ce43feb566
Normative spec change: https://github.com/tc39/ecma262/pull/1814 Bug: v8:10382 Change-Id: Ib17ece9f0c8f75702c828b5336e75cab5d173e5e Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2163876 Commit-Queue: Shu-yu Guo <syg@chromium.org> Reviewed-by: Marja Hölttä <marja@chromium.org> Cr-Commit-Position: refs/heads/master@{#67376}
85 lines
2.1 KiB
JavaScript
85 lines
2.1 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 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 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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