| /* |
| * 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.solr.internal.csv; |
| |
| import java.io.StringReader; |
| import java.util.Arrays; |
| |
| import junit.framework.TestCase; |
| |
| /** |
| * ExtendedBufferedReaderTest |
| * |
| */ |
| public class ExtendedBufferedReaderTest extends TestCase { |
| |
| // ====================================================== |
| // the test cases |
| // ====================================================== |
| |
| public void testConstructors() { |
| ExtendedBufferedReader br = new ExtendedBufferedReader(new StringReader("")); |
| br = new ExtendedBufferedReader(new StringReader(""), 10); |
| } |
| |
| public void testReadLookahead1() throws Exception { |
| |
| assertEquals(ExtendedBufferedReader.END_OF_STREAM, getEBR("").read()); |
| ExtendedBufferedReader br = getEBR("1\n2\r3\n"); |
| assertEquals('1', br.lookAhead()); |
| assertEquals(ExtendedBufferedReader.UNDEFINED, br.readAgain()); |
| assertEquals('1', br.read()); |
| assertEquals('1', br.readAgain()); |
| |
| assertEquals(0, br.getLineNumber()); |
| assertEquals('\n', br.lookAhead()); |
| assertEquals(0, br.getLineNumber()); |
| assertEquals('1', br.readAgain()); |
| assertEquals('\n', br.read()); |
| assertEquals(1, br.getLineNumber()); |
| assertEquals('\n', br.readAgain()); |
| assertEquals(1, br.getLineNumber()); |
| |
| assertEquals('2', br.lookAhead()); |
| assertEquals(1, br.getLineNumber()); |
| assertEquals('\n', br.readAgain()); |
| assertEquals(1, br.getLineNumber()); |
| assertEquals('2', br.read()); |
| assertEquals('2', br.readAgain()); |
| |
| assertEquals('\r', br.lookAhead()); |
| assertEquals('2', br.readAgain()); |
| assertEquals('\r', br.read()); |
| assertEquals('\r', br.readAgain()); |
| |
| assertEquals('3', br.lookAhead()); |
| assertEquals('\r', br.readAgain()); |
| assertEquals('3', br.read()); |
| assertEquals('3', br.readAgain()); |
| |
| assertEquals('\n', br.lookAhead()); |
| assertEquals(1, br.getLineNumber()); |
| assertEquals('3', br.readAgain()); |
| assertEquals('\n', br.read()); |
| assertEquals(2, br.getLineNumber()); |
| assertEquals('\n', br.readAgain()); |
| assertEquals(2, br.getLineNumber()); |
| |
| assertEquals(ExtendedBufferedReader.END_OF_STREAM, br.lookAhead()); |
| assertEquals('\n', br.readAgain()); |
| assertEquals(ExtendedBufferedReader.END_OF_STREAM, br.read()); |
| assertEquals(ExtendedBufferedReader.END_OF_STREAM, br.readAgain()); |
| assertEquals(ExtendedBufferedReader.END_OF_STREAM, br.read()); |
| assertEquals(ExtendedBufferedReader.END_OF_STREAM, br.lookAhead()); |
| |
| } |
| |
| |
| public void testReadLookahead2() throws Exception { |
| char[] ref = new char[5]; |
| char[] res = new char[5]; |
| |
| ExtendedBufferedReader br = getEBR(""); |
| assertEquals(0, br.read(res, 0, 0)); |
| assertTrue(Arrays.equals(res, ref)); |
| |
| br = getEBR("abcdefg"); |
| ref[0] = 'a'; |
| ref[1] = 'b'; |
| ref[2] = 'c'; |
| assertEquals(3, br.read(res, 0, 3)); |
| assertTrue(Arrays.equals(res, ref)); |
| assertEquals('c', br.readAgain()); |
| |
| assertEquals('d', br.lookAhead()); |
| ref[4] = 'd'; |
| assertEquals(1, br.read(res, 4, 1)); |
| assertTrue(Arrays.equals(res, ref)); |
| assertEquals('d', br.readAgain()); |
| |
| } |
| |
| public void testMarkSupported() { |
