js/src/jit-test/tests/basic/truncateDouble.js

Thu, 15 Jan 2015 21:03:48 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Thu, 15 Jan 2015 21:03:48 +0100
branch
TOR_BUG_9701
changeset 11
deefc01c0e14
permissions
-rw-r--r--

Integrate friendly tips from Tor colleagues to make (or not) 4.5 alpha 3;
This includes removal of overloaded (but unused) methods, and addition of
a overlooked call to DataStruct::SetData(nsISupports, uint32_t, bool.)

michael@0 1
michael@0 2 // check correctness of truncation of doubles slightly outside the int32_t range.
michael@0 3
michael@0 4 function truncate(x) {
michael@0 5 return x | 0;
michael@0 6 }
michael@0 7
michael@0 8 assertEq(truncate(0xffffffff), -1);
michael@0 9 assertEq(truncate(0xffffffff + 5000.5), 4999);
michael@0 10 assertEq(truncate(-0xffffffff - 5000.5), -4999);

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