Mercurial > jdk8-mips64-public > nashorn / file diff

     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/test/script/basic/ranges_payload.js	Wed Apr 27 01:36:41 2016 +0800
     1.3 @@ -0,0 +1,74 @@
     1.4 +/*
     1.5 + * Copyright (c) 2010, 2013, Oracle and/or its affiliates. All rights reserved.
     1.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
     1.7 + * 
     1.8 + * This code is free software; you can redistribute it and/or modify it
     1.9 + * under the terms of the GNU General Public License version 2 only, as
    1.10 + * published by the Free Software Foundation.
    1.11 + * 
    1.12 + * This code is distributed in the hope that it will be useful, but WITHOUT
    1.13 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
    1.14 + * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
    1.15 + * version 2 for more details (a copy is included in the LICENSE file that
    1.16 + * accompanied this code).
    1.17 + * 
    1.18 + * You should have received a copy of the GNU General Public License version
    1.19 + * 2 along with this work; if not, write to the Free Software Foundation,
    1.20 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
    1.21 + * 
    1.22 + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
    1.23 + * or visit www.oracle.com if you need additional information or have any
    1.24 + * questions.
    1.25 + */
    1.26 +
    1.27 +/**
    1.28 + * range analysis test. check that computation return values are correct
    1.29 + * both with and without range analysis
    1.30 + *
    1.31 + * @subtest
    1.32 + */
    1.33 +
    1.34 +function f(c) {
    1.35 +    var v = c & 0xffff;
    1.36 +    var w = v & 0xfff;
    1.37 +    var x = v * w;
    1.38 +    return x;
    1.39 +}
    1.40 +
    1.41 +function g() {
    1.42 +    var sum = 0;
    1.43 +    for (var x = 0; x < 4711; x++) {
    1.44 +	sum += x;
    1.45 +    }
    1.46 +    return sum;
    1.47 +}
    1.48 +
    1.49 +function g2() {
    1.50 +    var sum = 0;
    1.51 +    //make sure we overflow
    1.52 +    var displacement = 0x7ffffffe;
    1.53 +    for (var x = displacement; x < (displacement + 2); x++) {
    1.54 +	sum += x;
    1.55 +    }
    1.56 +    return sum;
    1.57 +}
    1.58 +
    1.59 +//mostly provide code coverage for all the range operations    
    1.60 +function h() {
    1.61 +    var sum = 0;
    1.62 +    sum += 4711;
    1.63 +    sum &= 0xffff;
    1.64 +    sum /= 2;
    1.65 +    sum *= 2;
    1.66 +    sum -= 4;
    1.67 +    sum |= 2;
    1.68 +    sum ^= 17;
    1.69 +    sum = sum % 10000;
    1.70 +    sum = -sum;
    1.71 +    return sum
    1.72 +}
    1.73 +
    1.74 +print(f(17));
    1.75 +print(g());
    1.76 +print(g2());
    1.77 +print(h());