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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 17:32:43 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 17:32:43 +0000 |
commit | 6bf0a5cb5034a7e684dcc3500e841785237ce2dd (patch) | |
tree | a68f146d7fa01f0134297619fbe7e33db084e0aa /js/src/tests/non262/JSON/parse-reviver-array-delete.js | |
parent | Initial commit. (diff) | |
download | thunderbird-6bf0a5cb5034a7e684dcc3500e841785237ce2dd.tar.xz thunderbird-6bf0a5cb5034a7e684dcc3500e841785237ce2dd.zip |
Adding upstream version 1:115.7.0.upstream/1%115.7.0upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'js/src/tests/non262/JSON/parse-reviver-array-delete.js')
-rw-r--r-- | js/src/tests/non262/JSON/parse-reviver-array-delete.js | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/js/src/tests/non262/JSON/parse-reviver-array-delete.js b/js/src/tests/non262/JSON/parse-reviver-array-delete.js new file mode 100644 index 0000000000..c343058785 --- /dev/null +++ b/js/src/tests/non262/JSON/parse-reviver-array-delete.js @@ -0,0 +1,89 @@ +// Any copyright is dedicated to the Public Domain. +// http://creativecommons.org/licenses/publicdomain/ + +var gTestfile = 'parse-reviver-array-delete.js'; +//----------------------------------------------------------------------------- +var BUGNUMBER = 999999; +var summary = "JSON.parse with a reviver which elides array elements"; + +print(BUGNUMBER + ": " + summary); + +/************** + * BEGIN TEST * + **************/ + +/* + * The reviver deletes all properties from the to-be-returned array. Thus + * stringification reveals properties on the prototype chain -- but there are + * none, so this result is unsurprising. + */ +assertEq(JSON.parse('[1,2,3,4,5,6,7,8,9,0,1,2,3,4,5,6,7,8,9,0]', + function revive(k, v) + { + if (k === "") + return v; + return undefined; + }) + "", + ",,,,,,,,,,,,,,,,,,,"); + +/* + * Now let's try a reviver that deletes every property but a mega-huge one. + */ +var str = "["; +var expected = ""; +var expected2 = ""; +for (var i = 0; i < 2048; i++) +{ + str += "1,"; + if (i === 2047) + { + expected += "1"; + expected2 += "1"; + } + if (i === 3) + expected2 += "17"; + expected += ","; + expected2 += ","; +} +str += "1]"; + +assertEq(JSON.parse(str, + function reviver(k, v) + { + if (k === "" || k === "2047") + return v; + return undefined; + }) + "", + expected); + + +Array.prototype[3] = 17; + +/* Now, with a property on the prototype chain, it'll show through. */ +assertEq(JSON.parse('[1,2,3,4,5,6,7,8,9,0,1,2,3,4,5,6,7,8,9,0]', + function revive(k, v) + { + if (k === "") + return v; + return undefined; + }) + "", + ",,,17,,,,,,,,,,,,,,,,"); + + +/* And here too. */ +assertEq(JSON.parse(str, + function reviver(k, v) + { + if (k === "" || k === "2047") + return v; + return undefined; + }) + "", + expected2); + + +/******************************************************************************/ + +if (typeof reportCompare === "function") + reportCompare(true, true); + +print("Tests complete"); |