Bug 1339406 - Part 5: Remove unused functions from shell.js files. r=arai
authorAndré Bargull <andre.bargull@gmail.com>
Tue, 14 Feb 2017 10:26:18 -0800
changeset 342913 c5f655086e0cf6ab05ad63f81f36cf8ef40325f4
parent 342912 509ba75cce2b4ad687aeb7f9da68b5961a1cee4e
child 342914 8de9955bf06203b53da9a1ff4d780af21b6aefb6
push id31366
push usercbook@mozilla.com
push dateWed, 15 Feb 2017 11:25:19 +0000
treeherdermozilla-central@c0807d6938c1 [default view] [failures only]
perfherder[talos] [build metrics] [platform microbench] (compared to previous push)
reviewersarai
bugs1339406
milestone54.0a1
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nightly win32
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Bug 1339406 - Part 5: Remove unused functions from shell.js files. r=arai
js/src/tests/browser.js
js/src/tests/ecma/shell.js
js/src/tests/ecma_2/shell.js
js/src/tests/ecma_3/Date/shell.js
js/src/tests/ecma_3/Object/shell.js
js/src/tests/ecma_5/JSON/shell.js
js/src/tests/ecma_5/shell.js
js/src/tests/js1_8_1/strict/shell.js
--- a/js/src/tests/browser.js
+++ b/js/src/tests/browser.js
@@ -634,19 +634,16 @@ function jsTestDriverEnd()
 
     // tell reftest the test is complete.
     document.documentElement.className = '';
     // tell Spider page is complete
     gPageCompleted = true;
   }
 }
 
-//var dlog = (function (s) { print('debug: ' + s); });
-var dlog = (function (s) {});
-
 // dialog closer from http://bclary.com/projects/spider/spider/chrome/content/spider/dialog-closer.js
 
 var gDialogCloser;
 var gDialogCloserObserver;
 
 function registerDialogCloser()
 {
   gDialogCloser = SpecialPowers.
--- a/js/src/tests/ecma/shell.js
+++ b/js/src/tests/ecma/shell.js
@@ -625,14 +625,8 @@ function ToInteger( t ) {
        t == Number.POSITIVE_INFINITY || t == Number.NEGATIVE_INFINITY ) {
     return 0;
   }
 
   var sign = ( t < 0 ) ? -1 : 1;
 
   return ( sign * Math.floor( Math.abs( t ) ) );
 }
-function Enumerate ( o ) {
-  var p;
-  for ( p in o ) {
-    print( p +": " + o[p] );
-  }
-}
--- a/js/src/tests/ecma_2/shell.js
+++ b/js/src/tests/ecma_2/shell.js
@@ -1,18 +0,0 @@
-/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-
-
-var TZ_DIFF = getTimeZoneDiff();
-
-/*
- * Originally, the test suite used a hard-coded value TZ_DIFF = -8.
- * But that was only valid for testers in the Pacific Standard Time Zone!
- * We calculate the proper number dynamically for any tester. We just
- * have to be careful to use a date not subject to Daylight Savings Time...
- */
-function getTimeZoneDiff()
-{
-  return -((new Date(2000, 1, 1)).getTimezoneOffset())/60;
-}
--- a/js/src/tests/ecma_3/Date/shell.js
+++ b/js/src/tests/ecma_3/Date/shell.js
@@ -4,26 +4,19 @@
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 
 
 /*
  * Date functions used by tests in Date suite
  *
  */
 var msPerDay =   86400000;
-var HoursPerDay =  24;
-var MinutesPerHour = 60;
-var SecondsPerMinute = 60;
-var msPerSecond =  1000;
-var msPerMinute =  60000;  // msPerSecond * SecondsPerMinute
-var msPerHour =   3600000; // msPerMinute * MinutesPerHour
+var msPerHour =   3600000; // 1000 * 60 * 60
 var TZ_DIFF = getTimeZoneDiff();  // offset of tester's timezone from UTC
 var TZ_ADJUST = TZ_DIFF * msPerHour;
-var TZ_PST = -8;  // offset of Pacific Standard Time from UTC
-var PST_DIFF = TZ_DIFF - TZ_PST;  // offset of tester's timezone from PST
 var TIME_1970  = 0;
 var TIME_2000  = 946684800000;
 var TIME_1900  = -2208988800000;
 var UTC_29_FEB_2000 = TIME_2000 + 31*msPerDay + 28*msPerDay;
 var UTC_1_JAN_2005 = TIME_2000 + TimeInYear(2000) + TimeInYear(2001) +
   TimeInYear(2002) + TimeInYear(2003) + TimeInYear(2004);
 var now = new Date();
 var TIME_NOW = now.valueOf();  //valueOf() is to accurate to the millisecond
@@ -35,496 +28,37 @@ var TIME_NOW = now.valueOf();  //valueOf
  * We calculate the proper number dynamically for any tester. We just
  * have to be careful not to use a date subject to Daylight Savings Time...
  */
 function getTimeZoneDiff()
 {
   return -((new Date(2000, 1, 1)).getTimezoneOffset())/60;
 }
 
