// |jit-test| skip-if: !getBuildConfiguration("decorators")

load(libdir + "asserts.js");

let dec1Called = false;

// This explicitly tests the case where undefined is returned.
function dec(value, context) {
  dec1Called = true;
  // return undefined
}

function decorate_getter(value, context) {
  return function() {
    return 2 * value.call(this);
  }
}

function decorate_setter(value, context) {
  return function(x) {
    return value.call(this, 2*x);
  }
}

function checkDecoratorContext(kind, isPrivate, isStatic, name) {
  return (value, context) => {
    assertEq(typeof value.call, "function");
    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 {
  setter5Value;

  @dec get getter1() { return "unmodified"; }
  @checkDecoratorContext("getter", false, false, "getter2") get getter2() { }
  @checkDecoratorContext("getter", false, true, "getter3") static get getter3() { }
  @checkDecoratorContext("getter", true, false, "#getter4") get #getter4() { }
  @decorate_getter get getter5() { return 1; }

  @dec set setter1(value) { }
  @checkDecoratorContext("setter", false, false, "setter2") set setter2(value) { }
  @checkDecoratorContext("setter", false, true, "setter3") static set setter3(value) { }
  @checkDecoratorContext("setter", true, false, "#setter4") set #setter4(value) { }
  @decorate_setter set setter5(value) { this.setter5Value = value; }
}

let c = new C();
assertEq(dec1Called, true);
assertEq(c.getter1, "unmodified");
assertEq(c.getter5, 2);
c.setter5 = 1;
assertEq(c.setter5Value, 2);

assertThrowsInstanceOf(() => {
  class D {
    @(() => { return "hello!"; }) get f() { return "unmodified"; }
  }
}, TypeError), "Returning a value other than undefined or a callable throws.";