var FAILED = "FAILED!: ";
var STATUS = "STATUS: ";
var BUGNUMBER = "BUGNUMBER: ";
var VERBOSE = false;
var SECT_PREFIX = 'Section ';
var SECT_SUFFIX = ' of test -';
var callStack = new Array();
function writeLineToLog( string ) {
print( string + "\n");
}
function expectExitCode(n)
{
writeLineToLog('--- NOTE: IN THIS TESTCASE, WE EXPECT EXIT CODE ' + n + ' ---');
}
function inSection(x)
{
return SECT_PREFIX + x + SECT_SUFFIX;
}
function inRhino()
{
return (typeof defineClass == "function");
}
function reportFailure (msg)
{
var lines = msg.split ("\n");
var l;
var funcName = currentFunc();
var prefix = (funcName) ? "[reported from " + funcName + "] ": "";
for (var i=0; i<lines.length; i++)
writeLineToLog (FAILED + prefix + lines[i]);
}
function printStatus (msg)
{
msg = String(msg);
msg = msg.toString();
var lines = msg.split ("\n");
var l;
for (var i=0; i<lines.length; i++)
writeLineToLog (STATUS + lines[i]);
}
function printBugNumber (num)
{
writeLineToLog (BUGNUMBER + num);
}
function reportCompare (expected, actual, description)
{
var expected_t = typeof expected;
var actual_t = typeof actual;
var output = "";
if ((VERBOSE) && (typeof description != "undefined"))
printStatus ("Comparing '" + description + "'");
if (expected_t != actual_t)
output += "Type mismatch, expected type " + expected_t +
", actual type " + actual_t + "\n";
else if (VERBOSE)
printStatus ("Expected type '" + actual_t + "' matched actual " +
"type '" + expected_t + "'");
if (expected != actual)
output += "Expected value '" + expected + "', Actual value '" + actual +
"'\n";
else if (VERBOSE)
printStatus ("Expected value '" + actual + "' matched actual " +
"value '" + expected + "'");
if (output != "")
{
if (typeof description != "undefined")
reportFailure (description);
reportFailure (output);
}
return (output == ""); }
function enterFunc (funcName)
{
if (!funcName.match(/\(\)$/))
funcName += "()";
callStack.push(funcName);
}
function exitFunc (funcName)
{
var lastFunc = callStack.pop();
if (funcName)
{
if (!funcName.match(/\(\)$/))
funcName += "()";
if (lastFunc != funcName)
reportFailure ("Test driver failure, expected to exit function '" +
funcName + "' but '" + lastFunc + "' came off " +
"the stack");
}
}
function currentFunc()
{
return callStack[callStack.length - 1];
}
function BigO(data)
{
var order = 0;
var origLength = data.X.length;
while (data.X.length > 2)
{
var lr = new LinearRegression(data);
if (lr.b > 1e-6)
{
order++;
}
if (lr.r > 0.98 || lr.Syx < 1 || lr.b < 1e-6)
{
break;
}
data = dataDeriv(data);
}
if (2 == origLength - order)
{
order = Number.POSITIVE_INFINITY;
}
return order;
function LinearRegression(data)
{
var i;
if (data.X.length != data.Y.length)
{
throw 'LinearRegression: data point length mismatch';
}
if (data.X.length < 3)
{
throw 'LinearRegression: data point length < 2';
}
var n = data.X.length;
var X = data.X;
var Y = data.Y;
this.Xavg = 0;
this.Yavg = 0;
var SUM_X = 0;
var SUM_XY = 0;
var SUM_XX = 0;
var SUM_Y = 0;
var SUM_YY = 0;
for (i = 0; i < n; i++)
{
SUM_X += X[i];
SUM_XY += X[i]*Y[i];
SUM_XX += X[i]*X[i];
SUM_Y += Y[i];
