nashorn/test/script/basic/JDK-8017010.js
author lagergren
Mon, 25 Mar 2013 12:01:06 +0100
changeset 16531 8f1b0de50d07
permissions -rw-r--r--
8017010: index evaluation to a temporary location for index operator much change temporaries to slots, but never scoped vars Reviewed-by: hannesw, sundar

/*
 * Copyright (c) 2010, 2013, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 * 
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.
 * 
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 * 
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 * 
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 */

/**
 * JDK-8010710 - slot/scope problem with temporary expressions
 * as array index in self modifying assigns
 *
 * @test
 * @run 
 */
function zero() {
    return 0;
}

//try complex self modifying assignment and force slots to temporary value index operators
var a = [1, 2, 3, 4, 5];
var b = [a, a];
print(b[zero() + 1][2 + a[0]] += 10);

//repro for NASHORN-258 that never made it
function AddRoundKey() {        
    var r=0;  
    state[r][1] &= 17;    
}

var srcFiles = [];
for(i=0;i<100;i++) {
    srcFiles.push('dummy');
}
var added = '';

//this broke the javafx build system. verify it works
function bouncingBall() {
    for (j=0; j<100; j++) {
	added += srcFiles[j];
    }
}
bouncingBall();
print(added);

//this is how they should have done it for speed, that works always, verify this too
function bouncingBall2() {
    for (var k=0; k<100; k++) {
	added += srcFiles[k];
    }
}
bouncingBall2();
print(added);