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// ASM: a very small and fast Java bytecode manipulation framework
// Copyright (c) 2000-2011 INRIA, France Telecom
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions
// are met:
// 1. Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// 2. 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.
// 3. Neither the name of the copyright holders 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 org.objectweb.asm.signature;
import static org.junit.jupiter.api.Assertions.assertEquals;
import java.util.stream.IntStream;
import org.junit.jupiter.params.ParameterizedTest;
import org.junit.jupiter.params.provider.MethodSource;
import org.objectweb.asm.test.AsmTest;
/**
* SignatureWriter tests.
*
* @author Eric Bruneton
*/
class SignatureWriterTest extends AsmTest {
@ParameterizedTest
@MethodSource({
"org.objectweb.asm.signature.SignaturesProviders#classSignatures",
"org.objectweb.asm.signature.SignaturesProviders#methodSignatures"
})
void testReadAndWrite_classOrMethodSignature(final String signature) {
SignatureWriter signatureWriter = new SignatureWriter();
new SignatureReader(signature).accept(signatureWriter);
assertEquals(signature, signatureWriter.toString());
}
@ParameterizedTest
@MethodSource("org.objectweb.asm.signature.SignaturesProviders#fieldSignatures")
void testReadAndWrite_fieldSignature(final String signature) {
SignatureWriter signatureWriter = new SignatureWriter();
new SignatureReader(signature).acceptType(signatureWriter);
assertEquals(signature, signatureWriter.toString());
}
static IntStream deepSignatures() {
return IntStream.range(0, 48);
}
@ParameterizedTest
@MethodSource("deepSignatures")
void testWrite_deepSignature(final int depth) {
SignatureWriter signatureWriter = new SignatureWriter();
String expected = writeDeepSignature(signatureWriter, depth);
assertEquals(expected, signatureWriter.toString(), "depth=" + depth);
}
private String writeDeepSignature(final SignatureVisitor signatureVisitor, final int maxDepth) {
StringBuilder expected = new StringBuilder();
writeDeepSignatureInner(signatureVisitor, expected, 0, maxDepth);
return expected.toString();
}
private void writeDeepSignatureInner(
final SignatureVisitor signatureVisitor,
final StringBuilder expected,
final int currentDepth,
final int maxDepth) {
signatureVisitor.visitClassType(TEST_GENERIC);
expected.append('L' + TEST_GENERIC);
if (currentDepth < maxDepth) {
expected.append("<L" + TEST_OPEN + ';');
SignatureVisitor v = signatureVisitor.visitTypeArgument('=');
v.visitClassType(TEST_OPEN);
v.visitEnd();
writeDeepSignatureInner(signatureVisitor.visitTypeArgument('='), expected, currentDepth + 1, maxDepth);
v = signatureVisitor.visitTypeArgument('=');
v.visitClassType(TEST_CLOSE);
v.visitEnd();
expected.append('L' + TEST_CLOSE + ";>");
}
signatureVisitor.visitEnd();
expected.append(';');
}
private static final String TEST_OPEN = "TestOpen";
private static final String TEST_GENERIC = "TestGeneric";
private static final String TEST_CLOSE = "TestClose";
}
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