001/* 002 * Copyright (C) 2008 The Guava Authors 003 * 004 * Licensed under the Apache License, Version 2.0 (the "License"); 005 * you may not use this file except in compliance with the License. 006 * You may obtain a copy of the License at 007 * 008 * http://www.apache.org/licenses/LICENSE-2.0 009 * 010 * Unless required by applicable law or agreed to in writing, software 011 * distributed under the License is distributed on an "AS IS" BASIS, 012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 013 * See the License for the specific language governing permissions and 014 * limitations under the License. 015 */ 016 017package com.google.common.collect.testing; 018 019import static java.util.Collections.sort; 020 021import com.google.common.annotations.GwtCompatible; 022import java.util.List; 023import java.util.SortedSet; 024import org.jspecify.annotations.NullMarked; 025 026/** 027 * Create integer sets for testing collections that are sorted by natural ordering. 028 * 029 * @author Chris Povirk 030 * @author Jared Levy 031 */ 032@GwtCompatible 033@NullMarked 034public abstract class TestIntegerSortedSetGenerator extends TestIntegerSetGenerator { 035 @Override 036 protected abstract SortedSet<Integer> create(Integer[] elements); 037 038 /** Sorts the elements by their natural ordering. */ 039 /* 040 * While the current implementation returns `this`, that's not something we mean to guarantee. 041 * Callers of TestContainerGenerator.order need to be prepared for implementations to return a new 042 * collection. 043 */ 044 @SuppressWarnings("CanIgnoreReturnValueSuggester") 045 @Override 046 public List<Integer> order(List<Integer> insertionOrder) { 047 sort(insertionOrder); 048 return insertionOrder; 049 } 050}