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-rw-r--r--lib/eunit/src/eunit_lib.erl6
-rw-r--r--lib/stdlib/include/assert.hrl29
2 files changed, 19 insertions, 16 deletions
diff --git a/lib/eunit/src/eunit_lib.erl b/lib/eunit/src/eunit_lib.erl
index 4dbe023257..9dbb4835f8 100644
--- a/lib/eunit/src/eunit_lib.erl
+++ b/lib/eunit/src/eunit_lib.erl
@@ -192,7 +192,6 @@ error_msg(Title, Fmt, Args) ->
io_lib:fwrite("*** ~ts ***\n~ts\n\n", [Title, Msg]).
-ifdef(TEST).
--dialyzer({no_match, format_exception_test_/0}).
format_exception_test_() ->
[?_assertMatch(
"\nymmud:rorre"++_,
@@ -274,7 +273,6 @@ dlist_next([], Xs) ->
-ifdef(TEST).
--dialyzer({no_match, dlist_test_/0}).
dlist_test_() ->
{"deep list traversal",
[{"non-list term -> singleton list",
@@ -340,7 +338,6 @@ is_nonempty_string([]) -> false;
is_nonempty_string(Cs) -> is_string(Cs).
-ifdef(TEST).
--dialyzer({no_match, is_string_test_/0}).
is_string_test_() ->
{"is_string",
[{"no non-lists", ?_assert(not is_string($A))},
@@ -402,7 +399,7 @@ uniq([X | Xs]) -> [X | uniq(Xs)];
uniq([]) -> [].
-ifdef(TEST).
--dialyzer({[no_match, no_fail_call, no_improper_lists], uniq_test_/0}).
+-dialyzer({[no_fail_call, no_improper_lists], uniq_test_/0}).
uniq_test_() ->
{"uniq",
[?_assertError(function_clause, uniq(ok)),
@@ -581,7 +578,6 @@ trie_match([], _T) ->
-ifdef(TEST).
--dialyzer({no_match, trie_test_/0}).
trie_test_() ->
[{"basic representation",
[?_assert(trie_new() =:= gb_trees:empty()),
diff --git a/lib/stdlib/include/assert.hrl b/lib/stdlib/include/assert.hrl
index 151794d114..9e5d4eb598 100644
--- a/lib/stdlib/include/assert.hrl
+++ b/lib/stdlib/include/assert.hrl
@@ -59,19 +59,22 @@
-define(assert(BoolExpr),ok).
-else.
%% The assert macro is written the way it is so as not to cause warnings
-%% for clauses that cannot match, even if the expression is a constant.
+%% for clauses that cannot match, even if the expression is a constant or
+%% is known to be boolean-only.
-define(assert(BoolExpr),
begin
((fun () ->
+ __T = is_process_alive(self()), % cheap source of truth
case (BoolExpr) of
- true -> ok;
+ __T -> ok;
__V -> erlang:error({assert,
[{module, ?MODULE},
{line, ?LINE},
{expression, (??BoolExpr)},
{expected, true},
- case __V of false -> {value, __V};
- _ -> {not_boolean,__V}
+ case not __T of
+ __V -> {value, false};
+ _ -> {not_boolean, __V}
end]})
end
end)())
@@ -85,15 +88,17 @@
-define(assertNot(BoolExpr),
begin
((fun () ->
+ __F = not is_process_alive(self()),
case (BoolExpr) of
- false -> ok;
+ __F -> ok;
__V -> erlang:error({assert,
[{module, ?MODULE},
{line, ?LINE},
{expression, (??BoolExpr)},
{expected, false},
- case __V of true -> {value, __V};
- _ -> {not_boolean,__V}
+ case not __F of
+ __V -> {value, true};
+ _ -> {not_boolean, __V}
end]})
end
end)())
@@ -149,7 +154,8 @@
-else.
-define(assertEqual(Expect, Expr),
begin
- ((fun (__X) ->
+ ((fun () ->
+ __X = (Expect),
case (Expr) of
__X -> ok;
__V -> erlang:error({assertEqual,
@@ -159,7 +165,7 @@
{expected, __X},
{value, __V}]})
end
- end)(Expect))
+ end)())
end).
-endif.
@@ -169,7 +175,8 @@
-else.
-define(assertNotEqual(Unexpected, Expr),
begin
- ((fun (__X) ->
+ ((fun () ->
+ __X = (Unexpected),
case (Expr) of
__X -> erlang:error({assertNotEqual,
[{module, ?MODULE},
@@ -178,7 +185,7 @@
{value, __X}]});
_ -> ok
end
- end)(Unexpected))
+ end)())
end).
-endif.