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authorBjörn Gustavsson <[email protected]>2011-04-09 08:27:50 +0200
committerBjörn Gustavsson <[email protected]>2011-04-12 05:54:47 +0200
commita86d00316ef882310fa222e0a2ac76dd8c1ab275 (patch)
tree0bed268e9fbabb9eb252d4ab104b8252e6633382
parent13be8d88969caa266b07d09294094a4cce8bbd8f (diff)
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bs_match_SUITE: Improve coverage of beam_bsm
-rw-r--r--lib/compiler/test/bs_match_SUITE.erl22
1 files changed, 21 insertions, 1 deletions
diff --git a/lib/compiler/test/bs_match_SUITE.erl b/lib/compiler/test/bs_match_SUITE.erl
index 83e4ba9e81..6a795f6634 100644
--- a/lib/compiler/test/bs_match_SUITE.erl
+++ b/lib/compiler/test/bs_match_SUITE.erl
@@ -35,7 +35,7 @@
match_string/1,zero_width/1,bad_size/1,haystack/1,
cover_beam_bool/1]).
--export([coverage_id/1]).
+-export([coverage_id/1,coverage_external_ignore/2]).
-include_lib("test_server/include/test_server.hrl").
@@ -585,13 +585,17 @@ coverage(Config) when is_list(Config) ->
A+B
end, 0, [a,b,c])),
+ ?line {<<42.0:64/float>>,float} = coverage_build(<<>>, <<42>>, float),
?line {<<>>,not_a_tuple} = coverage_build(<<>>, <<>>, not_a_tuple),
?line {<<16#76,"abc",16#A9,"abc">>,{x,42,43}} =
coverage_build(<<>>, <<16#7,16#A>>, {x,y,z}),
+ ?line [<<2>>,<<1>>] = coverage_bc(<<1,2>>, []),
+
?line {x,<<"abc">>,z} = coverage_setelement(<<2,"abc">>, {x,y,z}),
?line [42] = coverage_apply(<<42>>, [coverage_id]),
+ ?line 42 = coverage_external(<<42>>),
?line do_coverage_bin_to_term_list([]),
?line do_coverage_bin_to_term_list([lists:seq(0, 10),{a,b,c},<<23:42>>]),
@@ -608,6 +612,10 @@ coverage_fold(Fun, Acc, <<H,T/binary>>) ->
coverage_fold(Fun, Fun(IdFun(H), IdFun(Acc)), T);
coverage_fold(Fun, Acc, <<>>) when is_function(Fun, 2) -> Acc.
+coverage_build(Acc0, <<H,T/binary>>, float) ->
+ Float = id(<<H:64/float>>),
+ Acc = <<Acc0/binary,Float/binary>>,
+ coverage_build(Acc, T, float);
coverage_build(Acc0, <<H,T/binary>>, Tuple0) ->
Str = id(<<H:(id(4)),(H-1):4,"abc">>),
Acc = id(<<Acc0/bitstring,Str/bitstring>>),
@@ -618,6 +626,11 @@ coverage_build(Acc0, <<H,T/binary>>, Tuple0) ->
end;
coverage_build(Acc, <<>>, Tuple) -> {Acc,Tuple}.
+coverage_bc(<<H,T/binary>>, Acc) ->
+ B = << <<C:8>> || C <- [H] >>,
+ coverage_bc(T, [B|Acc]);
+coverage_bc(<<>>, Acc) -> Acc.
+
coverage_setelement(<<H,T1/binary>>, Tuple) when element(1, Tuple) =:= x ->
setelement(H, Tuple, T1).
@@ -625,6 +638,13 @@ coverage_apply(<<H,T/binary>>, [F|Fs]) ->
[?MODULE:F(H)|coverage_apply(T, Fs)];
coverage_apply(<<>>, []) -> [].
+coverage_external(<<H,T/binary>>) ->
+ ?MODULE:coverage_external_ignore(T, T),
+ H.
+
+coverage_external_ignore(_, _) ->
+ ok.
+
coverage_id(I) -> id(I).
do_coverage_bin_to_term_list(L) ->