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'use strict';
/* eslint no-unused-vars: off */
function MemoryLeak () {
this.myArr = [];
for (var i = 0; i < 1000000; i++) {
this.myArr.push(i);
}
}
var numOfTests = 300;
for (var i = 0; i < numOfTests; i += 1) {
/*
* This Test suite will crash V8 due to:
* 'FATAL ERROR: CALL_AND_RETRY_LAST Allocation failed - process out of memory'
* if all the deferred functions references have not been cleared
*/
describe('Memory Leak Suite #' + i, function () {
// The <closureVar> variable will be accessed by the test below.
// As long as those test's functions are
// referenced in memory, the closure variable may not be garbage collected
// as it is still referenced.
// * In a chrome heap snapshot it will appear under "system / Context" (a scope)
var closureVar;
before(function () {
var x = closureVar ? 1 : 2;
});
after(function () {
var x = closureVar[0];
});
beforeEach(function () {
var x = closureVar ? 1 : 2;
});
afterEach(function () {
var x = closureVar[0];
});
it('access a variable via a closure', function () {
// slow performance on older node.js versions
this.timeout(1000);
closureVar = new MemoryLeak();
});
});
}
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