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/*
* Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
/*
* @test
* @bug 6253413 8059361
* @summary Test for Properties.stringPropertyNames() if the system
* properties contain another list of properties as the defaults.
* @author Mandy Chung
*
* @run build StringPropertyNames
* @run main StringPropertyNames
*/
import java.util.Properties;
import java.util.Enumeration;
import java.util.Iterator;
import java.util.Set;
public class StringPropertyNames {
private static int NUM_SHARE_PROPS = 2;
private static int NUM_PROPS1 = 3;
private static int NUM_PROPS2 = 5;
private static String KEY = "good.property.";
private static String VALUE = "good.value.";
public static void main(String[] argv) throws Exception {
Properties props1 = new Properties();
Properties props2 = new Properties(props1);
// add several new properties
for (int i = 0; i < NUM_PROPS1; i++) {
props1.put(KEY + "1." + i, VALUE + "1." + i);
}
for (int i = 0; i < NUM_PROPS2; i++) {
props2.put(KEY + "2." + i, VALUE + "2." + i);
}
// add the same properties in both props1 and props2
for (int i = 0; i < NUM_SHARE_PROPS; i++) {
props1.put(KEY + i, VALUE + "1." + i);
props2.put(KEY + i, VALUE + "2." + i);
}
checkProperties(props1,
NUM_PROPS1 + NUM_SHARE_PROPS, // size of props1
NUM_PROPS1 + NUM_SHARE_PROPS, // num of string keys
NUM_PROPS1 + NUM_SHARE_PROPS, // num of keys in propertyName(),
false);
checkProperties(props2,
NUM_PROPS2 + NUM_SHARE_PROPS, // size of props2
NUM_PROPS1 + NUM_PROPS2 + NUM_SHARE_PROPS, // num of string keys
NUM_PROPS1 + NUM_PROPS2 + NUM_SHARE_PROPS, // num of keys in propertyName(),
false);
// Add non-String value
props1.put(KEY + "9", new Integer(4));
checkProperties(props1,
NUM_PROPS1 + NUM_SHARE_PROPS + 1, // size of props1
NUM_PROPS1 + NUM_SHARE_PROPS, // num of string keys
NUM_PROPS1 + NUM_SHARE_PROPS + 1, // num of keys in propertyName(),
false);
checkProperties(props2,
NUM_PROPS2 + NUM_SHARE_PROPS, // size of props2
NUM_PROPS1 + NUM_PROPS2 + NUM_SHARE_PROPS, // num of string keys
NUM_PROPS1 + NUM_PROPS2 + NUM_SHARE_PROPS + 1, // num of keys in propertyName(),
false);
Object v = props1.remove(KEY + "9");
if (v == null) {
throw new RuntimeException("Test Failed: " +
"Key " + KEY + "9" + " not found");
}
// Add a non-String key
props1.put(new Integer(5), "good.value.5");
props2.put(new Object(), new Object());
checkProperties(props1,
NUM_PROPS1 + NUM_SHARE_PROPS + 1, // size of props1
NUM_PROPS1 + NUM_SHARE_PROPS, // num of string keys
NUM_PROPS1 + NUM_SHARE_PROPS + 1, // num of keys in propertyName(),
true);
checkProperties(props2,
NUM_PROPS2 + NUM_SHARE_PROPS + 1, // size of props2
NUM_PROPS1 + NUM_PROPS2 + NUM_SHARE_PROPS, // num of string keys
NUM_PROPS1 + NUM_PROPS2 + NUM_SHARE_PROPS + 2, // num of keys in propertyName(),
true);
System.out.println("Test passed.");
}
private static void checkProperties(Properties props,
int propSize,
int numStringKeys,
int enumerateSize,
boolean hasNonStringKeys) {
// check the size of the properties
if (props.size() != propSize) {
throw new RuntimeException("Test Failed: " +
"Expected number of properties = " +
propSize + " but found = " + props.size());
}
// check the number of properties whose key and value
// are both strings
Set<String> keys = props.stringPropertyNames();
if (keys.size() != numStringKeys) {
throw new RuntimeException("Test Failed: " +
"Expected number of String keys = " +
numStringKeys + " but found = " + keys.size());
}
boolean cceThrown = false;
try {
// check the number of properties whose key are strings
// but its value can be anything in the current impl
int count = 0;
Enumeration<?> e = props.propertyNames();
for (;e.hasMoreElements(); e.nextElement()) {
count++;
}
if (count != enumerateSize) {
throw new RuntimeException("Test Failed: " +
"Expected number of enumerated keys = " +
enumerateSize + " but found = " + count);
}
} catch (ClassCastException e) {
if (!hasNonStringKeys) {
RuntimeException re = new RuntimeException("Test Failed: " +
"ClassCastException is expected not to be thrown");
re.initCause(e);
throw re;
}
cceThrown = true;
}
if ((hasNonStringKeys && !cceThrown)) {
throw new RuntimeException("Test Failed: " +
"ClassCastException is expected to be thrown");
}
// make sure the set cannot be modified
try {
keys.add("xyzzy");
throw new RuntimeException("Test Failed: " +
"add() should have thrown UnsupportedOperationException");
} catch (UnsupportedOperationException ignore) { }
Iterator<String> it = keys.iterator();
if (it.hasNext()) {
try {
keys.remove(it.next());
throw new RuntimeException("Test Failed: " +
"remove() should have thrown UnsupportedOperationException");
} catch (UnsupportedOperationException ignore) { }
}
}
}
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