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-rw-r--r--lib/hipe/test/basic_SUITE_data/basic_exceptions.erl215
1 files changed, 214 insertions, 1 deletions
diff --git a/lib/hipe/test/basic_SUITE_data/basic_exceptions.erl b/lib/hipe/test/basic_SUITE_data/basic_exceptions.erl
index 229a0516dc..ba9c03d4ba 100644
--- a/lib/hipe/test/basic_SUITE_data/basic_exceptions.erl
+++ b/lib/hipe/test/basic_SUITE_data/basic_exceptions.erl
@@ -6,12 +6,13 @@
%%%-------------------------------------------------------------------
-module(basic_exceptions).
--export([test/0, test_catches/0]).
+-export([test/0]).
%% functions used as arguments to spawn/3
-export([bad_guy/2]).
test() ->
+ ok = test_catches(),
ok = test_catch_exit(42),
ok = test_catch_throw(42),
ok = test_catch_element(),
@@ -22,6 +23,8 @@ test() ->
ok = test_pending_errors(),
ok = test_bad_fun_call(),
ok = test_guard_bif(),
+ ok = test_eclectic(),
+ ok = test_raise(),
ok.
%%--------------------------------------------------------------------
@@ -463,3 +466,213 @@ guard_bif('node/0', X, Y) when node() == Y ->
{'node/0', X, Y};
guard_bif('node/1', X, Y) when node(X) == Y ->
{'node/1', X, Y}.
+
+%%--------------------------------------------------------------------
+%% Taken from trycatch_SUITE.erl (compiler test suite).
+%%
+%% Cases that are commented out contain exception information that was
+%% added to Erlang/OTP in commit e8d45ae14c6c3bdfcbbc7964228b004ef4f11ea6
+%% (May 2017) only in the BEAM emulator. Thus, part of this test fails
+%% when compiled in native code.
+%% The remaining cases are uncommented so that they are properly tested
+%% in native code too.
+%%--------------------------------------------------------------------
+
+test_eclectic() ->
+ V = {make_ref(),3.1415926535,[[]|{}]},
+ {{value,{value,V},V},V} =
+ eclectic_1({foo,{value,{value,V}}}, undefined, {value,V}),
+ {{'EXIT',{V,[{?MODULE,foo,1,_}|_]}},V} =
+ eclectic_1({catch_foo,{error,V}}, undefined, {value,V}),
+ {{error,{exit,V},{'EXIT',V}},V} =
+ eclectic_1({foo,{error,{exit,V}}}, error, {value,V}),
+ %% {{value,{value,V},V},
+ %% {'EXIT',{badarith,[{erlang,'+',[0,a],_},{?MODULE,my_add,2,_}|_]}}} =
+ %% eclectic_1({foo,{value,{value,V}}}, undefined, {'add',{0,a}}),
+ {{'EXIT',V},V} =
+ eclectic_1({catch_foo,{exit,V}}, undefined, {throw,V}),
+ %% {{error,{'div',{1,0}},{'EXIT',{badarith,[{erlang,'div',[1,0],_},{?MODULE,my_div,2,_}|_]}}},
+ %% {'EXIT',V}} =
+ %% eclectic_1({foo,{error,{'div',{1,0}}}}, error, {exit,V}),
+ {{{error,V},{'EXIT',{V,[{?MODULE,foo,1,_}|_]}}},
+ {'EXIT',V}} =
+ eclectic_1({catch_foo,{throw,{error,V}}}, undefined, {exit,V}),
+ %%
+ {{value,{value,{value,V},V}},V} =
+ eclectic_2({value,{value,V}}, undefined, {value,V}),
+ {{value,{throw,{value,V},V}},V} =
+ eclectic_2({throw,{value,V}}, throw, {value,V}),
+ {{caught,{'EXIT',V}},undefined} =
+ eclectic_2({value,{value,V}}, undefined, {exit,V}),
+ {{caught,{'EXIT',{V,[{?MODULE,foo,1,_}|_]}}},undefined} =
+ eclectic_2({error,{value,V}}, throw, {error,V}),
+ %% The following fails in native code
+ %% %% {{caught,{'EXIT',{badarg,[{erlang,abs,[V],_}|_]}}},V} =
+ %% %% eclectic_2({value,{'abs',V}}, undefined, {value,V}),
+ %% {{caught,{'EXIT',{badarith,[{erlang,'+',[0,a],_},{?MODULE,my_add,2,_}|_]}}},V} =
+ %% eclectic_2({exit,{'add',{0,a}}}, exit, {value,V}),
+ {{caught,{'EXIT',V}},undefined} =
+ eclectic_2({value,{error,V}}, undefined, {exit,V}),
+ {{caught,{'EXIT',{V,[{?MODULE,foo,1,_}|_]}}},undefined} =
+ eclectic_2({throw,{'div',{1,0}}}, throw, {error,V}),
+ ok.
