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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
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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-181834.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-181834.js | 146 |
1 files changed, 146 insertions, 0 deletions
diff --git a/js/src/tests/non262/Scope/regress-181834.js b/js/src/tests/non262/Scope/regress-181834.js new file mode 100644 index 0000000000..9b0fe071f1 --- /dev/null +++ b/js/src/tests/non262/Scope/regress-181834.js @@ -0,0 +1,146 @@ +/* -*- 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: 25 November 2002 + * SUMMARY: Testing scope + * See http://bugzilla.mozilla.org/show_bug.cgi?id=181834 + * + * This bug only bit in Rhino interpreted mode, when the + * 'compile functions with dynamic scope' feature was set. + * + */ +//----------------------------------------------------------------------------- +var UBound = 0; +var BUGNUMBER = 181834; +var summary = 'Testing scope'; +var status = ''; +var statusitems = []; +var actual = ''; +var actualvalues = []; +var expect= ''; +var expectedvalues = []; + + +/* + * If N<=0, |outer_d| just gets incremented once, + * so the return value should be 1 in this case. + * + * If N>0, we end up calling inner() N+1 times: + * inner(N), inner(N-1), ... , inner(0). + * + * Each call to inner() increments |outer_d| by 1. + * The last call, inner(0), returns the final value + * of |outer_d|, which should be N+1. + */ +function outer(N) +{ + var outer_d = 0; + return inner(N); + + function inner(level) + { + outer_d++; + + if (level > 0) + return inner(level - 1); + else + return outer_d; + } +} + + +/* + * This only has meaning in Rhino - + */ +setDynamicScope(true); + +/* + * Recompile the function |outer| via eval() in order to + * feel the effect of the dynamic scope mode we have set. + */ +var s = outer.toString(); +eval(s); + +status = inSection(1); +actual = outer(-5); +expect = 1; +addThis(); + +status = inSection(2); +actual = outer(0); +expect = 1; +addThis(); + +status = inSection(3); +actual = outer(5); +expect = 6; +addThis(); + + +/* + * Sanity check: do same steps with the dynamic flag off + */ +setDynamicScope(false); + +/* + * Recompile the function |outer| via eval() in order to + * feel the effect of the dynamic scope mode we have set. + */ +eval(s); + +status = inSection(4); +actual = outer(-5); +expect = 1; +addThis(); + +status = inSection(5); +actual = outer(0); +expect = 1; +addThis(); + +status = inSection(6); +actual = outer(5); +expect = 6; +addThis(); + + + +//----------------------------------------------------------------------------- +test(); +//----------------------------------------------------------------------------- + + + +function setDynamicScope(flag) +{ + if (this.Packages) + { + var cx = this.Packages.org.mozilla.javascript.Context.getCurrentContext(); + cx.setCompileFunctionsWithDynamicScope(flag); + } +} + + +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]); + } +} |