Merge V8 at 3.9.24.13
Bug: 5688872
Change-Id: Id0aa8d23375030494d3189c31774059c0f5398fc
diff --git a/test/mjsunit/harmony/proxies-function.js b/test/mjsunit/harmony/proxies-function.js
new file mode 100644
index 0000000..6b8d098
--- /dev/null
+++ b/test/mjsunit/harmony/proxies-function.js
@@ -0,0 +1,748 @@
+// Copyright 2011 the V8 project authors. All rights reserved.
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+// * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+// * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following
+// disclaimer in the documentation and/or other materials provided
+// with the distribution.
+// * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived
+// from this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+// Flags: --harmony-proxies --allow-natives-syntax
+
+
+// Helper.
+
+function CreateFrozen(handler, callTrap, constructTrap) {
+ if (handler.fix === undefined) handler.fix = function() { return {} }
+ var f = Proxy.createFunction(handler, callTrap, constructTrap)
+ Object.freeze(f)
+ return f
+}
+
+
+// Ensures that checking the "length" property of a function proxy doesn't
+// crash due to lack of a [[Get]] method.
+var handler = {
+ get : function(r, n) { return n == "length" ? 2 : undefined }
+}
+
+
+// Calling (call, Function.prototype.call, Function.prototype.apply,
+// Function.prototype.bind).
+
+var global_object = this
+var receiver
+
+function TestCall(isStrict, callTrap) {
+ assertEquals(42, callTrap(5, 37))
+ // TODO(rossberg): strict mode seems to be broken on x64...
+ // assertSame(isStrict ? undefined : global_object, receiver)
+
+ var handler = {
+ get: function(r, k) {
+ return k == "length" ? 2 : Function.prototype[k]
+ }
+ }
+ var f = Proxy.createFunction(handler, callTrap)
+ var o = {f: f}
+ global_object.f = f
+
+ receiver = 333
+ assertEquals(42, f(11, 31))
+ // TODO(rossberg): strict mode seems to be broken on x64...
+ // assertSame(isStrict ? undefined : global_object, receiver)
+ receiver = 333
+ assertEquals(42, o.f(10, 32))
+ assertSame(o, receiver)
+ receiver = 333
+ assertEquals(42, o["f"](9, 33))
+ assertSame(o, receiver)
+ receiver = 333
+ assertEquals(42, (1, o).f(8, 34))
+ assertSame(o, receiver)
+ receiver = 333
+ assertEquals(42, (1, o)["f"](7, 35))
+ assertSame(o, receiver)
+ receiver = 333
+ assertEquals(42, f.call(o, 32, 10))
+ assertSame(o, receiver)
+ receiver = 333
+ assertEquals(42, f.call(undefined, 33, 9))
+ assertSame(isStrict ? undefined : global_object, receiver)
+ receiver = 333
+ assertEquals(42, f.call(null, 33, 9))
+ assertSame(isStrict ? null : global_object, receiver)
+ receiver = 333
+ assertEquals(44, f.call(2, 21, 23))
+ assertSame(2, receiver.valueOf())
+ receiver = 333
+ assertEquals(42, Function.prototype.call.call(f, o, 20, 22))
+ assertSame(o, receiver)
+ receiver = 333
+ assertEquals(43, Function.prototype.call.call(f, null, 20, 23))
+ assertSame(isStrict ? null : global_object, receiver)
+ assertEquals(44, Function.prototype.call.call(f, 2, 21, 23))
+ assertEquals(2, receiver.valueOf())
+ receiver = 333
+ assertEquals(32, f.apply(o, [16, 16]))
+ assertSame(o, receiver)
+ receiver = 333
+ assertEquals(32, Function.prototype.apply.call(f, o, [17, 15]))
+ assertSame(o, receiver)
+ receiver = 333
+ assertEquals(42, %Call(o, 11, 31, f))
+ assertSame(o, receiver)
+ receiver = 333
+ assertEquals(42, %Call(null, 11, 31, f))
+ assertSame(isStrict ? null : global_object, receiver)
+ receiver = 333
+ assertEquals(42, %Apply(f, o, [11, 31], 0, 2))
+ assertSame(o, receiver)
+ receiver = 333
+ assertEquals(42, %Apply(f, null, [11, 31], 0, 2))
+ assertSame(isStrict ? null : global_object, receiver)
+ receiver = 333
+ assertEquals(42, %_CallFunction(o, 11, 31, f))
+ assertSame(o, receiver)
+ receiver = 333
+ assertEquals(42, %_CallFunction(null, 11, 31, f))
+ assertSame(isStrict ? null : global_object, receiver)
+
+ var ff = Function.prototype.bind.call(f, o, 12)
+ assertTrue(ff.length <= 1) // TODO(rossberg): Not spec'ed yet, be lax.
