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authorupstream source tree <ports@midipix.org>2015-03-15 20:14:05 -0400
committerupstream source tree <ports@midipix.org>2015-03-15 20:14:05 -0400
commit554fd8c5195424bdbcabf5de30fdc183aba391bd (patch)
tree976dc5ab7fddf506dadce60ae936f43f58787092 /gcc/testsuite/ada/acats/tests/cb/cb41002.a
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+-- CB41002.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 the message string input parameter in a call to the
+-- Raise_Exception procedure is associated with the raised exception
+-- occurrence, and that the message string can be obtained using the
+-- Exception_Message function with the associated Exception_Occurrence
+-- object. Check that Function Exception_Information is available
+-- to provide implementation-defined information about the exception
+-- occurrence.
+--
+-- TEST DESCRIPTION:
+-- This test checks that a message associated with a raised exception
+-- is propagated with the exception, and can be retrieved using the
+-- Exception_Message function. The exception will be raised using the
+-- 'Identity attribute as a parameter to the Raise_Exception procedure,
+-- and an associated message string will be provided. The exception
+-- will be handled, and the message associated with the occurrence will
+-- be compared to the original source message (non-default).
+--
+-- The test also includes a simulated logging procedure
+-- (Check_Exception_Information) that checks that Exception_Information
+-- can be called.
+--
+--
+-- CHANGE HISTORY:
+-- 06 Dec 94 SAIC ACVC 2.0
+-- 22 Jun 00 RLB Added a check at Exception_Information can be
+-- called.
+--
+--!
+
+with Report;
+with Ada.Exceptions;
+
+procedure CB41002 is
+begin
+
+ Report.Test ("CB41002", "Check that the message string input parameter " &
+ "in a call to the Raise_Exception procedure is " &
+ "associated with the raised exception " &
+ "occurrence, and that the message string can " &
+ "be obtained using the Exception_Message " &
+ "function with the associated " &
+ "Exception_Occurrence object. Also check that " &
+ "the Exception_Information function can be called");
+
+ Test_Block:
+ declare
+
+ Number_Of_Exceptions : constant := 3;
+
+ User_Exception_1,
+ User_Exception_2,
+ User_Exception_3 : exception;
+
+ type String_Ptr is access String;
+
+ User_Messages : constant array (1..Number_Of_Exceptions)
+ of String_Ptr :=
+ (new String'("Msg"),
+ new String'("This message will override the default " &
+ "message provided by the implementation"),
+ new String'("The message can be captured by procedure" & -- 200 chars
+ " Exception_Message. It is designed to b" &
+ "e exactly 200 characters in length, sinc" &
+ "e there is a permission concerning the " &
+ "truncation of a message over 200 chars. "));
+
+ procedure Check_Exception_Information (
+ Occur : in Ada.Exceptions.Exception_Occurrence) is
+ -- Simulates an error logging routine.
+ Info : constant String :=
+ Ada.Exceptions.Exception_Information (Occur);
+ function Is_Substring_of (Target, Search : in String) return Boolean is
+ -- Returns True if Search is a substring of Target, and False
+ -- otherwise.
+ begin
+ for I in Report.Ident_Int(Target'First) ..
+ Target'Last - Search'Length + 1 loop
+ if Target(I .. I+Search'Length-1) = Search then
+ return True;
+ end if;
+ end loop;
+ return False;
+ end Is_Substring_of;
+ begin
+ -- We can't display Info, as it often contains line breaks
+ -- (confusing Report), and might look much like the failure of a test
+ -- with an unhandled exception (thus confusing grading tools).
+ --
+ -- We don't particular care if the implementation advice is followed,
+ -- but we make these checks to insure that a compiler cannot optimize
+ -- away Info or the rest of this routine.
+ if not Is_Substring_of (Info,
+ Ada.Exceptions.Exception_Name (Occur)) then
+ Report.Comment ("Exception_Information does not contain " &
+ "Exception_Name - see 11.4.1(19)");
+ elsif not Is_Substring_of (Info,
+ Ada.Exceptions.Exception_Message (Occur)) then
+ Report.Comment ("Exception_Information does not contain " &
+ "Exception_Message - see 11.4.1(19)");
+ end if;
+ end Check_Exception_Information;
+
+ begin
+
+ for i in 1..Number_Of_Exceptions loop
+ begin
+
+ -- Raise a user-defined exception with a specific message string.
