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      1 // Copyright 2012 the V8 project authors. All rights reserved.
      2 // Redistribution and use in source and binary forms, with or without
      3 // modification, are permitted provided that the following conditions are
      4 // met:
      5 //
      6 //     * Redistributions of source code must retain the above copyright
      7 //       notice, this list of conditions and the following disclaimer.
      8 //     * Redistributions in binary form must reproduce the above
      9 //       copyright notice, this list of conditions and the following
     10 //       disclaimer in the documentation and/or other materials provided
     11 //       with the distribution.
     12 //     * Neither the name of Google Inc. nor the names of its
     13 //       contributors may be used to endorse or promote products derived
     14 //       from this software without specific prior written permission.
     15 //
     16 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
     17 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
     18 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
     19 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
     20 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
     21 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
     22 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     23 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     25 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     27 
     28 // Flags: --allow-natives-syntax
     29 
     30 var cases = [
     31     [0.0, 0.0, 0.0, 0,0],
     32     [undefined, 0.0, NaN, NaN],
     33     [0.0, undefined, NaN, NaN],
     34     [NaN, 0.0, NaN, NaN],
     35     [0.0, NaN, NaN, NaN],
     36     [-NaN, 0.0, NaN, NaN],
     37     [0.0, -NaN, NaN, NaN],
     38     [Infinity, 0.0, Infinity, 0.0],
     39     [0.0, Infinity, Infinity, 0.0],
     40     [-Infinity, 0.0, 0.0, -Infinity],
     41     [0.0, -Infinity, 0.0, -Infinity]
     42 ];
     43 
     44 function do_min(a, b) {
     45     return Math.min(a, b);
     46 }
     47 
     48 function do_max(a, b) {
     49     return Math.max(a, b);
     50 }
     51 
     52 // Make sure that non-crankshaft results match expectations.
     53 for (i = 0; i < cases.length; ++i) {
     54     var c = cases[i];
     55     assertEquals(c[3], do_min(c[0], c[1]));
     56     assertEquals(c[2], do_max(c[0], c[1]));
     57 }
     58 
     59 // Make sure that crankshaft results match expectations.
     60 for (i = 0; i < cases.length; ++i) {
     61     var c = cases[i];
     62     %OptimizeFunctionOnNextCall(do_min);
     63     %OptimizeFunctionOnNextCall(do_max);
     64     assertEquals(c[3], do_min(c[0], c[1]));
     65     assertEquals(c[2], do_max(c[0], c[1]));
     66 }
     67