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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 00:47:55 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 00:47:55 +0000
commit26a029d407be480d791972afb5975cf62c9360a6 (patch)
treef435a8308119effd964b339f76abb83a57c29483 /js/src/tests/test262/built-ins/BigInt/constructor-coercion.js
parentInitial commit. (diff)
downloadfirefox-26a029d407be480d791972afb5975cf62c9360a6.tar.xz
firefox-26a029d407be480d791972afb5975cf62c9360a6.zip
Adding upstream version 124.0.1.upstream/124.0.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'js/src/tests/test262/built-ins/BigInt/constructor-coercion.js')
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diff --git a/js/src/tests/test262/built-ins/BigInt/constructor-coercion.js b/js/src/tests/test262/built-ins/BigInt/constructor-coercion.js
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+// Copyright (C) 2022 Kevin Gibbons. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: BigInt constructor only coerces its input once
+esid: sec-bigint-constructor-number-value
+info: |
+ BigInt ( value )
+ 1. If NewTarget is not undefined, throw a TypeError exception.
+ 2. Let prim be ? ToPrimitive(value, number).
+ 3. If Type(prim) is Number, return ? NumberToBigInt(prim).
+ 4. Otherwise, return ? ToBigInt(prim).
+features: [BigInt]
+---*/
+
+var first = true;
+var v = {
+ [Symbol.toPrimitive]: function() {
+ if (first) {
+ first = false;
+ return "42";
+ }
+ throw new Test262Error("Symbol.toPrimitive should only be invoked once");
+ },
+};
+
+assert.sameValue(BigInt(v), 42n, "BigInt constructor should use the post-ToPrimitive value as the argument to ToBigInt");
+
+reportCompare(0, 0);