+ receiver = 333
+ assertEquals(42, ff(30))
+ assertSame(o, receiver)
+ receiver = 333
+ assertEquals(33, Function.prototype.call.call(ff, {}, 21))
+ assertSame(o, receiver)
+ receiver = 333
+ assertEquals(32, Function.prototype.apply.call(ff, {}, [20]))
+ assertSame(o, receiver)
+ receiver = 333
+ assertEquals(23, %Call({}, 11, ff))
+ assertSame(o, receiver)
+ receiver = 333
+ assertEquals(23, %Call({}, 11, 3, ff))
+ assertSame(o, receiver)
+ receiver = 333
+ assertEquals(24, %Apply(ff, {}, [12, 13], 0, 1))
+ assertSame(o, receiver)
+ receiver = 333
+ assertEquals(24, %Apply(ff, {}, [12, 13], 0, 2))
+ assertSame(o, receiver)
+ receiver = 333
+ assertEquals(34, %_CallFunction({}, 22, ff))
+ assertSame(o, receiver)
+ receiver = 333
+ assertEquals(34, %_CallFunction({}, 22, 3, ff))
+ assertSame(o, receiver)
+
+ var fff = Function.prototype.bind.call(ff, o, 30)
+ assertEquals(0, fff.length)
+ receiver = 333
+ assertEquals(42, fff())
+ assertSame(o, receiver)
+ receiver = 333
+ assertEquals(42, Function.prototype.call.call(fff, {}))
+ assertSame(o, receiver)
+ receiver = 333
+ assertEquals(42, Function.prototype.apply.call(fff, {}))
+ assertSame(o, receiver)
+ receiver = 333
+ assertEquals(42, %Call({}, fff))
+ assertSame(o, receiver)
+ receiver = 333
+ assertEquals(42, %Call({}, 11, 3, fff))
+ assertSame(o, receiver)
+ receiver = 333
+ assertEquals(42, %Apply(fff, {}, [], 0, 0))
+ assertSame(o, receiver)
+ receiver = 333
+ assertEquals(42, %Apply(fff, {}, [12, 13], 0, 0))
+ assertSame(o, receiver)
+ receiver = 333
+ assertEquals(42, %Apply(fff, {}, [12, 13], 0, 2))
+ assertSame(o, receiver)
+ receiver = 333
+ assertEquals(42, %_CallFunction({}, fff))
+ assertSame(o, receiver)
+ receiver = 333
+ assertEquals(42, %_CallFunction({}, 3, 4, 5, fff))
+ assertSame(o, receiver)
+
+ var f = CreateFrozen({}, callTrap)
+ receiver = 333
+ assertEquals(42, f(11, 31))
+ assertSame(isStrict ? undefined : global_object, receiver)
+ var o = {f: f}
+ receiver = 333
+ assertEquals(42, o.f(10, 32))
+ assertSame(o, receiver)
+ receiver = 333
+ assertEquals(42, o["f"](9, 33))
+ assertSame(o, receiver)
+ receiver = 333
+ assertEquals(42, (1, o).f(8, 34))
+ assertSame(o, receiver)
+ receiver = 333
+ assertEquals(42, (1, o)["f"](7, 35))
+ assertSame(o, receiver)
+ receiver = 333
+ assertEquals(42, Function.prototype.call.call(f, o, 20, 22))
+ assertSame(o, receiver)
+ receiver = 333
+ assertEquals(32, Function.prototype.apply.call(f, o, [17, 15]))
+ assertSame(o, receiver)
+ receiver = 333
+ assertEquals(23, %Call(o, 11, 12, f))
+ assertSame(o, receiver)
+ receiver = 333
+ assertEquals(27, %Apply(f, o, [12, 13, 14], 1, 2))
+ assertSame(o, receiver)
+ receiver = 333
+ assertEquals(42, %_CallFunction(o, 18, 24, f))
