type.getComponentType() == long.class) {
assertArrayEquals((long[]) expected, (long[]) actual);
} else {
assertArrayEquals((Object[]) expected, (Object[]) actual);
}
} else if (type == ByteArrayInputStream.class) {
ByteArrayInputStream expectedStream = (ByteArrayInputStream) expected;
ByteArrayInputStream actualStream = (ByteArrayInputStream) actual;
assertArrayEquals(readAllBytes(expectedStream), readAllBytes(actualStream));
} else {
assertEquals(expected, actual);
}
}
static void consumeTestCase(
Object expectedResult, String expectedResultString, List<Object> cannedData) {
Class<?> type = expectedResult != null ? expectedResult.getClass() : Object.class;
consumeTestCase(type, expectedResult, expectedResultString, cannedData);
}
static void consumeTestCase(
Type type, Object expectedResult, String expectedResultString, List<Object> cannedData) {
AutofuzzCodegenVisitor visitor = new AutofuzzCodegenVisitor();
FuzzedDataProvider data = CannedFuzzedDataProvider.create(cannedData);
assertGeneralEquals(expectedResult, Meta.consume(data, type, visitor));
assertEquals(expectedResultString, visitor.generate());
}
static void autofuzzTestCase(Object expectedResult, String expectedResultString, Executable func,
List<Object> cannedData) {
AutofuzzCodegenVisitor visitor = new AutofuzzCodegenVisitor();
FuzzedDataProvider data = CannedFuzzedDataProvider.create(cannedData);
if (func instanceof Method) {
assertGeneralEquals(expectedResult, Meta.autofuzz(data, (Method) func, visitor));
} else {
assertGeneralEquals(expectedResult, Meta.autofuzz(data, (Constructor<?>) func, visitor));
}
assertEquals(expectedResultString, visitor.generate());
}
private static byte[] readAllBytes(ByteArrayInputStream in) {
byte[] result = new byte[in.available()];
in.read(result, 0, in.available());
return result;
}
}
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