ModifiersPatternTestCase.java
/* *******************************************************************
* Copyright (c) 2002 Palo Alto Research Center, Incorporated (PARC).
* All rights reserved.
* This program and the accompanying materials are made available
* under the terms of the Eclipse Public License v 2.0
* which accompanies this distribution and is available at
* https://www.eclipse.org/org/documents/epl-2.0/EPL-2.0.txt
*
* Contributors:
* PARC initial implementation
* ******************************************************************/
package org.aspectj.weaver.patterns;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.lang.reflect.Modifier;
import org.aspectj.weaver.CompressingDataOutputStream;
import org.aspectj.weaver.VersionedDataInputStream;
import org.aspectj.weaver.World;
import org.aspectj.weaver.reflect.ReflectionWorld;
public class ModifiersPatternTestCase extends PatternsTestCase {
public void testMatch() {
int[] publicMatches = new int[] { Modifier.PUBLIC, Modifier.PUBLIC | Modifier.STATIC,
Modifier.PUBLIC | Modifier.STATIC | Modifier.STRICT | Modifier.FINAL, };
int[] publicFailures = new int[] { Modifier.PRIVATE, 0, Modifier.STATIC | Modifier.STRICT | Modifier.FINAL, };
int[] publicStaticMatches = new int[] { Modifier.PUBLIC | Modifier.STATIC,
Modifier.PUBLIC | Modifier.STATIC | Modifier.FINAL | Modifier.STRICT, };
int[] publicStaticFailures = new int[] { 0, Modifier.PUBLIC, Modifier.STATIC, };
int[] trickMatches = new int[] { Modifier.PRIVATE, Modifier.PRIVATE | Modifier.ABSTRACT, Modifier.PRIVATE | Modifier.FINAL, };
int[] trickFailures = new int[] { Modifier.PUBLIC, Modifier.PRIVATE | Modifier.STATIC, Modifier.PRIVATE | Modifier.STRICT, };
int[] none = new int[0];
checkMatch("", publicMatches, none);
checkMatch("", publicFailures, none);
checkMatch("!public", publicFailures, publicMatches);
checkMatch("public", publicMatches, publicFailures);
checkMatch("public static", none, publicFailures);
checkMatch("public static", publicStaticMatches, publicStaticFailures);
checkMatch("private !static !strictfp", trickMatches, trickFailures);
checkMatch("private !static !strictfp", none, publicMatches);
checkMatch("private !static !strictfp", none, publicStaticMatches);
}
private ModifiersPattern makeModifiersPattern(String pattern) {
return new PatternParser(pattern).parseModifiersPattern();
}
private void checkMatch(String pattern, int[] shouldMatch, int[] shouldFail) {
ModifiersPattern p = makeModifiersPattern(pattern);
checkMatch(p, shouldMatch, true);
checkMatch(p, shouldFail, false);
}
private void checkMatch(ModifiersPattern p, int[] matches, boolean shouldMatch) {
for (int match : matches) {
boolean result = p.matches(match);
String msg = "matches " + p + " to " + Modifier.toString(match) + " expected ";
if (shouldMatch) {
assertTrue(msg + shouldMatch, result);
} else {
assertTrue(msg + shouldMatch, !result);
}
}
}
public void testSerialization() throws IOException {
String[] patterns = new String[] { "", "!public", "public", "public static", "private !static !strictfp", };
for (String pattern : patterns) {
checkSerialization(pattern);
}
}
/**
* Method checkSerialization.
*
* @param string
*/
private void checkSerialization(String string) throws IOException {
ModifiersPattern p = makeModifiersPattern(string);
ByteArrayOutputStream bo = new ByteArrayOutputStream();
ConstantPoolSimulator cps = new ConstantPoolSimulator();
CompressingDataOutputStream out = new CompressingDataOutputStream(bo, cps);
p.write(out);
out.close();
ByteArrayInputStream bi = new ByteArrayInputStream(bo.toByteArray());
VersionedDataInputStream in = new VersionedDataInputStream(bi, cps);
ModifiersPattern newP = ModifiersPattern.read(in);
assertEquals("write/read", p, newP);
}
public World getWorld() {
return new ReflectionWorld(true, this.getClass().getClassLoader());
}
}