diff options
Diffstat (limited to 'lib/compiler')
| -rw-r--r-- | lib/compiler/test/guard_SUITE.erl | 137 |
1 files changed, 131 insertions, 6 deletions
diff --git a/lib/compiler/test/guard_SUITE.erl b/lib/compiler/test/guard_SUITE.erl index 429d6b79e0..11d4038b06 100644 --- a/lib/compiler/test/guard_SUITE.erl +++ b/lib/compiler/test/guard_SUITE.erl @@ -88,8 +88,31 @@ misc(Config) when is_list(Config) -> {ok,buf,<<>>} = get_data({o,false,0}, 0, buf), error = get_data({o,false,0}, 42, buf), + relief = misc_2(0), + error = misc_2(1), + error = misc_2(true), + + if + is_integer(Config) =/= true -> + ok + end, + + true = misc_3(1, 0), + true = misc_3(0, 0), + false = misc_3(0, 2), + + %% Abuse of boolean values. + + Zero = id(0), + One = id(1), + ok = if (Zero == 0) > false -> ok end, + ok = if (Zero == 0) =:= (One == 1) -> ok end, + ok = if (Zero == 0) =:= (One == 1) -> ok end, + ok = if is_atom(Zero > One) -> ok end, + error = if abs(Zero > One) -> ok; true -> error end, + ok = if is_integer(Zero) >= is_integer(One) -> ok end, + ok. - misc_1([{W},{X},{Y},{Z}]) -> if @@ -99,6 +122,17 @@ misc_1([{W},{X},{Y},{Z}]) -> none end. +misc_2(0) -> relief; +misc_2(Adapter = 1) when Adapter -> franklin; +misc_2(_) -> error. + +misc_3(LenUp, LenDw) -> + if + %% Cover handling of #k_alt{}. + LenUp >= 1 orelse ((LenDw >= 2) xor true) -> true; + true -> false + end. + get_data({o,Active,Raw}, BytesToRead, Buffer) when Raw =:= raw; Raw =:= 0 -> if @@ -164,6 +198,12 @@ basic_not(Config) when is_list(Config) -> check(fun() -> if not glurf -> ok; true -> error end end, error), check(fun() -> if not Glurf -> ok; true -> error end end, error), + check(fun() -> if not (not true) -> broken end end, broken), + + check(fun() -> if not (True xor True) -> ok end end, ok), + check(fun() -> if not (True xor False) -> ok; + true -> error end end, error), + ok. complex_not(Config) when is_list(Config) -> @@ -188,8 +228,60 @@ complex_not(Config) when is_list(Config) -> check(fun() -> if not(element(1, ATuple) orelse element(3, ATuple)) -> ok; true -> error end end, error), + %% complex_not_1/4 + ok = complex_not_1(1, 1, 1, a), + error = complex_not_1(1, 1, 1, []), + error = complex_not_1(1, 1, 3, a), + error = complex_not_1(1, 1, 3, []), + error = complex_not_1(1, 2, 1, a), + error = complex_not_1(1, 2, 1, []), + error = complex_not_1(1, 2, 3, a), + error = complex_not_1(1, 2, 3, []), + + %% complex_not_2/4 + ok = complex_not_2(1, 2, 0, x), + error = complex_not_2(1, 2, 0, []), + error = complex_not_2(1, 2, 3, x), + error = complex_not_2(1, 2, 3, []), + error = complex_not_2(1, 1, 0, x), + error = complex_not_2(1, 1, 0, []), + error = complex_not_2(1, 1, 3, x), + error = complex_not_2(1, 1, 3, []), + ok. +complex_not_1(A, B, C, D) -> + Res = complex_not_1a(A, B, C, D), + Res = complex_not_1b(A, B, C, D). + +complex_not_1a(A, B, C, D) + when (not (A < B)) andalso (not (B < C)) andalso (not is_list(D)) -> + ok; +complex_not_1a(_, _, _, _) -> + error. + +complex_not_1b(A, B, C, D) + when (not (A < B)) and (not (B < C)) and (not is_list(D)) -> + ok; +complex_not_1b(_, _, _, _) -> + error. + +complex_not_2(A, B, C, D) -> + Res = complex_not_2a(A, B, C, D), + Res = complex_not_2b(A, B, C, D). + +complex_not_2a(A, B, C, D) + when A < B andalso not (B < C) andalso not is_list(D) -> + ok; +complex_not_2a(_, _, _, _) -> + error. + +complex_not_2b(A, B, C, D) + when A < B, not (B < C), not is_list(D) -> + ok; +complex_not_2b(_, _, _, _) -> + error. + nested_nots(Config) when is_list(Config) -> true = nested_not_1(0, 0), true = nested_not_1(0, 1), @@ -210,19 +302,36 @@ nested_nots(Config) when is_list(Config) -> false = nested_not_2(true, true, atom), ok. -nested_not_1(X, Y) when not (((X>Y) or not(is_atom(X))) and +nested_not_1(X, Y) -> + Res = nested_not_1a(X, Y), + Res = nested_not_1b(X, Y). + +nested_not_1a(X, Y) when not (((X>Y) or not(is_atom(X))) and (is_atom(Y) or (X==3.4))) -> true; -nested_not_1(_, _) -> +nested_not_1a(_, _) -> + false. + +nested_not_1b(X, Y) when not (((X>Y) orelse not(is_atom(X))) andalso + (is_atom(Y) orelse (X==3.4))) -> + true; +nested_not_1b(_, _) -> false. nested_not_2(X, Y, Z) -> - nested_not_2(X, Y, Z, true). + Res = nested_not_2a(X, Y, Z, true), + Res = nested_not_2b(X, Y, Z, true). -nested_not_2(X, Y, Z, True) +nested_not_2a(X, Y, Z, True) when not(True and not((not(X) and not(Y)) or not(is_atom(Z)))) -> true; -nested_not_2(_, _, _, _) -> +nested_not_2a(_, _, _, _) -> + false. + +nested_not_2b(X, Y, Z, True) + when not(True andalso not((not(X) andalso not(Y)) orelse not(is_atom(Z)))) -> + true; +nested_not_2b(_, _, _, _) -> false. semicolon(Config) when is_list(Config) -> @@ -1094,6 +1203,13 @@ tricky(Config) when is_list(Config) -> false = rb(100000, [1], 42), true = rb(100000, [], 42), true = rb(555, [a,b,c], 19), + + error = tricky_3(42), + error = tricky_3(42.0), + error = tricky_3(<<>>), + error = tricky_3(#{}), + error = tricky_3({a,b}), + ok. tricky_1(X, Y) when abs((X == 1) or (Y == 2)) -> ok; @@ -1102,6 +1218,15 @@ tricky_1(_, _) -> not_ok. tricky_2(X) when float(X) or float(X) -> ok; tricky_2(_) -> error. +tricky_3(X) + when abs(X) or bit_size(X) or byte_size(X) or ceil(X) or + float(X) or floor(X) or length(X) or + map_size(X) or node() or node(X) or round(X) or + self() or size(X) or tl(X) or trunc(X) or tuple_size(X) -> + ok; +tricky_3(_) -> + error. + %% From dets_v9:read_buckets/11, simplified. rb(Size, ToRead, SoFar) when SoFar + Size < 81920; ToRead == [] -> true; |