| assertFalse(getEBR("foo").markSupported()); |
| } |
| |
| public void testReadLine() throws Exception { |
| ExtendedBufferedReader br = getEBR(""); |
| assertTrue(br.readLine() == null); |
| |
| br = getEBR("\n"); |
| assertTrue(br.readLine().equals("")); |
| assertTrue(br.readLine() == null); |
| |
| br = getEBR("foo\n\nhello"); |
| assertEquals(0, br.getLineNumber()); |
| assertTrue(br.readLine().equals("foo")); |
| assertEquals(1, br.getLineNumber()); |
| assertTrue(br.readLine().equals("")); |
| assertEquals(2, br.getLineNumber()); |
| assertTrue(br.readLine().equals("hello")); |
| assertEquals(3, br.getLineNumber()); |
| assertTrue(br.readLine() == null); |
| assertEquals(3, br.getLineNumber()); |
| |
| br = getEBR("foo\n\nhello"); |
| assertEquals('f', br.read()); |
| assertEquals('o', br.lookAhead()); |
| assertTrue(br.readLine().equals("oo")); |
| assertEquals(1, br.getLineNumber()); |
| assertEquals('\n', br.lookAhead()); |
| assertTrue(br.readLine().equals("")); |
| assertEquals(2, br.getLineNumber()); |
| assertEquals('h', br.lookAhead()); |
| assertTrue(br.readLine().equals("hello")); |
| assertTrue(br.readLine() == null); |
| assertEquals(3, br.getLineNumber()); |
| |
| |
| br = getEBR("foo\rbaar\r\nfoo"); |
| assertTrue(br.readLine().equals("foo")); |
| assertEquals('b', br.lookAhead()); |
| assertTrue(br.readLine().equals("baar")); |
| assertEquals('f', br.lookAhead()); |
| assertTrue(br.readLine().equals("foo")); |
| assertTrue(br.readLine() == null); |
| } |
| |
| public void testSkip0() throws Exception { |
| |
| ExtendedBufferedReader br = getEBR(""); |
| assertEquals(0, br.skip(0)); |
| assertEquals(0, br.skip(1)); |
| |
| br = getEBR(""); |
| assertEquals(0, br.skip(1)); |
| |
| br = getEBR("abcdefg"); |
| assertEquals(0, br.skip(0)); |
| assertEquals('a', br.lookAhead()); |
| assertEquals(0, br.skip(0)); |
| assertEquals('a', br.lookAhead()); |
| assertEquals(1, br.skip(1)); |
| assertEquals('b', br.lookAhead()); |
| assertEquals('b', br.read()); |
| assertEquals(3, br.skip(3)); |
| assertEquals('f', br.lookAhead()); |
| assertEquals(2, br.skip(5)); |
| assertTrue(br.readLine() == null); |
| |
| br = getEBR("12345"); |
| assertEquals(5, br.skip(5)); |
| assertTrue (br.lookAhead() == ExtendedBufferedReader.END_OF_STREAM); |
| } |
| |
| public void testSkipUntil() throws Exception { |
| ExtendedBufferedReader br = getEBR(""); |
| assertEquals(0, br.skipUntil(';')); |
| br = getEBR("ABCDEF,GHL,,MN"); |
| assertEquals(6, br.skipUntil(',')); |
| assertEquals(0, br.skipUntil(',')); |
| br.skip(1); |
| assertEquals(3, br.skipUntil(',')); |
| br.skip(1); |
| assertEquals(0, br.skipUntil(',')); |
| br.skip(1); |
| assertEquals(2, br.skipUntil(',')); |
| } |
| |
| public void testReadUntil() throws Exception { |
| ExtendedBufferedReader br = getEBR(""); |
| assertTrue(br.readUntil(';').equals("")); |
| br = getEBR("ABCDEF;GHL;;MN"); |
| assertTrue(br.readUntil(';').equals("ABCDEF")); |
| assertTrue(br.readUntil(';').length() == 0); |
| br.skip(1); |
| assertTrue(br.readUntil(';').equals("GHL")); |
| br.skip(1); |
| assertTrue(br.readUntil(';').equals("")); |
| br.skip(1); |
| assertTrue(br.readUntil(',').equals("MN")); |
| } |
| |
| private ExtendedBufferedReader getEBR(String s) { |
| return new ExtendedBufferedReader(new StringReader(s)); |
| } |
| } |