Function TestAccessorCall

deps/v8/test/mjsunit/es6/proxies-function.js:336–423

(getterCallTrap, setterCallTrap)

var receiver

function TestAccessorCall(getterCallTrap, setterCallTrap) {
  var pgetter = new Proxy(()=>{}, {apply: getterCallTrap})
  var psetter = new Proxy(()=>{}, {apply: setterCallTrap})

  var o = {}
  var oo = Object.create(o)
  Object.defineProperty(o, "a", {get: pgetter, set: psetter})
  Object.defineProperty(o, "b", {get: pgetter})
  Object.defineProperty(o, "c", {set: psetter})
  Object.defineProperty(o, "3", {get: pgetter, set: psetter})
  Object.defineProperty(oo, "a", {value: 43})

  receiver = ""
  assertEquals(42, o.a)
  assertSame(o, receiver)
  receiver = ""
  assertEquals(42, o.b)
  assertSame(o, receiver)
  receiver = ""
  assertEquals(undefined, o.c)
  assertEquals("", receiver)
  receiver = ""
  assertEquals(42, o["a"])
  assertSame(o, receiver)
  receiver = ""
  assertEquals(42, o[3])
  assertSame(o, receiver)

  receiver = ""
  assertEquals(43, oo.a)
  assertEquals("", receiver)
  receiver = ""
  assertEquals(42, oo.b)
  assertSame(oo, receiver)
  receiver = ""
  assertEquals(undefined, oo.c)
  assertEquals("", receiver)
  receiver = ""
  assertEquals(43, oo["a"])
  assertEquals("", receiver)
  receiver = ""
  assertEquals(42, oo[3])
  assertSame(oo, receiver)

  receiver = ""
  assertEquals(50, o.a = 50)
  assertSame(o, receiver)
  assertEquals(50, value)
  receiver = ""
  assertEquals(51, o.b = 51)
  assertEquals("", receiver)
  assertEquals(50, value)  // no setter
  assertThrows(function() { "use strict"; o.b = 51 }, TypeError)
  receiver = ""
  assertEquals(52, o.c = 52)
  assertSame(o, receiver)
  assertEquals(52, value)
  receiver = ""