From 36d22d82aa202bb199967e9512281e9a53db42c9 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 21:33:14 +0200 Subject: Adding upstream version 115.7.0esr. Signed-off-by: Daniel Baumann --- .../built-ins/Proxy/construct/trap-is-null.js | 52 ++++++++++++++++++++++ 1 file changed, 52 insertions(+) create mode 100644 js/src/tests/test262/built-ins/Proxy/construct/trap-is-null.js (limited to 'js/src/tests/test262/built-ins/Proxy/construct/trap-is-null.js') diff --git a/js/src/tests/test262/built-ins/Proxy/construct/trap-is-null.js b/js/src/tests/test262/built-ins/Proxy/construct/trap-is-null.js new file mode 100644 index 0000000000..962e97c0f0 --- /dev/null +++ b/js/src/tests/test262/built-ins/Proxy/construct/trap-is-null.js @@ -0,0 +1,52 @@ +// Copyright (C) 2015 the V8 project authors. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. + +/*--- +esid: sec-proxy-object-internal-methods-and-internal-slots-construct-argumentslist-newtarget +description: > + If the construct trap value is null, propagate the construct to the target object. +info: | + [[Construct]] (argumentsList, newTarget) + + ... + 5. Let trap be ? GetMethod(handler, "construct"). + 6. If trap is undefined, then + a. Assert: target has a [[Construct]] internal method. + b. Return ? Construct(target, argumentsList, newTarget). + ... + + GetMethod ( V, P ) + + ... + 3. If func is either undefined or null, return undefined. + ... +features: [Proxy, Reflect, Reflect.construct] +---*/ + +var calls = 0; +var _NewTarget; + +var Target = new Proxy(function() { + throw new Test262Error('target should not be called'); +}, { + construct: function(_Target, args, NewTarget) { + calls += 1; + _NewTarget = NewTarget; + return { + sum: args[0] + args[1] + }; + } +}) + +var P = new Proxy(Target, { + construct: null +}); + +var NewTarget = function() {}; +var obj = Reflect.construct(P, [3, 4], NewTarget); + +assert.sameValue(calls, 1, "construct is null: [[Construct]] is invoked once"); +assert.sameValue(_NewTarget, NewTarget, "construct is null: NewTarget is passed to [[Construct]]"); +assert.sameValue(obj.sum, 7, "construct is null: result of [[Construct]] is returned"); + +reportCompare(0, 0); -- cgit v1.2.3