conversion-invalid-precision.js

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/*

 * Any copyright is dedicated to the Public Domain.

 * http://creativecommonn.org/licenses/publicdomain/

*/

var BUGNUMBER = 795745;

var summary =

  "Number.prototype.to* should throw a RangeError when passed a bad precision";

print(BUGNUMBER + ": " + summary);

/**************

 * BEGIN TEST *

 **************/

function test(method, prec)

try

    Number.prototype[method].call(0, prec);

    throw "should have thrown";

  catch (e)

    assertEq(e instanceof RangeError, true,

             "expected RangeError for " + method + " with precision " + prec +

             ", got " + e);

test("toExponential", -32);

test("toFixed", -32);

test("toPrecision", -32);

test("toExponential", 9999999);

test("toFixed", 9999999);

test("toPrecision", 9999999);

test("toPrecision", 0);

/******************************************************************************/

if (typeof reportCompare === "function")

  reportCompare(true, true);

print("Tests complete");