+ assertSame(o, receiver)
+}
+
+TestCall(false, function(x, y) {
+ receiver = this
+ return x + y
+})
+
+TestCall(true, function(x, y) {
+ "use strict"
+ receiver = this
+ return x + y
+})
+
+TestCall(false, function() {
+ receiver = this
+ return arguments[0] + arguments[1]
+})
+
+TestCall(false, Proxy.createFunction(handler, function(x, y) {
+ receiver = this
+ return x + y
+}))
+
+TestCall(true, Proxy.createFunction(handler, function(x, y) {
+ "use strict"
+ receiver = this
+ return x + y
+}))
+
+TestCall(false, CreateFrozen(handler, function(x, y) {
+ receiver = this
+ return x + y
+}))
+
+
+
+// Using intrinsics as call traps.
+
+function TestCallIntrinsic(type, callTrap) {
+ var f = Proxy.createFunction({}, callTrap)
+ var x = f()
+ assertTrue(typeof x == type)
+}
+
+TestCallIntrinsic("boolean", Boolean)
+TestCallIntrinsic("number", Number)
+TestCallIntrinsic("string", String)
+TestCallIntrinsic("object", Object)
+TestCallIntrinsic("function", Function)
+
+
+
+// Throwing from call trap.
+
+function TestCallThrow(callTrap) {
+ var f = Proxy.createFunction({}, callTrap)
+ assertThrows(function(){ f(11) }, "myexn")
+ assertThrows(function(){ ({x: f}).x(11) }, "myexn")
+ assertThrows(function(){ ({x: f})["x"](11) }, "myexn")
+ assertThrows(function(){ Function.prototype.call.call(f, {}, 2) }, "myexn")
+ assertThrows(function(){ Function.prototype.apply.call(f, {}, [1]) }, "myexn")
+ assertThrows(function(){ %Call({}, f) }, "myexn")
+ assertThrows(function(){ %Call({}, 1, 2, f) }, "myexn")
+ assertThrows(function(){ %Apply({}, f, [], 3, 0) }, "myexn")
+ assertThrows(function(){ %Apply({}, f, [3, 4], 0, 1) }, "myexn")
+ assertThrows(function(){ %_CallFunction({}, f) }, "myexn")
+ assertThrows(function(){ %_CallFunction({}, 1, 2, f) }, "myexn")
+
+ var f = CreateFrozen({}, callTrap)
+ assertThrows(function(){ f(11) }, "myexn")
+ assertThrows(function(){ ({x: f}).x(11) }, "myexn")
+ assertThrows(function(){ ({x: f})["x"](11) }, "myexn")
+ assertThrows(function(){ Function.prototype.call.call(f, {}, 2) }, "myexn")
+ assertThrows(function(){ Function.prototype.apply.call(f, {}, [1]) }, "myexn")
+ assertThrows(function(){ %Call({}, f) }, "myexn")
+ assertThrows(function(){ %Call({}, 1, 2, f) }, "myexn")
+ assertThrows(function(){ %Apply({}, f, [], 3, 0) }, "myexn")
+ assertThrows(function(){ %Apply({}, f, [3, 4], 0, 1) }, "myexn")
+ assertThrows(function(){ %_CallFunction({}, f) }, "myexn")
+ assertThrows(function(){ %_CallFunction({}, 1, 2, f) }, "myexn")
+}
+
+TestCallThrow(function() { throw "myexn" })
+TestCallThrow(Proxy.createFunction({}, function() { throw "myexn" }))
+TestCallThrow(CreateFrozen({}, function() { throw "myexn" }))
+
+
+
+// Construction (new).
