100 lines
3.4 KiB
Java
100 lines
3.4 KiB
Java
/*
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* Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/**
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* @test
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* @summary Basic lines functionality
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* @bug 8200380
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* @run main/othervm Lines
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*/
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import java.util.Iterator;
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import java.util.stream.Stream;
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import java.io.BufferedReader;
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import java.io.StringReader;
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public class Lines {
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public static void main(String... arg) {
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testLines();
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}
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/*
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* Test with strings
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*/
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static void testLines() {
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testString("");
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testString(" ");
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testString("\n");
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testString("\n\n\n");
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testString("\r\r\r");
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testString("\r\n\r\n\r\n");
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testString("\n\r\r\n");
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testString("abc\ndef\nghi\n");
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testString("abc\ndef\nghi");
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testString("abc\rdef\rghi\r");
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testString("abc\rdef\rghi");
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testString("abc\r\ndef\r\nghi\r\n");
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testString("abc\r\ndef\r\nghi");
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testString("\2022");
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testString("\2022\n");
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testString("\2022\n\2022\n\2022\n");
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testString("\2022\r\2022\r\2022\r");
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testString("\2022\r\n\2022\r\n\2022\r\n");
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testString("\2022\n\2022\r\2022\r\n");
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testString("abc\2022\ndef\2022\nghi\2022\n");
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testString("abc\2022\ndef\2022\nghi\2022");
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testString("abc\2022\rdef\2022\rghi\2022\r");
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testString("abc\2022\rdef\2022\rghi\2022");
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testString("abc\2022\r\ndef\2022\r\nghi\2022\r\n");
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testString("abc\2022\r\ndef\2022\r\nghi\2022");
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testString("\2022\n\n\n");
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}
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static void testString(String string) {
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Stream<String> lines = string.lines();
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Stream<String> brLines = new BufferedReader(new StringReader(string)).lines();
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Iterator<String> iterator = lines.iterator();
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Iterator<String> brIterator = brLines.iterator();
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int count = 0;
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while (iterator.hasNext() && brIterator.hasNext()) {
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count++;
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String line = iterator.next();
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String brLine = brIterator.next();
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if (!line.equals(brLine)) {
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String replace = string.replaceAll("\n", "\\n").replaceAll("\r", "\\r");
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System.err.format("Mismatch at line %d of \"%s\"%n", count, replace);
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throw new RuntimeException();
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}
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}
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if (iterator.hasNext() || brIterator.hasNext()) {
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System.err.format("Mismatch after line %d of \"%s\"%n", count, string);
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throw new RuntimeException();
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}
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}
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}
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