@Test
public void contains() {
ImmutableBag<String> bag = this.newBag();
for (int i = 1; i <= this.numKeys(); i++) {
String key = String.valueOf(i);
Assert.assertTrue(bag.contains(key));
Assert.assertEquals(i, bag.occurrencesOf(key));
}
String missingKey = "0";
Assert.assertFalse(bag.contains(missingKey));
Assert.assertEquals(0, bag.occurrencesOf(missingKey));
}
@Test
public void newWithoutAll() {
ImmutableBag<String> bag = this.newBag();
ImmutableBag<String> withoutAll = bag.newWithoutAll(UnifiedSet.newSet(this.newBag()));
Assert.assertEquals(Bags.immutable.of(), withoutAll);
ImmutableBag<String> newBag =
bag.newWithAll(Lists.fixedSize.of("0", "0", "0")).newWithoutAll(Lists.fixedSize.of("0"));
Assert.assertEquals(0, newBag.occurrencesOf("0"));
}
private void groupByAssertions(ImmutableBagMultimap<Boolean, String> multimap) {
Verify.assertIterableEmpty(multimap.get(null));
ImmutableBag<String> odds = multimap.get(true);
ImmutableBag<String> evens = multimap.get(false);
for (int i = 1; i <= this.numKeys(); i++) {
String key = String.valueOf(i);
ImmutableBag<String> containingBag = IntegerPredicates.isOdd().accept(i) ? odds : evens;
ImmutableBag<String> nonContainingBag = IntegerPredicates.isOdd().accept(i) ? evens : odds;
Assert.assertTrue(containingBag.contains(key));
Assert.assertFalse(nonContainingBag.contains(key));
Assert.assertEquals(i, containingBag.occurrencesOf(key));
}
}
