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author | Matt A. Tobin <mattatobin@localhost.localdomain> | 2018-02-02 04:16:08 -0500 |
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committer | Matt A. Tobin <mattatobin@localhost.localdomain> | 2018-02-02 04:16:08 -0500 |
commit | 5f8de423f190bbb79a62f804151bc24824fa32d8 (patch) | |
tree | 10027f336435511475e392454359edea8e25895d /js/src/tests/js1_8_5/extensions/typedarray-copyWithin-arguments-detaching.js | |
parent | 49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff) | |
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Add m-esr52 at 52.6.0
Diffstat (limited to 'js/src/tests/js1_8_5/extensions/typedarray-copyWithin-arguments-detaching.js')
-rw-r--r-- | js/src/tests/js1_8_5/extensions/typedarray-copyWithin-arguments-detaching.js | 112 |
1 files changed, 112 insertions, 0 deletions
diff --git a/js/src/tests/js1_8_5/extensions/typedarray-copyWithin-arguments-detaching.js b/js/src/tests/js1_8_5/extensions/typedarray-copyWithin-arguments-detaching.js new file mode 100644 index 000000000..eb1cda6d1 --- /dev/null +++ b/js/src/tests/js1_8_5/extensions/typedarray-copyWithin-arguments-detaching.js @@ -0,0 +1,112 @@ +// |reftest| skip-if(!xulRuntime.shell) -- needs detachArrayBuffer() +/* + * Any copyright is dedicated to the Public Domain. + * http://creativecommons.org/licenses/publicdomain/ + */ + +var gTestfile = "typedarray-copyWithin-arguments-detaching.js"; +//----------------------------------------------------------------------------- +var BUGNUMBER = 991981; +var summary = + "%TypedArray.prototype.copyWithin shouldn't misbehave horribly if " + + "index-argument conversion detaches the underlying ArrayBuffer"; + +print(BUGNUMBER + ": " + summary); + +/************** + * BEGIN TEST * + **************/ + +function testBegin() +{ + var ab = new ArrayBuffer(0x1000); + + var begin = + { + valueOf: function() + { + detachArrayBuffer(ab); + return 0x800; + } + }; + + var ta = new Uint8Array(ab); + + var ok = false; + try + { + ta.copyWithin(0, begin, 0x1000); + } + catch (e) + { + ok = true; + } + assertEq(ok, true, "start weirdness should have thrown"); + assertEq(ab.byteLength, 0, "detaching should work for start weirdness"); +} +testBegin(); + +function testEnd() +{ + var ab = new ArrayBuffer(0x1000); + + var end = + { + valueOf: function() + { + detachArrayBuffer(ab); + return 0x1000; + } + }; + + var ta = new Uint8Array(ab); + + var ok = false; + try + { + ta.copyWithin(0, 0x800, end); + } + catch (e) + { + ok = true; + } + assertEq(ok, true, "start weirdness should have thrown"); + assertEq(ab.byteLength, 0, "detaching should work for start weirdness"); +} +testEnd(); + +function testDest() +{ + var ab = new ArrayBuffer(0x1000); + + var dest = + { + valueOf: function() + { + detachArrayBuffer(ab); + return 0; + } + }; + + var ta = new Uint8Array(ab); + + var ok = false; + try + { + ta.copyWithin(dest, 0x800, 0x1000); + } + catch (e) + { + ok = true; + } + assertEq(ok, true, "start weirdness should have thrown"); + assertEq(ab.byteLength, 0, "detaching should work for start weirdness"); +} +testDest(); + +/******************************************************************************/ + +if (typeof reportCompare === "function") + reportCompare(true, true); + +print("Tests complete"); |