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Diffstat (limited to 'gcc-4.9/gcc/testsuite/ada/acats/tests/c6/c641001.a')
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1 files changed, 281 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/ada/acats/tests/c6/c641001.a b/gcc-4.9/gcc/testsuite/ada/acats/tests/c6/c641001.a new file mode 100644 index 000000000..84ee58a7e --- /dev/null +++ b/gcc-4.9/gcc/testsuite/ada/acats/tests/c6/c641001.a @@ -0,0 +1,281 @@ +-- C641001.A +-- +-- Grant of Unlimited Rights +-- +-- Under contracts F33600-87-D-0337, F33600-84-D-0280, MDA903-79-C-0687, +-- F08630-91-C-0015, and DCA100-97-D-0025, the U.S. Government obtained +-- unlimited rights in the software and documentation contained herein. +-- Unlimited rights are defined in DFAR 252.227-7013(a)(19). By making +-- this public release, the Government intends to confer upon all +-- recipients unlimited rights equal to those held by the Government. +-- These rights include rights to use, duplicate, release or disclose the +-- released technical data and computer software in whole or in part, in +-- any manner and for any purpose whatsoever, and to have or permit others +-- to do so. +-- +-- DISCLAIMER +-- +-- ALL MATERIALS OR INFORMATION HEREIN RELEASED, MADE AVAILABLE OR +-- DISCLOSED ARE AS IS. THE GOVERNMENT MAKES NO EXPRESS OR IMPLIED +-- WARRANTY AS TO ANY MATTER WHATSOEVER, INCLUDING THE CONDITIONS OF THE +-- SOFTWARE, DOCUMENTATION OR OTHER INFORMATION RELEASED, MADE AVAILABLE +-- OR DISCLOSED, OR THE OWNERSHIP, MERCHANTABILITY, OR FITNESS FOR A +-- PARTICULAR PURPOSE OF SAID MATERIAL. +--* +-- +-- OBJECTIVE: +-- Check that actual parameters passed by reference are view converted +-- to the nominal subtype of the formal parameter. +-- +-- TEST DESCRIPTION: +-- Check that sliding is allowed for formal parameters, especially +-- check cases that would have caused errors in Ada'83. +-- Check that length check for a formal parameter (esp out mode) +-- is performed before the call, not after. +-- +-- notes: 6.2; by reference ::= tagged, task, protected, +-- limited (nonprivate), or composite containing such +-- 4.6; view conversion +-- +-- +-- CHANGE HISTORY: +-- 26 JAN 96 SAIC Initial version +-- 04 NOV 96 SAIC Commentary revision for release 2.1 +-- 27 FEB 97 PWB.CTA Corrected reference to the wrong string +--! + +----------------------------------------------------------------- C641001_0 + +package C641001_0 is + + subtype String_10 is String(1..10); + + procedure Check_String_10( S : out String_10; Start, Stop: Natural ); + + procedure Check_Illegal_Slice_Reference( Slice_Passed : in out String; + Index: Natural ); + + type Tagged_Data(Bound: Natural) is tagged record + Data_Item : String(1..Bound) := (others => '*'); + end record; + + type Tag_List is array(Natural range <>) of Tagged_Data(5); + + subtype Tag_List_10 is Tag_List(1..10); + + procedure Check_Tag_Slice( TL : in out Tag_List_10 ); + + procedure Check_Out_Tagged_Data( Formal : out Tagged_Data ); + +end C641001_0; + +-- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- + +with Report; +with TCTouch; +package body C641001_0 is + + String_Data : constant String := "1234567890ABCDEFGHIJKLMNOPQRSTUVWXYZ"; + + procedure Check_String_10( S : out String_10; Start, Stop: