// $Id: TestBasic.java,v 1.1.1.1 2002/12/20 16:40:27 john Exp $
/*
* Copyright 1998-2009 University Corporation for Atmospheric Research/Unidata
*
* Portions of this software were developed by the Unidata Program at the
* University Corporation for Atmospheric Research.
*
* Access and use of this software shall impose the following obligations
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* any fee or cost, to use, copy, modify, alter, enhance and distribute
* this software, and any derivative works thereof, and its supporting
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* software or in any product that includes this software. The names UCAR
* and/or Unidata, however, may not be used in any advertising or publicity
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*
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package ucar.util.prefs;
import org.junit.Before;
import org.junit.Test;
import ucar.nc2.util.Misc;
import java.io.*;
import java.util.prefs.BackingStoreException;
import java.util.prefs.Preferences;
public class TestJavaUtilPreferences {
// only works if System.setProperty called before anything else
@Before
public void testWho() {
System.setProperty("java.util.prefs.PreferencesFactory", "ucar.util.prefs.PreferencesExtFactory");
// this makes PreferencesExt the SPI
Preferences userRoot = Preferences.userRoot();
assert userRoot instanceof PreferencesExt : "Factory not set = " +
userRoot.getClass().getName() + " Property: " + System.getProperty("java.util.prefs.PreferencesFactory");
}
@Test
public void testPutGet() {
try {
Preferences userRoot = Preferences.userRoot();
assert userRoot instanceof PreferencesExt : "Factory not set = " + userRoot.getClass().getName();
userRoot.putDouble("testD", 3.14157);
double d = userRoot.getDouble("testD", 0.0);
assert Misc.closeEnough(d, 3.14157) : "double failed";
userRoot.putFloat("testF", 1.23456F);
float f = userRoot.getFloat("testF", 0.0F);
assert Misc.closeEnough(f, 1.23456F) : "float failed";
userRoot.putLong("testL", 12345678900L);
long ll = userRoot.getLong("testL", 0);
assert ll == 12345678900L : "long failed";
userRoot.putInt("testI", 123456789);
int ii = userRoot.getInt("testI", 0);
assert ii == 123456789 : "int failed";
userRoot.put("testS", "youdBeDeadbyNow");
String s = userRoot.get("testS", "");
assert s.equals("youdBeDeadbyNow") : "String failed";
userRoot.putBoolean("testB", true);
boolean b = userRoot.getBoolean("testB", false);
assert b : "boolean failed";
byte[] barr = new byte[3];
byte[] barr2 = new byte[3];
barr[0] = 1;
barr[1] = 2;
barr[2] = 3;
userRoot.putByteArray("testBA", barr);
byte[] ba = userRoot.getByteArray("testBA", barr2);
for (int i = 0; i < 3; i++)
assert ba[i] == barr[i] : "BA failed";
} catch (Exception e) {
e.printStackTrace();
}
}
@Test
public void testSubnode() {
try {
Preferences userRoot = Preferences.userRoot();
Preferences subNode = userRoot.node("SemperUbi");
assert subNode instanceof PreferencesExt : "Factory not set = " + userRoot.getClass().getName();
String[] keys = userRoot.keys();
for (String key : keys) {
String value = userRoot.get(key, "failed");
subNode.put(key, value);
}
float f = subNode.getFloat("testF", 0.0F);
assert Misc.closeEnough(f, 1.23456F) : "float failed";
long ll = subNode.getLong("testL", 0);
assert ll == 12345678900L : "long failed";
int ii = subNode.getInt("testI", 0);
assert ii == 123456789 : "int failed";
String s = subNode.get("testS", "");
assert s.equals("youdBeDeadbyNow") : "String failed";
boolean b = subNode.getBoolean("testB", false);
assert b : "boolean failed";
byte[] barr = new byte[3];
byte[] barr2 = new byte[3];
barr[0] = 1;
barr[1] = 2;
barr[2] = 3;
byte[] ba = subNode.getByteArray("testBA", barr2);
for (int i = 0; i < 3; i++)
assert ba[i] == barr[i] : "BA failed";
} catch (Exception e) {
e.printStackTrace();
}
}
// @Test
public void testExport() {
Preferences userRoot = Preferences.userRoot();
Preferences fromNode = userRoot.node("SemperUbi");
assert fromNode instanceof PreferencesExt : "Factory not set = " + userRoot.getClass().getName();
try {
ByteArrayOutputStream os = new ByteArrayOutputStream(10000);
fromNode.exportNode(os);
String xml = new String(os.toByteArray());
xml = substitute(xml, "SemperUbi", "SubUbi");
ByteArrayInputStream is = new ByteArrayInputStream(xml.getBytes());
Preferences.importPreferences(is);
userRoot.exportSubtree(System.out);
} catch (Exception e) {
e.printStackTrace();
}
}
@Test
public void testRemove() {
Preferences userRoot = Preferences.userRoot();
Preferences subNode = userRoot.node("SemperUbi");
assert subNode instanceof PreferencesExt : "Factory not set = " + userRoot.getClass().getName();
long ll;
subNode.putLong("testL", 12345678900L);
ll = subNode.getLong("testL", 0);
assert ll == 12345678900L : "long failed 2";
subNode.remove("testL");
ll = subNode.getLong("testL", 0);
assert ll == 0 : "remove failed";
}
@Test
public void testRemoveNode() throws BackingStoreException {
Preferences userRoot = Preferences.userRoot();
Preferences subNode = userRoot.node("SemperUbi");
Preferences newNode = subNode.node("SubSemperUbi");
assert newNode instanceof PreferencesExt : "Factory not set = " + userRoot.getClass().getName();
newNode.putLong("testL", 12345678900L);
long ll = subNode.getLong("testL", 0);
assert ll == 0 : "testRemoveNode failed";
newNode.removeNode();
String[] kidName = subNode.childrenNames();
//System.out.println(" # children= "+kidName.length);
for (String aKidName : kidName) {
//System.out.println(" "+kidName[i]);
assert !aKidName.equals("SubSemperUbi") : "testRemoveNode failed 1";
}
newNode = subNode.node("SubSemperUbi");
ll = newNode.getLong("testL", 123L);
assert ll == 123 : "testRemoveNode failed 2 " + ll;
}
/**
* Find all occurences of the "match" in original, and substitute the "subst" string
*
* @param original: starting string
* @param match: string to match
* @param subst: string to substitute
* @return a new string with substitutions
*/
String substitute(String original, String match, String subst) {
String s = original;
int pos;
while (0 <= (pos = s.indexOf(match))) {
StringBuilder sb = new StringBuilder(s);
s = sb.replace(pos, pos + match.length(), subst).toString();
}
return s;
}
}