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1 /* |
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2 * Any copyright is dedicated to the Public Domain. |
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3 * http://creativecommons.org/licenses/publicdomain/ |
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4 */ |
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5 |
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6 var gTestfile = 'arguments-caller-callee.js'; |
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7 var BUGNUMBER = 514563; |
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8 var summary = "arguments.caller and arguments.callee are poison pills in ES5"; |
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9 |
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10 print(BUGNUMBER + ": " + summary); |
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11 |
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12 /************** |
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13 * BEGIN TEST * |
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14 **************/ |
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15 |
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16 // behavior |
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17 |
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18 function expectTypeError(fun) |
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19 { |
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20 try |
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21 { |
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22 fun(); |
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23 throw new Error("didn't throw"); |
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24 } |
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25 catch (e) |
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26 { |
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27 assertEq(e instanceof TypeError, true, |
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28 "expected TypeError calling function" + |
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29 ("name" in fun ? " " + fun.name : "") + ", instead got: " + e); |
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30 } |
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31 } |
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32 |
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33 function bar() { "use strict"; return arguments; } |
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34 expectTypeError(function barCaller() { bar().caller; }); |
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35 expectTypeError(function barCallee() { bar().callee; }); |
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36 |
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37 function baz() { return arguments; } |
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38 assertEq(baz().callee, baz); |
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39 |
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40 |
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41 // accessor identity |
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42 |
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43 function strictMode() { "use strict"; return arguments; } |
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44 var canonicalTTE = Object.getOwnPropertyDescriptor(strictMode(), "caller").get; |
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45 |
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46 var args = strictMode(); |
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47 |
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48 var argsCaller = Object.getOwnPropertyDescriptor(args, "caller"); |
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49 assertEq("get" in argsCaller, true); |
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50 assertEq("set" in argsCaller, true); |
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51 assertEq(argsCaller.get, canonicalTTE); |
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52 assertEq(argsCaller.set, canonicalTTE); |
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53 |
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54 var argsCallee = Object.getOwnPropertyDescriptor(args, "callee"); |
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55 assertEq("get" in argsCallee, true); |
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56 assertEq("set" in argsCallee, true); |
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57 assertEq(argsCallee.get, canonicalTTE); |
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58 assertEq(argsCallee.set, canonicalTTE); |
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59 |
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60 |
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61 /******************************************************************************/ |
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62 |
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63 if (typeof reportCompare === "function") |
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64 reportCompare(true, true); |
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65 |
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66 print("All tests passed!"); |