Reusable assertions for arrays of objects. @author Alex Ruiz @author Joel Costigliola @author Nicolas François @author Mikhail Mazursky
| 32 | * @author Mikhail Mazursky |
| 33 | */ |
| 34 | public class ObjectArrays { |
| 35 | |
| 36 | private static final ObjectArrays INSTANCE = new ObjectArrays(); |
| 37 | |
| 38 | /** |
| 39 | * Returns the singleton instance of this class. |
| 40 | * |
| 41 | * @return the singleton instance of this class. |
| 42 | */ |
| 43 | public static ObjectArrays instance() { |
| 44 | return INSTANCE; |
| 45 | } |
| 46 | |
| 47 | private Arrays arrays = Arrays.instance(); |
| 48 | |
| 49 | @VisibleForTesting |
| 50 | ObjectArrays() { |
| 51 | this(StandardComparisonStrategy.instance()); |
| 52 | } |
| 53 | |
| 54 | public ObjectArrays(ComparisonStrategy comparisonStrategy) { |
| 55 | this.arrays = new Arrays(comparisonStrategy); |
| 56 | } |
| 57 | |
| 58 | @VisibleForTesting |
| 59 | public Comparator<?> getComparator() { |
| 60 | return arrays.getComparator(); |
| 61 | } |
| 62 | |
| 63 | @VisibleForTesting |
| 64 | Failures failures = Failures.instance(); |
| 65 | |
| 66 | @VisibleForTesting |
| 67 | Conditions conditions = Conditions.instance(); |
| 68 | |
| 69 | /** |
| 70 | * Asserts that the given array is {@code null} or empty. |
| 71 | * |
| 72 | * @param info contains information about the assertion. |
| 73 | * @param actual the given array. |
| 74 | * @throws AssertionError if the given array is not {@code null} *and* contains one or more elements. |
| 75 | */ |
| 76 | public void assertNullOrEmpty(AssertionInfo info, Object[] actual) { |
| 77 | arrays.assertNullOrEmpty(info, failures, actual); |
| 78 | } |
| 79 | |
| 80 | /** |
| 81 | * Asserts that the given array is empty. |
| 82 | * |
| 83 | * @param info contains information about the assertion. |
| 84 | * @param actual the given array. |
| 85 | * @throws AssertionError if the given array is {@code null}. |
| 86 | * @throws AssertionError if the given array is not empty. |
| 87 | */ |
| 88 | public void assertEmpty(AssertionInfo info, Object[] actual) { |
| 89 | arrays.assertEmpty(info, failures, actual); |
| 90 | } |
| 91 |