test262/test/language/class/subclass/default-constructor.js
Rick Waldron 5d11ec4b24 Import tests from Google V8 (Class syntax & semantics)
These tests are derived from the following files within the Google V8 project:

        test/mjsunit/harmony/class-computed-property-names-super.js
        test/mjsunit/harmony/class-property-name-eval-arguments.js
        test/mjsunit/harmony/classes-experimental.js
        test/mjsunit/harmony/classes-lazy-parsing.js
        test/mjsunit/harmony/classes.js
2015-03-06 10:44:37 -05:00

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JavaScript

// Copyright (C) Copyright 2014 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
es6id: 14.5
description: >
class default constructor
---*/
var calls = 0;
class Base {
constructor() {
calls++;
}
}
class Derived extends Base {}
var object = new Derived;
assert.sameValue(calls, 1, "The value of `calls` is `1`");
calls = 0;
assert.throws(TypeError, function() { Derived(); });
assert.sameValue(calls, 0, "The value of `calls` is `0`");