| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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 groovy.util |
| |
| import groovy.test.GroovyTestCase |
| |
| import static GroovyCollections.min |
| import static GroovyCollections.max |
| import static GroovyCollections.combinations |
| import static GroovyCollections.transpose |
| import static GroovyCollections.sum |
| |
| /** |
| * Tests GroovyCollections |
| */ |
| class GroovyCollectionsTest extends GroovyTestCase { |
| |
| void testCombinations() { |
| // use Sets because we don't care about order |
| Set expected = [ |
| ['a', 1], ['a', 2], ['a', 3], |
| ['b', 1], ['b', 2], ['b', 3] |
| ] |
| Collection input = [['a', 'b'], [1, 2, 3]] |
| |
| // normal varargs versions should match Object[] |
| assert GroovyCollections.combinations(['a', 'b'], [1, 2, 3]) as Set == expected |
| assert combinations(['a', 'b'], [1, 2, 3]) as Set == expected |
| |
| // spread versions should match Object[] |
| assert GroovyCollections.combinations(*input) as Set == expected |
| assert combinations(*input) as Set == expected |
| |
| // collection versions should match Collection |
| assert GroovyCollections.combinations(input) as Set == expected |
| assert combinations(input) as Set == expected |
| |
| // an empty iterable should result in no combination |
| assert combinations([[]] + input).isEmpty() |
| assert combinations(input + [[]]).isEmpty() |
| assert combinations(input + [[]] + input).isEmpty() |
| } |
| |
| void testTranspose() { |
| // normal varargs versions should match Object[] |
| assert GroovyCollections.transpose(['a', 'b'], [1, 2, 3]) == [['a', 1], ['b', 2]] |
| assert transpose(['a', 'b'], [1, 2, 3]) == [['a', 1], ['b', 2]] |
| assert GroovyCollections.transpose([1, 2, 3], [4, 5, 6]) == [[1, 4], [2, 5], [3, 6]] |
| assert transpose([1, 2, 3], [4, 5, 6]) == [[1, 4], [2, 5], [3, 6]] |
| assert GroovyCollections.transpose([1, 2, 3], [4, 5], [9], [6, 7, 8]) == [[1, 4, 9, 6]] |
| assert transpose([1, 2, 3], [4, 5], [9], [6, 7, 8]) == [[1, 4, 9, 6]] |
| |
| // collection versions |
| assert GroovyCollections.transpose([[1, 2, 3]]) == [[1], [2], [3]] |
| assert transpose([[1, 2, 3]]) == [[1], [2], [3]] |
| assert GroovyCollections.transpose([]) == [] |
| assert transpose([]) == [] |
| } |
| |
| void testMin() { |
| // normal varargs versions should match Object[] |
| assert GroovyCollections.min('a', 'b') == 'a' |
| assert min('a', 'b') == 'a' |
| assert GroovyCollections.min(1, 2, 3) == 1 |
| assert min(1, 2, 3) == 1 |
| |
| // collection versions |
| assert GroovyCollections.min(['a', 'b']) == 'a' |
| assert min(['a', 'b']) == 'a' |
| assert GroovyCollections.min([1, 2, 3]) == 1 |
| assert min([1, 2, 3]) == 1 |
| } |
| |
| void testMax() { |
| // normal varargs versions should match Object[] |
| assert GroovyCollections.max('a', 'b') == 'b' |
| assert max('a', 'b') == 'b' |
| assert GroovyCollections.max(1, 2, 3) == 3 |
| assert max(1, 2, 3) == 3 |
| |
| // collection versions |
| assert GroovyCollections.max(['a', 'b']) == 'b' |
| assert max(['a', 'b']) == 'b' |
| assert GroovyCollections.max([1, 2, 3]) == 3 |
| assert max([1, 2, 3]) == 3 |
| } |
| |
| void testSum() { |
| // normal varargs versions should match Object[] |
| assert GroovyCollections.sum('a', 'b') == 'ab' |
| assert sum('a', 'b') == 'ab' |
| assert GroovyCollections.sum(1, 2, 3) == 6 |
| assert sum(1, 2, 3) == 6 |
| |
| // collection versions |
| assert GroovyCollections.sum(['a', 'b']) == 'ab' |
| assert sum(['a', 'b']) == 'ab' |
| assert GroovyCollections.sum([1, 2, 3]) == 6 |
| assert sum([1, 2, 3]) == 6 |
| } |
| |
| // GROOVY-7267 |
| void testHashCodeCollisionInMinus() { |
| assert ([[1:2],[2:3]]-[["b":"a"]]) == [[1:2],[2:3]] |
| } |
| } |