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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
commit | 36d22d82aa202bb199967e9512281e9a53db42c9 (patch) | |
tree | 105e8c98ddea1c1e4784a60a5a6410fa416be2de /js/src/tests/test262/built-ins/Proxy/construct/trap-is-undefined.js | |
parent | Initial commit. (diff) | |
download | firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.zip |
Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'js/src/tests/test262/built-ins/Proxy/construct/trap-is-undefined.js')
-rw-r--r-- | js/src/tests/test262/built-ins/Proxy/construct/trap-is-undefined.js | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Proxy/construct/trap-is-undefined.js b/js/src/tests/test262/built-ins/Proxy/construct/trap-is-undefined.js new file mode 100644 index 0000000000..5682638564 --- /dev/null +++ b/js/src/tests/test262/built-ins/Proxy/construct/trap-is-undefined.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 undefined, 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: undefined +}); + +var NewTarget = function() {}; +var obj = Reflect.construct(P, [3, 4], NewTarget); + +assert.sameValue(calls, 1, "construct is undefined: [[Construct]] is invoked once"); +assert.sameValue(_NewTarget, NewTarget, "construct is undefined: NewTarget is passed to [[Construct]]"); +assert.sameValue(obj.sum, 7, "construct is undefined: result of [[Construct]] is returned"); + +reportCompare(0, 0); |