Merge branch 'aronisstav/dialyzer/dialyzer_tests/OTP-9116' into dev

* aronisstav/dialyzer/dialyzer_tests/OTP-9116:
  Increase timetrap of options1 suite
  Write output_plt even when plt_check is ok
  Create plt with erts, kernel and stdlib only
  Update test results as they currently appear in dev
  Major restructure of dialyzer's testsuite
  Add 'apps' option to the erlang interface
  Update spec file to work with new common test structure
  Test suites for Dialyzer

2 files changed, 44 insertions, 0 deletions

diff --git a/lib/dialyzer/test/opaque_tests_SUITE_data/src/int/int_adt.erl b/lib/dialyzer/test/opaque_tests_SUITE_data/src/int/int_adt.erl
new file mode 100644
index 0000000000..99f8cbdc4a
--- /dev/null
+++ b/lib/dialyzer/test/opaque_tests_SUITE_data/src/int/int_adt.erl
@@ -0,0 +1,33 @@
+%%----------------------------------------------------------------------------
+%% Module that tests consistency of spec declarations in the presence of
+%% opaque types.  Contains both valid and invalid contracts with opaque types.
+%%----------------------------------------------------------------------------
+
+-module(int_adt).
+
+-export([new_i/0, add_i/2, div_i/2, add_f/2, div_f/2]).
+
+-export_type([int/0]).
+
+-opaque int() :: integer().
+
+%% the user has declared the return to be an opaque type, but the success
+%% typing inference is too strong and finds a subtype as a return: this is OK
+-spec new_i() -> int().
+new_i() -> 42.
+
+%% the success typing is more general than the contract: this is OK
+-spec add_i(int(), int()) -> int().
+add_i(X, Y) -> X + Y.
+
+%% the success typing coincides with the contract: this is OK, of course
+-spec div_i(int(), int()) -> int().
+div_i(X, Y) -> X div Y.
+
+%% the success typing has an incompatible domain element: this is invalid
+-spec add_f(int(), int()) -> int().
+add_f(X, Y) when is_float(Y) -> X + trunc(Y).
+
+%% the success typing has an incompatible range: this is invalid
+-spec div_f(int(), int()) -> int().
+div_f(X, Y) -> X / Y.
diff --git a/lib/dialyzer/test/opaque_tests_SUITE_data/src/int/int_use.erl b/lib/dialyzer/test/opaque_tests_SUITE_data/src/int/int_use.erl
new file mode 100644
index 0000000000..b4471e1cee
--- /dev/null
+++ b/lib/dialyzer/test/opaque_tests_SUITE_data/src/int/int_use.erl
@@ -0,0 +1,11 @@
+%%---------------------------------------------------------------------------
+%% Module that uses the opaque types of int_adt.
+%% TODO: Should be extended with invalid contracts.
+%%---------------------------------------------------------------------------
+-module(int_use).
+
+-export([test/0]).
+
+-spec test() -> int_adt:int().
+test() ->
+  int_adt:new_i().