diff options
Diffstat (limited to 'erts/emulator/test')
| -rw-r--r-- | erts/emulator/test/bs_construct_SUITE.erl | 21 |
1 files changed, 18 insertions, 3 deletions
diff --git a/erts/emulator/test/bs_construct_SUITE.erl b/erts/emulator/test/bs_construct_SUITE.erl index 3d9b51d278..138a19a626 100644 --- a/erts/emulator/test/bs_construct_SUITE.erl +++ b/erts/emulator/test/bs_construct_SUITE.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1999-2009. All Rights Reserved. +%% Copyright Ericsson AB 1999-2010. All Rights Reserved. %% %% The contents of this file are subject to the Erlang Public License, %% Version 1.1, (the "License"); you may not use this file except in @@ -27,7 +27,7 @@ mem_leak/1, coerce_to_float/1, bjorn/1, huge_float_field/1, huge_binary/1, system_limit/1, badarg/1, copy_writable_binary/1, kostis/1, dynamic/1, bs_add/1, - otp_7422/1]). + otp_7422/1, zero_width/1]). -include("test_server.hrl"). @@ -36,7 +36,7 @@ all(suite) -> not_used, in_guard, mem_leak, coerce_to_float, bjorn, huge_float_field, huge_binary, system_limit, badarg, copy_writable_binary, kostis, dynamic, bs_add, - otp_7422]. + otp_7422, zero_width]. big(1) -> 57285702734876389752897683. @@ -786,5 +786,20 @@ otp_7422_bin(N) when N < 512 -> end), otp_7422_bin(N+1); otp_7422_bin(_) -> ok. + +zero_width(Config) when is_list(Config) -> + ?line Z = id(0), + Small = id(42), + Big = id(1 bsl 128), + ?line <<>> = <<Small:Z>>, + ?line <<>> = <<Small:0>>, + ?line <<>> = <<Big:Z>>, + ?line <<>> = <<Big:0>>, + + ?line {'EXIT',{badarg,_}} = (catch <<not_a_number:0>>), + ?line {'EXIT',{badarg,_}} = (catch <<(id(not_a_number)):Z>>), + ?line {'EXIT',{badarg,_}} = (catch <<(id(not_a_number)):0>>), + + ok. id(I) -> I. |