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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/extensions/DataView-construct-arguments-detaching.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/extensions/DataView-construct-arguments-detaching.js | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/js/src/tests/non262/extensions/DataView-construct-arguments-detaching.js b/js/src/tests/non262/extensions/DataView-construct-arguments-detaching.js new file mode 100644 index 0000000000..b542816ee8 --- /dev/null +++ b/js/src/tests/non262/extensions/DataView-construct-arguments-detaching.js @@ -0,0 +1,80 @@ +/* + * Any copyright is dedicated to the Public Domain. + * http://creativecommons.org/licenses/publicdomain/ + */ + +var gTestfile = "DataView-construct-arguments-detaching.js"; +//----------------------------------------------------------------------------- +var BUGNUMBER = 991981; +var summary = + "new DataView(...) shouldn't misbehave horribly if index-argument " + + "conversion detaches the ArrayBuffer to be viewed"; + +print(BUGNUMBER + ": " + summary); + +/************** + * BEGIN TEST * + **************/ + +function testByteOffset() +{ + var ab = new ArrayBuffer(0x1000); + + var start = + { + valueOf: function() + { + detachArrayBuffer(ab); + gc(); + return 0x800; + } + }; + + var ok = false; + try + { + new DataView(ab, start); + } + catch (e) + { + ok = true; + } + assertEq(ok, true, "byteOffset weirdness should have thrown"); + assertEq(ab.byteLength, 0, "detaching should work for byteOffset weirdness"); +} +testByteOffset(); + +function testByteLength() +{ + var ab = new ArrayBuffer(0x1000); + + var len = + { + valueOf: function() + { + detachArrayBuffer(ab); + gc(); + return 0x800; + } + }; + + var ok = false; + try + { + new DataView(ab, 0x800, len); + } + catch (e) + { + ok = true; + } + assertEq(ok, true, "byteLength weirdness should have thrown"); + assertEq(ab.byteLength, 0, "detaching should work for byteLength weirdness"); +} +testByteLength(); + +/******************************************************************************/ + +if (typeof reportCompare === "function") + reportCompare(true, true); + +print("Tests complete"); |