1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/js/src/jit-test/tests/gc/bug-886630.js Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,112 @@
1.4 +function errorToString(e) {
1.5 + try {} catch (e2) {}
1.6 +}
1.7 +Object.getOwnPropertyNames(this);
1.8 +if (false) {
1.9 + for (let x of constructors)
1.10 + print(x);
1.11 +}
1.12 +var tryRunning = tryRunningDirectly;
1.13 +function unlikelyToHang(code) {
1.14 + var codeL = code.replace(/\s/g, " ");
1.15 + 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); }
1.16 + && !(codeL.match(/for.*const/)) // can be an infinite loop: for each(x in ...); const x;
1.17 + && !(codeL.match(/for.*in.*uneval/)) // can be slow to loop through the huge string uneval(this), for example
1.18 + && !(codeL.match(/for.*for.*for/)) // nested for loops (including for..in, array comprehensions, etc) can take a while
1.19 + && !(codeL.match(/for.*for.*gc/))
1.20 +}
1.21 +function whatToTestSpidermonkeyTrunk(code) {
1.22 + var codeL = code.replace(/\s/g, " ");
1.23 + return {
1.24 + allowParse: true,
1.25 + allowExec: unlikelyToHang(code),
1.26 + allowIter: true,
1.27 + expectConsistentOutput: true && code.indexOf("Date") == -1 // time marches on
1.28 + && code.indexOf("random") == -1 && code.indexOf("dumpObject") == -1 // shows heap addresses
1.29 + && code.indexOf("oomAfterAllocations") == -1 && code.indexOf("ParallelArray") == -1,
1.30 + expectConsistentOutputAcrossIter: true && code.indexOf("options") == -1 // options() is per-cx, and the js shell doesn't create a new cx for each sandbox/compartment
1.31 + ,
1.32 + expectConsistentOutputAcrossJITs: true && code.indexOf("'strict") == -1 // bug 743425
1.33 + && code.indexOf("preventExtensions") == -1 // bug 887521
1.34 + && !(codeL.match(/\/.*[\u0000\u0080-\uffff]/)) // doesn't stay valid utf-8 after going through python (?)
1.35 + };
1.36 +}
1.37 +function tryRunningDirectly(f, code, wtt) {
1.38 + try {
1.39 + eval(code);
1.40 + } catch (e) {}
1.41 + try {
1.42 + var rv = f();
1.43 + tryIteration(rv);
1.44 + } catch (runError) {
1.45 + var err = errorToString(runError);
1.46 + }
1.47 + tryEnsureSanity();
1.48 +}
1.49 +var realEval = eval;
1.50 +var realMath = Math;
1.51 +var realFunction = Function;
1.52 +var realGC = gc;
1.53 +var realUneval = uneval;
1.54 +function tryEnsureSanity() {
1.55 + try {
1.56 + delete this.Math;
1.57 + delete this.Function;
1.58 + delete this.gc;
1.59 + delete this.uneval;
1.60 + this.Math = realMath;
1.61 + this.eval = realEval;
1.62 + this.Function = realFunction;
1.63 + this.gc = realGC;
1.64 + this.uneval = realUneval;
1.65 + } catch (e) {}
1.66 +}
1.67 +function tryIteration(rv) {
1.68 + try {
1.69 + var iterCount = 0;
1.70 + for /* each */
1.71 + ( /* let */ iterValue in rv)
1.72 + print("Iterating succeeded, iterCount == " + iterCount);
1.73 + } catch (iterError) {}
1.74 +}
1.75 +function failsToCompileInTry(code) {
1.76 + try {
1.77 + new Function(" try { " + code + " } catch(e) { }");
1.78 + } catch (e) {}
1.79 +}
1.80 +function tryItOut(code) {
1.81 + if (count % 1000 == 0) {
1.82 + gc();
1.83 + }
1.84 + var wtt = whatToTestSpidermonkeyTrunk(code);
1.85 + code = code.replace(/\/\*DUPTRY\d+\*\//, function(k) {
1.86 + var n = parseInt(k.substr(8), 10);
1.87 + print(n);
1.88 + return strTimes("try{}catch(e){}", n);
1.89 + })
1.90 + try {
1.91 + f = new Function(code);
1.92 + } catch (compileError) {}
1.93 + 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) {
1.94 + var nCode = code;
1.95 + if (nCode.indexOf("return") != -1 || nCode.indexOf("yield") != -1 || nCode.indexOf("const") != -1 || failsToCompileInTry(nCode)) nCode = "(function(){" + nCode + "})()"
1.96 + }
1.97 + tryRunning(f, code, false);
1.98 +}
1.99 +var count = 0;
1.100 +tryItOut("");
1.101 +count = 2
1.102 +tryItOut("");
1.103 +tryItOut("");
1.104 +tryItOut("o")
1.105 +tryItOut("")
1.106 +tryItOut("")
1.107 +tryItOut("\
1.108 + with((/ /-7))\
1.109 + {\
1.110 + for(let mjcpxc=0;mjcpxc<9;++mjcpxc)\
1.111 + {\
1.112 + e=mjcpxc;\
1.113 + yield/x/\
1.114 + }}")
1.115 +
