public void testNode5() throws BackingStoreException {
Preferences child = pref.node("a");
child.put("key", "value");
child.flush();
assertNotNull(storage.toFolder());
assertNull(storage.toPropertiesFile());
}
public void testChildrenNames() throws Exception {
Preferences subnode = pref.node("c1");
subnode.put("k", "v");
subnode.flush();
subnode = pref.node("c2");
subnode.put("k", "v");
subnode.flush();
subnode = pref.node("c3/c4");
subnode.put("k", "v");
subnode.flush();
assertEquals(
new TreeSet<String>(Arrays.asList("c1", "c2", "c3")),
new TreeSet<String>(Arrays.asList(storage.childrenNames())));
pref.node("c2").removeNode();
assertEquals(
new TreeSet<String>(Arrays.asList("c1", "c3")),
new TreeSet<String>(Arrays.asList(storage.childrenNames())));
pref.node("c3").removeNode();
assertEquals(
Collections.singleton("c1"), new TreeSet<String>(Arrays.asList(storage.childrenNames())));
pref.node("c1").removeNode();
assertEquals(
Collections.emptySet(), new TreeSet<String>(Arrays.asList(storage.childrenNames())));
}
public void testRemoveParentNode() throws BackingStoreException {
assertNull(storage.toFolder());
assertNull(storage.toPropertiesFile());
Preferences subnode = pref.node("subnode");
assertNull(storage.toFolder());
assertNull(storage.toPropertiesFile());
subnode.put("key", "value");
subnode.flush();
assertNotNull(storage.toFolder());
assertNull(storage.toPropertiesFile());
subnode.removeNode();
pref.flush();
assertNull(storage.toPropertiesFile());
assertNull(storage.toFolder());
assertFalse(storage.existsNode());
}
public static void main(String[] args) throws Exception {
String osName = System.getProperty("os.name");
if (osName.startsWith("Windows")) return;
Preferences root = Preferences.userRoot();
Preferences node1 = root.node("node1");
Preferences node1A = node1.node("node1A");
Preferences node1B = node1.node("node1B");
node1B.put("mykey", "myvalue");
node1.flush();
String node1BDirName = System.getProperty("user.home") + "/.java/.userPrefs" + "/node1/node1B";
File node1BDir = new File(node1BDirName);
node1BDir.setReadOnly();
try {
node1.removeNode();
} catch (BackingStoreException ex) {
// expected exception
} finally {
Runtime.getRuntime().exec("chmod 755 " + node1BDirName).waitFor();
try {
node1.removeNode();
} catch (Exception e) {
}
}
}