blob: 6a7ad22cd0c849b94dbdd0cd679d3a833da8a966 [file] [log] [blame]
-- { dg-do run }
with Unchecked_Conversion;
procedure Unchecked_Convert12 is
subtype Unsigned_Type is Integer range 2_034 .. 2_164;
subtype Signed_Type is Integer range -2048 .. 2047;
type Rec is record
S : Unsigned_Type;
end record;
pragma Pack (Rec);
function To_Signed_Type is
new Unchecked_Conversion (Source => Rec, Target => Signed_Type);
function To_Unsigned_Type is
new Unchecked_Conversion (Source => Signed_Type, Target => Rec);
Data : Signed_Type;
Temp : Rec;
begin
Data := -1996;
Temp := To_Unsigned_Type (Data);
if Temp.S /= 2100 then
raise Program_Error;
end if;
Data := To_Signed_Type (Temp);
if Data /= -1996 then
raise Program_Error;
end if;
Data := 2047;
Temp := To_Unsigned_Type (Data);
if Temp.S /= 2047 then
raise Program_Error;
end if;
Data := To_Signed_Type (Temp);
if Data /= 2047 then
raise Program_Error;
end if;
end;