a6cc4a7ff3
Added a JUnit test for the new Trie that fails at present since the Trie is case-insensitive. Running JUnit tests is not something our build system knows about at present, but Eclipse 2.0 makes it very easy. Fixed a few compiler errors due to imports I'd forgotten.
81 lines
2 KiB
Java
81 lines
2 KiB
Java
package org.thdl.util;
|
|
|
|
import junit.framework.TestCase;
|
|
|
|
/**
|
|
* @author David Chandler
|
|
*
|
|
* Tests {@link org.thdl.util.Trie} at the unit level.
|
|
*/
|
|
public class TrieTest extends TestCase {
|
|
|
|
/**
|
|
* Constructor for TrieTest.
|
|
* @param arg0
|
|
*/
|
|
public TrieTest(String arg0) {
|
|
super(arg0);
|
|
}
|
|
|
|
public static void main(String[] args) {
|
|
junit.textui.TestRunner.run(TrieTest.class);
|
|
}
|
|
|
|
/**
|
|
* Tests that the trie distinguishes between uppercase and
|
|
* lowercase. */
|
|
public void testCaseSupport() {
|
|
Trie t = new Trie();
|
|
t.put("S", "S value");
|
|
assertTrue(t.get("S").equals("S value"));
|
|
assertTrue(null == t.get("s"));
|
|
t.put("Sh", "Sh value");
|
|
assertTrue(t.get("Sh").equals("Sh value"));
|
|
assertTrue(t.get("S").equals("S value"));
|
|
assertTrue(null == t.get("s"));
|
|
assertTrue(null == t.get("sh"));
|
|
assertTrue(null == t.get("SH"));
|
|
assertTrue(null == t.get("sH"));
|
|
}
|
|
|
|
/**
|
|
* Test for put(String, Object)
|
|
*/
|
|
public void testReplacement() {
|
|
Trie t = new Trie();
|
|
t.put("S", "S value 1");
|
|
assertTrue(t.get("S").equals("S value 1"));
|
|
t.put("S", "S value 2");
|
|
assertTrue(t.get("S").equals("S value 2"));
|
|
}
|
|
|
|
/**
|
|
* Tests that put(*, null) throws a NullPointerException.
|
|
*/
|
|
public void testPuttingNull() {
|
|
Trie t = new Trie();
|
|
boolean threw = false;
|
|
try {
|
|
t.put("heya", null);
|
|
} catch (NullPointerException e) {
|
|
threw = true;
|
|
}
|
|
assertTrue(threw);
|
|
}
|
|
|
|
/**
|
|
* Test for put(String, Object)
|
|
*/
|
|
public void testPrefix() {
|
|
Trie t = new Trie();
|
|
t.put("t", "t value");
|
|
t.put("ts", "ts value");
|
|
t.put("tsh", "tsh value");
|
|
assertTrue(t.get("t").equals("t value"));
|
|
assertTrue(t.get("ts").equals("ts value"));
|
|
assertTrue(t.get("tsh").equals("tsh value"));
|
|
assertTrue(t.hasPrefix("t"));
|
|
assertTrue(t.hasPrefix("ts"));
|
|
assertTrue(!t.hasPrefix("tsh"));
|
|
}
|
|
}
|