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jerryscript.js
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jerryscript.js
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/*
* Node.js test runner for running data-*.js tests with JerryScript 'jerry' command.
*
* Reports discrepancies to console; fix them manually in data-*.js files.
* Expects 'jerry' to be already built. Example:
*
* $ node jerryscript.js /path/to/jerry [suitename]
*/
var fs = require('fs');
var child_process = require('child_process');
var console = require('console');
var testCount = 0;
var testSuccess = 0;
var testOutOfDate = 0;
var jerryCommand = process.argv[2];
var suites = process.argv.slice(3);
var environments = JSON.parse(fs.readFileSync('environments.json').toString());
// Key for .res (e.g. test.res.jerryscript1_0), automatic based on `jerry --version`.
var jerryKey = (function () {
var stdout = child_process.execFileSync(jerryCommand, [ '--version' ], {
encoding: 'utf-8'
});
var m = /^Version:\s+(\d)\.(\d)(?:\.(\d))?/.exec(stdout);
if (m) {
return 'jerryscript' + m[1] + '_' + m[2] + (m[3] ? '_' + m[3] : '');
}
throw new Error('Invalid JerryScript version');
})();
console.log('JerryScript result key is: test.res.' + jerryKey);
// jerryKey = "jerryscript2_3_0" // uncomment this line to test pre 2.3.0
// List of keys for inheriting results from previous versions.
var jerryKeyList = (function () {
var res = [];
for (var k in environments) {
var env = environments[k];
if (env.family !== 'JerryScript') {
continue;
}
res.push(k);
if (k === jerryKey) {
// Include versions up to 'jerryKey' but not newer.
break;
}
}
return res;
})();
console.log('JerryScript key list for inheriting results is:', jerryKeyList);
var createIterableHelper =
'var global = this;\n' +
'global.__createIterableObject = function (arr, methods) {\n' +
' methods = methods || {};\n' +
' if (typeof Symbol !== "function" || !Symbol.iterator)\n' +
' return {};\n' +
' arr.length++;\n' +
' var iterator = {\n' +
' next: function() {\n' +
' return { value: arr.shift(), done: arr.length <= 0 };\n' +
' },\n' +
' "return": methods["return"],\n' +
' "throw": methods["throw"]\n' +
' };\n' +
' var iterable = {};\n' +
' iterable[Symbol.iterator] = function(){ return iterator; };\n' +
' return iterable;\n' +
' };\n';
var asyncTestHelperHead =
'var asyncPassed = false;\n' +
'\n' +
'function asyncTestPassed() {\n' +
' asyncPassed = true;\n' +
'}\n' +
'\n' +
'function setTimeout(cb, time, ...cbarg) {\n' +
' if (!jobqueue[time]) {\n' +
' jobqueue[time] = [];\n' +
' }\n' +
' jobqueue[time].push({cb, cbarg});\n' +
'}\n' +
'\n' +
'var jobqueue = [];\n';
var asyncTestHelperTail =
'jobqueue.forEach(function(jobs) {\n' +
' for (var job of jobs) {\n' +
' job.cb(...job.cbarg);\n' +
' }\n' +
'});\n' +
'\n' +
'function onCloseAsyncCheck() {\n' +
' if (!asyncPassed) {\n' +
' print("Async[FAILURE]");\n' +
' throw "Async check failed";\n' +
' }\n' +
' print("[SUCCESS]");\n' +
'}\n';
// Run test / subtests, recursively. Report results, indicate data files
// which are out of date.
function runTest(parents, test, sublevel) {
var testPath = parents.join(' -> ') + ' -> ' + test.name;
if (typeof test.exec === 'function') {
var src = test.exec.toString();
var m = /^function\s*\w*\s*\(.*?\)\s*\{\s*\/\*([\s\S]*?)\*\/\s*\}$/m.exec(src);
var evalcode;
var processArgs = ['jerrytest.js'];
var script = '';
if (src.includes('__createIterableObject')) {
script += createIterableHelper;
} else if (src.includes('global')) {
script += 'var global = this;\n';
}
if (src.includes('asyncTestPassed')) {
script += asyncTestHelperHead + m[1] + asyncTestHelperTail;
processArgs.unshift('--call-on-exit','onCloseAsyncCheck');
} else {
if (m) {
evalcode = '(function test() {' + m[1] + '})();';
} else {
evalcode = '(' + src + ')()';
}
script += 'var evalcode = ' + JSON.stringify(evalcode) + ';\n' +
'try {\n' +
' var res = eval(evalcode);\n' +
' if (res !== true && res !== 1) { throw new Error("failed: " + res); }\n' +
' print("[SUCCESS]");\n' +
'} catch (e) {\n' +
' print("[FAILURE]", e);\n' +
' /*throw e;*/\n' +
'}\n';
}
fs.writeFileSync(processArgs[processArgs.length - 1], script);
var success = false;
try {
var stdout = child_process.execFileSync(jerryCommand, processArgs, {
encoding: 'utf-8'
});
//console.log(stdout);
if (/^\[SUCCESS\]$/gm.test(stdout)) {
success = true;
testSuccess++;
} else {
//console.log(stdout);
}
} catch (e) {
//console.log(e);
}
testCount++;
if (test.res) {
// Take expected result from newest JerryScript version not newer
// than current version.
var expect = void 0;
jerryKeyList.forEach(function (k) {
if (test.res[k] !== void 0) {
expect = test.res[k];
}
});
if (expect === success) {
// Matches.
} else if (expect === void 0 && !success) {
testOutOfDate++;
console.log(testPath + ': test result missing, res: ' + expect + ', actual: ' + success);
} else {
testOutOfDate++;
console.log(testPath + ': test result out of date, res: ' + expect + ', actual: ' + success);
}
} else {
testOutOfDate++;
console.log(testPath + ': test.res missing');
}
}
if (test.subtests) {
var newParents = parents.slice(0);
newParents.push(test.name);
test.subtests.forEach(function (v) { runTest(newParents, v, sublevel + 1); });
}
}
fs.readdirSync('.').forEach(function (filename) {
var m = /^data-(.*)\.js$/.exec(filename);
if (!m) {
return;
}
var suitename = m[1];
if (suites.length != 0 && !suites.includes(suitename)) {
return;
}
console.log('');
console.log('**** ' + suitename + ' ****');
console.log('');
var testsuite = require('./data-' + suitename + '.js');
testsuite.tests.forEach(function (v) { runTest([ suitename ], v, 0); });
});
console.log(testCount + ' tests executed: ' + testSuccess + ' success, ' + (testCount - testSuccess) + ' fail');
console.log(testOutOfDate + ' tests are out of date (data-*.js file .res)');