[proxies] throw TypeError in [[Call]] if is_callable Map bit is unset

test/mjsunit/harmony/proxies-apply.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
 
 (function testNonCallable() {
   var proxy = new Proxy({},{});
   assertThrows(function(){ proxy() }, TypeError);
 
@@ skipping 69 matching lines @@
       called_handler = true;
     }
   }
   var proxy = new Proxy(target, handler);
   assertFalse(called_target);
   assertFalse(called_handler);
   Reflect.apply(proxy, {rec:1}, [1,2]);
   assertTrue(called_target);
   assertTrue(called_handler);
 })();
+
+
+(function testCallProxyNonCallableTarget() {
+  var values = [NaN, 1.5, 100, /RegExp/, "string", {}, [], Symbol(),
+                new Map(), new Set(), new WeakMap(), new WeakSet()];
+  values.forEach(target => {
+    target = Object(target);
+    var proxy = new Proxy(target, { apply() { assertUnreachable(); } });
+    assertThrows(() => { proxy(); }, TypeError);
+    assertThrows(() => { ({ proxy }).proxy(); }, TypeError);
+    assertThrows(() => { Reflect.apply(proxy, null, []); }, TypeError);
+    assertThrows(() => { Reflect.apply(proxy, { proxy }, []); }, TypeError);
+
+    var proxy_to_proxy = new Proxy(proxy, { apply() { assertUnreachable(); } });
+    assertThrows(() => { proxy_to_proxy(); }, TypeError);
+    assertThrows(() => { ({ proxy_to_proxy }).proxy_to_proxy(); }, TypeError);
+    assertThrows(() => { Reflect.apply(proxy_to_proxy, null, []); }, TypeError);
+    assertThrows(() => { Reflect.apply(proxy_to_proxy, { proxy }, []); },
+                 TypeError);
+  });
+})();

[Camillo Bruni, 2016/03/02 17:41:03]

silly that we forgot this case :)