+
+var prototype = {myprop: 0}
+var receiver
+
+var handlerWithPrototype = {
+ fix: function() { return { prototype: { value: prototype } }; },
+ get: function(r, n) {
+ if (n == "length") return 2;
+ assertEquals("prototype", n);
+ return prototype;
+ }
+}
+
+var handlerSansPrototype = {
+ fix: function() { return { length: { value: 2 } } },
+ get: function(r, n) {
+ if (n == "length") return 2;
+ assertEquals("prototype", n);
+ return undefined;
+ }
+}
+
+function ReturnUndef(x, y) {
+ "use strict";
+ receiver = this;
+ this.sum = x + y;
+}
+
+function ReturnThis(x, y) {
+ "use strict";
+ receiver = this;
+ this.sum = x + y;
+ return this;
+}
+
+function ReturnNew(x, y) {
+ "use strict";
+ receiver = this;
+ return {sum: x + y};
+}
+
+function ReturnNewWithProto(x, y) {
+ "use strict";
+ receiver = this;
+ var result = Object.create(prototype);
+ result.sum = x + y;
+ return result;
+}
+
+function TestConstruct(proto, constructTrap) {
+ TestConstruct2(proto, constructTrap, handlerWithPrototype)
+ TestConstruct2(proto, constructTrap, handlerSansPrototype)
+}
+
+function TestConstruct2(proto, constructTrap, handler) {
+ var f = Proxy.createFunction(handler, function() {}, constructTrap)
+ var o = new f(11, 31)
+ assertEquals(undefined, receiver)
+ assertEquals(42, o.sum)
+ assertSame(proto, Object.getPrototypeOf(o))
+
+ var f = CreateFrozen(handler, function() {}, constructTrap)
+ var o = new f(11, 32)
+ assertEquals(undefined, receiver)
+ assertEquals(43, o.sum)
+ assertSame(proto, Object.getPrototypeOf(o))
+}
+
+TestConstruct(Object.prototype, ReturnNew)
+TestConstruct(prototype, ReturnNewWithProto)
+
+TestConstruct(Object.prototype, Proxy.createFunction(handler, ReturnNew))
+TestConstruct(prototype, Proxy.createFunction(handler, ReturnNewWithProto))
+
+TestConstruct(Object.prototype, CreateFrozen(handler, ReturnNew))
+TestConstruct(prototype, CreateFrozen(handler, ReturnNewWithProto))
+
+
+
+// Construction with derived construct trap.
+
+function TestConstructFromCall(proto, returnsThis, callTrap) {
+ TestConstructFromCall2(prototype, returnsThis, callTrap, handlerWithPrototype)
+ TestConstructFromCall2(proto, returnsThis, callTrap, handlerSansPrototype)
+}
+
+function TestConstructFromCall2(proto, returnsThis, callTrap, handler) {
+ // TODO(rossberg): handling of prototype for derived construct trap will be
+ // fixed in a separate change. Commenting out checks below for now.
