// Copyright 2008 Google Inc. 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.

function toNumber(val) {

  return Number(val);

}

// assertEquals(, toNumber());

assertEquals(123, toNumber(" 123"));

assertEquals(123, toNumber("\n123"));

assertEquals(123, toNumber("\r123"));

assertEquals(123, toNumber("\t123"));

assertEquals(123, toNumber("\f123"));

assertEquals(123, toNumber("123 "));

assertEquals(123, toNumber("123\n"));

assertEquals(123, toNumber("123\r"));

assertEquals(123, toNumber("123\t"));

assertEquals(123, toNumber("123\f"));

assertEquals(123, toNumber(" 123 "));

assertEquals(123, toNumber("\n123\n"));

assertEquals(123, toNumber("\r123\r"));

assertEquals(123, toNumber("\t123\t"));

assertEquals(123, toNumber("\f123\f"));

assertTrue(isNaN(toNumber(" NaN ")));

assertEquals(Infinity,  toNumber(" Infinity ") ," Infinity");

assertEquals(-Infinity, toNumber(" -Infinity "));

assertEquals(Infinity,  toNumber(" +Infinity "), " +Infinity");

assertEquals(Infinity,  toNumber("Infinity ") ,"Infinity");

assertEquals(-Infinity, toNumber("-Infinity "));

assertEquals(Infinity,  toNumber("+Infinity "), "+Infinity");

assertEquals(0,  toNumber("0"));

assertEquals(0,  toNumber("+0"));

assertEquals(-0, toNumber("-0"));

assertEquals(1,  toNumber("1"));

assertEquals(1,  toNumber("+1"));

assertEquals(-1, toNumber("-1"));

assertEquals(2,  toNumber("2"));

assertEquals(2,  toNumber("+2"));

assertEquals(-2, toNumber("-2"));

assertEquals(3.1415926,  toNumber("3.1415926"));

assertEquals(3.1415926,  toNumber("+3.1415926"));

assertEquals(-3.1415926, toNumber("-3.1415926"));

assertEquals(5,  toNumber("5."));

assertEquals(5,  toNumber("+5."));

assertEquals(-5, toNumber("-5."));

assertEquals(500,   toNumber("5e2"));

assertEquals(500,   toNumber("+5e2"));

assertEquals(-500,  toNumber("-5e2"));

assertEquals(500,   toNumber("5e+2"));

assertEquals(500,   toNumber("+5e+2"));

assertEquals(-500,  toNumber("-5e+2"));

assertEquals(0.05,  toNumber("5e-2"));

assertEquals(0.05,  toNumber("+5e-2"));

assertEquals(-0.05, toNumber("-5e-2"));

assertEquals(0.00001,   toNumber(".00001"));

assertEquals(0.00001,   toNumber("+.00001"));

assertEquals(-0.00001,  toNumber("-.00001"));

assertEquals(1,         toNumber(".00001e5"));

assertEquals(1,         toNumber("+.00001e5"));

assertEquals(-1,        toNumber("-.00001e5"));

assertEquals(1,         toNumber(".00001e+5"));

assertEquals(1,         toNumber("+.00001e+5"));

assertEquals(-1,        toNumber("-.00001e+5"));

assertEquals(0.00001,   toNumber(".001e-2"));

assertEquals(0.00001,   toNumber("+.001e-2"));

assertEquals(-0.00001,  toNumber("-.001e-2"));

assertEquals(12340000,   toNumber("1234e4"));

assertEquals(12340000,   toNumber("+1234e4"));

assertEquals(-12340000,  toNumber("-1234e4"));

assertEquals(12340000,   toNumber("1234e+4"));

assertEquals(12340000,   toNumber("+1234e+4"));

assertEquals(-12340000,  toNumber("-1234e+4"));

assertEquals(0.1234,     toNumber("1234e-4"));

assertEquals(0.1234,     toNumber("+1234e-4"));

assertEquals(-0.1234,    toNumber("-1234e-4"));

assertEquals(0,  toNumber("0x0"));

assertEquals(1,  toNumber("0x1"));

assertEquals(2,  toNumber("0x2"));

assertEquals(9,  toNumber("0x9"));

assertEquals(10, toNumber("0xa"));

assertEquals(11, toNumber("0xb"));

assertEquals(15, toNumber("0xf"));

assertEquals(10, toNumber("0xA"));

assertEquals(11, toNumber("0xB"));

assertEquals(15, toNumber("0xF"));

assertEquals(0,  toNumber("0X0"));

assertEquals(9,  toNumber("0X9"));

assertEquals(10, toNumber("0Xa"));

assertEquals(10, toNumber("0XA"));

assertEquals(15, toNumber("0Xf"));

assertEquals(15, toNumber("0XF"));

assertEquals(0,  toNumber("0x000"));

assertEquals(9,  toNumber("0x009"));

assertEquals(10, toNumber("0x00a"));

assertEquals(10, toNumber("0x00A"));

assertEquals(15, toNumber("0x00f"));

assertEquals(15, toNumber("0x00F"));

assertEquals(0, toNumber("00"));

assertEquals(1, toNumber("01"));

assertEquals(2, toNumber("02"));

assertEquals(10, toNumber("010"));

assertEquals(100, toNumber("0100"));

assertEquals(100, toNumber("000100"));

assertEquals(Infinity,  toNumber("1e999"), "1e999");

assertEquals(-Infinity, toNumber("-1e999"));

assertEquals(0,         toNumber("1e-999"));

assertEquals(0,         toNumber("-1e-999"));

assertEquals(Infinity,  1 / toNumber("1e-999"), "1e-999");

assertEquals(-Infinity, 1 / toNumber("-1e-999"));

assertTrue(isNaN(toNumber("junk")), "junk");

assertTrue(isNaN(toNumber("100 junk")), "100 junk");

assertTrue(isNaN(toNumber("0x100 junk")), "0x100 junk");

assertTrue(isNaN(toNumber("100.0 junk")), "100.0 junk");

assertTrue(isNaN(toNumber(".1e4 junk")), ".1e4 junk");

assertTrue(isNaN(toNumber("Infinity junk")), "Infinity junk");