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testcase for gf3/sandbox
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| /* jslint esversion: 6, asi: true */ | |
| const Sandbox = require('sandbox') | |
| function testCallStack() { | |
| let stack | |
| Error.prepareStackTrace = (e, sb) => { stack = sb } | |
| void (new Error()).stack | |
| for (const fun of stack) { | |
| // if the thisobj isn't null and not an instance of Object, | |
| // it's from another context; same for function | |
| if ((fun.getThis() && !(fun.getThis() instanceof Object)) || | |
| (fun.getFunction() && !(fun.getFunction() instanceof Function))) { | |
| const res = `breakout on ${fun}` | |
| console.log(res) | |
| return res | |
| } | |
| } | |
| } | |
| function tryThrow() { | |
| function v() { | |
| const res = testCallStack(); | |
| if (res) return res; | |
| else throw x; /* try the error handler */ | |
| } | |
| let x = { | |
| get name() { return v(); }, | |
| get value() { return v(); } | |
| }; | |
| return v(); | |
| } | |
| function tryOutput() { | |
| function v() { | |
| const res = testCallStack(); | |
| if (res) return res; | |
| else tryThrow(); | |
| } | |
| return ({ | |
| toJSON() { | |
| return v(); | |
| } | |
| }) | |
| } | |
| void function() { | |
| const s = new Sandbox(); | |
| s.run(` | |
| ${testCallStack.toString()}; | |
| ${tryThrow.toString()}; | |
| tryThrow(); | |
| `) | |
| s.run(` | |
| ${testCallStack.toString()}; | |
| ${tryThrow.toString()}; | |
| ${tryOutput.toString()}; | |
| tryOutput(); | |
| `) | |
| }() |
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