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Diffstat (limited to 'gcc/testsuite/ada/acats/tests/c4/c460008.a')
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diff --git a/gcc/testsuite/ada/acats/tests/c4/c460008.a b/gcc/testsuite/ada/acats/tests/c4/c460008.a new file mode 100644 index 000000000..29d48ecd4 --- /dev/null +++ b/gcc/testsuite/ada/acats/tests/c4/c460008.a @@ -0,0 +1,286 @@ +-- C460008.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 conversion to a modular type raises Constraint_Error +-- when the operand value is outside the base range of the modular type. +-- +-- TEST DESCRIPTION: +-- Test conversion from integer, float, fixed and decimal types to +-- modular types. Test conversion to mod 255, mod 256 and mod 258 +-- to test the boundaries of 8 bit (+/-) unsigned numbers. +-- Test operand values that are negative, the value of the mod, +-- and greater than the value of the mod. +-- Declare a generic test procedure and instantiate it for each of the +-- unsigned types for each operand type. +-- +-- +-- CHANGE HISTORY: +-- 04 OCT 95 SAIC Initial version +-- 15 MAY 96 SAIC Revised for 2.1 +-- 24 NOV 98 RLB Moved decimal cases into new test, C460011, to +-- prevent this test from being inapplicable to +-- implementations not supporting decimal types. +-- +--! + +------------------------------------------------------------------- C460008 + +with Report; + +procedure C460008 is + + Shy_By_One : constant := 2**8-1; + Heavy_By_Two : constant := 2**8+2; + + type Unsigned_Edge_8 is mod Shy_By_One; + type Unsigned_8_Bit is mod 2**8; + type Unsigned_Over_8 is mod Heavy_By_Two; + + NPC : constant String := " not properly converted"; + + procedure Assert( Truth: Boolean; Message: String ) is + begin + if not Truth then + Report.Failed(Message); + end if; + end Assert; + +-- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- + + generic + type Source is range <>; + type Target is mod <>; + procedure Integer_Conversion_Check( For_The_Value : Source; + Message : String ); + + procedure Integer_Conversion_Check( For_The_Value : Source; + Message : String ) is + + Item : Target; + + begin + Item := Target( For_The_Value ); + Report.Failed("Int expected Constraint_Error " & Message); + -- the call to Comment is to make the otherwise dead assignment to + -- Item live. + -- To avoid invoking C_E on a call to 'Image in Report.Failed that + -- could cause a false pass + Report.Comment("Value of" & Target'Image(Item) & NPC); + exception + when Constraint_Error => null; -- expected case + when others => Report.Failed("Int Raised wrong exception " & Message); + end Integer_Conversion_Check; + + procedure Int_To_Short is + new Integer_Conversion_Check( Integer, Unsigned_Edge_8 ); + + procedure Int_To_Eight is + new Integer_Conversion_Check( Integer, Unsigned_8_Bit ); + + procedure Int_To_Wide is + new Integer_Conversion_Check( Integer, Unsigned_Over_8 ); + +-- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- + + generic + type Source is digits <>; + type Target is mod <>; + procedure Float_Conversion_Check( For_The_Value : Source; + Message : String ); + + procedure Float_Conversion_Check( For_The_Value : Source; + Message : String ) is + + Item : Target; + + begin + Item := Target( For_The_Value ); + Report.Failed("Flt expected Constraint_Error " & Message); + Report.Comment("Value of" & Target'Image(Item) & NPC); + exception + when Constraint_Error => null; -- expected case + when others => Report.Failed("Flt raised wrong exception " & Message); + end Float_Conversion_Check; + + procedure Float_To_Short is + new Float_Conversion_Check( Float, Unsigned_Edge_8 ); + + procedure Float_To_Eight is + new Float_Conversion_Check( Float, Unsigned_8_Bit ); + + procedure Float_To_Wide is + new Float_Conversion_Check( Float, Unsigned_Over_8 ); + + function Identity( Root_Beer: Float ) return Float is + -- a knockoff of Report.Ident_Int for type Float + Nothing : constant Float := 0.0; + begin + if Report.Ident_Bool( Root_Beer = Nothing ) then + return Nothing; + else + return Root_Beer; + end if; + end Identity; + +-- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- + + generic + type Source is delta <>; + type Target