/* -*- 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 BUGNUMBER = 363040; var summary = 'Array.prototype.reduce, Array.prototype.reduceRight'; var actual = ''; var expect = '';
function test()
{
printBugNumber(BUGNUMBER);
printStatus (summary);
function f(x,y) { return'(' + x + '+' + y + ')';}
var testdesc; var arr0elms = []; var arr1elms = [1]; var arr2elms = [1, 2];
testdesc = 'Test reduce of empty array without initializer.'; try
{
expect = 'TypeError: reduce of empty array with no initial value';
arr0elms.reduce(f);
} catch(ex)
{
actual = ex + '';
}
reportCompare(expect + '', actual + '', testdesc + ' : ' + expect);
testdesc = 'Test reduceRight of empty array without initializer.'; try
{
expect = 'TypeError: reduce of empty array with no initial value';
arr0elms.reduceRight(f);
} catch(ex)
{
actual = ex + '';
}
reportCompare(expect + '', actual + '', testdesc + ' : ' + expect);
testdesc = 'Test reduce of empty array with initial value.';
expect = 'a';
actual = arr0elms.reduce(f, 'a');
reportCompare(expect + '', actual + '', testdesc + ' : ' + expect);
testdesc = 'Test reduceRight of empty array with initial value.';
expect = 'a';
actual = arr0elms.reduceRight(f, 'a');
reportCompare(expect + '', actual + '', testdesc +' : ' + expect);
testdesc = 'Test reduce of 1 element array with no initializer.';
expect = '1';
actual = arr1elms.reduce(f);
reportCompare(expect + '', actual + '', testdesc + ' : ' + expect);
testdesc = 'Test reduceRight of 1 element array with no initializer.';
expect = '1';
actual = arr1elms.reduceRight(f);
reportCompare(expect + '', actual + '', testdesc + ' : ' + expect);
testdesc = 'Test reduce of 2 element array with no initializer.';
expect = '(1+2)';
actual = arr2elms.reduce(f);
reportCompare(expect + '', actual + '', testdesc + ' : ' + expect);
testdesc = 'Test reduce of 2 element array with initializer.';
expect = '((a+1)+2)';
actual = arr2elms.reduce(f,'a');
reportCompare(expect + '', actual + '', testdesc + ' : ' + expect);
testdesc = 'Test reduceRight of 2 element array with no initializer.';
expect = '(2+1)';
actual = arr2elms.reduceRight(f);
reportCompare(expect + '', actual + '', testdesc + ' : ' + expect);
testdesc = 'Test reduceRight of 2 element array with no initializer.';
expect = '((a+2)+1)';
actual = arr2elms.reduceRight(f,'a');
reportCompare(expect + '', actual + '', testdesc + ' : ' + expect);
}
Die Informationen auf dieser Webseite wurden
nach bestem Wissen sorgfältig zusammengestellt. Es wird jedoch weder Vollständigkeit, noch Richtigkeit,
noch Qualität der bereit gestellten Informationen zugesichert.
Bemerkung:
Die farbliche Syntaxdarstellung und die Messung sind noch experimentell.