| /* |
| * 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 org.apache.ignite.internal.util.tostring; |
| |
| import org.apache.ignite.testframework.junits.common.GridCommonAbstractTest; |
| import org.apache.ignite.testframework.junits.common.GridCommonTest; |
| import org.junit.Test; |
| |
| /** |
| * |
| */ |
| @GridCommonTest(group = "Utils") |
| public class CircularStringBuilderSelfTest extends GridCommonAbstractTest { |
| /** |
| * @throws Exception If failed. |
| */ |
| @Test |
| public void testCSBPrimitive() throws Exception { |
| CircularStringBuilder csb = new CircularStringBuilder(1); |
| csb.append((String)null); |
| assertEquals("l", csb.toString()); |
| csb.append('1'); |
| assertEquals("1", csb.toString()); |
| |
| CircularStringBuilder csb2 = new CircularStringBuilder(1); |
| csb2.append(1); |
| assertEquals("1", csb2.toString()); |
| } |
| |
| /** |
| * @throws Exception If failed. |
| */ |
| @Test |
| public void testCSBOverflow() throws Exception { |
| testSB(3, "1234", 2, "234"); |
| testSB(4, "1234", 2, "1234"); |
| testSB(5, "1234", 2, "41234"); |
| testSB(6, "1234", 2, "341234"); |
| testSB(7, "1234", 2, "2341234"); |
| testSB(8, "1234", 2, "12341234"); |
| } |
| |
| /** |
| * @param capacity Capacity. |
| * @param pattern Pattern to add. |
| * @param num How many times pattern should be added. |
| * @param expected Expected string. |
| */ |
| private void testSB(int capacity, String pattern, int num, String expected) { |
| CircularStringBuilder csb = new CircularStringBuilder(capacity); |
| |
| for (int i = 0; i < num; i++) |
| csb.append(pattern); |
| |
| assertEquals(expected, csb.toString()); |
| } |
| } |