Move V8 to external/v8

Change-Id: If68025d67453785a651c5dfb34fad298c16676a4
diff --git a/test/mjsunit/string-charcodeat.js b/test/mjsunit/string-charcodeat.js
new file mode 100644
index 0000000..f66dd3e
--- /dev/null
+++ b/test/mjsunit/string-charcodeat.js
@@ -0,0 +1,189 @@
+// Copyright 2008 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.
+
+/**
+ * @fileoverview Check all sorts of borderline cases for charCodeAt.
+ */
+
+function Cons() {
+  return "Te" + "st";
+}
+
+
+function Deep() {
+  var a = "T";
+  a += "e";
+  a += "s";
+  a += "t";
+  return a;
+}
+
+
+function Slice() {
+  return "testing Testing".substring(8, 12);
+}
+
+
+function Flat() {
+  return "Test";
+}
+
+function Cons16() {
+  return "Te" + "\u1234t";
+}
+
+
+function Deep16() {
+  var a = "T";
+  a += "e";
+  a += "\u1234";
+  a += "t";
+  return a;
+}
+
+
+function Slice16Beginning() {
+  return "Te\u1234t test".substring(0, 4);
+}
+
+
+function Slice16Middle() {
+  return "test Te\u1234t test".substring(5, 9);
+}
+
+
+function Slice16End() {
+  return "test Te\u1234t".substring(5, 9);
+}
+
+
+function Flat16() {
+  return "Te\u1234t";
+}
+
+
+function Thing() {
+}
+
+
+function NotAString() {
+  var n = new Thing();
+  n.toString = function() { return "Test"; };
+  n.charCodeAt = String.prototype.charCodeAt;
+  return n;
+}
+
+
+function NotAString16() {
+  var n = new Thing();
+  n.toString = function() { return "Te\u1234t"; };
+  n.charCodeAt = String.prototype.charCodeAt;
+  return n;
+}
+
+
+function TestStringType(generator, sixteen) {
+  var g = generator;
+  assertTrue(isNaN(g().charCodeAt(-1e19)));
+  assertTrue(isNaN(g().charCodeAt(-0x80000001)));
+  assertTrue(isNaN(g().charCodeAt(-0x80000000)));
+  assertTrue(isNaN(g().charCodeAt(-0x40000000)));
+  assertTrue(isNaN(g().charCodeAt(-1)));
+  assertTrue(isNaN(g().charCodeAt(4)));
+  assertTrue(isNaN(g().charCodeAt(5)));
+  assertTrue(isNaN(g().charCodeAt(0x3fffffff)));
+  assertTrue(isNaN(g().charCodeAt(0x7fffffff)));
+  assertTrue(isNaN(g().charCodeAt(0x80000000)));
+  assertTrue(isNaN(g().charCodeAt(1e9)));
+  assertEquals(84, g().charCodeAt(0));
+  assertEquals(84, g().charCodeAt("test"));
+  assertEquals(84, g().charCodeAt(""));
+  assertEquals(84, g().charCodeAt(null));
+  assertEquals(84, g().charCodeAt(undefined));
+  assertEquals(84, g().charCodeAt());
+  assertEquals(84, g().charCodeAt(void 0));
+  assertEquals(84, g().charCodeAt(false));
+  assertEquals(101, g().charCodeAt(true));
+  assertEquals(101, g().charCodeAt(1));
+  assertEquals(sixteen ? 0x1234 : 115, g().charCodeAt(2));
+  assertEquals(116, g().charCodeAt(3));
+  assertEquals(101, g().charCodeAt(1.1));
+  assertEquals(sixteen ? 0x1234 : 115, g().charCodeAt(2.1718));
+  assertEquals(116, g().charCodeAt(3.14159));
+}
+
+
+TestStringType(Cons, false);
+TestStringType(Deep, false);
+TestStringType(Slice, false);
+TestStringType(Flat, false);
+TestStringType(NotAString, false);
+TestStringType(Cons16, true);
+TestStringType(Deep16, true);
+TestStringType(Slice16Beginning, true);
+TestStringType(Slice16Middle, true);
+TestStringType(Slice16End, true);
+TestStringType(Flat16, true);
+TestStringType(NotAString16, true);
+
+
+function StupidThing() {
+  // Doesn't return a string from toString!
+  this.toString = function() { return 42; }
+  this.charCodeAt = String.prototype.charCodeAt;
+}
+
+assertEquals(52, new StupidThing().charCodeAt(0));
+assertEquals(50, new StupidThing().charCodeAt(1));
+assertTrue(isNaN(new StupidThing().charCodeAt(2)));
+assertTrue(isNaN(new StupidThing().charCodeAt(-1)));
+
+
+// Medium (>255) and long (>65535) strings.
+
+var medium = "12345678";
+medium += medium; // 16.
+medium += medium; // 32.
+medium += medium; // 64.
+medium += medium; // 128.
+medium += medium; // 256.
+
+var long = medium;
+long += long + long + long;     // 1024.
+long += long + long + long;     // 4096.
+long += long + long + long;     // 16384.
+long += long + long + long;     // 65536.
+
+assertTrue(isNaN(medium.charCodeAt(-1)));
+assertEquals(49, medium.charCodeAt(0));
+assertEquals(56, medium.charCodeAt(255));
+assertTrue(isNaN(medium.charCodeAt(256)));
+
+assertTrue(isNaN(long.charCodeAt(-1)));
+assertEquals(49, long.charCodeAt(0));
+assertEquals(56, long.charCodeAt(65535));
+assertTrue(isNaN(long.charCodeAt(65536)));