/* * The MIT License (MIT) * * Copyright (c) 2017-2020 Yegor Bugayenko * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included * in all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE * SOFTWARE. */ package org.cactoos.iterable; import java.time.LocalDate; import java.time.temporal.ChronoUnit; import org.cactoos.Func; import org.cactoos.list.ListOf; import org.hamcrest.MatcherAssert; import org.hamcrest.Matchers; import org.junit.Test; /** * Test of range implementation. * * @since 1.0 * @checkstyle JavadocMethodCheck (500 lines) * @checkstyle MagicNumber (500 lines) */ public class RangeOfTest { @Test public final void testIntegerRange() { MatcherAssert.assertThat( "Can't generate a range of integers", new ListOf<>( new RangeOf<>(1, 5, value -> ++value) ), Matchers.contains(1, 2, 3, 4, 5) ); } @Test public final void testIntegerFibonacciRange() { MatcherAssert.assertThat( "Can't generate a range of fibonacci integers", new ListOf<>( new RangeOf<>( 1, 100, new Func<Integer, Integer>() { private int last; @Override public Integer apply( final Integer input) throws Exception { final int next = this.last + input; this.last = input; return next; } } ) ), Matchers.contains(1, 1, 2, 3, 5, 8, 13, 21, 34, 55, 89) ); } @Test public final void testLongRange() { MatcherAssert.assertThat( "Can't generate a range of long", new ListOf<>( new RangeOf<>(1L, 5L, value -> ++value) ), Matchers.contains(1L, 2L, 3L, 4L, 5L) ); } @Test public final void testCharacterRange() { MatcherAssert.assertThat( "Can't generate a range of characters", new ListOf<>( new RangeOf<>('a', 'c', value -> ++value) ), Matchers.contains('a', 'b', 'c') ); } @Test public final void testLocalDateRange() { MatcherAssert.assertThat( "Can't generate a range of local dates.", new ListOf<>( new RangeOf<>( LocalDate.of(2017, 1, 1), LocalDate.of(2017, 1, 3), value -> value.plus(1, ChronoUnit.DAYS) ) ), Matchers.contains( LocalDate.of(2017, 1, 1), LocalDate.of(2017, 1, 2), LocalDate.of(2017, 1, 3) ) ); } }