+
+eclectic_1(X, C, Y) ->
+ erase(eclectic),
+ Done = make_ref(),
+ Try =
+ try case X of
+ {catch_foo,V} -> catch {Done,foo(V)};
+ {foo,V} -> {Done,foo(V)}
+ end of
+ {Done,D} -> {value,D,catch foo(D)};
+ {'EXIT',_}=Exit -> Exit;
+ D -> {D,catch foo(D)}
+ catch
+ C:D -> {C,D,catch foo(D)}
+ after
+ put(eclectic, catch foo(Y))
+ end,
+ {Try,erase(eclectic)}.
+
+eclectic_2(X, C, Y) ->
+ Done = make_ref(),
+ erase(eclectic),
+ Catch =
+ case
+ catch
+ {Done,
+ try foo(X) of
+ V -> {value,V,foo(V)}
+ catch
+ C:D -> {C,D,foo(D)}
+ after
+ put(eclectic, foo(Y))
+ end} of
+ {Done,Z} -> {value,Z};
+ Z -> {caught,Z}
+ end,
+ {Catch,erase(eclectic)}.
+
+foo({value,Value}) -> Value;
+foo({'div',{A,B}}) ->
+ my_div(A, B);
+foo({'add',{A,B}}) ->
+ my_add(A, B);
+foo({'abs',X}) ->
+ my_abs(X);
+foo({error,Error}) ->
+ erlang:error(Error);
+foo({throw,Throw}) ->
+ erlang:throw(Throw);
+foo({exit,Exit}) ->
+ erlang:exit(Exit);
+foo({raise,{Class,Reason}}) ->
+ erlang:raise(Class, Reason);
+foo(Term) when not is_atom(Term) -> Term.
+%%foo(Atom) when is_atom(Atom) -> % must not be defined!
+
+my_div(A, B) ->
+ A div B.
+
+my_add(A, B) ->
+ A + B.
+
+my_abs(X) ->
+ abs(X).
+
+test_raise() ->
+ test_raise(fun() -> exit({exit,tuple}) end),
+ test_raise(fun() -> abs(id(x)) end),
+ test_raise(fun() -> throw({was,thrown}) end),
+
+ badarg = bad_raise(fun() -> abs(id(x)) end),
+
+ ok.
+
+bad_raise(Expr) ->
+ try
+ Expr()
+ catch
+ _:E:Stk ->
+ erlang:raise(bad_class, E, Stk)
+ end.
+
+test_raise(Expr) ->
+ test_raise_1(Expr),
+ test_raise_2(Expr),
+ test_raise_3(Expr).
+
+test_raise_1(Expr) ->
+ erase(exception),
+ try
+ do_test_raise_1(Expr)
+ catch
+ C:E:Stk ->
+ {C,E,Stk} = erase(exception)
+ end.
+
+do_test_raise_1(Expr) ->
+ try
+ Expr()
+ catch
+ C:E:Stk ->
+ %% Here the stacktrace must be built.
+ put(exception, {C,E,Stk}),
+ erlang:raise(C, E, Stk)
+ end.
+
+test_raise_2(Expr) ->
+ erase(exception),
+ try
+ do_test_raise_2(Expr)
+ catch
+ C:E:Stk ->
+ {C,E} = erase(exception),
+ try
+ Expr()
+ catch
+ _:_:S ->
+ [StkTop|_] = S,
+ [StkTop|_] = Stk
+ end
+ end.
+
+do_test_raise_2(Expr) ->
+ try
+ Expr()
+ catch
+ C:E:Stk ->
+ %% Here it is possible to replace erlang:raise/3 with
+ %% the raw_raise/3 instruction since the stacktrace is
+ %% not actually used.
+ put(exception, {C,E}),
+ erlang:raise(C, E, Stk)
+ end.
+
+test_raise_3(Expr) ->
+ try
+ do_test_raise_3(Expr)
+ catch
+ exit:{exception,C,E}:Stk ->
+ try
+ Expr()
+ catch
+ C:E:S ->
+ [StkTop|_] = S,
+ [StkTop|_] = Stk
+ end
+ end.
+
+do_test_raise_3(Expr) ->
+ try
+ Expr()
+ catch
+ C:E:Stk ->
+ %% Here it is possible to replace erlang:raise/3 with
+ %% the raw_raise/3 instruction since the stacktrace is
+ %% not actually used.
+ erlang:raise(exit, {exception,C,E}, Stk)
+ end.
+
+id(I) -> I.
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