Home | History | Annotate | Download | only in regress 
      1 // Copyright 2013 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 function test(fun, expectation) {
     31   assertEquals(1, fun(1));
     32   %OptimizeFunctionOnNextCall(fun);
     33   assertEquals(expectation, fun(0));
     34 }
     35 
     36 test(function(x) {
     37   var a = x ? true : false;
     38   return a | 0;
     39 }, 0);
     40 
     41 test(function(x) {
     42   var a = x ? true : true;
     43   return a | 0;
     44 }, 1);
     45 
     46 test(function(x) {
     47   var a = x ? true : "0";
     48   return a | 0;
     49 }, 0);
     50 
     51 test(function(x) {
     52   var a = x ? true : "1";
     53   return a | 0;
     54 }, 1);
     55 
     56 test(function(x) {
     57   var a = x ? true : "-1";
     58   return a | 0;
     59 }, -1);
     60 
     61 test(function(x) {
     62   var a = x ? true : "-0";
     63   return a | 0;
     64 }, 0);
     65 
     66 test(function(x) {
     67   var a = x ? true : "0x1234";
     68   return a | 0;
     69 }, 0x1234);
     70 
     71 test(function(x) {
     72   var a = x ? true : { valueOf: function() { return 2; } };
     73   return a | 0;
     74 }, 2);
     75 
     76 test(function(x) {
     77   var a = x ? true : undefined;
     78   return a | 0;
     79 }, 0);
     80 
     81 test(function(x) {
     82   var a = x ? true : null;
     83   return a | 0;
     84 }, 0);
     85 
     86 test(function(x) {
     87   var a = x ? true : "";
     88   return a | 0;
     89 }, 0);
     90