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Diffstat (limited to '')
-rw-r--r-- | js/src/tests/test262/language/arguments-object/cls-decl-gen-meth-static-args-trailing-comma-spread-operator.js | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/arguments-object/cls-decl-gen-meth-static-args-trailing-comma-spread-operator.js b/js/src/tests/test262/language/arguments-object/cls-decl-gen-meth-static-args-trailing-comma-spread-operator.js new file mode 100644 index 0000000000..09d2269e0b --- /dev/null +++ b/js/src/tests/test262/language/arguments-object/cls-decl-gen-meth-static-args-trailing-comma-spread-operator.js @@ -0,0 +1,55 @@ +// This file was procedurally generated from the following sources: +// - src/arguments/args-trailing-comma-spread-operator.case +// - src/arguments/default/cls-decl-gen-meth-static.template +/*--- +description: A trailing comma should not increase the arguments.length, using spread args (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 arr = [2, 3]; + + + +var callCount = 0; +class C { + static *method() { + assert.sameValue(arguments.length, 4); + assert.sameValue(arguments[0], 42); + assert.sameValue(arguments[1], 1); + assert.sameValue(arguments[2], 2); + assert.sameValue(arguments[3], 3); + callCount = callCount + 1; + } +} + +C.method(42, ...[1], ...arr,).next(); + +// Stores a reference `ref` for case evaluation +var ref = C.method; + +assert.sameValue(callCount, 1, 'method invoked exactly once'); + +reportCompare(0, 0); |