+ var f = Proxy.createFunction(handler, callTrap)
+ var o = new f(11, 31)
+ if (returnsThis) assertEquals(o, receiver)
+ assertEquals(42, o.sum)
+ // assertSame(proto, Object.getPrototypeOf(o))
+
+ var g = CreateFrozen(handler, callTrap)
+ // assertSame(f.prototype, g.prototype)
+ var o = new g(11, 32)
+ if (returnsThis) assertEquals(o, receiver)
+ assertEquals(43, o.sum)
+ // assertSame(proto, Object.getPrototypeOf(o))
+}
+
+TestConstructFromCall(Object.prototype, true, ReturnUndef)
+TestConstructFromCall(Object.prototype, true, ReturnThis)
+TestConstructFromCall(Object.prototype, false, ReturnNew)
+TestConstructFromCall(prototype, false, ReturnNewWithProto)
+
+TestConstructFromCall(Object.prototype, true,
+ Proxy.createFunction(handler, ReturnUndef))
+TestConstructFromCall(Object.prototype, true,
+ Proxy.createFunction(handler, ReturnThis))
+TestConstructFromCall(Object.prototype, false,
+ Proxy.createFunction(handler, ReturnNew))
+TestConstructFromCall(prototype, false,
+ Proxy.createFunction(handler, ReturnNewWithProto))
+
+TestConstructFromCall(Object.prototype, true, CreateFrozen({}, ReturnUndef))
+TestConstructFromCall(Object.prototype, true, CreateFrozen({}, ReturnThis))
+TestConstructFromCall(Object.prototype, false, CreateFrozen({}, ReturnNew))
+TestConstructFromCall(prototype, false, CreateFrozen({}, ReturnNewWithProto))
+
+ReturnUndef.prototype = prototype
+ReturnThis.prototype = prototype
+ReturnNew.prototype = prototype
+ReturnNewWithProto.prototype = prototype
+
+TestConstructFromCall(prototype, true, ReturnUndef)
+TestConstructFromCall(prototype, true, ReturnThis)
+TestConstructFromCall(Object.prototype, false, ReturnNew)
+TestConstructFromCall(prototype, false, ReturnNewWithProto)
+
+TestConstructFromCall(Object.prototype, true,
+ Proxy.createFunction(handler, ReturnUndef))
+TestConstructFromCall(Object.prototype, true,
+ Proxy.createFunction(handler, ReturnThis))
+TestConstructFromCall(Object.prototype, false,
+ Proxy.createFunction(handler, ReturnNew))
+TestConstructFromCall(prototype, false,
+ Proxy.createFunction(handler, ReturnNewWithProto))
+
+TestConstructFromCall(prototype, true,
+ Proxy.createFunction(handlerWithPrototype, ReturnUndef))
+TestConstructFromCall(prototype, true,
+ Proxy.createFunction(handlerWithPrototype, ReturnThis))
+TestConstructFromCall(Object.prototype, false,
+ Proxy.createFunction(handlerWithPrototype, ReturnNew))
+TestConstructFromCall(prototype, false,
+ Proxy.createFunction(handlerWithPrototype,
+ ReturnNewWithProto))
+
+TestConstructFromCall(prototype, true,
+ CreateFrozen(handlerWithPrototype, ReturnUndef))
+TestConstructFromCall(prototype, true,
+ CreateFrozen(handlerWithPrototype, ReturnThis))
+TestConstructFromCall(Object.prototype, false,
+ CreateFrozen(handlerWithPrototype, ReturnNew))
+TestConstructFromCall(prototype, false,
+ CreateFrozen(handlerWithPrototype, ReturnNewWithProto))
+
+
+
+// Throwing from the construct trap.
+
+function TestConstructThrow(trap) {
+ TestConstructThrow2(Proxy.createFunction({ fix: function() {return {};} },
+ trap))
+ TestConstructThrow2(Proxy.createFunction({ fix: function() {return {};} },
+ function() {},
+ trap))
+}
+
+function TestConstructThrow2(f) {
+ assertThrows(function(){ new f(11) }, "myexn")
+ Object.freeze(f)
+ assertThrows(function(){ new f(11) }, "myexn")
+}
+
+TestConstructThrow(function() { throw "myexn" })
+TestConstructThrow(Proxy.createFunction({}, function() { throw "myexn" }))
+TestConstructThrow(CreateFrozen({}, function() { throw "myexn" }))
+
+
+
+// Using function proxies as getters and setters.
