tests/cases/compiler/gettersAndSetters.ts(7,16): error TS1056: Accessors are only available when targeting ECMAScript 5 and higher. tests/cases/compiler/gettersAndSetters.ts(8,16): error TS1056: Accessors are only available when targeting ECMAScript 5 and higher. tests/cases/compiler/gettersAndSetters.ts(10,16): error TS1056: Accessors are only available when targeting ECMAScript 5 and higher. tests/cases/compiler/gettersAndSetters.ts(11,16): error TS1056: Accessors are only available when targeting ECMAScript 5 and higher. tests/cases/compiler/gettersAndSetters.ts(29,30): error TS1056: Accessors are only available when targeting ECMAScript 5 and higher. tests/cases/compiler/gettersAndSetters.ts(29,53): error TS1056: Accessors are only available when targeting ECMAScript 5 and higher. tests/cases/compiler/gettersAndSetters.ts(25,13): error TS2339: Property 'Baz' does not exist on type 'C'. tests/cases/compiler/gettersAndSetters.ts(26,3): error TS2339: Property 'Baz' does not exist on type 'C'. ==== tests/cases/compiler/gettersAndSetters.ts (8 errors) ==== // classes class C { public fooBack = ""; static barBack:string = ""; public bazBack = ""; public get Foo() { return this.fooBack;} // ok ~~~ !!! error TS1056: Accessors are only available when targeting ECMAScript 5 and higher. public set Foo(foo:string) {this.fooBack = foo;} // ok ~~~ !!! error TS1056: Accessors are only available when targeting ECMAScript 5 and higher. static get Bar() {return C.barBack;} // ok ~~~ !!! error TS1056: Accessors are only available when targeting ECMAScript 5 and higher. static set Bar(bar:string) {C.barBack = bar;} // ok ~~~ !!! error TS1056: Accessors are only available when targeting ECMAScript 5 and higher. public get = function() {} // ok public set = function() {} // ok } var c = new C(); var foo = c.Foo; c.Foo = "foov"; var bar = C.Bar; C.Bar = "barv"; var baz = c.Baz; ~~~ !!! error TS2339: Property 'Baz' does not exist on type 'C'. c.Baz = "bazv"; ~~~ !!! error TS2339: Property 'Baz' does not exist on type 'C'. // The Foo accessors' return and param types should be contextually typed to the Foo field var o : {Foo:number;} = {get Foo() {return 0;}, set Foo(val:number){val}}; // o ~~~ !!! error TS1056: Accessors are only available when targeting ECMAScript 5 and higher. ~~~ !!! error TS1056: Accessors are only available when targeting ECMAScript 5 and higher. var ofg = o.Foo; o.Foo = 0; interface I1 { (n:number):number; } var i:I1 = function (n) {return n;}