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1 // Copyright 2014 the V8 project authors. All rights reserved. | 1 // Copyright 2014 the V8 project authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 // | 4 // |
5 // Flags: --harmony-classes | 5 // Flags: --harmony-classes |
6 | 6 |
7 | 7 |
8 (function TestSuperNamedLoads() { | 8 (function TestSuperNamedLoads() { |
9 function Base() { } | 9 function Base() { } |
10 function Derived() { | 10 function Derived() { |
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1728 try { super[x] = 10; } catch(e) { ex = e; } | 1728 try { super[x] = 10; } catch(e) { ex = e; } |
1729 assertTrue(ex instanceof TypeError); | 1729 assertTrue(ex instanceof TypeError); |
1730 assertEquals(27, super[x]); | 1730 assertEquals(27, super[x]); |
1731 assertEquals(27, this[x]); | 1731 assertEquals(27, this[x]); |
1732 }.toMethod(Derived.prototype); | 1732 }.toMethod(Derived.prototype); |
1733 new Derived().mSloppy(); | 1733 new Derived().mSloppy(); |
1734 new Derived().mStrict(); | 1734 new Derived().mStrict(); |
1735 }()); | 1735 }()); |
1736 | 1736 |
1737 | 1737 |
| 1738 function Subclass(base, constructor) { |
| 1739 var homeObject = { |
| 1740 __proto__: base.prototype, |
| 1741 constructor: constructor |
| 1742 }; |
| 1743 constructor.__proto__ = base; |
| 1744 constructor.prototype = homeObject; |
| 1745 // not doing toMethod: home object is not required for |
| 1746 // super constructor calls. |
| 1747 return constructor; |
| 1748 } |
| 1749 |
1738 (function TestSuperCall() { | 1750 (function TestSuperCall() { |
1739 function Subclass(base, constructor) { | |
1740 var homeObject = { | |
1741 __proto__: base.prototype, | |
1742 constructor: constructor | |
1743 }; | |
1744 constructor.__proto__ = base; | |
1745 constructor.prototype = homeObject; | |
1746 // not doing toMethod: home object is not required for | |
1747 // super constructor calls. | |
1748 return constructor; | |
1749 } | |
1750 | |
1751 var baseCalled = 0; | 1751 var baseCalled = 0; |
1752 var derivedCalled = 0; | 1752 var derivedCalled = 0; |
1753 var derivedDerivedCalled = 0; | 1753 var derivedDerivedCalled = 0; |
1754 | 1754 |
1755 function Base() { | 1755 function Base() { |
1756 baseCalled++; | 1756 baseCalled++; |
1757 } | 1757 } |
1758 | 1758 |
1759 var Derived = Subclass(Base, function () { | 1759 var Derived = Subclass(Base, function () { |
1760 super(); | 1760 super(); |
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1812 } | 1812 } |
1813 F.__proto__ = G; | 1813 F.__proto__ = G; |
1814 new F(); | 1814 new F(); |
1815 assertEquals(1, calls); | 1815 assertEquals(1, calls); |
1816 F.__proto__ = function() {}; | 1816 F.__proto__ = function() {}; |
1817 new F(); | 1817 new F(); |
1818 assertEquals(1, calls); | 1818 assertEquals(1, calls); |
1819 }()); | 1819 }()); |
1820 | 1820 |
1821 | 1821 |
| 1822 (function TestNewSuper() { |
| 1823 var baseCalled = 0; |
| 1824 var derivedCalled = 0; |
| 1825 |
| 1826 function Base() { |
| 1827 baseCalled++; |
| 1828 this.x = 15; |
| 1829 } |
| 1830 |
| 1831 |
| 1832 var Derived = Subclass(Base, function() { |
| 1833 baseCalled = 0; |
| 1834 var b = new super(); |
| 1835 assertEquals(1, baseCalled) |
| 1836 assertEquals(Base.prototype, b.__proto__); |
| 1837 assertEquals(15, b.x); |
| 1838 assertEquals(undefined, this.x); |
| 1839 derivedCalled++; |
| 1840 }); |
| 1841 |
| 1842 derivedCalled = 0; |
| 1843 new Derived(); |
| 1844 assertEquals(1, derivedCalled); |
| 1845 }()); |
| 1846 |
| 1847 |
1822 (function TestSuperCallErrorCases() { | 1848 (function TestSuperCallErrorCases() { |
1823 function T() { | 1849 function T() { |
1824 super(); | 1850 super(); |
1825 } | 1851 } |
1826 T.__proto__ = null; | 1852 T.__proto__ = null; |
1827 // Spec says ReferenceError here, but for other IsCallable failures | 1853 // Spec says ReferenceError here, but for other IsCallable failures |
1828 // we throw TypeError. | 1854 // we throw TypeError. |
1829 // Filed https://bugs.ecmascript.org/show_bug.cgi?id=3282 | 1855 // Filed https://bugs.ecmascript.org/show_bug.cgi?id=3282 |
1830 assertThrows(function() { new T(); }, TypeError); | 1856 assertThrows(function() { new T(); }, TypeError); |
| 1857 |
| 1858 function T1() { |
| 1859 var b = new super(); |
| 1860 } |
| 1861 T1.__proto = null; |
| 1862 assertThrows(function() { new T1(); }, TypeError); |
1831 }()); | 1863 }()); |
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