| Clover coverage report - PLT Utilities Test Coverage (plt-20120304-r5436) |
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| Source file | Conditionals | Statements | Methods | TOTAL | |||||||||||||||
| EmptyCollection.java | 0% | 0% | 0% | 0% |
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| 1 | /*BEGIN_COPYRIGHT_BLOCK* | |
| 2 | ||
| 3 | PLT Utilities BSD License | |
| 4 | ||
| 5 | Copyright (c) 2007-2010 JavaPLT group at Rice University | |
| 6 | All rights reserved. | |
| 7 | ||
| 8 | Developed by: Java Programming Languages Team | |
| 9 | Rice University | |
| 10 | http://www.cs.rice.edu/~javaplt/ | |
| 11 | ||
| 12 | Redistribution and use in source and binary forms, with or without modification, are permitted | |
| 13 | provided that the following conditions are met: | |
| 14 | ||
| 15 | - Redistributions of source code must retain the above copyright notice, this list of conditions | |
| 16 | and the following disclaimer. | |
| 17 | - Redistributions in binary form must reproduce the above copyright notice, this list of | |
| 18 | conditions and the following disclaimer in the documentation and/or other materials provided | |
| 19 | with the distribution. | |
| 20 | - Neither the name of the JavaPLT group, Rice University, nor the names of the library's | |
| 21 | contributors may be used to endorse or promote products derived from this software without | |
| 22 | specific prior written permission. | |
| 23 | ||
| 24 | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR | |
| 25 | IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND | |
| 26 | FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS AND | |
| 27 | CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
| 28 | DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
| 29 | DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER | |
| 30 | IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT | |
| 31 | OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 32 | ||
| 33 | *END_COPYRIGHT_BLOCK*/ | |
| 34 | ||
| 35 | package edu.rice.cs.plt.collect; | |
| 36 | ||
| 37 | import java.util.Collection; | |
| 38 | import java.util.Iterator; | |
| 39 | import edu.rice.cs.plt.iter.EmptyIterator; | |
| 40 | import edu.rice.cs.plt.iter.SizedIterable; | |
| 41 | ||
| 42 | /** | |
| 43 | * Abstract parent class of immutable empty collections. Subclasses must implement | |
| 44 | * {@link #equals} and {@link #hashCode}. | |
| 45 | */ | |
| 46 | public abstract class EmptyCollection<T> implements Collection<T>, SizedIterable<T> { | |
| 47 | ||
| 48 | @Override public abstract boolean equals(Object o); | |
| 49 | @Override public abstract int hashCode(); | |
| 50 | ||
| 51 | 0 | public int size() { return 0; } |
| 52 | 0 | public int size(int bound) { return 0; } |
| 53 | 0 | public boolean isEmpty() { return true; } |
| 54 | 0 | public boolean isInfinite() { return false; } |
| 55 | 0 | public boolean hasFixedSize() { return true; } |
| 56 | 0 | public boolean isStatic() { return true; } |
| 57 | ||
| 58 | 0 | public boolean contains(Object o) { return false; } |
| 59 | 0 | public boolean containsAll(Collection<?> c) { return c.isEmpty(); } |
| 60 | ||
| 61 | 0 | public Iterator<T> iterator() { return EmptyIterator.make(); } |
| 62 | ||
| 63 | 0 | public Object[] toArray() { return new Object[0]; } |
| 64 | ||
| 65 | 0 | public <S> S[] toArray(S[] a) { |
| 66 | 0 | if (a.length > 0) { a[0] = null; } |
| 67 | 0 | return a; |
| 68 | } | |
| 69 | ||
| 70 | /** Returns {@code "[]"}. */ | |
| 71 | 0 | public String toString() { return "[]"; } |
| 72 | ||
| 73 | 0 | public boolean add(T o) { throw new UnsupportedOperationException(); } |
| 74 | 0 | public boolean addAll(Collection<? extends T> c) { throw new UnsupportedOperationException(); } |
| 75 | 0 | public boolean remove(Object o) { throw new UnsupportedOperationException(); } |
| 76 | 0 | public boolean removeAll(Collection<?> c) { throw new UnsupportedOperationException(); } |
| 77 | 0 | public boolean retainAll(Collection<?> c) { throw new UnsupportedOperationException(); } |
| 78 | 0 | public void clear() { throw new UnsupportedOperationException(); } |
| 79 | ||
| 80 | } |
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