// This file was procedurally generated from the following sources: // - src/arguments/args-trailing-comma-spread-operator.case // - src/arguments/default/cls-decl-private-gen-meth.template /*--- description: A trailing comma should not increase the arguments.length, using spread args (class declaration private generator method) esid: sec-argument-lists-runtime-semantics-argumentlistevaluation features: [generators, class, class-methods-private] 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 { * #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; } get method() { return this.#method; } } new C().method(42, ...[1], ...arr,).next(); assert.sameValue(callCount, 1, 'method invoked exactly once'); reportCompare(0, 0);