Natural ) is + begin + if S'Length /= 10 then + Report.Failed("Length check not performed prior to execution"); + end if; + S := String_Data(Start..Stop); + exception + when others => Report.Failed("Exception encountered in Check_String_10"); + end Check_String_10; + + procedure Check_Illegal_Slice_Reference( Slice_Passed : in out String; + Index: Natural ) is + begin + -- essentially "do-nothing" for optimization foilage... + if Slice_Passed(Index) in Character then + -- Intent is ^^^^^ should raise Constraint_Error + Report.Failed("Illegal Slice provided legal character"); + else + Report.Failed("Illegal Slice provided illegal character"); + end if; + exception + when Constraint_Error => + null; -- expected case + when others => + Report.Failed("Wrong exception in Check_Illegal_Slice_Reference"); + end Check_Illegal_Slice_Reference; + + procedure Check_Tag_Slice( TL : in out Tag_List_10 ) is + -- if the view conversion is not performed, one of the following checks + -- will fail (given data passed as 0..9 and then 2..11) + begin + Check_Under_Index: -- index 0 should raise C_E + begin + TCTouch.Assert( TL(Report.Ident_Int(0)).Data_Item = "*****", + "Index 0 (illegal); bad data" ); + Report.Failed("Index 0 did not raise Constraint_Error"); + exception + when Constraint_Error => + null; -- expected case + when others => + Report.Failed("Wrong exception in Check_Under_Index "); + end Check_Under_Index; + + Check_Over_Index: -- index 11 should raise C_E + begin + TCTouch.Assert( TL(Report.Ident_Int(11)).Data_Item = "*****", + "Index 11 (illegal); bad data" ); + Report.Failed("Index 11 did not raise Constraint_Error"); + exception + when Constraint_Error => + null; -- expected case + when others => + Report.Failed("Wrong exception in Check_Over_Index "); + end Check_Over_Index; + + end Check_Tag_Slice; + + procedure Check_Out_Tagged_Data( Formal : out Tagged_Data ) is + begin + TCTouch.Assert( Formal.Data_Item = "*****", "out formal data bad" ); + Formal.Data_Item(1) := '!'; + end Check_Out_Tagged_Data; + +end C641001_0; + +------------------------------------------------------------------- C641001 + +with Report; +with TCTouch; +with C641001_0; +procedure C641001 is + + function II( I: Integer ) return Integer renames Report.Ident_Int; + -- ^^ name chosen to allow embedding in calls + + A_String_10 : C641001_0.String_10; + Slicable : String(1..40); + Tag_Slices : C641001_0.Tag_List(0..11); + + Global_Data : String(1..26) := "ABCDEFGHIJKLMNOPQRSTUVWXYZ"; + + procedure Check_Out_Sliding( Lo1, Hi1, Lo2, Hi2 : Natural ) is + + subtype One_Constrained_String is String(Lo1..Hi1); -- 1 5 + subtype Two_Constrained_String is String(Lo2..Hi2); -- 6 10 + + procedure Out_Param( Param : out One_Constrained_String ) is + begin + Param := Report.Ident_Str( Global_Data(Lo2..Hi2) ); + end Out_Param; + Object : Two_Constrained_String; + begin + Out_Param( Object ); + if Object /= Report.Ident_Str( Global_Data(Lo2..Hi2) ) then + Report.Failed("Bad result in Check_Out_Sliding"); + end if; + exception + when others => Report.Failed("Exception in Check_Out_Sliding"); + end Check_Out_Sliding; + + procedure Check_Dynamic_Subtype_Cases(F_Lower,F_Upper: Natural; + A_Lower,A_Upper: Natural) is + + subtype Dyn_String is String(F_Lower..F_Upper); + + procedure