mirror of https://github.com/tc39/test262.git
88 lines
2.1 KiB
JavaScript
88 lines
2.1 KiB
JavaScript
// Copyright (C) 2014 the V8 project authors. All rights reserved.
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// This code is governed by the BSD license found in the LICENSE file.
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/*---
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es6id: 14.5
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description: >
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class this access restriction 2
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---*/
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class Base {
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constructor(a, b) {
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var o = new Object();
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o.prp = a + b;
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return o;
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}
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}
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class Subclass extends Base {
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constructor(a, b) {
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var exn;
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try {
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this.prp1 = 3;
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} catch (e) {
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exn = e;
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}
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assert.sameValue(
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exn instanceof ReferenceError,
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true,
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"The result of `exn instanceof ReferenceError` is `true`"
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);
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super(a, b);
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assert.sameValue(this.prp, a + b, "The value of `this.prp` is `a + b`");
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assert.sameValue(this.prp1, undefined, "The value of `this.prp1` is `undefined`");
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assert.sameValue(
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this.hasOwnProperty("prp1"),
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false,
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"`this.hasOwnProperty(\"prp1\")` returns `false`"
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);
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return this;
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}
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}
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var b = new Base(1, 2);
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assert.sameValue(b.prp, 3, "The value of `b.prp` is `3`");
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var s = new Subclass(2, -1);
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assert.sameValue(s.prp, 1, "The value of `s.prp` is `1`");
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assert.sameValue(s.prp1, undefined, "The value of `s.prp1` is `undefined`");
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assert.sameValue(
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s.hasOwnProperty("prp1"),
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false,
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"`s.hasOwnProperty(\"prp1\")` returns `false`"
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);
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class Subclass2 extends Base {
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constructor(x) {
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super(1,2);
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if (x < 0) return;
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var called = false;
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function tmp() { called = true; return 3; }
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var exn = null;
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try {
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super(tmp(),4);
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} catch (e) { exn = e; }
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assert.sameValue(
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exn instanceof ReferenceError,
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true,
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"The result of `exn instanceof ReferenceError` is `true`"
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);
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assert.sameValue(called, true, "The value of `called` is `true`");
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}
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}
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var s2 = new Subclass2(1);
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assert.sameValue(s2.prp, 3, "The value of `s2.prp` is `3`");
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var s3 = new Subclass2(-1);
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assert.sameValue(s3.prp, 3, "The value of `s3.prp` is `3`");
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assert.throws(TypeError, function() { Subclass.call(new Object(), 1, 2); });
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assert.throws(TypeError, function() { Base.call(new Object(), 1, 2); });
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class BadSubclass extends Base {
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constructor() {}
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}
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assert.throws(ReferenceError, function() { new BadSubclass(); }); |