Bug 1097253.  r=mjrosenb

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extra : rebase_source : e7f8c0c446a94cbe293f2043b0bb148a3b1ef1e5
Bug 1001547 - Test for element-setting being careful to bounds-check.  r=sfink

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extra : rebase_source : 86140463094efcc22990c5220010b53f1a8eb625
Bug 983344.  Add a test.  r=sfink

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extra : rebase_source : b1e4a588ddc5979a073e47048f9115fc7987a9c0