Add test suite for the tools application

1 files changed, 88 insertions, 0 deletions

diff --git a/lib/tools/test/cover_SUITE_data/cc.erl b/lib/tools/test/cover_SUITE_data/cc.erl
new file mode 100644
index 0000000000..587bdbe493
--- /dev/null
+++ b/lib/tools/test/cover_SUITE_data/cc.erl
@@ -0,0 +1,88 @@
+-module(cc).
+-export([epp/1, epp/2, dbg/1, dbg/2, cvr/1, cvr/2]).
+-export([p/2, pp/2]).
+
+%% epp(Module) - Creates Module.epp which contains all forms of Module
+%%               as obtained by using epp.
+%%
+%% dbg(Module) - Creates Module.dbg which contains all forms of Module
+%%               as obtained by using beam_lib:chunks/2.
+%%
+%% cvr(Module) - Creates Module.cvr which contains all forms of Module
+%%               as obtained by using cover:transform/3.
+%%
+
+epp(Module) ->
+    epp(Module, p).
+epp(Module, P) ->
+    File = atom_to_list(Module)++".erl",
+    {ok,Cwd} = file:get_cwd(),
+    {ok, Fd1} = epp:open(File, [Cwd], []),
+    {ok, Fd2} = file:open(atom_to_list(Module)++".epp", write),
+
+    epp(Fd1, Fd2, P),
+    
+    epp:close(Fd1),
+    file:close(Fd2),
+    ok.
+
+epp(Fd1, Fd2, P) ->
+    case epp:parse_erl_form(Fd1) of
+	{ok, {attribute,Line,Attr,Data}} ->
+	    epp(Fd1, Fd2, P);
+	{ok, Form} when P==p ->
+	    io:format(Fd2, "~p.~n", [Form]),
+	    epp(Fd1, Fd2, P);
+	{ok, Form} when P==pp ->
+	    io:format(Fd2, "~p.~n", [erl_pp:form(Form)]),
+	    epp(Fd1, Fd2, P);
+	{eof, Line} ->
+	    ok
+    end.
+
+cvr(Module) ->
+    cvr(Module, p).
+cvr(Module, P) ->
+    case beam_lib:chunks(Module, [abstract_code]) of
+	{ok, {Module, [{abstract_code, no_abstract_code}]}} ->
+	    {error, {no_debug_info,Module}};
+	{ok, {Module, [{abstract_code, {Vsn, Forms}}]}} ->
+	    Vars = {vars,Module,Vsn, [],
+		    undefined, undefined, undefined, undefined, undefined,
+		    undefined,
+		    false},
+	    {ok, TForms, _Vars2} = cover:transform(Forms, [], Vars),
+	    File = atom_to_list(Module)++".cvr",
+	    apply(?MODULE, P, [File, TForms]);
+	Error ->
+	    Error
+    end.
+
+dbg(Module) ->
+    dbg(Module, p).
+dbg(Module, P) ->
+    case beam_lib:chunks(Module, [abstract_code]) of
+	{ok, {Module, [{abstract_code, no_abstract_code}]}} ->
+	    {error, {no_debug_info,Module}};
+	{ok, {Module, [{abstract_code, {Vsn, Forms}}]}} ->
+	    File = atom_to_list(Module)++".dbg",
+	    apply(?MODULE, P, [File, Forms]);
+	Error ->
+	    Error
+    end.
+
+p(File, Forms) ->
+    {ok, Fd} = file:open(File, write),
+    lists:foreach(fun(Form) ->
+			  io:format(Fd, "~p.~n", [Form])
+		  end,
+		  Forms),
+    file:close(Fd).
+
+pp(File, Forms) ->
+    {ok, Fd} = file:open(File, write),
+    lists:foreach(fun(Form) ->
+			  io:format(Fd, "~s", [erl_pp:form(Form)])
+		  end,
+		  Forms),
+    file:close(Fd).