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+// Any copyright is dedicated to the Public Domain.
+// http://creativecommons.org/licenses/publicdomain/
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 886949;
+var summary = "ES6 (draft May 2013) 15.7.3.9 Number.parseInt(string, radix)";
+
+print(BUGNUMBER + ": " + summary);
+
+/**************
+ * BEGIN TEST *
+ **************/
+
+var str, radix;
+var upvar;
+
+/* 1. Let inputString be ToString(string). */
+
+assertEq(Number.parseInt({ toString: function() { return "17" } }, 10), 17);
+
+upvar = 0;
+str = { get toString() { upvar++; return function() { upvar++; return "12345"; } } };
+assertEq(Number.parseInt(str, 10), 12345);
+assertEq(upvar, 2);
+
+
+/*
+ * 2. Let S be a newly created substring of inputString consisting of the first
+ * character that is not a StrWhiteSpaceChar and all characters following
+ * that character. (In other words, remove leading white space.)
+ */
+
+var ws =
+ ["\t", "\v", "\f", " ", "\xA0", "\uFEFF",
+ "\u2004", "\u3000", // a few Unicode whitespaces
+ "\r", "\n", "\u2028", "\u2029"];
+
+str = "8675309";
+for (var i = 0, sz = ws.length; i < sz; i++)
+{
+ assertEq(Number.parseInt(ws[i] + str, 10), 8675309);
+ for (var j = 0, sz = ws.length; j < sz; j++)
+ {
+ assertEq(Number.parseInt(ws[i] + ws[j] + str, 10), 8675309,
+ ws[i].charCodeAt(0).toString(16) + ", " +
+ ws[j].charCodeAt(0).toString(16));
+ }
+}
+
+
+/*
+ * 3. Let sign be 1.
+ * 4. If S is not empty and the first character of S is a minus sign -, let
+ * sign be −1.
+ */
+str = "5552368";
+assertEq(Number.parseInt("-" + str, 10), -Number.parseInt(str, 10));
+assertEq(Number.parseInt(" -" + str, 10), -Number.parseInt(str, 10));
+assertEq(Number.parseInt("-", 10), NaN);
+assertEq(Number.parseInt("", 10), NaN);
+assertEq(Number.parseInt("-0", 10), -0);
+
+
+/*
+ * 5. If S is not empty and the first character of S is a plus sign + or a
+ * minus sign -, then remove the first character from S.
+ */
+assertEq(Number.parseInt("+12345", 10), 12345);
+assertEq(Number.parseInt(" +12345", 10), 12345);
+assertEq(Number.parseInt("-12345", 10), -12345);
+assertEq(Number.parseInt(" -12345", 10), -12345);
+
+
+/*
+ * 6. Let R = ToInt32(radix).
+ */
+
+upvar = "";
+str =
+ { toString: function() { if (!upvar) upvar = "string"; return "42"; } };
+radix =
+ { toString: function() { if (!upvar) upvar = "radix"; return "10"; } };
+
+assertEq(Number.parseInt(str, radix), 42);
+assertEq(upvar, "string");
+
+assertEq(Number.parseInt("123", null), 123);
+assertEq(Number.parseInt("123", undefined), 123);
+assertEq(Number.parseInt("123", NaN), 123);
+assertEq(Number.parseInt("123", -0), 123);
+assertEq(Number.parseInt("10", 72057594037927950), 16);
+assertEq(Number.parseInt("10", -4294967292), 4);
+assertEq(Number.parseInt("0x10", 1e308), 16);
+assertEq(Number.parseInt("10", 1e308), 10);
+assertEq(Number.parseInt("10", { valueOf: function() { return 16; } }), 16);
+
+
+/*
+ * 7. Let stripPrefix be true.
+ * 8. If R ≠ 0, then
+ * a. If R < 2 or R > 36, then return NaN.
+ * b. If R ≠ 16, let stripPrefix be false.
+ * 9. Else, R = 0
+ * a. Let R = 10.
+ * 10. If stripPrefix is true, then
+ * a. If the length of S is at least 2 and the first two characters of S
+ * are either “0x” or “0X”, then remove the first two characters from S and
+ * let R = 16.
+ */
+var vs = ["1", "51", "917", "2343", "99963"];
+for (var i = 0, sz = vs.length; i < sz; i++)
+ assertEq(Number.parseInt(vs[i], 0), Number.parseInt(vs[i], 10), "bad " + vs[i]);
+
+assertEq(Number.parseInt("0x10"), 16);
+assertEq(Number.parseInt("0x10", 0), 16);
+assertEq(Number.parseInt("0x10", 16), 16);
+assertEq(Number.parseInt("0x10", 8), 0);
+assertEq(Number.parseInt("-0x10", 16), -16);
+
+assertEq(Number.parseInt("5", 1), NaN);
+assertEq(Number.parseInt("5", 37), NaN);
+assertEq(Number.parseInt("5", { valueOf: function() { return -1; } }), NaN);
+
+
+/*
+ * 11. If S contains any character that is not a radix-R digit, then let Z be
+ * the substring of S consisting of all characters before the first such
+ * character; otherwise, let Z be S.
+ * 12. If Z is empty, return NaN.
+ */
+assertEq(Number.parseInt(""), NaN);
+assertEq(Number.parseInt("ohai"), NaN);
+assertEq(Number.parseInt("0xohai"), NaN);
+assertEq(Number.parseInt("-ohai"), NaN);
+assertEq(Number.parseInt("+ohai"), NaN);
+assertEq(Number.parseInt(" ohai"), NaN);
+
+assertEq(Number.parseInt("0xaohai"), 10);
+assertEq(Number.parseInt("hohai", 18), 17);
+
+
+/*
+ * 13. Let mathInt be the mathematical integer value that is represented by Z
+ * in radix-R notation, using the letters A-Z and a-z for digits with
+ * values 10 through 35. (However, if R is 10 and Z contains more than 20
+ * significant digits, every significant digit after the 20th may be
+ * replaced by a 0 digit, at the option of the implementation; and if R is
+ * not 2, 4, 8, 10, 16, or 32, then mathInt may be an implementation-
+ * dependent approximation to the mathematical integer value that is
+ * represented by Z in radix-R notation.)
+ * 14. Let number be the Number value for mathInt.
+ * 15. Return sign × number.
+ */
+assertEq(Number.parseInt("ohai", 36), 1142154);
+assertEq(Number.parseInt("0ohai", 36), 1142154);
+assertEq(Number.parseInt("00ohai", 36), 1142154);
+assertEq(Number.parseInt("A", 16), 10);
+assertEq(Number.parseInt("0A", 16), 10);
+assertEq(Number.parseInt("00A", 16), 10);
+assertEq(Number.parseInt("A", 17), 10);
+assertEq(Number.parseInt("0A", 17), 10);
+assertEq(Number.parseInt("00A", 17), 10);
+
+/* Number.parseInt should be the same function object as global parseInt. */
+assertEq(Number.parseInt, parseInt);
+
+/******************************************************************************/
+
+if (typeof reportCompare === "function")
+ reportCompare(true, true);
+
+print("All tests passed!");