+ case i is
+ when 1 =>
+ Ada.Exceptions.Raise_Exception(User_Exception_1'Identity,
+ User_Messages(i).all);
+ when 2 =>
+ Ada.Exceptions.Raise_Exception(User_Exception_2'Identity,
+ User_Messages(i).all);
+ when 3 =>
+ Ada.Exceptions.Raise_Exception(User_Exception_3'Identity,
+ User_Messages(i).all);
+ when others =>
+ Report.Failed("Incorrect result from Case statement");
+ end case;
+
+ Report.Failed
+ ("Exception not raised by procedure Exception_With_Message " &
+ "for User_Exception #" & Integer'Image(i));
+
+ exception
+ when Excptn : others =>
+
+ begin
+ -- The message that is associated with the raising of each
+ -- exception is captured here using the Exception_Message
+ -- function.
+
+ if User_Messages(i).all /=
+ Ada.Exceptions.Exception_Message(Excptn)
+ then
+ Report.Failed
+ ("Message captured from exception is not the " &
+ "message provided when the exception was raised, " &
+ "User_Exception #" & Integer'Image(i));
+ end if;
+
+ Check_Exception_Information(Excptn);
+ end;
+ end;
+ end loop;
+
+
+
+ -- Verify that the exception specific message is carried across
+ -- various boundaries:
+
+ begin
+
+ begin
+ Ada.Exceptions.Raise_Exception(User_Exception_1'Identity,
+ User_Messages(1).all);
+ Report.Failed("User_Exception_1 not raised");
+ end;
+ Report.Failed("User_Exception_1 not propagated");
+ exception
+ when Excptn : User_Exception_1 =>
+
+ if User_Messages(1).all /=
+ Ada.Exceptions.Exception_Message(Excptn)
+ then
+ Report.Failed("User_Message_1 not found");
+ end if;
+ Check_Exception_Information(Excptn);
+
+ when others => Report.Failed("Unexpected exception handled - 1");
+ end;
+
+
+
+ begin
+
+ begin
+ Ada.Exceptions.Raise_Exception(User_Exception_2'Identity,
+ User_Messages(2).all);
+ Report.Failed("User_Exception_2 not raised");
+ exception
+ when Exc : User_Exception_2 =>
+
+ -- The exception is reraised here; message should propagate
+ -- with exception occurrence.
+
+ Ada.Exceptions.Reraise_Occurrence(Exc);
+ when others => Report.Failed("User_Exception_2 not handled");
+ end;
+ Report.Failed("User_Exception_2 not propagated");
+ exception
+ when Excptn : User_Exception_2 =>
+
+ if User_Messages(2).all /=
+ Ada.Exceptions.Exception_Message(Excptn)
+ then
+ Report.Failed("User_Message_2 not found");
+ end if;
+ Check_Exception_Information(Excptn);
+
+ when others => Report.Failed("Unexpected exception handled - 2");
+ end;
+
+
+ -- Check exception and message propagation across task boundaries.
+
+ declare
+
+ task Raise_An_Exception is -- single task
+ entry Raise_It;
+ end Raise_An_Exception;
+
+ task body Raise_An_Exception is
+ begin
+ accept Raise_It do
+ Ada.Exceptions.Raise_Exception(User_Exception_3'Identity,
+ User_Messages(3).all);
+ end Raise_It;
+ Report.Failed("User_Exception_3 not raised");
+ exception
+ when Excptn : User_Exception_3 =>
+ if User_Messages(3).all /=
+ Ada.Exceptions.Exception_Message(Excptn)
+ then
+ Report.Failed
+ ("User_Message_3 not returned inside task body");
+ end if;
+ Check_Exception_Information(Excptn);
+ when others =>
+ Report.Failed("Incorrect exception raised in task body");
+ end Raise_An_Exception;
+
+ begin
+ Raise_An_Exception.Raise_It; -- Exception will be propagated here.
+ Report.Failed("User_Exception_3 not propagated to caller");
+ exception
+ when Excptn : User_Exception_3 =>
+ if User_Messages(3).all /=
+ Ada.Exceptions.Exception_Message(Excptn)
+ then
+ Report.Failed("User_Message_3 not returned to caller of task");
+ end if;
+ Check_Exception_Information(Excptn);
+ when others =>
+ Report.Failed("Incorrect exception raised by task");
+ end;
+
+
+ exception
+ when others => Report.Failed ("Exception raised in Test_Block");
+ end Test_Block;
+
+ Report.Result;
+
+end CB41002;