1Tests for ES6 class syntax expressions 2 3On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE". 4 5 6PASS constructorCallCount is 0 7PASS A.someStaticMethod() is staticMethodValue 8PASS A.someStaticGetter is getterValue 9PASS setterValue = undefined; A.someStaticSetter = 123; setterValue is 123 10PASS (new A).someInstanceMethod() is instanceMethodValue 11PASS constructorCallCount is 1 12PASS (new A).someGetter is getterValue 13PASS constructorCallCount is 2 14PASS (new A).someGetter is getterValue 15PASS setterValue = undefined; (new A).someSetter = 789; setterValue is 789 16PASS (new A).__proto__ is A.prototype 17PASS A.prototype.constructor is A 18PASS x = class threw exception SyntaxError: Unexpected end of input. 19PASS x = class { threw exception SyntaxError: Unexpected end of input. 20PASS x = class { ( } threw exception SyntaxError: Unexpected token (. 21PASS x = class {} did not throw exception. 22PASS x = class { constructor() {} constructor() {} } threw exception SyntaxError: A class may only have one constructor. 23PASS x = class { get constructor() {} } threw exception SyntaxError: Class constructor may not be an accessor. 24PASS x = class { set constructor() {} } threw exception SyntaxError: Class constructor may not be an accessor. 25PASS x = class { constructor() {} static constructor() { return staticMethodValue; } } did not throw exception. 26PASS x = class { constructor() {} static constructor() { return staticMethodValue; } }; x.constructor() is staticMethodValue 27PASS x = class { constructor() {} static prototype() {} } threw exception SyntaxError: Classes may not have static property named prototype. 28PASS x = class { constructor() {} static get prototype() {} } threw exception SyntaxError: Classes may not have static property named prototype. 29PASS x = class { constructor() {} static set prototype() {} } threw exception SyntaxError: Classes may not have static property named prototype. 30PASS x = class { constructor() {} prototype() { return instanceMethodValue; } } did not throw exception. 31PASS x = class { constructor() {} prototype() { return instanceMethodValue; } }; (new x).prototype() is instanceMethodValue 32PASS x = class { constructor() {} set foo(a) {} } did not throw exception. 33PASS x = class { constructor() {} set foo({x, y}) {} } did not throw exception. 34PASS x = class { constructor() {} set foo() {} } threw exception SyntaxError: Setter must have exactly one formal parameter.. 35PASS x = class { constructor() {} set foo(a, b) {} } threw exception SyntaxError: Setter must have exactly one formal parameter.. 36PASS x = class { constructor() {} get foo() {} } did not throw exception. 37PASS x = class { constructor() {} get foo(x) {} } threw exception SyntaxError: Getter must not have any formal parameters.. 38PASS x = class { constructor() {} get foo({x, y}) {} } threw exception SyntaxError: Getter must not have any formal parameters.. 39PASS successfullyParsed is true 40 41TEST COMPLETE 42