diff options
Diffstat (limited to 'lib/hipe/test/basic_SUITE_data/basic_tuples.erl')
| -rw-r--r-- | lib/hipe/test/basic_SUITE_data/basic_tuples.erl | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/lib/hipe/test/basic_SUITE_data/basic_tuples.erl b/lib/hipe/test/basic_SUITE_data/basic_tuples.erl index 94c187e364..96e39d565a 100644 --- a/lib/hipe/test/basic_SUITE_data/basic_tuples.erl +++ b/lib/hipe/test/basic_SUITE_data/basic_tuples.erl @@ -55,6 +55,8 @@ test_element(T0, T1, T2, N) -> List = lists:seq(1, N), Tuple = list_to_tuple(List), ok = get_elements(List, Tuple, 1), + %% element/2 of larger tuple with omitted bounds test + true = lists:all(fun(I) -> I * I =:= square(I) end, lists:seq(1, 20)), %% some cases that throw exceptions {'EXIT', _} = (catch my_element(0, T2)), {'EXIT', _} = (catch my_element(3, T2)), @@ -73,6 +75,18 @@ get_elements([Element|Rest], Tuple, Pos) -> get_elements([], _Tuple, _Pos) -> ok. +squares() -> + {1*1, 2*2, 3*3, 4*4, 5*5, 6*6, 7*7, 8*8, 9*9, 10*10, + 11*11, 12*12, 13*13, 14*14, 15*15, 16*16, 17*17, 18*18, 19*19, 20*20}. + +square(N) when is_integer(N), N >= 1, N =< 20 -> + %% The guard tests lets the range analysis conclude N to be an integer in the + %% 1..20 range. 20-1=19 is bigger than ?SET_LIMIT in erl_types.erl, and will + %% thus be represented by an ?int_range() rather than an ?int_set(). + %% Because of the range analysis, the bounds test of this element/2 call + %% should be omitted. + element(N, squares()). + %%-------------------------------------------------------------------- %% Tests set_element/3. |