test/nashorn/examples/string-micro.js
author coleenp
Tue, 14 Nov 2017 10:10:05 -0500
changeset 47888 99f13d4afe85
parent 47216 71c04702a3d5
permissions -rw-r--r--
Merge
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/*
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 * Copyright (c) 2010, 2013, Oracle and/or its affiliates. All rights reserved.
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 *
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 * Redistribution and use in source and binary forms, with or without
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 * modification, are permitted provided that the following conditions
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 * are met:
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 *
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 *   - Redistributions of source code must retain the above copyright
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 *     notice, this list of conditions and the following disclaimer.
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 *
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 *   - Redistributions in binary form must reproduce the above copyright
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 *     notice, this list of conditions and the following disclaimer in the
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 *     documentation and/or other materials provided with the distribution.
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 *
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 *   - Neither the name of Oracle nor the names of its
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 *     contributors may be used to endorse or promote products derived
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 *     from this software without specific prior written permission.
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 *
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 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
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 * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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 */
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var str = "The quick gray nashorn jumps over the lazy zebra.";
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function bench(name, func) {
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    var start = Date.now();
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    for (var iter = 0; iter < 5000000; iter++) {
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        func();
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    }
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    print((Date.now() - start) + "\t" + name);
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}
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bench("[]", function() {
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    str[0];
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    str[1];
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    str[2];
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});
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bench("fromCharCode 1", function() {
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    String.fromCharCode(97);
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    String.fromCharCode(98);
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    String.fromCharCode(99);
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});
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bench("fromCharCode 2", function() {
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    String.fromCharCode(97, 98);
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    String.fromCharCode(97, 98, 99);
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    String.fromCharCode(97, 98, 99, 100);
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});
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bench("charAt 1", function() {
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    str.charAt(0);
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    str.charAt(1);
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    str.charAt(2);
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});
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bench("charAt 2", function() {
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    str.charAt(100);
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    str.charAt(-1);
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});
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bench("charCodeAt 1", function() {
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    str.charCodeAt(0);
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    str.charCodeAt(1);
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    str.charCodeAt(2);
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});
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bench("charCodeAt 2", function() {
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    str.charCodeAt(100);
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    str.charCodeAt(-1);
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});
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bench("indexOf 1", function() {
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    str.indexOf("T");
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    str.indexOf("h");
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    str.indexOf("e");
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});
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bench("indexOf 2", function() {
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    str.indexOf("T", 0);
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    str.indexOf("h", 1);
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    str.indexOf("e", 2);
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});
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bench("lastIndexOf", function() {
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    str.indexOf("a");
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    str.indexOf("r");
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    str.indexOf("b");
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});
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bench("slice", function() {
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    str.slice(5);
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    str.slice(5);
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    str.slice(5);
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});
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bench("split 1", function() {
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    str.split();
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});
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bench("split 2", function() {
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    str.split("foo");
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});
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bench("split 3", function() {
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    str.split(/foo/);
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});
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bench("substring 1", function() {
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    str.substring(0);
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    str.substring(0);
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    str.substring(0);
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});
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bench("substring 2", function() {
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    str.substring(0, 5);
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    str.substring(0, 5);
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    str.substring(0, 5);
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});
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bench("substr", function() {
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    str.substr(0);
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    str.substr(0);
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    str.substr(0);
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});
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bench("slice", function() {
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    str.slice(0);
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    str.slice(0);
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    str.slice(0);
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});
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bench("concat", function() {
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    str.concat(str);
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    str.concat(str);
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    str.concat(str);
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});
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bench("trim", function() {
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    str.trim();
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    str.trim();
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    str.trim();
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});
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bench("toUpperCase", function() {
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    str.toUpperCase();
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});
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bench("toLowerCase", function() {
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    str.toLowerCase();
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});
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bench("valueOf", function() {
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    str.valueOf();
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    str.valueOf();
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    str.valueOf();
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});
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bench("toString", function() {
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    str.toString();
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    str.toString();
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    str.toString();
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});
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bench("String", function() {
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    String(str);
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    String(str);
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    String(str);
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});
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bench("new String", function() {
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    new String(str);
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    new String(str);
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    new String(str);
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});