vm/src/test/java/org/apidesign/vm4brwsr/StringSample.java
author Jaroslav Tulach <jaroslav.tulach@apidesign.org>
Sat, 17 Nov 2012 16:15:10 +0100
branchjavap
changeset 171 f61602ea7759
parent 137 45184b2f9697
child 176 6f9f52ad75f5
permissions -rw-r--r--
Using === and !== to make sure empty string is not mistaken for null
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/**
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 * Back 2 Browser Bytecode Translator
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 * Copyright (C) 2012 Jaroslav Tulach <jaroslav.tulach@apidesign.org>
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 *
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 * This program is free software: you can redistribute it and/or modify
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 * it under the terms of the GNU General Public License as published by
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 * the Free Software Foundation, version 2 of the License.
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 *
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 * This program is distributed in the hope that it will be useful,
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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 * GNU General Public License for more details.
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 *
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 * You should have received a copy of the GNU General Public License
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 * along with this program. Look for COPYING file in the top folder.
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 * If not, see http://opensource.org/licenses/GPL-2.0.
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 */
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package org.apidesign.vm4brwsr;
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/**
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 *
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 * @author Jaroslav Tulach <jtulach@netbeans.org>
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 */
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public class StringSample {
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    public static final String HELLO = "Hello World!";
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    private static int counter;
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    private final int cnt;
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    public StringSample() {
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        cnt = ++counter;
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    }
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    public static char sayHello(int indx) {
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        return HELLO.charAt(indx);
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    }
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    public static boolean equalToHello(int from, int to) {
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        return "Hello".equals(HELLO.substring(from, to));
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    }
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    public static String fromChars(char a, char b, char c) {
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        char[] arr = { a, b, c };
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        return new String(arr).toString();
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    }
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    public static String chars(char a, char b, char c) {
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        return ("" + a + b +c).toString();
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    }
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    public static String toStringTest(int howMuch) {
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        counter = 0;
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        StringSample ss = null;
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        for (int i = 0; i < howMuch; i++) {
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            ss = new StringSample();
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        }
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        return ss.toString().toString();
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    }
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    public static String concatStrings() {
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        return (toStringTest(1) + "\\\n\r\t").toString();
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    }
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    @Override
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    public String toString() {
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        return HELLO + cnt;
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    }
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}