trycatch_loader.js 1.33 KB
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// Copyright 2018 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.


// Wrapper loading javascript tests passed as arguments used by gc fuzzer.
// It ignores all exceptions and run tests in a separate namespaces.
//
// It can't prevent %AbortJS function from aborting execution, so it should be
// used with d8's --disable-abortjs flag to ignore all possible errors inside
// tests.
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// We use -- as an additional separator for test preamble files and test files.
// The preamble files (before --) will be loaded in each realm before each
// test.
var separator = arguments.indexOf("--")
var preamble = arguments.slice(0, separator)
var tests = arguments.slice(separator + 1)

var preambleString = ""
for (let jstest of preamble) {
  preambleString += "load(\"" + jstest + "\");"
}

for (let jstest of tests) {
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  print("Loading " + jstest);
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  let start = performance.now();
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  // anonymous function to not populate global namespace.
  (function () {
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    let realm = Realm.create();
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    try {
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      Realm.eval(realm, preambleString + "load(\"" + jstest + "\");");
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    } catch (err) {
      // ignore all errors
    }
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    Realm.dispose(realm);
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  })();
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  let durationSec = ((performance.now() - start) / 1000.0).toFixed(2);
  print("Duration " + durationSec + "s");
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}