| // Copyright 2006 The Apache Software Foundation |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| package org.apache.tapestry5.internal.util; |
| |
| import org.testng.Assert; |
| import org.testng.annotations.Test; |
| |
| import java.util.Iterator; |
| |
| public class IntegerRangeTest extends Assert |
| { |
| @Test |
| public void start_less_than_finish() |
| { |
| IntegerRange r = new IntegerRange(1, 3); |
| |
| assertEquals(r.toString(), "1..3"); |
| |
| assertEquals(r.getStart(), 1); |
| assertEquals(r.getFinish(), 3); |
| |
| Iterator<Integer> i = r.iterator(); |
| |
| assertEquals(i.next().intValue(), 1); |
| assertEquals(i.next().intValue(), 2); |
| |
| assertTrue(i.hasNext()); |
| |
| assertEquals(i.next().intValue(), 3); |
| |
| assertFalse(i.hasNext()); |
| |
| try |
| { |
| i.next(); |
| unreachable(); |
| } |
| catch (IllegalStateException ex) |
| { |
| } |
| } |
| |
| @Test |
| public void start_same_as_finish() |
| { |
| IntegerRange r = new IntegerRange(3, 3); |
| |
| Iterator<Integer> i = r.iterator(); |
| |
| assertTrue(i.hasNext()); |
| |
| assertEquals(i.next().intValue(), 3); |
| |
| assertFalse(i.hasNext()); |
| } |
| |
| @Test |
| public void finish_less_than_start() |
| { |
| IntegerRange r = new IntegerRange(3, 1); |
| |
| assertEquals(r.toString(), "3..1"); |
| |
| Iterator<Integer> i = r.iterator(); |
| |
| assertEquals(i.next().intValue(), 3); |
| assertEquals(i.next().intValue(), 2); |
| |
| assertTrue(i.hasNext()); |
| |
| assertEquals(i.next().intValue(), 1); |
| |
| assertFalse(i.hasNext()); |
| |
| try |
| { |
| i.next(); |
| unreachable(); |
| } |
| catch (IllegalStateException ex) |
| { |
| } |
| } |
| |
| @Test |
| public void hash_code_and_equals() |
| { |
| IntegerRange r1 = new IntegerRange(1, 100); |
| IntegerRange r2 = new IntegerRange(1, 100); |
| IntegerRange r3 = new IntegerRange(1, 10); |
| |
| assertEquals(r1.hashCode(), r2.hashCode()); |
| assertFalse(r1.hashCode() == r3.hashCode()); |
| |
| assertTrue(r1.equals(r1)); |
| assertEquals(r1, r2); |
| |
| assertFalse(r1.equals(r3)); |
| assertFalse(r1.equals(this)); |
| assertFalse(r1.equals(null)); |
| assertFalse(r1.equals(new IntegerRange(3, 30))); |
| } |
| |
| @Test |
| public void iterator_remove_not_supported() |
| { |
| IntegerRange r = new IntegerRange(1, 3); |
| |
| Iterator<Integer> i = r.iterator(); |
| |
| assertEquals(i.next(), new Integer(1)); |
| |
| try |
| { |
| i.remove(); |
| unreachable(); |
| } |
| catch (UnsupportedOperationException ex) |
| { |
| // Expected, ignored. |
| } |
| |
| assertEquals(i.next(), new Integer(2)); |
| } |
| |
| private final void unreachable() |
| { |
| throw new AssertionError("This code should be unreachable."); |
| } |
| } |