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author | upstream source tree <ports@midipix.org> | 2015-03-15 20:14:05 -0400 |
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committer | upstream source tree <ports@midipix.org> | 2015-03-15 20:14:05 -0400 |
commit | 554fd8c5195424bdbcabf5de30fdc183aba391bd (patch) | |
tree | 976dc5ab7fddf506dadce60ae936f43f58787092 /gcc/testsuite/ada/acats/tests/cxa/cxaa013.a | |
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Diffstat (limited to 'gcc/testsuite/ada/acats/tests/cxa/cxaa013.a')
-rw-r--r-- | gcc/testsuite/ada/acats/tests/cxa/cxaa013.a | 167 |
1 files changed, 167 insertions, 0 deletions
diff --git a/gcc/testsuite/ada/acats/tests/cxa/cxaa013.a b/gcc/testsuite/ada/acats/tests/cxa/cxaa013.a new file mode 100644 index 000000000..be658ca13 --- /dev/null +++ b/gcc/testsuite/ada/acats/tests/cxa/cxaa013.a @@ -0,0 +1,167 @@ +-- CXAA013.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 exception Mode_Error is raised when an attempt is made +-- to skip a line or page using the predefined Skip_Line and Skip_Page +-- procedures on a text file with mode Append_File. +-- +-- TEST DESCRIPTION: +-- A scenario is created that demonstrates the potential for the +-- incorrect usage of predefined text processing subprograms, which +-- results in the raising of a Mode_Error exception. +-- A count is kept to ensure that each anticipated exception is in fact +-- raised and handled properly. +-- +-- APPLICABILITY CRITERIA: +-- This test is applicable only to implementations that support text +-- files. +-- +-- +-- CHANGE HISTORY: +-- 06 Dec 94 SAIC ACVC 2.0 +-- 28 Feb 97 PWB.CTA Allowed for non-support of some IO operations +--! + +with Ada.Text_IO; +with Report; + +procedure CXAA013 is + use Ada; + Text_File : Text_IO.File_Type; + Text_Filename : constant String := + Report.Legal_File_Name ( Nam => "CXAA013" ); + Incomplete : exception; + +begin + + Report.Test ("CXAA013", "Check that the exception Mode_Error is " & + "raised when an attempt is made to skip " & + "a line or page using the predefined " & + "Skip_Line and Skip_Page procedures on " & + "a text file with mode Append_File"); + + Test_for_Text_IO_Support: + begin + +-- An application creates a text file with mode Append_File. +-- Use_Error will be raised if Text_IO operations or external files are not +-- supported. + + Text_IO.Create (Text_File, Text_IO.Append_File, Text_Filename); + + exception + + when Text_IO.Use_Error | Text_IO.Name_Error => + Report.Not_Applicable + ( "Files not supported - Create as Append_File for Text_IO" ); + raise Incomplete; + + end Test_for_Text_IO_Support; + +-- The application writes some amount of data to the file. + + Text_IO.Put_Line (Text_File, "Data entered into the file"); + + Operational_Test_Block: + declare + TC_Number_Of_Forced_Mode_Errors : constant Natural := 2; + TC_Mode_Errors : Natural := 0; + begin + + Test_for_Skip_Line: + declare + TC_Spacing : constant Text_IO.Count := 3; + begin + +-- During the course of its processing, the application may attempt to +-- invoke the Skip_Line procedure on a file that is currently in Append_File +-- mode (instead of the anticipated In_File mode). This results in the +-- raising of Mode_Error. + + Text_IO.Skip_Line (Text_File, TC_Spacing); + Report.Failed ("Exception not raised by Skip_Line"); + +-- An exception handler present within the application handles the exception +-- and processing can continue. + + exception + when Text_IO.Mode_Error => + TC_Mode_Errors := TC_Mode_Errors + 1; + when others => + Report.Failed("Exception in Skip_Line processing"); + end Test_for_Skip_Line; + + Test_for_Skip_Page: + begin + +-- Again, during the course of its processing, the application incorrectly +-- assumes that the file mode is In_File, this time attempting to call the +-- Skip_Page procedure for the file (that is currently in Append_File mode). + + Text_IO.Skip_Page (Text_File); + Report.Failed ("Exception not raised by Skip_Page"); + +-- Once again, an exception handler present within the application handles +-- the exception and processing continues. + + exception + when Text_IO.Mode_Error => + TC_Mode_Errors := TC_Mode_Errors + 1; + when others => + Report.Failed("Exception in Skip_Page processing"); + end Test_for_Skip_Page; + + if (TC_Mode_Errors /= TC_Number_Of_Forced_Mode_Errors) then + Report.Failed ("Incorrect number of exceptions handled"); + end if; + + end Operational_Test_Block; + + Deletion: + begin + -- Delete the external file. + if Text_IO.Is_Open (Text_File) then + Text_IO.Delete (Text_File); + else + Text_IO.Open (Text_File, Text_IO.In_File, Text_Filename); + Text_IO.Delete (Text_File); + end if; + exception + when others => + Report.Failed + ( "Delete not properly implemented for Text_IO" ); + end Deletion; + + Report.Result; + +exception + when Incomplete => + Report.Result; + when others => + Report.Failed ( "Unexpected exception" ); + Report.Result; + +end CXAA013; |