diff options
Diffstat (limited to 'lib/compiler/test/misc_SUITE.erl')
| -rw-r--r-- | lib/compiler/test/misc_SUITE.erl | 49 |
1 files changed, 47 insertions, 2 deletions
diff --git a/lib/compiler/test/misc_SUITE.erl b/lib/compiler/test/misc_SUITE.erl index 126a679724..450a4e279d 100644 --- a/lib/compiler/test/misc_SUITE.erl +++ b/lib/compiler/test/misc_SUITE.erl @@ -20,10 +20,23 @@ -export([all/1,init_per_testcase/2,fin_per_testcase/2, tobias/1,empty_string/1,md5/1,silly_coverage/1, - confused_literals/1,integer_encoding/1]). + confused_literals/1,integer_encoding/1,override_bif/1]). -include("test_server.hrl"). +%% For the override_bif testcase. +%% NB, no other testcases in this testsuite can use these without erlang:prefix! +-compile({no_auto_import,[abs/1]}). +-compile({no_auto_import,[binary_part/3]}). +-compile({no_auto_import,[binary_part/2]}). +-import(test_lib,[binary_part/2]). + +%% This should do no harm (except for fun byte_size/1 which does not, by design, work with import +-compile({no_auto_import,[byte_size/1]}). +-import(erlang,[byte_size/1]). + + + %% Include an opaque declaration to cover the stripping of %% opaque types from attributes in v3_kernel. -opaque misc_SUITE_test_cases() :: [atom()]. @@ -42,7 +55,39 @@ fin_per_testcase(Case, Config) when is_atom(Case), is_list(Config) -> all(suite) -> test_lib:recompile(?MODULE), [tobias,empty_string,md5,silly_coverage,confused_literals, - integer_encoding]. + integer_encoding, override_bif]. + + +%% +%% Functions that override new and old bif's +%% +abs(_N) -> + dummy_abs. + +binary_part(_,_,_) -> + dummy_bp. + +% Make sure that auto-imported BIF's are overridden correctly + +override_bif(suite) -> + []; +override_bif(doc) -> + ["Test dat local functions and imports override auto-imported BIFs."]; +override_bif(Config) when is_list(Config) -> + ?line dummy_abs = abs(1), + ?line dummy_bp = binary_part(<<"hello">>,1,1), + ?line dummy = binary_part(<<"hello">>,{1,1}), + ?line 1 = erlang:abs(1), + ?line <<"e">> = erlang:binary_part(<<"hello">>,1,1), + ?line <<"e">> = erlang:binary_part(<<"hello">>,{1,1}), + F = fun(X) when byte_size(X) =:= 4 -> + four; + (X) -> + byte_size(X) + end, + ?line four = F(<<1,2,3,4>>), + ?line 5 = F(<<1,2,3,4,5>>), + ok. %% A bug reported by Tobias Lindahl for a development version of R11B. |