| /* |
| * Copyright 2000-2013 JetBrains s.r.o. |
| * |
| * 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 com.jetbrains.python.toolbox; |
| |
| import junit.framework.TestCase; |
| |
| import java.util.ArrayList; |
| import java.util.Arrays; |
| import java.util.List; |
| |
| /** |
| * Tests all iterators and iterables. |
| * User: dcheryasov |
| * Date: Nov 20, 2009 3:42:51 AM |
| */ |
| public class IteratorsTest extends TestCase { |
| |
| public IteratorsTest() { |
| super(); |
| } |
| |
| public void testRepeatIterable() { |
| String value = "foo"; |
| RepeatIterable<String> tested = new RepeatIterable<String>(value); |
| int count = 0; |
| int times = 10; |
| for (String what : tested) { |
| assertEquals(value, what); |
| count += 1; |
| if (count >= times) break; |
| } |
| assertEquals(times, count); |
| } |
| |
| public void testChainIterableByLists() { |
| List<String> list1 = Arrays.asList("foo", "bar", "baz"); |
| List<String> list2 = Arrays.asList("ichi", "ni", "san"); |
| List<String> list3 = Arrays.asList("a", "s", "d", "f"); |
| List<String> all = new ArrayList<String>(); |
| all.addAll(list1); |
| all.addAll(list2); |
| all.addAll(list3); |
| ChainIterable<String> tested = new ChainIterable<String>(list1).add(list2).add(list3); |
| int count = 0; |
| for (String what : tested) { |
| assertEquals(all.get(count), what); |
| count += 1; |
| } |
| assertEquals(all.size(), count); |
| } |
| |
| public void testChainIterableEmptyFirst() { |
| List<String> list1 = Arrays.asList(); |
| List<String> list2 = Arrays.asList("ichi", "ni", "san"); |
| List<String> list3 = Arrays.asList("a", "s", "d", "f"); |
| List<String> all = new ArrayList<String>(); |
| all.addAll(list1); |
| all.addAll(list2); |
| all.addAll(list3); |
| ChainIterable<String> tested = new ChainIterable<String>(list1).add(list2).add(list3); |
| int count = 0; |
| for (String what : tested) { |
| assertEquals(all.get(count), what); |
| count += 1; |
| } |
| assertEquals(all.size(), count); |
| } |
| |
| public void testChainIterableEmptyLast() { |
| List<String> list1 = Arrays.asList("foo", "bar", "baz"); |
| List<String> list2 = Arrays.asList("ichi", "ni", "san"); |
| List<String> list3 = Arrays.asList(); |
| List<String> all = new ArrayList<String>(); |
| all.addAll(list1); |
| all.addAll(list2); |
| all.addAll(list3); |
| ChainIterable<String> tested = new ChainIterable<String>(list1).add(list2).add(list3); |
| int count = 0; |
| for (String what : tested) { |
| assertEquals(all.get(count), what); |
| count += 1; |
| } |
| assertEquals(all.size(), count); |
| } |
| |
| public void testChainIterableEmptyMiddle() { |
| List<String> list1 = Arrays.asList("foo", "bar", "baz"); |
| List<String> list2 = Arrays.asList(); |
| List<String> list3 = Arrays.asList("a", "s", "d", "f"); |
| List<String> all = new ArrayList<String>(); |
| all.addAll(list1); |
| all.addAll(list2); |
| all.addAll(list3); |
| ChainIterable<String> tested = new ChainIterable<String>(list1).add(list2).add(list3); |
| int count = 0; |
| for (String what : tested) { |
| assertEquals(all.get(count), what); |
| count += 1; |
| } |
| assertEquals(all.size(), count); |
| } |
| |
| |
| public void testChainIteratorByLists() { |
| List<String> list1 = Arrays.asList("foo", "bar", "baz"); |
| List<String> list2 = Arrays.asList("ichi", "ni", "san"); |
| List<String> list3 = Arrays.asList("a", "s", "d", "f"); |
| List<String> all = new ArrayList<String>(); |
| all.addAll(list1); |
| all.addAll(list2); |
| all.addAll(list3); |
| ChainIterator<String> tested = new ChainIterator<String>(list1.iterator()).add(list2.iterator()).add(list3.iterator()); |
| int count = 0; |
| String what; |
| while (tested.hasNext()) { |
| what = tested.next(); |
| assertEquals(all.get(count), what); |
| count += 1; |
| } |
| assertEquals(all.size(), count); |
| } |
| |
| public void testChainIteratorEmptyFirst() { |
| List<String> list1 = Arrays.asList(); |
| List<String> list2 = Arrays.asList("ichi", "ni", "san"); |
| List<String> list3 = Arrays.asList("a", "s", "d", "f"); |
| List<String> all = new ArrayList<String>(); |
| all.addAll(list1); |
| all.addAll(list2); |
| all.addAll(list3); |
| ChainIterator<String> tested = new ChainIterator<String>(list1.iterator()).add(list2.iterator()).add(list3.iterator()); |
| int count = 0; |
| String what; |
| while (tested.hasNext()) { |
| what = tested.next(); |
| assertEquals(all.get(count), what); |
| count += 1; |
| } |
| assertEquals(all.size(), count); |
| } |
| |
| public void testChainIteratorEmptyLast() { |
| List<String> list1 = Arrays.asList("foo", "bar", "baz"); |
| List<String> list2 = Arrays.asList("ichi", "ni", "san"); |
| List<String> list3 = Arrays.asList(); |
| List<String> all = new ArrayList<String>(); |
| all.addAll(list1); |
| all.addAll(list2); |
| all.addAll(list3); |
| ChainIterator<String> tested = new ChainIterator<String>(list1.iterator()).add(list2.iterator()).add(list3.iterator()); |
| int count = 0; |
| String what; |
| while (tested.hasNext()) { |
| what = tested.next(); |
| assertEquals(all.get(count), what); |
| count += 1; |
| } |
| assertEquals(all.size(), count); |
| } |
| |
| public void testChainIteratorEmptyMiddle() { |
| List<String> list1 = Arrays.asList("foo", "bar", "baz"); |
| List<String> list2 = Arrays.asList(); |
| List<String> list3 = Arrays.asList("a", "s", "d", "f"); |
| List<String> all = new ArrayList<String>(); |
| all.addAll(list1); |
| all.addAll(list2); |
| all.addAll(list3); |
| ChainIterator<String> tested = new ChainIterator<String>(list1.iterator()).add(list2.iterator()).add(list3.iterator()); |
| int count = 0; |
| String what; |
| while (tested.hasNext()) { |
| what = tested.next(); |
| assertEquals(all.get(count), what); |
| count += 1; |
| } |
| assertEquals(all.size(), count); |
| } |
| |
| |
| } |