v8/test/mjsunit/es6/proxies-constructor.js
Maya Lekova f2af839b19 [builtins] Port Proxy constructor to CSA.
Rename builtins-proxy.cc to builtins-proxy-gen.cc.

Bug: v8:6557, v8:6567
Change-Id: I0e52a0c0c6c9b307c33bb18ec36079bdfd4a89ef
Reviewed-on: https://chromium-review.googlesource.com/565278
Commit-Queue: Maya Lekova <mslekova@google.com>
Reviewed-by: Benedikt Meurer <bmeurer@chromium.org>
Cr-Commit-Position: refs/heads/master@{#46511}
2017-07-10 12:15:53 +00:00

97 lines
2.3 KiB
JavaScript

// Copyright 2017 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.
(function testNonObjectTargetTypes() {
assertThrows(function(){ new Proxy(undefined, {}); }, TypeError);
assertThrows(function(){ new Proxy(null, {}); }, TypeError);
assertThrows(function(){ new Proxy('', {}); }, TypeError);
assertThrows(function(){ new Proxy(0, {}); }, TypeError);
assertThrows(function(){ new Proxy(0.5, {}); }, TypeError);
assertThrows(function(){ new Proxy(false, {}); }, TypeError);
})();
(function testRevokedTarget() {
var revocable = Proxy.revocable({}, {});
revocable.revoke();
assertThrows(function(){ new Proxy(revocable.proxy, {}); }, TypeError);
})();
(function testNonObjectHandlerTypes() {
assertThrows(function(){ new Proxy({}, undefined); }, TypeError);
assertThrows(function(){ new Proxy({}, null); }, TypeError);
assertThrows(function(){ new Proxy({}, ''); }, TypeError);
assertThrows(function(){ new Proxy({}, 0); }, TypeError);
assertThrows(function(){ new Proxy({}, 0.5); }, TypeError);
assertThrows(function(){ new Proxy({}, false); }, TypeError);
})();
(function testRevokedHandler() {
var revocable = Proxy.revocable({}, {});
revocable.revoke();
assertThrows(function(){ new Proxy({}, revocable.proxy); }, TypeError);
})();
(function testConstructionWithoutArguments() {
assertThrows(function(){ new Proxy(); }, TypeError);
assertThrows(function(){ new Proxy(42); }, TypeError);
assertThrows(function(){ new Proxy({}); }, TypeError);
})();
(function testConstructionFromArray() {
var p = new Proxy([42], {});
assertTrue(p instanceof Array);
assertEquals(p[0], 42);
})();
(function testConstructionFromObject() {
var p = new Proxy({
prop: 42
}, {});
assertTrue(p instanceof Object);
assertEquals(p.prop, 42);
})();
(function testConstructionFromCallable() {
var p = new Proxy(() => { return 42; }, {});
assertTrue(p instanceof Function);
assertEquals(p(), 42);
})();
(function testConstructionFromConstructor() {
class foo {};
var p = new Proxy(foo, {});
assertTrue(p instanceof Function);
assertTrue(new p() instanceof foo);
})();
(function testConstructionFromProxy() {
var q = new Proxy({}, {});
var p = new Proxy(q, {});
assertTrue(p instanceof Object);
})();