addInitializer.js (1425B)
1 // |jit-test| skip-if: !getBuildConfiguration("decorators") 2 load(libdir + "asserts.js"); 3 4 let extraInitializerCalled = {}; 5 6 function checkDecoratorContext(kind, isPrivate, isStatic, name) { 7 return function (value, context) { 8 if (kind == "field") { 9 assertEq(value, undefined); 10 } else if (kind == "accessor") { 11 assertEq(typeof value, "object"); 12 assertEq(typeof value.get, "function"); 13 assertEq(typeof value.set, "function"); 14 } 15 assertEq(context.kind, kind); 16 assertEq(typeof context.access, "object"); 17 assertEq(context.private, isPrivate); 18 assertEq(context.static, isStatic); 19 assertEq(context.name, name); 20 assertEq(typeof context.addInitializer, "function"); 21 context.addInitializer(() => {extraInitializerCalled[context.name] = true;}); 22 // return undefined 23 } 24 } 25 26 class C { 27 @checkDecoratorContext("field", false, false, "x") x; 28 @checkDecoratorContext("accessor", true, false, "y accessor storage") accessor y; 29 @checkDecoratorContext("method", false, false, "f") f() {}; 30 @checkDecoratorContext("method", false, false, 1) 1() {}; 31 @checkDecoratorContext("method", false, false, 2) 2n() {}; 32 } 33 34 let c = new C(); 35 assertEq(extraInitializerCalled["x"], true); 36 assertEq(extraInitializerCalled["y accessor storage"], true); 37 assertEq(extraInitializerCalled["f"], true); 38 assertEq(extraInitializerCalled["1"], true); 39 assertEq(extraInitializerCalled["2"], true);