var Fiber = require('fibers');
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// Calculate how far we can go recurse without hitting the JS stack limit
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function calculateStackSpace() {
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var max = 0;
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function testRecursion(ii) {
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++max;
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testRecursion(ii + 1);
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}
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try {
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testRecursion();
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} catch (err) {}
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return max;
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}
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// Invoke a RepExp operation that eats a lot of stack space
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function pathologicRegExp(preStack) {
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function fn() {
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var foo = '';
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for (var ii = 0; ii < 1024; ++ii) {
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foo += 'a';
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}
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new RegExp(foo, 'g');
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}
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// Recurse to the limit and then invoke a stack-heavy C++ operation
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function wasteStack(ii) {
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ii ? wasteStack(ii - 1) : fn();
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}
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wasteStack(preStack);
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}
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Fiber(function() {
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// Ensure that this doesn't ruin everything while in a fiber
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var max = calculateStackSpace();
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for (var stack = max; stack > 0; --stack) {
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try {
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pathologicRegExp(stack);
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break;
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} catch (err) {}
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}
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}).run();
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console.log('pass');
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