+
+var value
+var receiver
+
+function TestAccessorCall(getterCallTrap, setterCallTrap) {
+ var handler = { fix: function() { return {} } }
+ var pgetter = Proxy.createFunction(handler, getterCallTrap)
+ var psetter = Proxy.createFunction(handler, 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 = ""
+ assertEquals(53, o["a"] = 53)
+ assertSame(o, receiver)
+ assertEquals(53, value)
+ receiver = ""
+ assertEquals(54, o[3] = 54)
+ assertSame(o, receiver)
+ assertEquals(54, value)
+
+ value = 0
+ receiver = ""
+ assertEquals(60, oo.a = 60)
+ assertEquals("", receiver)
+ assertEquals(0, value) // oo has own 'a'
+ assertEquals(61, oo.b = 61)
+ assertSame("", receiver)
+ assertEquals(0, value) // no setter
+ assertThrows(function() { "use strict"; oo.b = 61 }, TypeError)
+ receiver = ""
+ assertEquals(62, oo.c = 62)
+ assertSame(oo, receiver)
+ assertEquals(62, value)
+ receiver = ""
+ assertEquals(63, oo["c"] = 63)
+ assertSame(oo, receiver)
+ assertEquals(63, value)
+ receiver = ""
+ assertEquals(64, oo[3] = 64)
+ assertSame(oo, receiver)
+ assertEquals(64, value)
+}
+
+TestAccessorCall(
+ function() { receiver = this; return 42 },
+ function(x) { receiver = this; value = x }
+)
+
+TestAccessorCall(
+ function() { "use strict"; receiver = this; return 42 },
+ function(x) { "use strict"; receiver = this; value = x }
+)
+
+TestAccessorCall(
+ Proxy.createFunction({}, function() { receiver = this; return 42 }),
+ Proxy.createFunction({}, function(x) { receiver = this; value = x })
+)
+
+TestAccessorCall(
+ CreateFrozen({}, function() { receiver = this; return 42 }),
+ CreateFrozen({}, function(x) { receiver = this; value = x })
+)
+
+
+
+// Passing a proxy function to higher-order library functions.
+
+function TestHigherOrder(f) {
+ assertEquals(6, [6, 2].map(f)[0])
+ assertEquals(4, [5, 2].reduce(f, 4))
+ assertTrue([1, 2].some(f))
+ assertEquals("a.b.c", "a.b.c".replace(".", f))
+}
+
+TestHigherOrder(function(x) { return x })
+TestHigherOrder(function(x) { "use strict"; return x })
+TestHigherOrder(Proxy.createFunction({}, function(x) { return x }))
+TestHigherOrder(CreateFrozen({}, function(x) { return x }))
+
+
+
+// TODO(rossberg): Ultimately, I want to have the following test function
+// run through, but it currently fails on so many cases (some not even
+// involving proxies), that I leave that for later...
