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'use strict';
var fs = require('fs');
var assert = require('assert');
var path = require('path');
var cp = require('child_process');
var common = require('../common');
common.refreshTmpDir();
process.chdir(common.tmpDir);
var processor =
path.join(common.testDir, '..', 'tools', 'v8-prof', 'tick-processor.js');
// Unknown checked for to prevent flakiness, if pattern is not found,
// then a large number of unknown ticks should be present
runTest(/LazyCompile.*\[eval\]:1|.*% UNKNOWN/,
`function f() {
for (var i = 0; i < 1000000; i++) {
i++;
}
setImmediate(function() { f(); });
};
setTimeout(function() { process.exit(0); }, 2000);
f();`);
if (common.isWindows ||
common.isSunOS ||
common.isAix ||
common.isLinuxPPCBE ||
common.isFreeBSD) {
console.log('1..0 # Skipped: C++ symbols are not mapped for this os.');
return;
}
runTest(/RunInDebugContext/,
`function f() {
require(\'vm\').runInDebugContext(\'Debug\');
setImmediate(function() { f(); });
};
setTimeout(function() { process.exit(0); }, 2000);
f();`);
function runTest(pattern, code) {
cp.execFileSync(process.execPath, ['-prof', '-pe', code]);
var matches = fs.readdirSync(common.tmpDir).filter(function(file) {
return /^isolate-/.test(file);
});
if (matches.length != 1) {
assert.fail(null, null, 'There should be a single log file.');
}
var log = matches[0];
var out = cp.execSync(process.execPath + ' ' + processor +
' --call-graph-size=10 ' + log,
{encoding: 'utf8'});
assert(out.match(pattern));
fs.unlinkSync(log);
}