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authorBjörn Gustavsson <[email protected]>2019-03-22 10:22:24 +0100
committerBjörn Gustavsson <[email protected]>2019-03-25 09:58:58 +0100
commit6f248d2f73475319b25ad00676168ec75f682489 (patch)
tree233da8f9b99bb103bd8245b9c76c0c1ae6c2bd0a /lib
parentf3293ecdb3c223ec10babbbf26569e00f89ae28d (diff)
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Add test_lib:highest_opcode/1
Diffstat (limited to 'lib')
-rw-r--r--lib/compiler/test/compile_SUITE.erl4
-rw-r--r--lib/compiler/test/test_lib.erl11
2 files changed, 11 insertions, 4 deletions
diff --git a/lib/compiler/test/compile_SUITE.erl b/lib/compiler/test/compile_SUITE.erl
index 408af80dd9..53627b9d81 100644
--- a/lib/compiler/test/compile_SUITE.erl
+++ b/lib/compiler/test/compile_SUITE.erl
@@ -1431,9 +1431,7 @@ bc_options(Config) ->
highest_opcode(DataDir, Mod, Opt) ->
Src = filename:join(DataDir, atom_to_list(Mod)++".erl"),
{ok,Mod,Beam} = compile:file(Src, [binary|Opt]),
- {ok,{Mod,[{"Code",Code}]}} = beam_lib:chunks(Beam, ["Code"]),
- <<16:32,0:32,HighestOpcode:32,_/binary>> = Code,
- HighestOpcode.
+ test_lib:highest_opcode(Beam).
deterministic_include(Config) when is_list(Config) ->
DataDir = proplists:get_value(data_dir, Config),
diff --git a/lib/compiler/test/test_lib.erl b/lib/compiler/test/test_lib.erl
index 39c26c6142..3348c6e9ea 100644
--- a/lib/compiler/test/test_lib.erl
+++ b/lib/compiler/test/test_lib.erl
@@ -22,7 +22,8 @@
-include_lib("common_test/include/ct.hrl").
-compile({no_auto_import,[binary_part/2]}).
-export([id/1,recompile/1,parallel/0,uniq/0,opt_opts/1,get_data_dir/1,
- is_cloned_mod/1,smoke_disasm/1,p_run/2]).
+ is_cloned_mod/1,smoke_disasm/1,p_run/2,
+ highest_opcode/1]).
%% Used by test case that override BIFs.
-export([binary_part/2,binary/1]).
@@ -113,6 +114,14 @@ is_cloned_mod_1("_no_module_opt_SUITE") -> true;
is_cloned_mod_1([_|T]) -> is_cloned_mod_1(T);
is_cloned_mod_1([]) -> false.
+%% Return the highest opcode use in the BEAM module.
+
+highest_opcode(Beam) ->
+ {ok,{_Mod,[{"Code",Code}]}} = beam_lib:chunks(Beam, ["Code"]),
+ FormatNumber = 0,
+ <<16:32,FormatNumber:32,HighestOpcode:32,_/binary>> = Code,
+ HighestOpcode.
+
%% p_run(fun(Data) -> ok|error, List) -> ok
%% Will fail the test case if there were any errors.