-
-/*
- * Date test "ResultArrays" are hard-coded for Pacific Standard Time.
- * We must adjust them for the tester's own timezone -
- */
-function adjustResultArray(ResultArray, msMode)
-{
-  // If the tester's system clock is in PST, no need to continue -
-  if (!PST_DIFF) {return;}
-
-  /* The date testcases instantiate Date objects in two different ways:
-   *
-   *        millisecond mode: e.g.   dt = new Date(10000000);
-   *        year-month-day mode:  dt = new Date(2000, 5, 1, ...);
-   *
-   * In the first case, the date is measured from Time 0 in Greenwich (i.e. UTC).
-   * In the second case, it is measured with reference to the tester's local timezone.
-   *
-   * In the first case we must correct those values expected for local measurements,
-   * like dt.getHours() etc. No correction is necessary for dt.getUTCHours() etc.
-   *
-   * In the second case, it is exactly the other way around -
-   */
-  if (msMode)
-  {
-    // The hard-coded UTC milliseconds from Time 0 derives from a UTC date.
-    // Shift to the right by the offset between UTC and the tester.
-    var t = ResultArray[TIME]  +  TZ_DIFF*msPerHour;
-
-    // Use our date arithmetic functions to determine the local hour, day, etc.
-    ResultArray[HOURS] = HourFromTime(t);
-    ResultArray[DAY] = WeekDay(t);
-    ResultArray[DATE] = DateFromTime(t);
-    ResultArray[MONTH] = MonthFromTime(t);
-    ResultArray[YEAR] = YearFromTime(t); 
-  }
-  else
-  {
-    // The hard-coded UTC milliseconds from Time 0 derives from a PST date.
-    // Shift to the left by the offset between PST and the tester.
-    var t = ResultArray[TIME]  -  PST_DIFF*msPerHour;
-
-    // Use our date arithmetic functions to determine the UTC hour, day, etc.
-    ResultArray[TIME] = t;
-    ResultArray[UTC_HOURS] = HourFromTime(t);
-    ResultArray[UTC_DAY] = WeekDay(t);
-    ResultArray[UTC_DATE] = DateFromTime(t);
-    ResultArray[UTC_MONTH] = MonthFromTime(t);
-    ResultArray[UTC_YEAR] = YearFromTime(t);
-  }
-}
-
-
-function Day( t ) {
-  return ( Math.floor(t/msPerDay ) );
-}
 function DaysInYear( y ) {
   if ( y % 4 != 0 ) {
     return 365;
   }
   if ( (y % 4 == 0) && (y % 100 != 0) ) {
     return 366;
   }
   if ( (y % 100 == 0) && (y % 400 != 0) ) {
     return 365;
   }
   if ( (y % 400 == 0) ){
     return 366;
   } else {
     return "ERROR: DaysInYear(" + y + ") case not covered";
   }
 }
+
 function TimeInYear( y ) {
   return ( DaysInYear(y) * msPerDay );
 }
-function DayNumber( t ) {
-  return ( Math.floor( t / msPerDay ) );
-}
-function TimeWithinDay( t ) {
 
+function TimeWithinDay(t) {
   var r = t % msPerDay;
 