Check_Dyn_Subtype_Formal_Out( Param : out Dyn_String ) is + begin + Param := Global_Data(11..20); + end Check_Dyn_Subtype_Formal_Out; + + procedure Check_Dyn_Subtype_Formal_In( Param : in Dyn_String ) is + begin + if Param /= Global_Data(11..20) then + Report.Failed("Dynamic case, data mismatch"); + end if; + end Check_Dyn_Subtype_Formal_In; + + Stuff: String(A_Lower..A_Upper); + + begin + Check_Dyn_Subtype_Formal_Out( Stuff ); + Check_Dyn_Subtype_Formal_In( Stuff ); + end Check_Dynamic_Subtype_Cases; + +begin -- Main test procedure. + + Report.Test ("C641001", "Check that actual parameters passed by " & + "reference are view converted to the nominal " & + "subtype of the formal parameter" ); + + -- non error cases for string slices + + C641001_0.Check_String_10( A_String_10, 1, 10 ); + TCTouch.Assert( A_String_10 = "1234567890", "Nominal case" ); + + C641001_0.Check_String_10( A_String_10, 11, 20 ); + TCTouch.Assert( A_String_10 = "ABCDEFGHIJ", "Sliding to subtype" ); + + C641001_0.Check_String_10( Slicable(1..10), 1, 10 ); + TCTouch.Assert( Slicable(1..10) = "1234567890", "Slice, no sliding" ); + + C641001_0.Check_String_10( Slicable(1..10), 21, 30 ); + TCTouch.Assert( Slicable(1..10) = "KLMNOPQRST", "Sliding to slice" ); + + C641001_0.Check_String_10( Slicable(11..20), 11, 20 ); + TCTouch.Assert( Slicable(11..20) = "ABCDEFGHIJ", "Sliding to same" ); + + C641001_0.Check_String_10( Slicable(21..30), 11, 20 ); + TCTouch.Assert( Slicable(21..30) = "ABCDEFGHIJ", "Sliding up" ); + + -- error cases for string slices + + C641001_0.Check_Illegal_Slice_Reference( Slicable(21..30), 20 ); + + C641001_0.Check_Illegal_Slice_Reference( Slicable(1..15), Slicable'Last ); + + -- checks for view converting actuals to formals + + -- catch low bound fault + C641001_0.Check_Tag_Slice( Tag_Slices(II(0)..9) ); -- II ::= Ident_Int + TCTouch.Assert( Tag_Slices'First = 0, "Tag_Slices'First = 0" ); + TCTouch.Assert( Tag_Slices'Last = 11, "Tag_Slices'Last = 11" ); + + -- catch high bound fault + C641001_0.Check_Tag_Slice( Tag_Slices(2..II(11)) ); + TCTouch.Assert( Tag_Slices'First = 0, "Tag_Slices'First = 0" ); + TCTouch.Assert( Tag_Slices'Last = 11, "Tag_Slices'Last = 11" ); + + Check_Formal_Association_Check: + begin + C641001_0.Check_String_10( Slicable, 1, 10 ); -- catch length fault + Report.Failed("Exception not raised at Check_Formal_Association_Check"); + exception + when Constraint_Error => + null; -- expected case + when others => + Report.Failed("Wrong exception at Check_Formal_Association_Check"); + end Check_Formal_Association_Check; + + -- check for constrained actual, unconstrained formal + C641001_0.Check_Out_Tagged_Data( Tag_Slices(5) ); + TCTouch.Assert( Tag_Slices(5).Data_Item = "!****", + "formal out returned bad result" ); + + -- additional checks for out mode formal parameters, dynamic subtypes + + Check_Out_Sliding( II(1),II(5), II(6),II(10) ); + + Check_Out_Sliding( 21,25, 6,10 ); + + Check_Dynamic_Subtype_Cases(F_Lower => II(1), F_Upper => II(10), + A_Lower => II(1), A_Upper => II(10)); + + Check_Dynamic_Subtype_Cases(F_Lower => II(21), F_Upper => II(30), + A_Lower => II( 1), A_Upper => II(10)); + + Check_Dynamic_Subtype_Cases(F_Lower => II( 1), F_Upper => II(10), + A_Lower => II(21), A_Upper => II(30)); + + Report.Result; + +end C641001; |