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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
commit | 26a029d407be480d791972afb5975cf62c9360a6 (patch) | |
tree | f435a8308119effd964b339f76abb83a57c29483 /js/src/tests/non262/Exceptions/errstack-001.js | |
parent | Initial commit. (diff) | |
download | firefox-26a029d407be480d791972afb5975cf62c9360a6.tar.xz firefox-26a029d407be480d791972afb5975cf62c9360a6.zip |
Adding upstream version 124.0.1.upstream/124.0.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'js/src/tests/non262/Exceptions/errstack-001.js')
-rw-r--r-- | js/src/tests/non262/Exceptions/errstack-001.js | 242 |
1 files changed, 242 insertions, 0 deletions
diff --git a/js/src/tests/non262/Exceptions/errstack-001.js b/js/src/tests/non262/Exceptions/errstack-001.js new file mode 100644 index 0000000000..042e357fa6 --- /dev/null +++ b/js/src/tests/non262/Exceptions/errstack-001.js @@ -0,0 +1,242 @@ +/* -*- 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: 28 Feb 2002 + * SUMMARY: Testing that Error.stack distinguishes between: + * + * A) top-level calls: myFunc(); + * B) no-name function calls: function() { myFunc();} () + * + * The stack frame for A) should begin with '@' + * The stack frame for B) should begin with '()' + * + * This behavior was coded by Brendan during his fix for bug 127136. + * See http://bugzilla.mozilla.org/show_bug.cgi?id=127136#c13 + * + * Note: our function getStackFrames(err) orders the array of stack frames + * so that the 0th element will correspond to the highest frame, i.e. will + * correspond to a line in top-level code. The 1st element will correspond + * to the function that is called first, and so on... + * + * NOTE: At present Rhino does not have an Error.stack property. It is an + * ECMA extension, see http://bugzilla.mozilla.org/show_bug.cgi?id=123177 + */ +//----------------------------------------------------------------------------- +var UBound = 0; +var BUGNUMBER = '(none)'; +var summary = 'Testing Error.stack'; +var status = ''; +var statusitems = []; +var actual = ''; +var actualvalues = []; +var expect= ''; +var expectedvalues = []; +var myErr = ''; +var stackFrames = ''; + + +function A(x,y) +{ + return B(x+1,y+1); +} + +function B(x,z) +{ + return C(x+1,z+1); +} + +function C(x,y) +{ + return D(x+1,y+1); +} + +function D(x,z) +{ + try + { + throw new Error('meep!'); + } + catch (e) + { + return e; + } +} + + +myErr = A(44,13); +stackFrames = getStackFrames(myErr); +status = inSection(1); +actual = stackFrames[0].substring(0,1); +expect = '@'; +addThis(); + +status = inSection(2); +actual = stackFrames[1].substring(0,2); +expect = 'A@'; +addThis(); + +status = inSection(3); +actual = stackFrames[2].substring(0,2); +expect = 'B@'; +addThis(); + +status = inSection(4); +actual = stackFrames[3].substring(0,2); +expect = 'C@'; +addThis(); + +status = inSection(5); +actual = stackFrames[4].substring(0,2); +expect = 'D@'; +addThis(); + + + +myErr = A('44:foo','13:bar'); +stackFrames = getStackFrames(myErr); +status = inSection(6); +actual = stackFrames[0].substring(0,1); +expect = '@'; +addThis(); + +status = inSection(7); +actual = stackFrames[1].substring(0,2); +expect = 'A@'; +addThis(); + +status = inSection(8); +actual = stackFrames[2].substring(0,2); +expect = 'B@'; +addThis(); + +status = inSection(9); +actual = stackFrames[3].substring(0,2); +expect = 'C@'; +addThis(); + +status = inSection(10); +actual = stackFrames[4].substring(0,2); +expect = 'D@';; +addThis(); + + + +/* + * Make the first frame occur in a function with an empty name - + */ +myErr = function() { return A(44,13); } (); +stackFrames = getStackFrames(myErr); +status = inSection(11); +actual = stackFrames[0].substring(0,1); +expect = '@'; +addThis(); + +status = inSection(12); +actual = stackFrames[1].substring(0,7); +expect = 'myErr<@'; +addThis(); + +status = inSection(13); +actual = stackFrames[2].substring(0,2); +expect = 'A@'; +addThis(); + +// etc. for the rest of the frames as above + + + +/* + * Make the first frame occur in a function with name 'anonymous' - + */ +var f = Function('return A(44,13);'); +myErr = f(); +stackFrames = getStackFrames(myErr); +status = inSection(14); +actual = stackFrames[0].substring(0,1); +expect = '@'; +addThis(); + +status = inSection(15); +actual = stackFrames[1].substring(0,10); +expect = 'anonymous@'; +addThis(); + +status = inSection(16); +actual = stackFrames[2].substring(0,2); +expect = 'A@'; +addThis(); + +// etc. for the rest of the frames as above + + + +/* + * Make a user-defined error via the Error() function - + */ +var message = 'Hi there!'; var fileName = 'file name'; var lineNumber = 0; +myErr = Error(message, fileName, lineNumber); +stackFrames = getStackFrames(myErr); +status = inSection(17); +actual = stackFrames[0].substring(0,1); +expect = '@'; +addThis(); + + +/* + * Now use the |new| keyword. Re-use the same params - + */ +myErr = new Error(message, fileName, lineNumber); +stackFrames = getStackFrames(myErr); +status = inSection(18); +actual = stackFrames[0].substring(0,1); +expect = '@'; +addThis(); + + + + +//----------------------------------------------------------------------------- +test(); +//----------------------------------------------------------------------------- + + + +/* + * Split the string |err.stack| along its '\n' delimiter. + * As of 2002-02-28 |err.stack| ends with the delimiter, so + * the resulting array has an empty string as its last element. + * + * Pop that useless element off before doing anything. + * Then reverse the array, for convenience of indexing - + */ +function getStackFrames(err) +{ + var arr = err.stack.split('\n'); + arr.pop(); + return arr.reverse(); +} + + +function addThis() +{ + statusitems[UBound] = status; + actualvalues[UBound] = actual; + expectedvalues[UBound] = expect; + UBound++; +} + + +function test() +{ + printBugNumber(BUGNUMBER); + printStatus(summary); + + for (var i=0; i<UBound; i++) + { + reportCompare(expectedvalues[i], actualvalues[i], statusitems[i]); + } +} |