| description( |
| "This tests that we can correctly call Function.prototype.apply" |
| ); |
| |
| var myObject = { apply: function() { return [myObject, "myObject.apply"] } }; |
| var myFunction = function (arg1) { |
| return [this, "myFunction", arg1]; |
| }; |
| var myFunctionWithApply = function (arg1) { |
| return [this, "myFunctionWithApply", arg1]; |
| }; |
| |
| function forwarder(f, thisValue, args) { |
| function g() { |
| return f.apply(thisValue, arguments); |
| } |
| return g.apply(null, args); |
| } |
| function recurseArguments() { |
| recurseArguments.apply(null, arguments); |
| } |
| |
| myFunctionWithApply.apply = function (arg1) { return [this, "myFunctionWithApply.apply", arg1] }; |
| Function.prototype.aliasedApply = Function.prototype.apply; |
| var arg1Array = ['arg1']; |
| |
| shouldBe("myObject.apply()", '[myObject, "myObject.apply"]'); |
| shouldBe("forwarder(myObject)", '[myObject, "myObject.apply"]'); |
| shouldBe("myFunction('arg1')", '[this, "myFunction", "arg1"]'); |
| shouldBe("forwarder(myFunction, null, ['arg1'])", '[this, "myFunction", "arg1"]'); |
| shouldBe("myFunction.apply(myObject, ['arg1'])", '[myObject, "myFunction", "arg1"]'); |
| shouldBe("myFunction.apply(myObject, arg1Array)", '[myObject, "myFunction", "arg1"]'); |
| shouldBe("forwarder(myFunction, myObject, arg1Array)", '[myObject, "myFunction", "arg1"]'); |
| shouldBe("myFunction.apply()", '[this, "myFunction", undefined]'); |
| shouldBe("myFunction.apply(null)", '[this, "myFunction", undefined]'); |
| shouldBe("myFunction.apply(undefined)", '[this, "myFunction", undefined]'); |
| shouldBe("myFunction.aliasedApply(myObject, ['arg1'])", '[myObject, "myFunction", "arg1"]'); |
| shouldBe("myFunction.aliasedApply()", '[this, "myFunction", undefined]'); |
| shouldBe("myFunction.aliasedApply(null)", '[this, "myFunction", undefined]'); |
| shouldBe("myFunction.aliasedApply(undefined)", '[this, "myFunction", undefined]'); |
| shouldBe("myFunctionWithApply.apply(myObject, ['arg1'])", '[myFunctionWithApply, "myFunctionWithApply.apply", myObject]'); |
| shouldBe("myFunctionWithApply.aliasedApply(myObject, ['arg1'])", '[myObject, "myFunctionWithApply", "arg1"]'); |
| shouldBe("myFunctionWithApply.apply(myObject, arg1Array)", '[myFunctionWithApply, "myFunctionWithApply.apply", myObject]'); |
| shouldBe("forwarder(myFunctionWithApply, myObject, arg1Array)", '[myFunctionWithApply, "myFunctionWithApply.apply", myObject]'); |
| shouldBe("myFunctionWithApply.aliasedApply(myObject, arg1Array)", '[myObject, "myFunctionWithApply", "arg1"]'); |
| |
| // Let's make sure that shouldThrow() is compiled before we do crazy. |
| shouldThrow("throw 42"); |
| |
| function stackOverflowTest() { |
| try { |
| var a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p,q,r,s,t,u,v,w,x,y,z; |
| stackOverflowTest(); |
| } catch(e) { |
| // Blow the stack with a sparse array |
| shouldThrow("myFunction.apply(null, new Array(5000000))"); |
| // Blow the stack with a sparse array that is sufficiently large to cause int overflow |
| shouldThrow("myFunction.apply(null, new Array(1 << 30))"); |
| } |
| } |
| stackOverflowTest(); |
| |
| // Blow the stack recursing with arguments |
| shouldThrow("recurseArguments.apply(null, new Array(50000))"); |