[es6] implement spread calls

test/mjsunit/harmony/spread-call-new.js

Index: test/mjsunit/harmony/spread-call-new.js
diff --git a/test/mjsunit/harmony/spread-call-new.js b/test/mjsunit/harmony/spread-call-new.js
new file mode 100644
index 0000000000000000000000000000000000000000..9b00622148ee15ac4e5d3b9e85ccefe7b65c7bf1
--- /dev/null
+++ b/test/mjsunit/harmony/spread-call-new.js
@@ -0,0 +1,62 @@
+// Copyright 2014 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-spreadcalls
+
+(function testNonConstructorStrict() {
+  "use strict";
+  assertThrows(function() {
+    return new Math.cos(...[1,2,3]);
+  }, TypeError);
+
+  assertThrows(function() {
+    var CallNull = null;
+    return new CallNull(...[1,2,3]);
+  }, TypeError);
+})();
+
+
+(function testNonConstructorSloppy() {
+  assertThrows(function() {
+    return new Math.cos(...[1,2,3]);
+  }, TypeError);
+
+  assertThrows(function() {
+    var CallNull = null;
+    return new CallNull(...[1,2,3]);
+  }, TypeError);
+})();
+
+
+(function testConstructStrict() {
+  "use strict";
+  function TestClass(a, b, c) {
+    this.wasCalled = true;
+    this.args = [a, b, c];
+  }
+  TestClass.prototype.method = function() {
+    return this.args;
+  }
+
+  assertInstanceof(new TestClass(...[1, 2, 3]), TestClass);
+  assertEquals([1, 2, 3], (new TestClass(...[1, 2, 3])).method());
+  assertEquals([1, 2, 3], (new TestClass(...[1, 2, 3])).args);
+  assertTrue((new TestClass(...[1, 2, 3])).wasCalled);
+})();
+
+
+(function testConstructSloppy() {
+  function TestClass(a, b, c) {
+    this.wasCalled = true;
+    this.args = [a, b, c];
+  }
+  TestClass.prototype.method = function() {
+    return this.args;
+  }
+
+  assertInstanceof(new TestClass(...[1, 2, 3]), TestClass);
+  assertEquals([1, 2, 3], (new TestClass(...[1, 2, 3])).method());
+  assertEquals([1, 2, 3], (new TestClass(...[1, 2, 3])).args);
+  assertTrue((new TestClass(...[1, 2, 3])).wasCalled);
+})();