-  if (r < 0)
-  {
+  if (r < 0) {
     r += msPerDay;
   }
   return r;
-
 }
-function YearNumber( t ) {
-}
-function TimeFromYear( y ) {
-  return ( msPerDay * DayFromYear(y) );
-}
-function DayFromYear( y ) {
-  return ( 365*(y-1970) +
-           Math.floor((y-1969)/4) -
-           Math.floor((y-1901)/100) +
-           Math.floor((y-1601)/400) );
-}
-function InLeapYear( t ) {
-  if ( DaysInYear(YearFromTime(t)) == 365 ) {
-    return 0;
-  }
-  if ( DaysInYear(YearFromTime(t)) == 366 ) {
-    return 1;
-  } else {
-    return "ERROR:  InLeapYear("+ t + ") case not covered";
-  }
-}
-function YearFromTime( t ) {
-  t = Number( t );
-  var sign = ( t < 0 ) ? -1 : 1;
-  var year = ( sign < 0 ) ? 1969 : 1970;
-  for ( var timeToTimeZero = t; ;  ) {
-    // subtract the current year's time from the time that's left.
-    timeToTimeZero -= sign * TimeInYear(year)
-
-      // if there's less than the current year's worth of time left, then break.
-      if ( sign < 0 ) {
-        if ( sign * timeToTimeZero <= 0 ) {
-          break;
-        } else {
-          year += sign;
-        }
-      } else {
-        if ( sign * timeToTimeZero < 0 ) {
-          break;
-        } else {
-          year += sign;
-        }
-      }
-  }
-  return ( year );
-}
-function MonthFromTime( t ) {
-  // i know i could use switch but i'd rather not until it's part of ECMA
-  var day = DayWithinYear( t );
-  var leap = InLeapYear(t);
-
-  if ( (0 <= day) && (day < 31) ) {
-    return 0;
-  }
-  if ( (31 <= day) && (day < (59+leap)) ) {
-    return 1;
-  }
-  if ( ((59+leap) <= day) && (day < (90+leap)) ) {
-    return 2;
-  }
-  if ( ((90+leap) <= day) && (day < (120+leap)) ) {
-    return 3;
-  }
-  if ( ((120+leap) <= day) && (day < (151+leap)) ) {
-    return 4;
-  }
-  if ( ((151+leap) <= day) && (day < (181+leap)) ) {
-    return 5;
-  }
-  if ( ((181+leap) <= day) && (day < (212+leap)) ) {
-    return 6;
-  }
-  if ( ((212+leap) <= day) && (day < (243+leap)) ) {
-    return 7;
-  }
-  if ( ((243+leap) <= day) && (day < (273+leap)) ) {
-    return 8;
-  }
-  if ( ((273+leap) <= day) && (day < (304+leap)) ) {
-    return 9;
-  }
-  if ( ((304+leap) <= day) && (day < (334+leap)) ) {
-    return 10;
-  }
-  if ( ((334+leap) <= day) && (day < (365+leap)) ) {
-    return 11;
-  } else {
-    return "ERROR: MonthFromTime("+t+") not known";
-  }
-}
-function DayWithinYear( t ) {
-  return( Day(t) - DayFromYear(YearFromTime(t)));
-}
-function DateFromTime( t ) {
-  var day = DayWithinYear(t);
-  var month = MonthFromTime(t);
-
-  if ( month == 0 ) {
-    return ( day + 1 );
-  }
-  if ( month == 1 ) {
-    return ( day - 30 );
-  }
-  if ( month == 2 ) {
-    return ( day - 58 - InLeapYear(t) );
-  }
-  if ( month == 3 ) {
-    return ( day - 89 - InLeapYear(t));
-  }
-  if ( month == 4 ) {
-    return ( day - 119 - InLeapYear(t));
-  }
-  if ( month == 5 ) {
-    return ( day - 150- InLeapYear(t));
-  }
-  if ( month == 6 ) {
-    return ( day - 180- InLeapYear(t));
-  }
-  if ( month == 7 ) {
-    return ( day - 211- InLeapYear(t));
-  }
-  if ( month == 8 ) {
-    return ( day - 242- InLeapYear(t));
-  }
-  if ( month == 9 ) {
-    return ( day - 272- InLeapYear(t));
-  }
-  if ( month == 10 ) {
-    return ( day - 303- InLeapYear(t));
-  }
-  if ( month == 11 ) {
-    return ( day - 333- InLeapYear(t));
-  }
-
-  return ("ERROR:  DateFromTime("+t+") not known" );
-}
-function WeekDay( t ) {
-  var weekday = (Day(t)+4) % 7;
-  return( weekday < 0 ? 7 + weekday : weekday );
-}
-
