Remove runtime flags for Proxy and Reflect

test/mjsunit/harmony/proxies-delete-property.js

-// Copyright 2015 the V8 project authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-// Flags: --harmony-proxies --harmony-reflect
-
-
-var properties =
-    ["bla", "0", 1, Symbol(), {[Symbol.toPrimitive]() {return "a"}}];
-
-
-function TestForwarding(handler, myDelete, shouldThrow) {
-  var target = {};
-  var proxy = new Proxy(target, handler);
-
-  assertFalse(target.hasOwnProperty("doesnotexist"));
-  assertTrue(myDelete(proxy, "doesnotexist"));
-
-  for (p of properties) {
-    target[p] = 42;
-    assertTrue(myDelete(proxy, p));
-    assertFalse(target.hasOwnProperty(p));
-  }
-
-  for (p of properties) {
-    Object.defineProperty(target, p, {value: 42, configurable: false});
-    if (shouldThrow) {
-      assertThrows(() => myDelete(proxy, p), TypeError);
-    } else {
-      assertFalse(myDelete(proxy, p));
-    }
-    assertTrue(target.hasOwnProperty(p));
-  }
-};
-
-
-(function () {
-  // No trap.
-
-  var handler = {};
-
-  TestForwarding(handler,
-      (o, p) => delete o[p], false);
-  TestForwarding(handler,
-      (o, p) => Reflect.deleteProperty(o, p), false);
-  TestForwarding(handler,
-      (o, p) => {"use strict"; return delete o[p]}, true);
-  TestForwarding(handler,
-      (o, p) => {"use strict"; return Reflect.deleteProperty(o, p)}, false);
-})();
-
-
-(function () {
-  // "Undefined" trap.
-
-  var handler = { deleteProperty: null };
-
-  TestForwarding(handler,
-      (o, p) => delete o[p], false);
-  TestForwarding(handler,
-      (o, p) => Reflect.deleteProperty(o, p), false);
-  TestForwarding(handler,
-      (o, p) => {"use strict"; return delete o[p]}, true);
-  TestForwarding(handler,
-      (o, p) => {"use strict"; return Reflect.deleteProperty(o, p)}, false);
-})();
-
-
-(function () {
-  // Invalid trap.
-
-  var target = {};
-  var handler = { deleteProperty: true };
-  var proxy = new Proxy(target, handler);
-
-  assertThrows(() => delete proxy[0], TypeError);
-  assertThrows(() => Reflect.deleteProperty(proxy, 0), TypeError);
-})();
-
-
-function TestTrappingTrueish(myDelete) {
-  var handler = { deleteProperty() {return 42} };
-  var target = {};
-  var proxy = new Proxy(target, handler);
-
-  // Trap returns trueish and target doesn't own property.
-  for (p of properties) {
-    assertTrue(myDelete(proxy, p));
-  }
-
-  // Trap returns trueish and target property is configurable.
-  for (p of properties) {
-    target[p] = 42;
-    assertTrue(myDelete(proxy, p));
-  }
-
-  // Trap returns trueish but target property is not configurable.
-  for (p of properties) {
-    Object.defineProperty(target, p, {value: 42, configurable: false});
-    assertThrows(() => myDelete(proxy, p), TypeError);
-  }
-};
-
-
-TestTrappingTrueish(
-    (o, p) => delete o[p]);
-TestTrappingTrueish(
-    (o, p) => Reflect.deleteProperty(o, p));
-TestTrappingTrueish(
-    (o, p) => {"use strict"; return delete o[p]});
-TestTrappingTrueish(
-    (o, p) => {"use strict"; return Reflect.deleteProperty(o, p)});
-
-
-function TestTrappingTrueish2(myDelete) {
-  var handler = {
-      deleteProperty(target, p) {
-          Object.defineProperty(target, p, {configurable: false});
-          return 42
-      }
-  };
-  var target = {};
-  var proxy = new Proxy(target, handler);
-
-  // Trap returns trueish but target property is not configurable.  In contrast
-  // to above, here the target property was configurable before the trap call.
-  for (p of properties) {
-    target[p] = 42;
-    assertThrows(() => myDelete(proxy, p), TypeError);
-  }
-};
-
-
-TestTrappingTrueish2(
-    (o, p) => delete o[p]);
-TestTrappingTrueish2(
-    (o, p) => Reflect.deleteProperty(o, p));
-TestTrappingTrueish2(
-    (o, p) => {"use strict"; return delete o[p]});
-TestTrappingTrueish2(
-    (o, p) => {"use strict"; return Reflect.deleteProperty(o, p)});
-
-
-function TestTrappingFalsish(myDelete, shouldThrow) {
-  var handler = { deleteProperty() {return ""} };
-  var target = {};
-  var proxy = new Proxy(target, handler);
-
-  var properties =
-      ["bla", "0", 1, Symbol(), {[Symbol.toPrimitive]() {return "a"}}];
-
-  // Trap returns falsish and target doesn't own property.
-  for (p of properties) {
-    if (shouldThrow) {
-      assertThrows(() => myDelete(proxy, p), TypeError);
-    } else {
-      assertFalse(myDelete(proxy, p));
-    }
-  }
-
-  // Trap returns falsish and target property is configurable.
-  for (p of properties) {
-    target[p] = 42;
-    if (shouldThrow) {
-      assertThrows(() => myDelete(proxy, p), TypeError);
-    } else {
-      assertFalse(myDelete(proxy, p));
-    }
-  }
-
-  // Trap returns falsish and target property is not configurable.
-  for (p of properties) {
-    Object.defineProperty(target, p, {value: 42, configurable: false});
-    if (shouldThrow) {
-      assertThrows(() => myDelete(proxy, p), TypeError);
-    } else {
-      assertFalse(myDelete(proxy, p));
-    }
-  }
-};
-
-
-TestTrappingFalsish(
-    (o, p) => delete o[p], false);
-TestTrappingFalsish(
-    (o, p) => Reflect.deleteProperty(o, p), false);
-TestTrappingFalsish(
-    (o, p) => {"use strict"; return delete o[p]}, true);
-TestTrappingFalsish(
-    (o, p) => {"use strict"; return Reflect.deleteProperty(o, p)}, false);