diff options
author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
---|---|---|
committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
commit | 36d22d82aa202bb199967e9512281e9a53db42c9 (patch) | |
tree | 105e8c98ddea1c1e4784a60a5a6410fa416be2de /js/src/tests/non262/Symbol/constructor.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 '')
-rw-r--r-- | js/src/tests/non262/Symbol/constructor.js | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/js/src/tests/non262/Symbol/constructor.js b/js/src/tests/non262/Symbol/constructor.js new file mode 100644 index 0000000000..5143b02a9e --- /dev/null +++ b/js/src/tests/non262/Symbol/constructor.js @@ -0,0 +1,35 @@ +/* Any copyright is dedicated to the Public Domain. + * http://creativecommons.org/licenses/publicdomain/ */ + +// Symbol(symbol) throws a TypeError. +var sym = Symbol(); +assertThrowsInstanceOf(() => Symbol(sym), TypeError); + +// Symbol(undefined) is equivalent to Symbol(). +assertEq(Symbol(undefined).toString(), "Symbol()"); + +// Otherwise, Symbol(v) means Symbol(ToString(v)). +assertEq(Symbol(7).toString(), "Symbol(7)"); +assertEq(Symbol(true).toString(), "Symbol(true)"); +assertEq(Symbol(null).toString(), "Symbol(null)"); +assertEq(Symbol([1, 2]).toString(), "Symbol(1,2)"); +var symobj = Object(sym); +assertThrowsInstanceOf(() => Symbol(symobj), TypeError); + +var hits = 0; +var obj = { + toString: function () { + hits++; + return "ponies"; + } +}; +assertEq(Symbol(obj).toString(), "Symbol(ponies)"); +assertEq(hits, 1); + +assertEq(Object.getPrototypeOf(Symbol.prototype), Object.prototype); + +// Symbol.prototype is not itself a Symbol object. +assertThrowsInstanceOf(() => Symbol.prototype.valueOf(), TypeError); + +if (typeof reportCompare === "function") + reportCompare(0, 0); |