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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 19:33:14 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 19:33:14 +0000
commit36d22d82aa202bb199967e9512281e9a53db42c9 (patch)
tree105e8c98ddea1c1e4784a60a5a6410fa416be2de /js/src/tests/test262/built-ins/Proxy/construct/trap-is-null.js
parentInitial commit. (diff)
downloadfirefox-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-null.js')
-rw-r--r--js/src/tests/test262/built-ins/Proxy/construct/trap-is-null.js52
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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
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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);