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authorRichard Carlsson <[email protected]>2015-05-12 10:48:28 +0200
committerRichard Carlsson <[email protected]>2015-05-22 12:43:53 +0200
commit5b5fa217dc72f9d3dd679d59c8bab262d5ce8da2 (patch)
treea02ff88f6a515880c9d8dc08cb94da3302a3d5f0 /lib/syntax_tools
parente533ea29e80a641f247022f321a3bf1a1456c56e (diff)
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Add tests for merl in syntax_tools
Diffstat (limited to 'lib/syntax_tools')
-rw-r--r--lib/syntax_tools/test/Makefile3
-rw-r--r--lib/syntax_tools/test/merl_SUITE.erl91
2 files changed, 93 insertions, 1 deletions
diff --git a/lib/syntax_tools/test/Makefile b/lib/syntax_tools/test/Makefile
index f67e3f8984..569c044b1a 100644
--- a/lib/syntax_tools/test/Makefile
+++ b/lib/syntax_tools/test/Makefile
@@ -6,7 +6,8 @@ include $(ERL_TOP)/make/$(TARGET)/otp.mk
# ----------------------------------------------------
MODULES= \
- syntax_tools_SUITE
+ syntax_tools_SUITE \
+ merl_SUITE
ERL_FILES= $(MODULES:%=%.erl)
diff --git a/lib/syntax_tools/test/merl_SUITE.erl b/lib/syntax_tools/test/merl_SUITE.erl
new file mode 100644
index 0000000000..08b0f7a696
--- /dev/null
+++ b/lib/syntax_tools/test/merl_SUITE.erl
@@ -0,0 +1,91 @@
+%% ``The contents of this file are subject to the Erlang Public License,
+%% Version 1.1, (the "License"); you may not use this file except in
+%% compliance with the License. You should have received a copy of the
+%% Erlang Public License along with this software. If not, it can be
+%% retrieved via the world wide web at http://www.erlang.org/.
+%%
+%% Software distributed under the License is distributed on an "AS IS"
+%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
+%% the License for the specific language governing rights and limitations
+%% under the License.
+%%
+%% The Initial Developer of the Original Code is Ericsson Utvecklings AB.
+%% Portions created by Ericsson are Copyright 1999, Ericsson Utvecklings
+%% AB. All Rights Reserved.''
+%%
+-module(merl_SUITE).
+
+-include_lib("test_server/include/test_server.hrl").
+
+%% include the Merl header file
+-include_lib("syntax_tools/include/merl.hrl").
+
+%% for assert macros
+-include_lib("eunit/include/eunit.hrl").
+
+%% Test server specific exports
+-export([all/0, suite/0,groups/0,init_per_suite/1, end_per_suite/1,
+ init_per_group/2,end_per_group/2]).
+
+%% Test cases
+-export([merl_smoke_test/1]).
+
+suite() -> [{ct_hooks,[ts_install_cth]}].
+
+all() ->
+ [merl_smoke_test].
+
+groups() ->
+ [].
+
+init_per_suite(Config) ->
+ Config.
+
+end_per_suite(_Config) ->
+ ok.
+
+init_per_group(_GroupName, Config) ->
+ Config.
+
+end_per_group(_GroupName, Config) ->
+ Config.
+
+-define(tokens2str(X), ??X).
+
+merl_smoke_test(Config) when is_list(Config) ->
+ ?assertThrow({error, "1: syntax error before: '{'" ++ _},
+ f(merl:quote("{"))),
+ ?assertEqual(tuple, erl_syntax:type(merl:term({}))),
+ ?assertEqual("{foo, 42}", f(merl:term({foo, 42}))),
+ ?assertEqual("f(X) -> {ok, X}.", f(?Q("f(X) -> {ok, X}."))),
+ ?assertEqual("{foo, 42}", f(?Q("{foo, 42}"))),
+ ?assertEqual("2 + 2", f(?Q("2 + 2"))),
+ ?assertEqual("%% comment preserved\n{foo, 42}",
+ f(?Q(["%% comment preserved", "{foo, 42}"]))),
+ ?assertEqual("'@foo'", f(merl:tree(merl:template(?Q("'@foo'"))))),
+ ?assertEqual("42", f(merl:subst(?Q("_@foo"), [{foo, merl:term(42)}]))),
+ ?assertEqual({ok, []}, merl:match(?Q("foo"), ?Q("foo"))),
+ ?assertEqual(42, merl:switch(?Q("foo"), [fun () -> 42 end])),
+ ?assertEqual("{foo}", f(begin Foo = ?Q("foo"), ?Q("{_@Foo}") end)),
+ ?assertEqual("{foo}", f(begin Foo = foo, ?Q("{_@Foo@}") end)),
+ ?assertEqual("{[bar], baz()}",
+ f(begin
+ Tree = ?Q("{foo, [bar], baz()}"),
+ ?Q("{foo, _@Bar, '@Baz'}") = Tree,
+ ?Q("{_@Bar, _@Baz}")
+ end)),
+ ?assertEqual("{[bar], baz()}",
+ f(begin
+ Tree = ?Q("{foo, [bar], baz()}"),
+ case Tree of
+ ?Q("{foo, _@Bar, '@Baz'}") -> ?Q("{_@Bar, _@Baz}")
+ end
+ end)),
+ ok.
+
+%% utilities
+
+f(Ts) when is_list(Ts) ->
+ lists:flatmap(fun erl_prettypr:format/1, Ts);
+f(T) ->
+ erl_prettypr:format(T).