-// missing daylight savings time adjustment
-
-function HourFromTime( t ) {
-  var h = Math.floor( t / msPerHour ) % HoursPerDay;
-  return ( (h<0) ? HoursPerDay + h : h  );
-}
-function MinFromTime( t ) {
-  var min = Math.floor( t / msPerMinute ) % MinutesPerHour;
-  return( ( min < 0 ) ? MinutesPerHour + min : min  );
-}
-function SecFromTime( t ) {
-  var sec = Math.floor( t / msPerSecond ) % SecondsPerMinute;
-  return ( (sec < 0 ) ? SecondsPerMinute + sec : sec );
-}
-function msFromTime( t ) {
-  var ms = t % msPerSecond;
-  return ( (ms < 0 ) ? msPerSecond + ms : ms );
-}
-function LocalTZA() {
-  return ( TZ_DIFF * msPerHour );
-}
-function UTC( t ) {
-  return ( t - LocalTZA() - DaylightSavingTA(t - LocalTZA()) );
-}
-
-function DaylightSavingTA( t ) {
-  t = t - LocalTZA();
-
-  var dst_start = GetDSTStart(t);
-  var dst_end   = GetDSTEnd(t);
-
-  if ( t >= dst_start && t < dst_end )
-    return msPerHour;
-
-  return 0;
-}
-
-function GetFirstSundayInMonth( t, m ) {
-  var year = YearFromTime(t);
-  var leap = InLeapYear(t);
-
-// month m 0..11
-// april == 3
-// march == 2
-
-  // set time to first day of month m
-  var time = TimeFromYear(year);
-  for (var i = 0; i < m; ++i)
-  {
-    time += TimeInMonth(i, leap);
-  }
-
-  for ( var first_sunday = time; WeekDay(first_sunday) > 0;
-        first_sunday += msPerDay )
-  {
-    ;
-  }
-
-  return first_sunday;
-}
-
-function GetLastSundayInMonth( t, m ) {
-  var year = YearFromTime(t);
-  var leap = InLeapYear(t);
-
-// month m 0..11
-// april == 3
-// march == 2
-
-  // first day of following month
-  var time = TimeFromYear(year);
-  for (var i = 0; i <= m; ++i)
-  {
-    time += TimeInMonth(i, leap);
-  }
-  // prev day == last day of month
-  time -= msPerDay;
-
-  for ( var last_sunday = time; WeekDay(last_sunday) > 0;
-        last_sunday -= msPerDay )
-  {
-    ;
-  }
-  return last_sunday;
-}
-
-/*
-  15.9.1.9 Daylight Saving Time Adjustment
-
-  The implementation of ECMAScript should not try to determine whether
-  the exact time was subject to daylight saving time, but just whether
-  daylight saving time would have been in effect if the current
-  daylight saving time algorithm had been used at the time. This avoids
-  complications such as taking into account the years that the locale
-  observed daylight saving time year round.
-*/
-
-/*
-  US DST algorithm
-
-  Before 2007, DST starts first Sunday in April at 2 AM and ends last
-  Sunday in October at 2 AM
-
-  Starting in 2007, DST starts second Sunday in March at 2 AM and ends
-  first Sunday in November at 2 AM
-
-  Note that different operating systems behave differently.
-
-  Fully patched Windows XP uses the 2007 algorithm for all dates while
-  fully patched Fedora Core 6 and RHEL 4 Linux use the algorithm in
-  effect at the time.
-
-  Since pre-2007 DST is a subset of 2007 DST rules, this only affects
-  tests that occur in the period Mar-Apr and Oct-Nov where the two
-  algorithms do not agree.
-
-*/
-
-function GetDSTStart( t )
-{
-  return (GetFirstSundayInMonth(t, 2) + 7*msPerDay + 2*msPerHour - LocalTZA());
-}
-
-function GetDSTEnd( t )
-{
-  return (GetFirstSundayInMonth(t, 10) + 2*msPerHour - LocalTZA());
-}
-
-function GetOldDSTStart( t )
-{
-  return (GetFirstSundayInMonth(t, 3) + 2*msPerHour - LocalTZA());
-}
-
-function GetOldDSTEnd( t )
-{
-  return (GetLastSundayInMonth(t, 9) + 2*msPerHour - LocalTZA());
-}
-
-function LocalTime( t ) {
-  return ( t + LocalTZA() + DaylightSavingTA(t) );
-}
-function MakeTime( hour, min, sec, ms ) {
