Package org.apache.commons.collections

Examples of org.apache.commons.collections.Buffer

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    }

    //----------------------------------------------------------------------- 
    public void testBufferEmpty() {
        resetEmpty();
        Buffer buffer = (Buffer) collection;

        assertEquals(0, buffer.size());
        assertEquals(true, buffer.isEmpty());
        try {
            buffer.get();
            fail();
        } catch (BufferUnderflowException ex) {}

        try {
            buffer.remove();
            fail();
        } catch (BufferUnderflowException ex) {}
    }
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    public Collection makeCollection() {
        return SynchronizedBuffer.decorate(new UnboundedFifoBuffer());
    }
   
    public Collection makeFullCollection() {
        Buffer buffer = new UnboundedFifoBuffer();
        buffer.addAll(Arrays.asList(getFullElements()));
        return SynchronizedBuffer.decorate(buffer);
    }
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    public Buffer makeTestBuffer() {
        return decorateBuffer(new ArrayStack(), testPredicate);
    }
   
    public void testGet() {
        Buffer buffer = makeTestBuffer();
        try {
            Object o = buffer.get();
            fail("Expecting BufferUnderflowException");
        } catch (BufferUnderflowException ex) {
            // expected
        }
        buffer.add("one");
        buffer.add("two");
        buffer.add("three");
        assertEquals("Buffer get", buffer.get(), "three");
    }
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        buffer.add("three");
        assertEquals("Buffer get", buffer.get(), "three");
    }
   
    public void testRemove() {
        Buffer buffer = makeTestBuffer();
        buffer.add("one");
        assertEquals("Buffer get", buffer.remove(), "one");
        try {
            buffer.remove();
            fail("Expecting BufferUnderflowException");
        } catch (BufferUnderflowException ex) {
            // expected
        }     
    }
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        String[] testCaseName = { TestTransformedBuffer.class.getName()};
        junit.textui.TestRunner.main(testCaseName);
    }

    public void testTransformedBuffer() {
        Buffer buffer = TransformedBuffer.decorate(new ArrayStack(), TestTransformedCollection.STRING_TO_INTEGER_TRANSFORMER);
        assertEquals(0, buffer.size());
        Object[] els = new Object[] {"1", "3", "5", "7", "2", "4", "6"};
        for (int i = 0; i < els.length; i++) {
            buffer.add(els[i]);
            assertEquals(i + 1, buffer.size());
            assertEquals(true, buffer.contains(new Integer((String) els[i])));
            assertEquals(false, buffer.contains(els[i]));
        }
       
        assertEquals(false, buffer.remove(els[0]));
        assertEquals(true, buffer.remove(new Integer((String) els[0])));
       
    }
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    public Collection makeCollection() {
        return UnmodifiableBuffer.decorate(new UnboundedFifoBuffer());
    }
   
    public Collection makeFullCollection() {
        Buffer buffer = new UnboundedFifoBuffer();
        buffer.addAll(Arrays.asList(getFullElements()));
        return UnmodifiableBuffer.decorate(buffer);
    }
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        return false;
    }
   
    public void testBufferRemove() {
        resetEmpty();
        Buffer buffer = (Buffer) collection;
        try {
            buffer.remove();
            fail();
        } catch (UnsupportedOperationException ex) {}
    }
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        return BoundedBuffer.decorate(new UnboundedFifoBuffer(), 1);
    }

    //-----------------------------------------------------------------------
    public void testMaxSize() {
        final Buffer bounded = BoundedBuffer.decorate(new UnboundedFifoBuffer(), 2, 500);
        BoundedCollection bc = (BoundedCollection) bounded;
        assertEquals(2, bc.maxSize());
        assertEquals(false, bc.isFull());
        bounded.add("A");
        assertEquals(false, bc.isFull());
        bounded.add("B");
        assertEquals(true, bc.isFull());
        bounded.remove();
        assertEquals(false, bc.isFull());
        try {
            BoundedBuffer.decorate(new UnboundedFifoBuffer(), 0);
            fail();
        } catch (IllegalArgumentException ex) {}
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            fail();
        } catch (IllegalArgumentException ex) {}
    }

    public void testAddToFullBufferNoTimeout() {
        final Buffer bounded = BoundedBuffer.decorate(new UnboundedFifoBuffer(), 1);
        bounded.add( "Hello" );
        try {
            bounded.add("World");
            fail();
        } catch (BufferOverflowException e) {
        }
    }
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        } catch (BufferOverflowException e) {
        }
    }

    public void testAddAllToFullBufferNoTimeout() {
        final Buffer bounded = BoundedBuffer.decorate(new UnboundedFifoBuffer(), 1);
        bounded.add( "Hello" );
        try {
            bounded.addAll(Collections.singleton("World"));
            fail();
        } catch (BufferOverflowException e) {
        }
    }
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