JSTests/test262/test/built-ins/Number/prototype/toFixed/S15.7.4.5_A1.3_T01.js

// Copyright 2009 the Sputnik authors.  All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.

/*---
info: "Step 4: If this number value is NaN, return the string \"NaN\""
es5id: 15.7.4.5_A1.3_T01
description: NaN is computed by new Number("string")
---*/

//CHECK#1
if ((new Number("a")).toFixed() !== "NaN") {
  $ERROR('#1: (new Number("a")).prototype.toFixed() === "NaN"');
}

//CHECK#2
if ((new Number("a")).toFixed(0) !== "NaN") {
  $ERROR('#2: (new Number("a")).prototype.toFixed(0) === "NaN"');
}

//CHECK#3
if ((new Number("a")).toFixed(1) !== "NaN") {
  $ERROR('#3: (new Number("a")).prototype.toFixed(1) === "NaN"');
}

//CHECK#4
if ((new Number("a")).toFixed(1.1) !== "NaN") {
  $ERROR('#4: (new Number("a")).toFixed(1.1) === "NaN"');
}

//CHECK#5
if ((new Number("a")).toFixed(0.9) !== "NaN") {
  $ERROR('#5: (new Number("a")).toFixed(0.9) === "NaN"');
}

//CHECK#6
if ((new Number("a")).toFixed("1") !== "NaN") {
  $ERROR('#6: (new Number("a")).toFixed("1") === "NaN"');
}

//CHECK#7
if ((new Number("a")).toFixed("1.1") !== "NaN") {
  $ERROR('#7: (new Number("a")).toFixed("1.1") === "NaN"');
}

//CHECK#8
if ((new Number("a")).toFixed("0.9") !== "NaN") {
  $ERROR('#8: (new Number("a")).toFixed("0.9") === "NaN"');
}

//CHECK#9
if ((new Number("a")).toFixed(Number.NaN) !== "NaN") {
  $ERROR('#9: (new Number("a")).toFixed(Number.NaN) === "NaN"');
}

//CHECK#10
if ((new Number("a")).toFixed("some string") !== "NaN") {
  $ERROR('#9: (new Number("a")).toFixed("some string") === "NaN"');
}

//CHECK#10
try {
  s = (new Number("a")).toFixed(Number.POSITIVE_INFINITY);
  $ERROR('#10: (new Number("a")).toFixed(Number.POSITIVE_INFINITY) should throw RangeError, not return NaN');
}
catch (e) {
  if (!(e instanceof RangeError)) {
    $ERROR('#10: (new Number("a")).toFixed(Number.POSITIVE_INFINITY) should throw RangeError, not ' + e);
  }
}