Re: [Cobertura-devel] Large sparse switch statements

[Piotr T. <pi...@ta...>]

It might have been fixed in the 2.0 branch. Test:
https://cobertura.svn.sourceforge.net/svnroot/cobertura/branches/ptab_v2_0/


Piotr

On Sat, Jan 7, 2012 at 7:00 AM, Roger Binns <ro...@ro...> wrote:
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> I have a switch statement on a byte value.  39 of the values are handled
> while the rest go to a default arm (which happens to throw an exception)
> as they are invalid.
>
> Cobertura reports 19% coverage (40 of 203).  However this is done even
> when I test all possible byte values.  It would seem that Cobertura is
> counting the distinct switch values rather than distinct targets.
>
> This is the javap output with some obvious bits elided.
>
>   73:  iload_1
>   74:  tableswitch{ //0 to 201
>                0: 5628;
>                1: 1903;
>                2: 1502;
>                3: 2267;
>                4: 2657;
>                5: 2657;
>                6: 2657;
>                7: 4620;
>                8: 4897;
>                9: 5834;
>                10: 5465;
>                11: 1041;
>                12: 2875;
>                13: 4814;
>                14: 2939;
>                15: 3318;
>                16: 1371;
>                17: 1270;
>                18: 1137;
>                19: 896;
>                20: 5950;
>                21: 1137;
>                22: 1137;
>                23: 5127;
>                24: 4952;
>                25: 4988;
>                26: 2657;
>                27: 2167;
>                28: 4050;
>                29: 4278;
>                30: 2437;
>                31: 2657;
>                32: 2657;
>                33: 3807;
>                34: 5089;
>                35: 5950;
>                36: 5950;
> ... same up to 124 ...
>                124: 5950;
>                125: 5950;
>                126: 5950;
>                127: 5950;
>                128: 5434;
>                129: 898;
>                130: 906;
>                131: 937;
>                132: 992;
>                133: 992;
>                134: 5950;
>                135: 5950;
> ... same up to 158 ...
>                158: 5950;
>                159: 5950;
>                160: 1180;
>                161: 5285;
>                162: 1112;
>                163: 5361;
>                164: 4531;
>                165: 5950;
>                166: 5950;
> ... same up to 198 ...
>                198: 5950;
>                199: 5950;
>                200: 1054;
>                201: 1077;
>                default: 5950 }
>
> Roger
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-- 
Pozdrawiam,
Piotr Tabor