SUM_YY += Y[i]*Y[i];
}
this.b = (n * SUM_XY - SUM_X * SUM_Y)/(n * SUM_XX - SUM_X * SUM_X);
this.a = (SUM_Y - this.b * SUM_X)/n;
this.Xavg = SUM_X/n;
this.Yavg = SUM_Y/n;
var SUM_Ydiff2 = 0;
var SUM_Xdiff2 = 0;
var SUM_XdiffYdiff = 0;
for (i = 0; i < n; i++)
{
var Ydiff = Y[i] - this.Yavg;
var Xdiff = X[i] - this.Xavg;
SUM_Ydiff2 += Ydiff * Ydiff;
SUM_Xdiff2 += Xdiff * Xdiff;
SUM_XdiffYdiff += Xdiff * Ydiff;
}
var Syx2 = (SUM_Ydiff2 - Math.pow(SUM_XdiffYdiff/SUM_Xdiff2, 2))/(n - 2);
var r2 = Math.pow((n*SUM_XY - SUM_X * SUM_Y), 2) /
((n*SUM_XX - SUM_X*SUM_X)*(n*SUM_YY-SUM_Y*SUM_Y));
this.Syx = Math.sqrt(Syx2);
this.r = Math.sqrt(r2);
}
function dataDeriv(data)
{
if (data.X.length != data.Y.length)
{
throw 'length mismatch';
}
var length = data.X.length;
if (length < 2)
{
throw 'length ' + length + ' must be >= 2';
}
var X = data.X;
var Y = data.Y;
var deriv = {X: [], Y: [] };
for (var i = 0; i < length - 1; i++)
{
deriv.X[i] = (X[i] + X[i+1])/2;
deriv.Y[i] = (Y[i+1] - Y[i])/(X[i+1] - X[i]);
}
return deriv;
}
}
function JavaScriptOptions()
{
this.orig = {};
this.orig.strict = this.strict = false;
this.orig.werror = this.werror = false;
this.privileges = 'UniversalXPConnect';
if (typeof options == 'function')
{
var optString = options();
if (optString)
{
var optList = optString.split(',');
for (iOpt = 0; i < optList.length; iOpt++)
{
optName = optList[iOpt];
this[optName] = true;
}
}
}
else if (typeof document != 'undefined')
{
netscape.security.PrivilegeManager.enablePrivilege(this.privileges);
var preferences = Components.classes['@mozilla.org/preferences;1'];
if (!preferences)
{
throw 'JavaScriptOptions: unable to get @mozilla.org/preference;1';
}
var prefService = preferences.
getService(Components.interfaces.nsIPrefService);
if (!prefService)
{
throw 'JavaScriptOptions: unable to get nsIPrefService';
}
var pref = prefService.getBranch('');
if (!pref)
{
throw 'JavaScriptOptions: unable to get prefService branch';
}
try
{
this.orig.strict = this.strict =
pref.getBoolPref('javascript.options.strict');
}
catch(e)
{
}
try
{
this.orig.werror = this.werror =
pref.getBoolPref('javascript.options.werror');
}
catch(e)
{
}
}
}
JavaScriptOptions.prototype.setOption =
function (optionName, optionValue)
{
if (typeof options == 'function')
{
if (this[optionName] != optionValue)
{
options(optionName);
}
}
else if (typeof document != 'undefined')
{
netscape.security.PrivilegeManager.enablePrivilege(this.privileges);
var preferences = Components.classes['@mozilla.org/preferences;1'];
if (!preferences)
{
throw 'setOption: unable to get @mozilla.org/preference;1';
}
var prefService = preferences.
getService(Components.interfaces.nsIPrefService);
if (!prefService)
{
throw 'setOption: unable to get nsIPrefService';
}
var pref = prefService.getBranch('');
if (!pref)
{
throw 'setOption: unable to get prefService branch';
}
pref.setBoolPref('javascript.options.' + optionName, optionValue);
}
this[optionName] = optionValue;
return;
}
JavaScriptOptions.prototype.reset = function ()
{
this.setOption('strict', this.orig.strict);
this.setOption('werror', this.orig.werror);
}