diff options
Diffstat (limited to 'js/src/jit-test/tests/decorators/field-decorators.js')
-rw-r--r-- | js/src/jit-test/tests/decorators/field-decorators.js | 104 |
1 files changed, 104 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/decorators/field-decorators.js b/js/src/jit-test/tests/decorators/field-decorators.js new file mode 100644 index 0000000000..7b02f35ef9 --- /dev/null +++ b/js/src/jit-test/tests/decorators/field-decorators.js @@ -0,0 +1,104 @@ +// |jit-test| skip-if: !getBuildConfiguration("decorators") + +load(libdir + "asserts.js"); + +let dec1Called = false; +let dec2Called = false; + +// This explicitly tests the case where undefined is returned. +function dec1(value, context) { + dec1Called = true; + // returns undefined +} + +function dec2(value, context) { + dec2Called = true; + return (initialValue) => 2; +} + +function dec3(value, context) { + return (initialValue) => initialValue*2; +} + +function checkDecoratorContext(kind, isPrivate, isStatic, name) { + return (value, context) => { + assertEq(value, undefined); + assertEq(context.kind, kind); + assertEq(typeof context.access, "object"); + assertEq(context.private, isPrivate); + assertEq(context.static, isStatic); + assertEq(context.name, name); + if (isStatic) { + assertEq(typeof context.addInitializer, "undefined"); + } else { + assertEq(typeof context.addInitializer, "function"); + } + } +} + +class C { + @dec1 x; + @dec1 x2 = 1; + @checkDecoratorContext("field", false, false, "x3") x3; + @checkDecoratorContext("field", false, true, "x4") static x4; + @checkDecoratorContext("field", true, false, "#x5") #x5; + @dec2 x6; + @dec3 x7 = 1; + @dec2 @dec3 x8 = 1; + @dec2 static x9; + @dec2 #x10; + getX10 = () => { + return this.#x10; + }; + @dec3 #x11 = 2; + getX11 = () => { + return this.#x11; + }; + @dec1 42 = 1; + @dec2 [43]; + @dec2 static #x12 = 1; + getX12() { + return C.#x12; + } +} + + +let c = new C(); +assertEq(dec1Called, true); +assertEq(c.x2, 1); +assertEq(dec2Called, true); +assertEq(c.x6, 2); +assertEq(c.x7, 2); +assertEq(c.x8, 2); +assertEq(C.x9, 2); +assertEq(c.getX10(), 2); +assertEq(c.getX11(), 4); +assertEq(c[42], 1); +assertEq(c[43], 2); +assertEq(c.getX12(), 2); + +assertThrowsInstanceOf(() => { + class D { + @(() => { return "hello!"; }) f(x) { return x; } + } +}, TypeError), "Returning a value other than undefined or a callable throws."; + +const decoratorOrder = []; +function makeOrderedDecorator(order) { + return function (value, context) { + decoratorOrder.push(order); + return value; + } +} + +class D { + @makeOrderedDecorator(1) @makeOrderedDecorator(2) @makeOrderedDecorator(3) + x = 1; +} + +let d = new D(); +assertEq(decoratorOrder.length, 3); +assertEq(decoratorOrder[0], 3); +assertEq(decoratorOrder[1], 2); +assertEq(decoratorOrder[2], 1); +assertEq(d.x, 1); |