diff options
Diffstat (limited to 'lib/hipe/test/bs_SUITE_data/bs_bitsize.erl')
| -rw-r--r-- | lib/hipe/test/bs_SUITE_data/bs_bitsize.erl | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/lib/hipe/test/bs_SUITE_data/bs_bitsize.erl b/lib/hipe/test/bs_SUITE_data/bs_bitsize.erl new file mode 100644 index 0000000000..c0774e7279 --- /dev/null +++ b/lib/hipe/test/bs_SUITE_data/bs_bitsize.erl @@ -0,0 +1,23 @@ +%% -*- erlang-indent-level: 2 -*- +%%------------------------------------------------------------------- +-module(bs_bitsize). + +-export([test/0]). + +test() -> + true = bitsize_in_body(<<1:42>>), + true = bitsize_in_guard(<<1:7>>), + 8 = constant_binary(42), + ok. + +bitsize_in_body(Bin) -> + 42 =:= erlang:bit_size(Bin). + +bitsize_in_guard(Bin) when erlang:bit_size(Bin) rem 7 =:= 0 -> + true; +bitsize_in_guard(Bin) when is_bitstring(Bin) -> + false. + +%% Tests that binary constants can properly be treated in Icode +constant_binary(N) when N > 0 -> + bit_size(<<42>>). |