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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/regress/regress-68498-004.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/regress/regress-68498-004.js | 96 |
1 files changed, 96 insertions, 0 deletions
diff --git a/js/src/tests/non262/regress/regress-68498-004.js b/js/src/tests/non262/regress/regress-68498-004.js new file mode 100644 index 0000000000..43dc6e0499 --- /dev/null +++ b/js/src/tests/non262/regress/regress-68498-004.js @@ -0,0 +1,96 @@ +/* -*- 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: 15 Feb 2001 + * + * SUMMARY: self.eval(str) inside a function + * NOTE: 'self' is just a variable used to capture the global JS object. + * + * See http://bugzilla.mozilla.org/show_bug.cgi?id=68498 + * See http://bugzilla.mozilla.org/showattachment.cgi?attach_id=25251 + * See http://bugzilla.mozilla.org/show_bug.cgi?id=69441 (!!!) + * + * Brendan: + * + * "ECMA-262 Edition 3, 10.1.3 requires a FunctionDeclaration parsed as part + * of a Program by eval to create a property of eval's caller's variable object. + * This test evals in the body of a with statement, whose scope chain *is* + * relevant to the effect of parsing the FunctionDeclaration." + */ +//----------------------------------------------------------------------------- +var BUGNUMBER = 68498; +var summary = 'Testing self.eval(str) inside a function'; +var statprefix = '; currently at expect['; +var statsuffix = '] within test -'; +var sToEval=''; +var actual=[ ]; +var expect=[ ]; + + +// Capture a reference to the global object - +var self = this; + +// You shouldn't see this global variable's value in any printout - +var x = 'outer'; + +// This function is the heart of the test - +function f(o,s,x) {with(o) eval(s); return z;}; + +// Run-time statements to pass to the eval inside f +sToEval += 'actual[0] = typeof g;' +sToEval += 'function g(){actual[1]=(typeof w == "undefined" || w); return x};' +sToEval += 'actual[2] = w;' +sToEval += 'actual[3] = typeof g;' +sToEval += 'var z=g();' + +// Set the actual-results array. The next line will set actual[0] - actual[4] in one shot +actual[4] = f({w:44}, sToEval, 'inner'); +actual[5] = 'z' in self && z; + + +/* Set the expected-results array. + * + * Sample issue: why do we set expect[4] = 'inner'? Look at actual[4]... + * 1. The return value of f equals z, which is not defined at compile-time + * 2. At run-time (via with(o) eval(s) inside f), z is defined as the return value of g + * 3. At run-time (via with(o) eval(s) inside f), g is defined to return x + * 4. In the scope of with(o), x is undefined + * 5. Farther up the scope chain, x can be located as an argument of f + * 6. The value of this argument at run-time is 'inner' + * 7. Even farther up the scope chain, the name x can be found as a global variable + * 8. The value of this global variable is 'outer', but we should NOT have gone + * this far up the scope chain to find x...therefore we expect 'inner' + */ +expect[0] = 'function'; +expect[1] = 44; +expect[2] = 44; +expect[3] = 'function'; +expect[4] = 'inner'; +expect[5] = false; + + + +//------------------------------------------------------------------------------------------------ +test(); +//------------------------------------------------------------------------------------------------- + + +function test() +{ + printBugNumber(BUGNUMBER); + printStatus (summary); + + for (var i in expect) + { + reportCompare(expect[i], actual[i], getStatus(i)); + } +} + + +function getStatus(i) +{ + return (summary + statprefix + i + statsuffix); +} |