@Test
public void testConcurrentModification() {
OpenIntToFieldHashMap<Fraction> map = createFromJavaMap(field);
OpenIntToFieldHashMap<Fraction>.Iterator iterator = map.iterator();
map.put(3, new Fraction(3));
try {
iterator.advance();
Assert.fail("an exception should have been thrown");
} catch (ConcurrentModificationException cme) {
// expected
}
}
@Test
public void testIterator() {
OpenIntToFieldHashMap<Fraction> map = createFromJavaMap(field);
OpenIntToFieldHashMap<Fraction>.Iterator iterator = map.iterator();
for (int i = 0; i < map.size(); ++i) {
Assert.assertTrue(iterator.hasNext());
iterator.advance();
int key = iterator.key();
Assert.assertTrue(map.containsKey(key));
Assert.assertEquals(javaMap.get(key), map.get(key));
Assert.assertEquals(javaMap.get(key), iterator.value());
Assert.assertTrue(javaMap.containsKey(key));
}
Assert.assertFalse(iterator.hasNext());
try {
iterator.advance();
Assert.fail("an exception should have been thrown");
} catch (NoSuchElementException nsee) {
// expected
}
}
