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2008-11-03T05:21:05Z

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<pre>
import java.util.Set;

import junit.framework.TestCase;

public class TestMultiMap extends TestCase {
MultiMap<String, String> mmap;

protected void setUp() {
mmap = new MultiMap<String, String>();
}

protected void setUp2() {
assertTrue(mmap.add("a", "one"));
assertTrue(mmap.add("a", "two"));
assertTrue(mmap.add("b", "two"));
assertTrue(mmap.add("b", "three"));
assertTrue(mmap.add("b", "four"));
assertTrue(mmap.add("c", "one"));
assertTrue(mmap.add("c", "three"));
assertTrue(mmap.add("d", "four"));
}

public void testEmpty() {
assertTrue(mmap.keySet().isEmpty());
assertTrue(mmap.valueSet().isEmpty());
Set<String> none = mmap.get("a");
assertTrue(none.isEmpty());
assertEquals("{}", mmap.toString());
}

public void testAdd() {
assertTrue(mmap.add("a", "one"));
assertTrue(mmap.add("a", "two"));
assertTrue(mmap.add("b", "two"));
assertFalse(mmap.add("a", "one"));
assertTrue(mmap.add("c", "one"));
assertFalse(mmap.add("b", "two"));

Set<String> keys = mmap.keySet();
assertEquals(3, keys.size());
assertTrue(keys.contains("a"));
assertTrue(keys.contains("b"));
assertTrue(keys.contains("c"));

Set<String> aValues = mmap.get("a");
assertEquals(2, aValues.size());
assertTrue(aValues.contains("one"));
assertTrue(aValues.contains("two"));

Set<String> bValues = mmap.get("b");
assertEquals(1, bValues.size());
assertTrue(bValues.contains("two"));

Set<String> cValues = mmap.get("c");
assertEquals(1, cValues.size());
assertTrue(cValues.contains("one"));
}

public void testValueSet() {
setUp2();

Set<String> values = mmap.valueSet();
assertEquals(4, values.size());
assertTrue(values.contains("one"));
assertTrue(values.contains("two"));
assertTrue(values.contains("three"));
assertTrue(values.contains("four"));
}

public void testRemove() {
setUp2();

assertTrue(mmap.remove("d", "four"));
assertFalse(mmap.remove("d", "four"));
assertTrue(mmap.remove("b", "four"));
assertTrue(mmap.remove("a", "two"));
assertFalse(mmap.remove("f", "one"));

Set<String> keys = mmap.keySet();
assertEquals(3, keys.size());
assertTrue(keys.contains("a"));
assertTrue(keys.contains("b"));
assertTrue(keys.contains("c"));
assertFalse(keys.contains("f"));

Set<String> aValues = mmap.get("a");
assertEquals(1, aValues.size());
assertTrue(aValues.contains("one"));
assertFalse(aValues.contains("two"));

Set<String> bValues = mmap.get("b");
assertEquals(2, bValues.size());
assertTrue(bValues.contains("two"));
assertTrue(bValues.contains("three"));
assertFalse(bValues.contains("four"));

Set<String> cValues = mmap.get("c");
assertEquals(2, cValues.size());
assertTrue(cValues.contains("one"));
assertTrue(bValues.contains("three"));

Set<String> values = mmap.valueSet();
assertEquals(3, values.size());
assertTrue(values.contains("one"));
assertTrue(values.contains("two"));
assertTrue(values.contains("three"));
assertFalse(values.contains("four"));
}
}
</pre>

SE251Ex:MultiMap TestMultiMap - Revision history

Mark: 2 revision(s)