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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 17:32:43 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 17:32:43 +0000 |
commit | 6bf0a5cb5034a7e684dcc3500e841785237ce2dd (patch) | |
tree | a68f146d7fa01f0134297619fbe7e33db084e0aa /js/src/tests/non262/Symbol/constructor.js | |
parent | Initial commit. (diff) | |
download | thunderbird-6bf0a5cb5034a7e684dcc3500e841785237ce2dd.tar.xz thunderbird-6bf0a5cb5034a7e684dcc3500e841785237ce2dd.zip |
Adding upstream version 1:115.7.0.upstream/1%115.7.0upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'js/src/tests/non262/Symbol/constructor.js')
-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); |