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Diffstat (limited to 'js/src/tests/ecma_3/Exceptions/15.11.4.4-1.js')
-rw-r--r-- | js/src/tests/ecma_3/Exceptions/15.11.4.4-1.js | 140 |
1 files changed, 140 insertions, 0 deletions
diff --git a/js/src/tests/ecma_3/Exceptions/15.11.4.4-1.js b/js/src/tests/ecma_3/Exceptions/15.11.4.4-1.js new file mode 100644 index 000000000..333460137 --- /dev/null +++ b/js/src/tests/ecma_3/Exceptions/15.11.4.4-1.js @@ -0,0 +1,140 @@ +/* -*- 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/. */ + +/* + * + * Date: 22 Jan 2002 + * SUMMARY: Testing Error.prototype.toString() + * + * Revised: 25 Nov 2002 + * See http://bugzilla.mozilla.org/show_bug.cgi?id=181909 + * + * Note that ECMA-262 3rd Edition Final, Section 15.11.4.4 states that + * Error.prototype.toString() returns an implementation-dependent string. + * Therefore any testcase on this property is somewhat arbitrary. + * + * However, d-russo@ti.com pointed out that Rhino was returning this: + * + * js> err = new Error() + * undefined: undefined + * + * js> err = new Error("msg") + * undefined: msg + * + * + * We expect Rhino to return what SpiderMonkey currently does: + * + * js> err = new Error() + * Error + * + * js> err = new Error("msg") + * Error: msg + * + * + * i.e. we expect err.toString() === err.name if err.message is not defined; + * otherwise, we expect err.toString() === err.name + ': ' + err.message. + * + * See also ECMA 15.11.4.2, 15.11.4.3 + */ +//----------------------------------------------------------------------------- +var UBound = 0; +var BUGNUMBER = '(none)'; +var summary = 'Testing Error.prototype.toString()'; +var status = ''; +var statusitems = []; +var actual = ''; +var actualvalues = []; +var expect= ''; +var expectedvalues = []; +var EMPTY_STRING = ''; +var EXPECTED_FORMAT = 0; + + +status = inSection(1); +var err1 = new Error('msg1'); +actual = examineThis(err1, 'msg1'); +expect = EXPECTED_FORMAT; +addThis(); + +status = inSection(2); +var err2 = new Error(err1); +actual = examineThis(err2, err1); +expect = EXPECTED_FORMAT; +addThis(); + +status = inSection(3); +var err3 = new Error(); +actual = examineThis(err3, EMPTY_STRING); +expect = EXPECTED_FORMAT; +addThis(); + +status = inSection(4); +var err4 = new Error(EMPTY_STRING); +actual = examineThis(err4, EMPTY_STRING); +expect = EXPECTED_FORMAT; +addThis(); + +// now generate a run-time error - +status = inSection(5); +try +{ + eval('1=2'); +} +catch(err5) +{ + actual = examineThis(err5, '.*'); +} +expect = EXPECTED_FORMAT; +addThis(); + + + +//----------------------------------------------------------------------------- +test(); +//----------------------------------------------------------------------------- + + + +/* + * Searches err.toString() for err.name + ':' + err.message, + * with possible whitespace on each side of the colon sign. + * + * We allow for no colon in case err.message was not provided by the user. + * In such a case, SpiderMonkey and Rhino currently set err.message = '', + * as allowed for by ECMA 15.11.4.3. This makes |pattern| work in this case. + * + * If this is ever changed to a non-empty string, e.g. 'undefined', + * you may have to modify |pattern| to take that into account - + * + */ +function examineThis(err, msg) +{ + var pattern = err.name + '\\s*:?\\s*' + msg; + return err.toString().search(RegExp(pattern)); +} + + +function addThis() +{ + statusitems[UBound] = status; + actualvalues[UBound] = actual; + expectedvalues[UBound] = expect; + UBound++; +} + + +function test() +{ + enterFunc ('test'); + printBugNumber(BUGNUMBER); + printStatus (summary); + + for (var i = 0; i < UBound; i++) + { + reportCompare(expectedvalues[i], actualvalues[i], statusitems[i]); + } + + exitFunc ('test'); +} |