/*
* Copyright (C) 2008 The Android Open Source Project
*
* 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 org.apache.harmony.regex.tests.java.util.regex;
import java.io.ObjectStreamClass;
import java.io.Serializable;
import java.util.regex.Pattern;
import java.util.regex.PatternSyntaxException;
import junit.framework.TestCase;
import org.apache.harmony.testframework.serialization.SerializationTest;
import org.apache.harmony.testframework.serialization.SerializationTest.SerializableAssert;
public class PatternSyntaxExceptionTest extends TestCase {
public void testPatternSyntaxException() {
// Normal case
PatternSyntaxException e = new PatternSyntaxException("Foo", "Bar", 0);
assertEquals("Foo", e.getDescription());
assertEquals("Bar", e.getPattern());
assertEquals(0, e.getIndex());
String s = e.getMessage();
assertTrue(s.contains("Foo"));
assertTrue(s.contains("Bar"));
assertTrue(s.contains("0"));
// No description specified
e = new PatternSyntaxException(null, "Bar", 0);
assertEquals(null, e.getDescription());
assertEquals("Bar", e.getPattern());
assertEquals(0, e.getIndex());
s = e.getMessage();
assertFalse(s.contains("Foo"));
assertTrue(s.contains("Bar"));
assertTrue(s.contains("0"));
// No pattern specified
e = new PatternSyntaxException("Foo", null, 0);
assertEquals("Foo", e.getDescription());
assertEquals(null, e.getPattern());
assertEquals(0, e.getIndex());
s = e.getMessage();
assertTrue(s.contains("Foo"));
assertFalse(s.contains("Bar"));
assertTrue(s.contains("0"));
// Neither description nor pattern specified
e = new PatternSyntaxException(null, null, 0);
assertEquals(null, e.getDescription());
assertEquals(null, e.getPattern());
assertEquals(0, e.getIndex());
s = e.getMessage();
assertFalse(s.contains("Foo"));
assertFalse(s.contains("Bar"));
assertTrue(s.contains("0"));
// No index specified
e = new PatternSyntaxException("Foo", "Bar", -1);
assertEquals(-1, e.getIndex());
s = e.getMessage();
assertFalse(s.contains("^"));
// No pattern, but index specified
e = new PatternSyntaxException("Foo", null, 0);
assertEquals(0, e.getIndex());
s = e.getMessage();
assertFalse(s.contains("^"));
}
public void testCase() {
String regex = "(";
try {
Pattern.compile(regex);
fail("PatternSyntaxException expected");
} catch (PatternSyntaxException e) {
assertEquals(1, e.getIndex());
assertEquals(regex, e.getPattern());
}
}
public void testCase2() {
String regex = "[4-";
try {
Pattern.compile(regex);
fail("PatternSyntaxException expected");
} catch (PatternSyntaxException e) {
assertEquals(3, e.getIndex());
assertEquals(regex, e.getPattern());
}
}
// Regression test for HARMONY-3787
public void test_objectStreamField() {
ObjectStreamClass objectStreamClass = ObjectStreamClass.lookup(PatternSyntaxException.class);
assertNotNull(objectStreamClass.getField("desc"));
}
public void testSerializationCompatibility() throws Exception {
PatternSyntaxException object = new PatternSyntaxException("TESTDESC", "TESTREGEX", 3);
SerializationTest.verifyGolden(this, object, PATTERNSYNTAXEXCEPTION_COMPARATOR);
}
public void testSerializationSelf() throws Exception {
PatternSyntaxException object = new PatternSyntaxException("TESTDESC", "TESTREGEX", 3);
SerializationTest.verifySelf(object, PATTERNSYNTAXEXCEPTION_COMPARATOR);
}
private static final SerializableAssert PATTERNSYNTAXEXCEPTION_COMPARATOR = new SerializableAssert() {
public void assertDeserialized(Serializable initial, Serializable deserialized) {
// do common checks for all throwable objects
SerializationTest.THROWABLE_COMPARATOR.assertDeserialized(initial, deserialized);
PatternSyntaxException initPatternSyntaxException = (PatternSyntaxException) initial;
PatternSyntaxException dserPatternSyntaxException = (PatternSyntaxException) deserialized;
// verify fields
assertEquals(initPatternSyntaxException.getDescription(),
dserPatternSyntaxException.getDescription());
assertEquals(initPatternSyntaxException.getPattern(),
dserPatternSyntaxException.getPattern());
assertEquals(initPatternSyntaxException.getIndex(),
dserPatternSyntaxException.getIndex());
}
};
}