0fbf170821
Spec: https://tc39.github.io/ecma262/#sec-proxy-constructor Bug: v8:6664 Change-Id: Ia8b5ed75841d813babd1db4743c3bb9d25658b51 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1553007 Reviewed-by: Jakob Gruber <jgruber@chromium.org> Reviewed-by: Maya Lekova <mslekova@chromium.org> Commit-Queue: Z Nguyen-Huu <duongn@microsoft.com> Cr-Commit-Position: refs/heads/master@{#60892}
101 lines
2.5 KiB
JavaScript
101 lines
2.5 KiB
JavaScript
// Copyright 2017 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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(function testNewTarget() {
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assertThrows(function(){ Proxy({}, {}); }, TypeError);
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assertDoesNotThrow(function(){ new Proxy({}, {}); });
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})();
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(function testNonObjectTargetTypes() {
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assertThrows(function(){ new Proxy(undefined, {}); }, TypeError);
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assertThrows(function(){ new Proxy(null, {}); }, TypeError);
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assertThrows(function(){ new Proxy('', {}); }, TypeError);
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assertThrows(function(){ new Proxy(0, {}); }, TypeError);
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assertThrows(function(){ new Proxy(0.5, {}); }, TypeError);
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assertThrows(function(){ new Proxy(false, {}); }, TypeError);
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})();
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(function testRevokedTarget() {
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var revocable = Proxy.revocable({}, {});
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revocable.revoke();
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assertThrows(function(){ new Proxy(revocable.proxy, {}); }, TypeError);
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})();
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(function testNonObjectHandlerTypes() {
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assertThrows(function(){ new Proxy({}, undefined); }, TypeError);
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assertThrows(function(){ new Proxy({}, null); }, TypeError);
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assertThrows(function(){ new Proxy({}, ''); }, TypeError);
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assertThrows(function(){ new Proxy({}, 0); }, TypeError);
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assertThrows(function(){ new Proxy({}, 0.5); }, TypeError);
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assertThrows(function(){ new Proxy({}, false); }, TypeError);
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})();
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(function testRevokedHandler() {
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var revocable = Proxy.revocable({}, {});
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revocable.revoke();
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assertThrows(function(){ new Proxy({}, revocable.proxy); }, TypeError);
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})();
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(function testConstructionWithoutArguments() {
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assertThrows(function(){ new Proxy(); }, TypeError);
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assertThrows(function(){ new Proxy(42); }, TypeError);
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assertThrows(function(){ new Proxy({}); }, TypeError);
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})();
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(function testConstructionFromArray() {
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var p = new Proxy([42], {});
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assertTrue(p instanceof Array);
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assertEquals(p[0], 42);
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})();
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(function testConstructionFromObject() {
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var p = new Proxy({
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prop: 42
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}, {});
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assertTrue(p instanceof Object);
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assertEquals(p.prop, 42);
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})();
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(function testConstructionFromCallable() {
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var p = new Proxy(() => { return 42; }, {});
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assertTrue(p instanceof Function);
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assertEquals(p(), 42);
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})();
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(function testConstructionFromConstructor() {
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class foo {};
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var p = new Proxy(foo, {});
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assertTrue(p instanceof Function);
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assertTrue(new p() instanceof foo);
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})();
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(function testConstructionFromProxy() {
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var q = new Proxy({}, {});
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var p = new Proxy(q, {});
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assertTrue(p instanceof Object);
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})();
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