testing/resources/javascript/constructor.in

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function testIllegalConstructor(name, allowed) {
  const constructorString = name + ".constructor";
  let constructor;
  try {
    constructor = eval(constructorString);
  } catch (e) {
    app.alert("FAIL: No such " + constructorString);
    return;
  }
  try {
    constructor();
    app.alert("FAIL: " + constructorString + "(): returned");
  } catch (e) {
    app.alert("PASS: " + constructorString + "(): " + e);
  }
  try {
    new constructor;
    app.alert("FAIL: new " + constructorString + ": returned");
  } catch (e) {
    app.alert("PASS: new " + constructorString + ": " + e);
  }
}
testIllegalConstructor("this");
testIllegalConstructor("app");
testIllegalConstructor("event");
testIllegalConstructor("font");
testIllegalConstructor("global");
testIllegalConstructor("util");
testIllegalConstructor("style");
testIllegalConstructor("color");
testIllegalConstructor("border");
testIllegalConstructor("display");
testIllegalConstructor("console");
testIllegalConstructor("position");
testIllegalConstructor("highlight");
testIllegalConstructor("zoomtype");
testIllegalConstructor("scaleHow");
testIllegalConstructor("scaleWhen");
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