The Tor Browser / file comparison
comparison: js/src/jit-test/tests/gc/bug-886630.js
js/src/jit-test/tests/gc/bug-886630.js
- branch
- TOR_BUG_3246
- changeset 7
- 129ffea94266
equal
deleted
inserted
replaced
| -1:000000000000 | 0:5c3fb9806d8b |
|---|---|
| 1 function errorToString(e) { | |
| 2 try {} catch (e2) {} | |
| 3 } | |
| 4 Object.getOwnPropertyNames(this); | |
| 5 if (false) { | |
| 6 for (let x of constructors) | |
| 7 print(x); | |
| 8 } | |
| 9 var tryRunning = tryRunningDirectly; | |
| 10 function unlikelyToHang(code) { | |
| 11 var codeL = code.replace(/\s/g, " "); | |
| 12 return true && code.indexOf("infloop") == -1 && !(codeL.match(/const.*for/)) // can be an infinite loop: function() { const x = 1; for each(x in ({a1:1})) dumpln(3); } | |
| 13 && !(codeL.match(/for.*const/)) // can be an infinite loop: for each(x in ...); const x; | |
| 14 && !(codeL.match(/for.*in.*uneval/)) // can be slow to loop through the huge string uneval(this), for example | |
| 15 && !(codeL.match(/for.*for.*for/)) // nested for loops (including for..in, array comprehensions, etc) can take a while | |
| 16 && !(codeL.match(/for.*for.*gc/)) | |
| 17 } | |
| 18 function whatToTestSpidermonkeyTrunk(code) { | |
| 19 var codeL = code.replace(/\s/g, " "); | |
| 20 return { | |
| 21 allowParse: true, | |
| 22 allowExec: unlikelyToHang(code), | |
| 23 allowIter: true, | |
| 24 expectConsistentOutput: true && code.indexOf("Date") == -1 // time marches on | |
| 25 && code.indexOf("random") == -1 && code.indexOf("dumpObject") == -1 // shows heap addresses | |
| 26 && code.indexOf("oomAfterAllocations") == -1 && code.indexOf("ParallelArray") == -1, | |
| 27 expectConsistentOutputAcrossIter: true && code.indexOf("options") == -1 // options() is per-cx, and the js shell doesn't create a new cx for each sandbox/compartment | |
| 28 , | |
| 29 expectConsistentOutputAcrossJITs: true && code.indexOf("'strict") == -1 // bug 743425 | |
| 30 && code.indexOf("preventExtensions") == -1 // bug 887521 | |
| 31 && !(codeL.match(/\/.*[\u0000\u0080-\uffff]/)) // doesn't stay valid utf-8 after going through python (?) | |
| 32 }; | |
| 33 } | |
| 34 function tryRunningDirectly(f, code, wtt) { | |
| 35 try { | |
| 36 eval(code); | |
| 37 } catch (e) {} | |
| 38 try { | |
| 39 var rv = f(); | |
| 40 tryIteration(rv); | |
| 41 } catch (runError) { | |
| 42 var err = errorToString(runError); | |
| 43 } | |
| 44 tryEnsureSanity(); | |
| 45 } | |
| 46 var realEval = eval; | |
| 47 var realMath = Math; | |
| 48 var realFunction = Function; | |
| 49 var realGC = gc; | |
| 50 var realUneval = uneval; | |
| 51 function tryEnsureSanity() { | |
| 52 try { | |
| 53 delete this.Math; | |
| 54 delete this.Function; | |
| 55 delete this.gc; | |
| 56 delete this.uneval; | |
| 57 this.Math = realMath; | |
| 58 this.eval = realEval; | |
| 59 this.Function = realFunction; | |
| 60 this.gc = realGC; | |
| 61 this.uneval = realUneval; | |
| 62 } catch (e) {} | |
| 63 } | |
| 64 function tryIteration(rv) { | |
| 65 try { | |
| 66 var iterCount = 0; | |
| 67 for /* each */ | |
| 68 ( /* let */ iterValue in rv) | |
| 69 print("Iterating succeeded, iterCount == " + iterCount); | |
| 70 } catch (iterError) {} | |
| 71 } | |
| 72 function failsToCompileInTry(code) { | |
| 73 try { | |
| 74 new Function(" try { " + code + " } catch(e) { }"); | |
| 75 } catch (e) {} | |
| 76 } | |
| 77 function tryItOut(code) { | |
| 78 if (count % 1000 == 0) { | |
| 79 gc(); | |
| 80 } | |
| 81 var wtt = whatToTestSpidermonkeyTrunk(code); | |
| 82 code = code.replace(/\/\*DUPTRY\d+\*\//, function(k) { | |
| 83 var n = parseInt(k.substr(8), 10); | |
| 84 print(n); | |
| 85 return strTimes("try{}catch(e){}", n); | |
| 86 }) | |
| 87 try { | |
| 88 f = new Function(code); | |
| 89 } catch (compileError) {} | |
| 90 if (code.indexOf("\n") == -1 && code.indexOf("\r") == -1 && code.indexOf("\f") == -1 && code.indexOf("\0") == -1 && code.indexOf("\u2028") == -1 && code.indexOf("\u2029") == -1 && code.indexOf("<--") == -1 && code.indexOf("-->") == -1 && code.indexOf("//") == -1) { | |
| 91 var nCode = code; | |
| 92 if (nCode.indexOf("return") != -1 || nCode.indexOf("yield") != -1 || nCode.indexOf("const") != -1 || failsToCompileInTry(nCode)) nCode = "(function(){" + nCode + "})()" | |
| 93 } | |
| 94 tryRunning(f, code, false); | |
| 95 } | |
| 96 var count = 0; | |
| 97 tryItOut(""); | |
| 98 count = 2 | |
| 99 tryItOut(""); | |
| 100 tryItOut(""); | |
| 101 tryItOut("o") | |
| 102 tryItOut("") | |
| 103 tryItOut("") | |
| 104 tryItOut("\ | |
| 105 with((/ /-7))\ | |
| 106 {\ | |
| 107 for(let mjcpxc=0;mjcpxc<9;++mjcpxc)\ | |
| 108 {\ | |
| 109 e=mjcpxc;\ | |
| 110 yield/x/\ | |
| 111 }}") | |
| 112 |
