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      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 
     31 function f(o) {
     32   return Math.floor(o.x_smi) + 1;
     33 }
     34 
     35 assertEquals(2, f({x_smi:1}));
     36 assertEquals(2, f({x_smi:1}));
     37 %OptimizeFunctionOnNextCall(f);
     38 assertEquals(2, f({x_smi:1}));
     39 
     40 function f2(o) {
     41   return Math.floor(o.x_tagged) + 1;
     42 }
     43 
     44 var o = {x_tagged:{}};
     45 o.x_tagged = 1.4;
     46 assertEquals(2, f2(o));
     47 assertEquals(2, f2(o));
     48 %OptimizeFunctionOnNextCall(f2);
     49 assertEquals(2, f2(o));
     50 
     51 function f3(o) {
     52   return Math.round(o.x_smi) + 1;
     53 }
     54 
     55 assertEquals(2, f3({x_smi:1}));
     56 assertEquals(2, f3({x_smi:1}));
     57 %OptimizeFunctionOnNextCall(f3);
     58 assertEquals(2, f3({x_smi:1}));
     59 
     60 function f4(o) {
     61   return Math.round(o.x_tagged) + 1;
     62 }
     63 
     64 assertEquals(2, f4(o));
     65 assertEquals(2, f4(o));
     66 %OptimizeFunctionOnNextCall(f4);
     67 assertEquals(2, f4(o));
     68