Package org.apache.commons.collections.bag

Examples of org.apache.commons.collections.bag.HashBag


            // expected
       
    }
   
    public void testUnmodifiableBag() {
        Bag bag = BagUtils.unmodifiableBag(new HashBag());
        assertTrue("Returned object should be an UnmodifiableBag.",
            bag instanceof UnmodifiableBag);
        try {
            bag = BagUtils.unmodifiableBag(null);
            fail("Expecting IllegalArgumentException for null bag.");
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            // expected
       
    }
   
    public void testPredicatedBag() {
        Bag bag = BagUtils.predicatedBag(new HashBag(), truePredicate);
        assertTrue("Returned object should be a PredicatedBag.",
            bag instanceof PredicatedBag);
        try {
            bag = BagUtils.predicatedBag(null,truePredicate);
            fail("Expecting IllegalArgumentException for null bag.");
        } catch (IllegalArgumentException ex) {
            // expected
        }
        try {
            bag = BagUtils.predicatedBag(new HashBag(), null);
            fail("Expecting IllegalArgumentException for null predicate.");
        } catch (IllegalArgumentException ex) {
            // expected
       
    }
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            // expected
       
    }
   
    public void testTypedBag() {
        Bag bag = BagUtils.typedBag(new HashBag(), stringClass);     
        assertTrue("Returned object should be a TypedBag.",
            bag instanceof PredicatedBag);
        try {
            bag = BagUtils.typedBag(null, stringClass);
            fail("Expecting IllegalArgumentException for null bag.");
        } catch (IllegalArgumentException ex) {
            // expected
        }
        try {
            bag = BagUtils.typedBag(new HashBag(), null);
            fail("Expecting IllegalArgumentException for null type.");
        } catch (IllegalArgumentException ex) {
            // expected
       
    }
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            // expected
       
    }
   
     public void testTransformedBag() {
        Bag bag = BagUtils.transformedBag(new HashBag(), nopTransformer);     
        assertTrue("Returned object should be an TransformedBag.",
            bag instanceof TransformedBag);
        try {
            bag = BagUtils.transformedBag(null, nopTransformer);     
            fail("Expecting IllegalArgumentException for null bag.");
        } catch (IllegalArgumentException ex) {
            // expected
        }
        try {
            bag = BagUtils.transformedBag(new HashBag(), null)
            fail("Expecting IllegalArgumentException for null transformer.");
        } catch (IllegalArgumentException ex) {
            // expected
       
    }
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