node/test/pummel/test-smalloc-alloc-segfault.js
isaacs 3e1b1dd4a9 Remove excessive copyright/license boilerplate
The copyright and license notice is already in the LICENSE file.  There
is no justifiable reason to also require that it be included in every
file, since the individual files are not individually distributed except
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2015-01-12 15:30:28 -08:00

35 lines
855 B
JavaScript

var common = require('../common');
var assert = require('assert');
var spawn = require('child_process').spawn;
var alloc = process.binding('smalloc').alloc;
// child
if (process.argv[2] === 'child') {
// test that many allocations won't cause early ones to free prematurely
// note: if memory frees prematurely then reading out the values will cause
// it to seg fault
var arr = [];
for (var i = 0; i < 1e4; i++) {
arr.push(alloc({}, 1));
alloc({}, 1024);
if (i % 10 === 0) gc();
}
var sum = 0;
for (var i = 0; i < 1e4; i++) {
sum += arr[i][0];
arr[i][0] = sum;
}
} else {
// test case
var child = spawn(process.execPath,
['--expose_gc', __filename, 'child']);
child.on('exit', function(code, signal) {
assert.equal(code, 0, signal);
console.log('alloc didn\'t segfault');
});
}