-  if ( isNaN( hour ) || isNaN( min ) || isNaN( sec ) || isNaN( ms ) ) {
-    return Number.NaN;
-  }
-
-  hour = ToInteger(hour);
-  min  = ToInteger( min);
-  sec  = ToInteger( sec);
-  ms  = ToInteger( ms );
-
-  return( (hour*msPerHour) + (min*msPerMinute) +
-          (sec*msPerSecond) + ms );
-}
-function MakeDay( year, month, date ) {
-  if ( isNaN(year) || isNaN(month) || isNaN(date) ) {
-    return Number.NaN;
-  }
-  year = ToInteger(year);
-  month = ToInteger(month);
-  date = ToInteger(date );
-
-  var sign = ( year < 1970 ) ? -1 : 1;
-  var t =    ( year < 1970 ) ? 1 :  0;
-  var y =    ( year < 1970 ) ? 1969 : 1970;
-
-  var result5 = year + Math.floor( month/12 );
-  var result6 = month % 12;
-
-  if ( year < 1970 ) {
-    for ( y = 1969; y >= year; y += sign ) {
-      t += sign * TimeInYear(y);
-    }
-  } else {
-    for ( y = 1970 ; y < year; y += sign ) {
-      t += sign * TimeInYear(y);
-    }
-  }
-
-  var leap = InLeapYear( t );
-
-  for ( var m = 0; m < month; m++ ) {
-    t += TimeInMonth( m, leap );
-  }
-
-  if ( YearFromTime(t) != result5 ) {
-    return Number.NaN;
-  }
-  if ( MonthFromTime(t) != result6 ) {
-    return Number.NaN;
-  }
-  if ( DateFromTime(t) != 1 ) {
-    return Number.NaN;
-  }
-
-  return ( (Day(t)) + date - 1 );
-}
-function TimeInMonth( month, leap ) {
-  // september april june november
-  // jan 0  feb 1  mar 2 apr 3 may 4  june 5  jul 6
-  // aug 7  sep 8  oct 9 nov 10 dec 11
-
-  if ( month == 3 || month == 5 || month == 8 || month == 10 ) {
-    return ( 30*msPerDay );
-  }
-
-  // all the rest
-  if ( month == 0 || month == 2 || month == 4 || month == 6 ||
-       month == 7 || month == 9 || month == 11 ) {
-    return ( 31*msPerDay );
-  }
-
-  // save february
-  return ( (leap == 0) ? 28*msPerDay : 29*msPerDay );
-}
-function MakeDate( day, time ) {
-  if ( day == Number.POSITIVE_INFINITY ||
-       day == Number.NEGATIVE_INFINITY ) {
-    return Number.NaN;
-  }
-  if ( time == Number.POSITIVE_INFINITY ||
-       time == Number.NEGATIVE_INFINITY ) {
-    return Number.NaN;
-  }
-  return ( day * msPerDay ) + time;
-}
-function TimeClip( t ) {
-  if ( isNaN( t ) ) {
-    return ( Number.NaN );
-  }
-  if ( Math.abs( t ) > 8.64e15 ) {
-    return ( Number.NaN );
-  }
-
-  return ( ToInteger( t ) );
-}
-function ToInteger( t ) {
-  t = Number( t );
-
-  if ( isNaN( t ) ){
-    return ( Number.NaN );
-  }
-  if ( t == 0 || t == -0 ||
-       t == Number.POSITIVE_INFINITY || t == Number.NEGATIVE_INFINITY ) {
-    return 0;
-  }
-
-  var sign = ( t < 0 ) ? -1 : 1;
-
-  return ( sign * Math.floor( Math.abs( t ) ) );
-}
-function Enumerate ( o ) {
-  var p;
-  for ( p in o ) {
-    print( p +": " + o[p] );
-  }
-}
-
--- a/js/src/tests/ecma_3/Object/shell.js
+++ b/js/src/tests/ecma_3/Object/shell.js
@@ -11,36 +11,27 @@
  * Suppose obj is an instance of a native type, e.g. Number.
  * Then obj.toString() invokes Number.prototype.toString().
  * We would also like to access Object.prototype.toString().
  *
  * The difference is this: suppose obj = new Number(7).
  * Invoking Number.prototype.toString() on this just returns 7.
  * Object.prototype.toString() on this returns '[object Number]'.
  *
- * The getJSType() function below will return '[object Number]' for us.
  * The getJSClass() function returns 'Number', the [[Class]] property of obj.
  * See ECMA-262 Edition 3,  13-Oct-1999,  Section 8.6.2 
  */
 //-----------------------------------------------------------------------------
 
