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1 function Person(){} |
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2 function Ninja(){} |
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3 Ninja.prototype = new Person(); |
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4 function House(){} |
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5 |
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6 var empty = {}; |
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7 var person = new Person(); |
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8 var ninja = new Ninja(); |
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9 var house = new House(); |
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10 var string = new String(); |
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11 var bindNinja = Ninja.bind({}); |
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12 |
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13 var array = {}; |
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14 array.__proto__ = Array.prototype; |
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15 var array2 = {}; |
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16 array2.__proto__ = array.prototype; |
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17 |
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18 function test(v, v2) { |
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19 return v instanceof v2; |
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20 } |
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21 function test2(v, v2) { |
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22 return v instanceof v2; |
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23 } |
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24 function test3(v, v2) { |
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25 return v instanceof v2; |
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26 } |
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27 function test4(v, v2) { |
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28 return v instanceof v2; |
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29 } |
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30 |
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31 // Test if specialized for object works |
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32 for (var i=0; i!=41; i++) { |
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33 assertEq(test(person, Person), true); |
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34 assertEq(test(empty, Person), false); |
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35 assertEq(test(ninja, Person), true); |
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36 assertEq(test(house, Person), false); |
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37 assertEq(test(string, Person), false); |
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38 assertEq(test(new bindNinja(), Person), true); |
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39 assertEq(test(new Ninja(), bindNinja), true); |
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40 assertEq(test(string, String), true); |
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41 assertEq(test(array, Array), true); |
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42 assertEq(test(empty, Object), true); |
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43 |
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44 // Test if bailout works |
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45 assertEq(test(0.1, Object), false); |
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46 |
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47 // Should generate TypeError |
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48 var err = false; |
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49 try { |
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50 test(0.1, 5); |
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51 } catch (e) { err = true; } |
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52 assertEq(err, true); |
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53 |
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54 // Should generate TypeError |
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55 var err = false; |
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56 try { |
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57 test(empty, empty); |
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58 } catch (e) { err = true; } |
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59 assertEq(err, true); |
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60 |
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61 // Should generate TypeError |
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62 var err = false; |
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63 try { |
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64 test(5.0, empty); |
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65 } catch (e) { err = true; } |
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66 assertEq(err, true); |
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67 } |
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68 |
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69 // Test if specialized for non-object lhs |
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70 for (var i=0; i!=41; i++) { |
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71 assertEq(test2(0.1, Object), false); |
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72 } |
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73 |
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74 // Check if we don't regress on https://bugzilla.mozilla.org/show_bug.cgi?id=7635 |
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75 function Foo() {}; |
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76 theproto = {}; |
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77 Foo.prototype = theproto; |
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78 |
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79 for (var i=0; i!=41; i++) { |
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80 assertEq(test3(theproto, Foo), false); |
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81 } |
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82 |