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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-null-target-is-proxy.js | |
parent | Initial commit. (diff) | |
download | firefox-esr-upstream.tar.xz firefox-esr-upstream.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-null-target-is-proxy.js')
-rw-r--r-- | js/src/tests/test262/built-ins/Proxy/construct/trap-is-null-target-is-proxy.js | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Proxy/construct/trap-is-null-target-is-proxy.js b/js/src/tests/test262/built-ins/Proxy/construct/trap-is-null-target-is-proxy.js new file mode 100644 index 0000000000..7cdaa8c741 --- /dev/null +++ b/js/src/tests/test262/built-ins/Proxy/construct/trap-is-null-target-is-proxy.js @@ -0,0 +1,47 @@ +// Copyright (C) 2020 Alexey Shvayka. 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 "construct" trap is null or undefined, [[Construct]] call is + properly forwarded to [[ProxyTarget]] (which is also a Proxy object). +info: | + [[Construct]] ( argumentsList, newTarget ) + + [...] + 4. Let target be O.[[ProxyTarget]]. + 5. Assert: IsConstructor(target) is true. + 6. Let trap be ? GetMethod(handler, "construct"). + 7. If trap is undefined, then + a. Return ? Construct(target, argumentsList, newTarget). +features: [class, Proxy, Reflect, Reflect.construct] +---*/ + +class Foo { + constructor(arg) { + this.arg = arg; + } +} + +var FooTarget = new Proxy(Foo, {}); +var FooProxy = new Proxy(FooTarget, { + construct: null, +}); + +var foo = new FooProxy(1); +assert(foo instanceof Foo); +assert.sameValue(foo.arg, 1); + +class Bar extends Foo { + get isBar() { + return true; + } +} + +var bar = Reflect.construct(FooProxy, [2], Bar); +assert(bar instanceof Bar); +assert.sameValue(bar.arg, 2); +assert(bar.isBar); + +reportCompare(0, 0); |