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// Flags: --harmony-sloppy

description('Tests for ES6 class syntax default constructor');

class A { };
class B extends A { };

shouldBeTrue('new A instanceof A');
shouldThrow('A()', '"TypeError: Class constructor A cannot be invoked without \'new\'"');
shouldBeTrue('A.prototype.constructor instanceof Function');
shouldBe('A.prototype.constructor.name', '"A"');
shouldBeTrue('new B instanceof A; new B instanceof A');
shouldThrow('B()', '"TypeError: Class constructor B cannot be invoked without \'new\'"');
shouldBe('B.prototype.constructor.name', '"B"');
shouldBeTrue('A !== B');
shouldBeTrue('A.prototype.constructor !== B.prototype.constructor');
shouldBe('new (class extends (class { constructor(a, b) { return [a, b]; } }) {})(1, 2)', '[1, 2]');

var successfullyParsed = true;