diff options
author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
---|---|---|
committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
commit | 36d22d82aa202bb199967e9512281e9a53db42c9 (patch) | |
tree | 105e8c98ddea1c1e4784a60a5a6410fa416be2de /js/src/tests/non262/Scope/regress-185485.js | |
parent | Initial commit. (diff) | |
download | firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.zip |
Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | js/src/tests/non262/Scope/regress-185485.js | 126 |
1 files changed, 126 insertions, 0 deletions
diff --git a/js/src/tests/non262/Scope/regress-185485.js b/js/src/tests/non262/Scope/regress-185485.js new file mode 100644 index 0000000000..1fcf0846d9 --- /dev/null +++ b/js/src/tests/non262/Scope/regress-185485.js @@ -0,0 +1,126 @@ +/* -*- 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: 16 Dec 2002 + * SUMMARY: Testing |with (x) {function f() {}}| when |x.f| already exists + * See http://bugzilla.mozilla.org/show_bug.cgi?id=185485 + * + * The idea is this: if |x| does not already have a property named |f|, + * a |with| statement cannot be used to define one. See, for example, + * + * http://bugzilla.mozilla.org/show_bug.cgi?id=159849#c11 + * http://bugzilla.mozilla.org/show_bug.cgi?id=184107 + * + * + * However, if |x| already has a property |f|, a |with| statement can be + * used to modify the value it contains: + * + * with (x) {f = 1;} + * + * This should work even if we use a |var| statement, like this: + * + * with (x) {var f = 1;} + * + * However, it should NOT work if we use a |function| statement, like this: + * + * with (x) {function f() {}} + * + * Instead, this should newly define a function f in global scope. + * See http://bugzilla.mozilla.org/show_bug.cgi?id=185485 + * + */ +//----------------------------------------------------------------------------- +var UBound = 0; +var BUGNUMBER = 185485; +var summary = 'Testing |with (x) {function f() {}}| when |x.f| already exists'; +var status = ''; +var statusitems = []; +var actual = ''; +var actualvalues = []; +var expect= ''; +var expectedvalues = []; + +var x = { f:0, g:0 }; + +with (x) +{ + f = 1; +} +status = inSection(1); +actual = x.f; +expect = 1; +addThis(); + +with (x) +{ + var f = 2; +} +status = inSection(2); +actual = x.f; +expect = 2; +addThis(); + +/* + * Use of a function statement under the with-block should not affect + * the local property |f|, but define a function |f| in global scope - + */ +with (x) +{ + function f() {} +} +status = inSection(3); +actual = x.f; +expect = 2; +addThis(); + +status = inSection(4); +actual = typeof this.f; +expect = 'function'; +addThis(); + + +/* + * Compare use of function expression instead of function statement. + * Note it is important that |x.g| already exists. Otherwise, this + * would newly define |g| in global scope - + */ +with (x) +{ + var g = function() {} +} +status = inSection(5); +actual = x.g.toString(); +expect = (function() {}).toString(); +addThis(); + + + +//----------------------------------------------------------------------------- +test(); +//----------------------------------------------------------------------------- + + + +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]); + } +} |