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9b4bf7de6c
PR-URL: https://github.com/nodejs/node/pull/23423 Reviewed-By: Colin Ihrig <cjihrig@gmail.com> Reviewed-By: Gus Caplan <me@gus.host> Reviewed-By: Myles Borins <myles.borins@gmail.com>
106 lines
2.6 KiB
JavaScript
106 lines
2.6 KiB
JavaScript
// Copyright 2018 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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// Flags: --allow-natives-syntax
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// Test JSObjectIsArray in JSTypedLowering for the case that the
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// input value is known to be an Array literal.
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(function() {
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function foo() {
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return Array.isArray([]);
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}
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assertTrue(foo());
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assertTrue(foo());
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%OptimizeFunctionOnNextCall(foo);
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assertTrue(foo());
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})();
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// Test JSObjectIsArray in JSTypedLowering for the case that the
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// input value is known to be a Proxy for an Array literal.
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(function() {
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function foo() {
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return Array.isArray(new Proxy([], {}));
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}
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assertTrue(foo());
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assertTrue(foo());
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%OptimizeFunctionOnNextCall(foo);
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assertTrue(foo());
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})();
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// Test JSObjectIsArray in JSTypedLowering for the case that the
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// input value is known to be an Object literal.
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(function() {
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function foo() {
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return Array.isArray({});
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}
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assertFalse(foo());
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assertFalse(foo());
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%OptimizeFunctionOnNextCall(foo);
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assertFalse(foo());
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})();
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// Test JSObjectIsArray in JSTypedLowering for the case that the
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// input value is known to be a Proxy for an Object literal.
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(function() {
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function foo() {
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return Array.isArray(new Proxy({}, {}));
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}
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assertFalse(foo());
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assertFalse(foo());
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%OptimizeFunctionOnNextCall(foo);
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assertFalse(foo());
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})();
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// Test JSObjectIsArray in JSTypedLowering for the case that
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// TurboFan doesn't know anything about the input value.
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(function() {
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function foo(x) {
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return Array.isArray(x);
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}
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assertFalse(foo({}));
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assertFalse(foo(new Proxy({}, {})));
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assertTrue(foo([]));
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assertTrue(foo(new Proxy([], {})));
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assertThrows(() => {
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const {proxy, revoke} = Proxy.revocable([], {});
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revoke();
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foo(proxy);
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}, TypeError);
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%OptimizeFunctionOnNextCall(foo);
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assertFalse(foo({}));
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assertFalse(foo(new Proxy({}, {})));
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assertTrue(foo([]));
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assertTrue(foo(new Proxy([], {})));
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assertThrows(() => {
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const {proxy, revoke} = Proxy.revocable([], {});
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revoke();
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foo(proxy);
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}, TypeError);
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})();
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// Test JSObjectIsArray in JSTypedLowering for the case that
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// we pass a revoked proxy and catch the exception locally.
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(function() {
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function foo(x) {
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const {proxy, revoke} = Proxy.revocable(x, {});
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revoke();
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try {
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return Array.isArray(proxy);
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} catch (e) {
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return e;
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}
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}
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assertInstanceof(foo([]), TypeError);
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assertInstanceof(foo({}), TypeError);
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%OptimizeFunctionOnNextCall(foo);
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assertInstanceof(foo([]), TypeError);
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assertInstanceof(foo({}), TypeError);
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})();
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