test/examples/int-micro.js

Wed, 24 Apr 2013 13:28:25 +0200

author
hannesw
date
Wed, 24 Apr 2013 13:28:25 +0200
changeset 219
a6c53280343d
parent 0
b1a7da25b547
child 962
ac62e33a99b0
permissions
-rw-r--r--

8012334: ToUint32, ToInt32, and ToUint16 don't conform to spec
Reviewed-by: lagergren, attila

     1 /*
     2  * Copyright (c) 2010, 2013, Oracle and/or its affiliates. All rights reserved.
     3  * 
     4  * Redistribution and use in source and binary forms, with or without
     5  * modification, are permitted provided that the following conditions
     6  * are met:
     7  * 
     8  *   - Redistributions of source code must retain the above copyright
     9  *     notice, this list of conditions and the following disclaimer.
    10  * 
    11  *   - Redistributions in binary form must reproduce the above copyright
    12  *     notice, this list of conditions and the following disclaimer in the
    13  *     documentation and/or other materials provided with the distribution.
    14  * 
    15  *   - Neither the name of Oracle nor the names of its
    16  *     contributors may be used to endorse or promote products derived
    17  *     from this software without specific prior written permission.
    18  * 
    19  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
    20  * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
    21  * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
    22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR
    23  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
    24  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
    25  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
    26  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
    27  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
    28  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
    29  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
    30  */
    33 function bench(name, func) {
    34     var start = Date.now();
    35     for (var iter = 0; iter < 5000000; iter++) {
    36         func();
    37     }
    38     print(name + "\t" + (Date.now() - start));
    39 }
    41 function uint32(value) {
    42     return function() {
    43         value >>> 0;
    44         value >>> 0;
    45         value >>> 0;
    46         value >>> 0;
    47         value >>> 0;
    48         value >>> 0;
    49         value >>> 0;
    50         value >>> 0;
    51         value >>> 0;
    52         value >>> 0;
    53         value >>> 0;
    54         value >>> 0;
    55         value >>> 0;
    56         value >>> 0;
    57         value >>> 0;
    58     };
    59 }
    61 function int32(value) {
    62     return function() {
    63         value >> 0;
    64         value >> 0;
    65         value >> 0;
    66         value >> 0;
    67         value >> 0;
    68         value >> 0;
    69         value >> 0;
    70         value >> 0;
    71         value >> 0;
    72         value >> 0;
    73         value >> 0;
    74         value >> 0;
    75         value >> 0;
    76         value >> 0;
    77         value >> 0;
    78     };
    79 }
    81 print("\nToUint32");
    82 for (var i = 1; i < 3; i++) {
    83     bench("infinity      ", uint32(Infinity));
    84     bench("infinity neg  ", uint32(-Infinity));
    85     bench("nan           ", uint32(NaN));
    86     bench("small         ", uint32(1));
    87     bench("small neg     ", uint32(-1));
    88     bench("small frac    ", uint32(1.5));
    89     bench("small neg frac", uint32(-1.5));
    90     bench("large         ", uint32(9223372036854775807));
    91     bench("large neg     ", uint32(-9223372036854775808));
    92 }
    94 print("\nToInt32");
    95 for (var i = 1; i < 3; i++) {
    96     bench("infinity      ", int32(Infinity));
    97     bench("infinity neg  ", int32(-Infinity));
    98     bench("nan           ", int32(NaN));
    99     bench("small         ", int32(1));
   100     bench("small neg     ", int32(-1));
   101     bench("small frac    ", int32(1.5));
   102     bench("small neg frac", int32(-1.5));
   103     bench("large         ", int32(9223372036854775807));
   104     bench("large neg     ", int32(-9223372036854775808));
   105 }

mercurial