is mod <>; + procedure Fixed_Conversion_Check( For_The_Value : Source; + Message : String ); + + procedure Fixed_Conversion_Check( For_The_Value : Source; + Message : String ) is + + Item : Target; + + begin + Item := Target( For_The_Value ); + Report.Failed("Fix expected Constraint_Error " & Message); + Report.Comment("Value of" & Target'Image(Item) & NPC); + exception + when Constraint_Error => null; -- expected case + when others => Report.Failed("Fix raised wrong exception " & Message); + end Fixed_Conversion_Check; + + procedure Fixed_To_Short is + new Fixed_Conversion_Check( Duration, Unsigned_Edge_8 ); + + procedure Fixed_To_Eight is + new Fixed_Conversion_Check( Duration, Unsigned_8_Bit ); + + procedure Fixed_To_Wide is + new Fixed_Conversion_Check( Duration, Unsigned_Over_8 ); + + function Identity( A_Stitch: Duration ) return Duration is + Threadbare : constant Duration := 0.0; + begin + if Report.Ident_Bool( A_Stitch = Threadbare ) then + return Threadbare; + else + return A_Stitch; + end if; + end Identity; + +-- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- + +begin -- Main test procedure. + + Report.Test ("C460008", "Check that conversion to " & + "a modular type raises Constraint_Error when " & + "the operand value is outside the base range " & + "of the modular type" ); + + + -- Integer Error cases + + Int_To_Short( Report.Ident_Int( -1 ), "I2S Dynamic, Negative" ); + Int_To_Short( Report.Ident_Int( Shy_By_One ), "I2S Dynamic, At_Mod" ); + Int_To_Short( Report.Ident_Int( Heavy_By_Two+1 ), "I2S Dynamic, Over_Mod" ); + + Int_To_Eight( -Shy_By_One, "I28 Static, Negative" ); + Int_To_Eight( 2**8, "I28 Static, At_Mod" ); + Int_To_Eight( Heavy_By_Two+1, "I28 Static, Over_Mod" ); + + Int_To_Wide ( Report.Ident_Int( -(Heavy_By_Two*2) ), + "I2W Dynamic, Negative" ); + Int_To_Wide ( Heavy_By_Two, "I2W Static, At_Mod" ); + Int_To_Wide ( Report.Ident_Int( Heavy_By_Two*2 ), "I2W Dynamic, Over_Mod" ); + + -- Float Error cases + + Float_To_Short( -13.31, "F2S Static, Negative" ); + Float_To_Short( Identity ( Float(Shy_By_One)), "F2S Dynamic, At_Mod" ); + Float_To_Short( 6378.388, "F2S Static, Over_Mod" ); + + Float_To_Eight( Identity( -99.3574 ), "F28 Dynamic, Negative" ); + Float_To_Eight( 2.0**8, "F28 Static, At_Mod" ); + Float_To_Eight( 2.0**9, "F28 Static, Over_Mod" ); + + Float_To_Wide ( -0.54953_93129_81644, "FTW Static, Negative" ); + Float_To_Wide ( Identity( 2.0**8 +2.0 ), "FTW Dynamic, At_Mod" ); + Float_To_Wide ( Identity( 2.0**8 +2.5001 ), "FTW Dynamic, Over_Mod" ); + Float_To_Wide ( Identity( Float'Last ), "FTW Dynamic, Over_Mod" ); + + -- Fixed Error cases + + Fixed_To_Short( Identity( -5.00 ), "D2S Dynamic, Negative" ); + Fixed_To_Short( Shy_By_One * 1.0, "D2S Static, At_Mod" ); + Fixed_To_Short( 1995.9, "D2S Static, Over_Mod" ); + + Fixed_To_Eight( -0.5, "D28 Static, Negative" ); + Fixed_To_Eight( 2.0*128, "D28 Static, At_Mod" ); + Fixed_To_Eight( Identity( 2001.2 ), "D28 Dynamic, Over_Mod" ); + + Fixed_To_Wide ( Duration'First, "D2W Static, Negative" ); + Fixed_To_Wide ( Identity( 2*128.0 +2.0 ), "D2W Dynamic, At_Mod" ); + Fixed_To_Wide ( Duration'Last, "D2W Static, Over_Mod" ); + + -- having made it this far, the rest is downhill... + -- check a few, correct, edge cases, and we're done + + Eye_Dew: declare + A_Float : Float := 0.0; + Your_Time : Duration := 0.0; + Number : Integer := 0; + + Little : Unsigned_Edge_8; + Moderate : Unsigned_8_Bit; + Big : Unsigned_Over_8; + + begin + Little := Unsigned_Edge_8(A_Float); + Assert( Little = 0, "Float => Little, 0"); + + + Moderate := Unsigned_8_Bit (Your_Time); + Assert( Moderate = 0, "Your_Time => Moderate, 0"); + + Big := Unsigned_Over_8 (Number); + Assert( Big = 0, "Number => Big, 0"); + + A_Float := 2.0**8-2.0; + Your_Time := 2.0*128-2.0; + Number := 2**8; + + Little := Unsigned_Edge_8(A_Float); + Assert( Little = 254, "Float => Little, 254"); + + Little := Unsigned_Edge_8(Your_Time); + Assert( Little = 254, "Your_Time => Little, 254"); + + Big := Unsigned_Over_8 (A_Float + 2.0); + Assert( Big = 256, "Sense => Big, 256"); + + Big := Unsigned_Over_8 (Number); + Assert( Big = 256, "Number => Big, 256"); + + end Eye_Dew; + + Report.Result; + +end C460008; |