From 5f8de423f190bbb79a62f804151bc24824fa32d8 Mon Sep 17 00:00:00 2001 From: "Matt A. Tobin" Date: Fri, 2 Feb 2018 04:16:08 -0500 Subject: Add m-esr52 at 52.6.0 --- .../tests/basic/testChangingObjectWithLength.js | 33 ++++++++++++++++++++++ 1 file changed, 33 insertions(+) create mode 100644 js/src/jit-test/tests/basic/testChangingObjectWithLength.js (limited to 'js/src/jit-test/tests/basic/testChangingObjectWithLength.js') diff --git a/js/src/jit-test/tests/basic/testChangingObjectWithLength.js b/js/src/jit-test/tests/basic/testChangingObjectWithLength.js new file mode 100644 index 000000000..9269d0de5 --- /dev/null +++ b/js/src/jit-test/tests/basic/testChangingObjectWithLength.js @@ -0,0 +1,33 @@ +function testChangingObjectWithLength() +{ + var obj = { length: 10 }; + var dense = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9]; + var slow = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9]; slow.slow = 5; + + /* + * The elements of objs constitute a De Bruijn sequence repeated 4x to trace + * and run native code for every object and transition. + */ + var objs = [obj, obj, obj, obj, + obj, obj, obj, obj, + dense, dense, dense, dense, + obj, obj, obj, obj, + slow, slow, slow, slow, + dense, dense, dense, dense, + dense, dense, dense, dense, + slow, slow, slow, slow, + slow, slow, slow, slow, + obj, obj, obj, obj]; + + var counter = 0; + + for (var i = 0, sz = objs.length; i < sz; i++) + { + var o = objs[i]; + for (var j = 0; j < o.length; j++) + counter++; + } + + return counter; +} +assertEq(testChangingObjectWithLength(), 400); -- cgit v1.2.3