LayoutTests/js/script-tests/arrowfunction-tdz.js

description('Tests for ES6 arrow function test tdz');

var A = class A {
  constructor() {
    this.id = 'a';
  }
};

var B = class B extends A {
  constructor(accessThisBeforeSuper) {
    var f = () => this;
    if (accessThisBeforeSuper) {
      f();
      super();
    } else {
      super();
      f();
    }
  }
};

var isReferenceError = false;
try {
     new B(true);
} catch (e) {
    isReferenceError = e instanceof ReferenceError;
}

shouldBe('isReferenceError', 'true');

var a = new B(false);

var D = class D extends A {
  constructor(accessThisBeforeSuper, returnThis) {
    var f = () => returnThis ? this : {};
    if (accessThisBeforeSuper) {
      let val = f();
      super();
    } else {
      super();
      let val = f();
    }
  }
};

isReferenceError = false;
try {
      new D(true, true);
} catch (e) {
      isReferenceError = e instanceof ReferenceError;
}

shouldBe('isReferenceError', 'true');

var d = new D(false, true);
shouldBe('d.id', "'a'");
var e = new D(false, false);
shouldBe('e.id', "'a'");
var f = new D(true, false);
shouldBe('f.id', "'a'");

var G = class G extends A {
  constructor(accessThisBeforeSuper, returnThis) {
    var f = () => returnThis ? (() => this ) : (()=>{});
    let af = f();
    if (accessThisBeforeSuper) {
      let result = af();
      super();
    } else {
      super();
      let result = af();
    }
  }
};

try {
      new G(true, true);
} catch (e) {
    exception = e;
    isReferenceError = e instanceof ReferenceError;
}

shouldBe('isReferenceError', 'true');

var g = new G(false, true);
shouldBe('g.id', "'a'");
var h = new G(false, false);
shouldBe('h.id', "'a'");
var i = new G(true, false);
shouldBe('i.id', "'a'");

var successfullyParsed = true;