 
 var cnNoObject = 'Unexpected Error!!! Parameter to this function must be an object';
 var cnNoClass = 'Unexpected Error!!! Cannot find Class property';
 var cnObjectToString = Object.prototype.toString;
 var GLOBAL = 'global';
 
-// checks that it's safe to call findType()
-function getJSType(obj)
-{
-  if (isObject(obj))
-    return findType(obj);
-  return cnNoObject;
-}
-
 
 // checks that it's safe to call findType()
 function getJSClass(obj)
 {
   if (isObject(obj))
     return findClass(findType(obj));
   return cnNoObject;
 }
--- a/js/src/tests/ecma_5/JSON/shell.js
+++ b/js/src/tests/ecma_5/JSON/shell.js
@@ -1,10 +1,8 @@
-gTestsubsuite='JSON';
-
 function testJSON(str, expectSyntaxError)
 {
   // Leading and trailing whitespace never affect parsing, so test the string
   // multiple times with and without whitespace around it as it's easy and can
   // potentially detect bugs.
 
   // Try the provided string
   try
--- a/js/src/tests/ecma_5/shell.js
+++ b/js/src/tests/ecma_5/shell.js
@@ -43,31 +43,16 @@ function returns(value) {
       return eval(code) === value;
     } catch (exception) {
       return false;
     }
   }
 }
 
 /*
- * returnsCopyOf(VALUE)(CODE) returns true if evaluating CODE (as eval code)
- * completes normally (rather than throwing an exception), yielding a value
- * that is deepEqual to VALUE.
- */
-function returnsCopyOf(value) {
-  return function(code) {
-    try {
-      return deepEqual(eval(code), value);
-    } catch (exception) {
-      return false;
-    }
-  }
-}
-
-/*
  * raisesException(EXCEPTION)(CODE) returns true if evaluating CODE (as
  * eval code) throws an exception object that is an instance of EXCEPTION,
  * and returns false if it throws any other error or evaluates
  * successfully. For example: raises(TypeError)("0()") == true.
  */
 function raisesException(exception) {
   return function (code) {
     try {
@@ -103,25 +88,16 @@ function parseRaisesException(exception)
       return false;
     } catch (actual) {
       return actual instanceof exception;
     }
   };
 };
 
 /*
- * Return the result of applying uneval to VAL, and replacing all runs
- * of whitespace with a single horizontal space (poor man's
- * tokenization).
- */
-function clean_uneval(val) {
-  return uneval(val).replace(/\s+/g, ' ');
-}
-
-/*
  * Return true if A is equal to B, where equality on arrays and objects
  * means that they have the same set of enumerable properties, the values
  * of each property are deep_equal, and their 'length' properties are
  * equal. Equality on other types is ==.
  */
 function deepEqual(a, b) {
     if (typeof a != typeof b)
         return false;
--- a/js/src/tests/js1_8_1/strict/shell.js
+++ b/js/src/tests/js1_8_1/strict/shell.js
@@ -28,34 +28,16 @@ function completesNormally(code) {
     eval(code);
     return true;
   } catch (exception) {
     return false;
   }
 }
 
 /*
- * raisesException(EXCEPTION)(CODE) returns true if evaluating CODE (as eval
- * code) throws an exception object whose prototype is
- * EXCEPTION.prototype, and returns false if it throws any other error
- * or evaluates successfully. For example: raises(TypeError)("0()") ==
- * true.
- */
-function raisesException(exception) {
-  return function (code) {
-    try {
-      eval(code);
-      return false;
-    } catch (actual) {
-      return exception.prototype.isPrototypeOf(actual);
-    }
-  };
-};
-
-/*
  * parsesSuccessfully(CODE) returns true if CODE parses as function
  * code without an error.
  */
 function parsesSuccessfully(code) {
   try {
     Function(code);
     return true;
   } catch (exception) {
@@ -72,17 +54,8 @@ function parseRaisesException(exception)
     try {
       Function(code);
       return false;
     } catch (actual) {
       return exception.prototype.isPrototypeOf(actual);
     }
   };
 };
-
-/*
- * Return the result of applying uneval to VAL, and replacing all runs
- * of whitespace with a single horizontal space (poor man's
- * tokenization).
- */
-function clean_uneval(val) {
-  return uneval(val).replace(/\s+/g, ' ');
-}