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      1 // Copyright 2015 the V8 project authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 // Flags: --allow-natives-syntax
      6 
      7 function test(expected, f) {
      8   assertEquals(expected, f());
      9   assertEquals(expected, f());
     10   %OptimizeFunctionOnNextCall(f);
     11   assertEquals(expected, f());
     12   assertEquals(expected, f());
     13 }
     14 
     15 function testThrows(f) {
     16   assertThrows(f);
     17   assertThrows(f);
     18   %OptimizeFunctionOnNextCall(f);
     19   assertThrows(f);
     20   assertThrows(f);
     21 }
     22 
     23 // --- Constant case.
     24 a = 11;
     25 
     26 function f1() { return a; }
     27 test(11, f1);
     28 
     29 delete a;
     30 
     31 testThrows(f1);
     32 
     33 
     34 // --- SMI case.
     35 
     36 b = 11;
     37 b = 12;
     38 b = 13;
     39 
     40 function f2() { return b; }
     41 test(13, f2);
     42 
     43 delete b;
     44 
     45 testThrows(f2);
     46 
     47 
     48 // --- double case.
     49 
     50 c = 11;
     51 c = 12.25;
     52 c = 13.25;
     53 
     54 function f3() { return c; }
     55 test(13.25, f3);
     56 
     57 delete c;
     58 
     59 testThrows(f3);
     60 
     61 
     62 // --- tagged case.
     63 
     64 d = 11;
     65 d = 12.25;
     66 d = "hello";
     67 
     68 function f4() { return d; }
     69 test("hello", f4);
     70 
     71 delete d;
     72 
     73 testThrows(f4);
     74