v8/test/mjsunit/harmony/class-computed-property-names-super.js

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// Copyright 2014 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// Flags: --harmony-computed-property-names --harmony-sloppy
// Flags: --harmony-classes --allow-natives-syntax
function ID(x) {
return x;
}
(function TestComputedMethodSuper() {
class Base {
m() {
return ' base m';
}
}
class Derived extends Base {
['a']() { return 'a' + super.m(); }
[ID('b')]() { return 'b' + super.m(); }
[0]() { return '0' + super.m(); }
[ID(1)]() { return '1' + super.m(); }
}
assertSame(Derived.prototype, Derived.prototype.a[%HomeObjectSymbol()]);
assertEquals('a base m', new Derived().a());
assertEquals('b base m', new Derived().b());
assertEquals('0 base m', new Derived()[0]());
assertEquals('1 base m', new Derived()[1]());
})();
(function TestComputedGetterSuper() {
class Base {
m() {
return ' base m';
}
}
class Derived extends Base {
get ['a']() { return 'a' + super.m(); }
get [ID('b')]() { return 'b' + super.m(); }
get [0]() { return '0' + super.m(); }
get [ID(1)]() { return '1' + super.m(); }
}
assertEquals('a base m', new Derived().a);
assertEquals('b base m', new Derived().b);
assertEquals('0 base m', new Derived()[0]);
assertEquals('1 base m', new Derived()[1]);
})();
(function TestComputedSetterSuper() {
var value;
class Base {
m(name, v) {
value = name + ' ' + v;
}
}
class Derived extends Base {
set ['a'](v) { super.m('a', v); }
set [ID('b')](v) { super.m('b', v); }
set [0](v) { super.m('0', v); }
set [ID(1)](v) { super.m('1', v); }
}
new Derived().a = 2;
assertEquals('a 2', value);
new Derived().b = 3;
assertEquals('b 3', value);
new Derived()[0] = 4;
assertEquals('0 4', value);
new Derived()[1] = 5;
assertEquals('1 5', value);
})();