+/*
+function TestCalls() {
+ var handler = {
+ get: function(r, k) {
+ return k == "length" ? 2 : Function.prototype[k]
+ }
+ }
+ var bind = Function.prototype.bind
+ var o = {}
+
+ var traps = [
+ function(x, y) {
+ return {receiver: this, result: x + y, strict: false}
+ },
+ function(x, y) { "use strict";
+ return {receiver: this, result: x + y, strict: true}
+ },
+ function() {
+ var x = arguments[0], y = arguments[1]
+ return {receiver: this, result: x + y, strict: false}
+ },
+ Proxy.createFunction(handler, function(x, y) {
+ return {receiver: this, result: x + y, strict: false}
+ }),
+ Proxy.createFunction(handler, function() {
+ var x = arguments[0], y = arguments[1]
+ return {receiver: this, result: x + y, strict: false}
+ }),
+ Proxy.createFunction(handler, function(x, y) { "use strict"
+ return {receiver: this, result: x + y, strict: true}
+ }),
+ CreateFrozen(handler, function(x, y) {
+ return {receiver: this, result: x + y, strict: false}
+ }),
+ CreateFrozen(handler, function(x, y) { "use strict"
+ return {receiver: this, result: x + y, strict: true}
+ }),
+ ]
+ var creates = [
+ function(trap) { return trap },
+ function(trap) { return CreateFrozen({}, callTrap) },
+ function(trap) { return Proxy.createFunction(handler, callTrap) },
+ function(trap) {
+ return Proxy.createFunction(handler, CreateFrozen({}, callTrap))
+ },
+ function(trap) {
+ return Proxy.createFunction(handler, Proxy.createFunction(handler, callTrap))
+ },
+ ]
+ var binds = [
+ function(f, o, x, y) { return f },
+ function(f, o, x, y) { return bind.call(f, o) },
+ function(f, o, x, y) { return bind.call(f, o, x) },
+ function(f, o, x, y) { return bind.call(f, o, x, y) },
+ function(f, o, x, y) { return bind.call(f, o, x, y, 5) },
+ function(f, o, x, y) { return bind.call(bind.call(f, o), {}, x, y) },
+ function(f, o, x, y) { return bind.call(bind.call(f, o, x), {}, y) },
+ function(f, o, x, y) { return bind.call(bind.call(f, o, x, y), {}, 5) },
+ ]
+ var calls = [
+ function(f, x, y) { return f(x, y) },
+ function(f, x, y) { var g = f; return g(x, y) },
+ function(f, x, y) { with ({}) return f(x, y) },
+ function(f, x, y) { var g = f; with ({}) return g(x, y) },
+ function(f, x, y, o) { with (o) return f(x, y) },
+ function(f, x, y, o) { return f.call(o, x, y) },
+ function(f, x, y, o) { return f.apply(o, [x, y]) },
+ function(f, x, y, o) { return Function.prototype.call.call(f, o, x, y) },
+ function(f, x, y, o) { return Function.prototype.apply.call(f, o, [x, y]) },
+ function(f, x, y, o) { return %_CallFunction(o, x, y, f) },
+ function(f, x, y, o) { return %Call(o, x, y, f) },
+ function(f, x, y, o) { return %Apply(f, o, [null, x, y, null], 1, 2) },
+ function(f, x, y, o) { return %Apply(f, o, arguments, 2, 2) },
+ function(f, x, y, o) { if (typeof o == "object") return o.f(x, y) },
+ function(f, x, y, o) { if (typeof o == "object") return o["f"](x, y) },
+ function(f, x, y, o) { if (typeof o == "object") return (1, o).f(x, y) },
+ function(f, x, y, o) { if (typeof o == "object") return (1, o)["f"](x, y) },
+ ]
+ var receivers = [o, global_object, undefined, null, 2, "bla", true]
+ var expectedNonStricts = [o, global_object, global_object, global_object]
+
+ for (var t = 0; t < traps.length; ++t) {
+ for (var i = 0; i < creates.length; ++i) {
+ for (var j = 0; j < binds.length; ++j) {
+ for (var k = 0; k < calls.length; ++k) {
+ for (var m = 0; m < receivers.length; ++m) {
+ for (var n = 0; n < receivers.length; ++n) {
+ var bound = receivers[m]
+ var receiver = receivers[n]
+ var func = binds[j](creates[i](traps[t]), bound, 31, 11)
+ var expected = j > 0 ? bound : receiver
+ var expectedNonStrict = expectedNonStricts[j > 0 ? m : n]
+ o.f = func
+ global_object.f = func
+ var x = calls[k](func, 11, 31, receiver)
+ if (x !== undefined) {
+ assertEquals(42, x.result)
+ if (calls[k].length < 4)
+ assertSame(x.strict ? undefined : global_object, x.receiver)
+ else if (x.strict)
+ assertSame(expected, x.receiver)
+ else if (expectedNonStrict === undefined)
+ assertSame(expected, x.receiver.valueOf())
+ else
+ assertSame(expectedNonStrict, x.receiver)
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+}
+
+TestCalls()
+*/