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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
commit | 26a029d407be480d791972afb5975cf62c9360a6 (patch) | |
tree | f435a8308119effd964b339f76abb83a57c29483 /js/src/tests/test262/language/arguments-object/cls-decl-gen-meth-args-trailing-comma-undefined.js | |
parent | Initial commit. (diff) | |
download | firefox-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/language/arguments-object/cls-decl-gen-meth-args-trailing-comma-undefined.js')
-rw-r--r-- | js/src/tests/test262/language/arguments-object/cls-decl-gen-meth-args-trailing-comma-undefined.js | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/arguments-object/cls-decl-gen-meth-args-trailing-comma-undefined.js b/js/src/tests/test262/language/arguments-object/cls-decl-gen-meth-args-trailing-comma-undefined.js new file mode 100644 index 0000000000..ec9fbe921d --- /dev/null +++ b/js/src/tests/test262/language/arguments-object/cls-decl-gen-meth-args-trailing-comma-undefined.js @@ -0,0 +1,51 @@ +// This file was procedurally generated from the following sources: +// - src/arguments/args-trailing-comma-undefined.case +// - src/arguments/default/cls-decl-gen-meth.template +/*--- +description: A trailing comma after undefined should not increase the arguments.length (class declaration generator method) +esid: sec-arguments-exotic-objects +features: [generators] +flags: [generated] +info: | + 9.4.4 Arguments Exotic Objects + + Most ECMAScript functions make an arguments object available to their code. Depending upon the + characteristics of the function definition, its arguments object is either an ordinary object + or an arguments exotic object. + + + Trailing comma in the arguments list + + Left-Hand-Side Expressions + + Arguments : + ( ) + ( ArgumentList ) + ( ArgumentList , ) + + ArgumentList : + AssignmentExpression + ... AssignmentExpression + ArgumentList , AssignmentExpression + ArgumentList , ... AssignmentExpression +---*/ + + +var callCount = 0; +class C { + *method() { + assert.sameValue(arguments.length, 2); + assert.sameValue(arguments[0], 42); + assert.sameValue(arguments[1], undefined); + callCount = callCount + 1; + } +} + +C.prototype.method(42, undefined,).next(); + +// Stores a reference `ref` for case evaluation +var ref = C.prototype.method; + +assert.sameValue(callCount, 1, 'method invoked exactly once'); + +reportCompare(0, 0); |