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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/cxa/cxa4002.a
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+-- CXA4002.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 subprograms defined in package Ada.Strings.Fixed are
+-- available, and that they produce correct results. Specifically,
+-- check the subprograms Index, "*" (string constructor function),
+-- Count, Trim, and Replace_Slice.
+--
+-- TEST DESCRIPTION:
+-- This test demonstrates how certain Fixed string functions are used
+-- to eliminate specific substrings from portions of text. A procedure
+-- is defined that will take as parameters a source string along with
+-- a substring that is to be completely removed from the source string.
+-- The source string is parsed using the Index function, and any substring
+-- slices are replaced in the source string by a series of X's (based on
+-- the length of the substring.)
+-- Three lines of text are provided to this procedure, and the resulting
+-- substitutions are compared with expected results to validate the
+-- string processing.
+-- A global accumulator is updated with the number of occurrences of the
+-- substring in the source string.
+--
+--
+-- CHANGE HISTORY:
+-- 06 Dec 94 SAIC ACVC 2.0
+--
+--!
+
+with Ada.Strings;
+with Ada.Strings.Fixed;
+with Ada.Strings.Maps;
+with Report;
+
+procedure CXA4002 is
+
+begin
+
+ Report.Test ("CXA4002", "Check that the subprograms defined in package " &
+ "Ada.Strings.Fixed are available, and that " &
+ "they produce correct results");
+
+ Test_Block:
+ declare
+
+ TC_Total : Natural := 0;
+ Number_Of_Lines : constant := 3;
+
+ type Restricted_Words_Array_Type is array (1..10) of String (1..10);
+
+ Restricted_Words : Restricted_Words_Array_Type :=
+ (" platoon", " marines ", " Marines ",
+ "north ", "south ", " east",
+ " beach ", " airport", "airfield ",
+ " road ");
+
+ subtype Line_Of_Text_Type is String(1..25);
+ type Page_Of_Text_Type is array (1..Number_Of_Lines)
+ of Line_Of_Text_Type;
+
+ Text_Page : Page_Of_Text_Type := ("The platoon of Marines ",
+ "moved south on the south ",
+ "road to the airfield. ");
+
+ TC_Revised_Line_1 : constant String := "The XXXXXXX of XXXXXXX ";
+ TC_Revised_Line_2 : constant String := "moved XXXXX on the XXXXX ";
+ TC_Revised_Line_3 : constant String := "XXXX to the XXXXXXXX. ";
+
+ ---
+
+ procedure Censor (Source_String : in out String;
+ Pattern_String : in String) is
+
+ -- Create a replacement string that is the same length as the
+ -- pattern string being removed.
+ Replacement : constant String := -- "*"
+ Ada.Strings.Fixed."*"(Pattern_String'Length, 'X');
+
+ Going : Ada.Strings.Direction := Ada.Strings.Forward;
+ Map : constant Ada.Strings.Maps.Character_Mapping :=
+ Ada.Strings.Maps.Identity;
+ Start_Pos,
+ Index : Natural := Source_String'First;
+
+
+ begin -- Censor
+
+ -- Accumulate count of total replacement operations.
+
+ TC_Total := TC_Total + -- Count
+ Ada.Strings.Fixed.Count (Source => Source_String,
+ Pattern => Pattern_String,
+ Mapping => Map);
+ loop
+
+ Index := Ada.Strings.Fixed.Index -- Index
+ (Source_String(Start_Pos..Source_String'Last),
+ Pattern_String,
+ Going,
+ Map);
+
+ exit when Index = 0; -- No matches, exit loop.
+
+ -- if a match was found, modify the substring.
+ Ada.Strings.Fixed.Replace_Slice -- Replace_Slice
+ (Source_String,
+ Index,
+ Index + Pattern_String'Length - 1,
+ Replacement);
+ Start_Pos := Index + Pattern_String'Length;
+
+ end loop;
+
+ end Censor;
+
+
+ begin
+
+ -- Invoke Censor subprogram to cleanse text.
+ -- Loop through each line of text, and check for the presence of each
+ -- restricted word.
+ -- Use the Trim function to eliminate leading or trailing blanks from
+ -- the restricted word parameters.
+
+ for Line in 1..Number_Of_Lines loop
+ for Word in Restricted_Words'Range loop
+ Censor (Text_Page(Line),
+ Ada.Strings.Fixed.Trim(Restricted_Words(Word), -- Trim
+ Ada.Strings.Both));
+ end loop;
+ end loop;
+
+
+ -- Validate results.
+
+ if TC_Total /= 6 then
+ Report.Failed ("Incorrect number of substitutions performed");
+ end if;
+
+ if Text_Page(1) /= TC_Revised_Line_1 then
+ Report.Failed ("Incorrect substitutions on Line 1");
+ end if;
+
+ if Text_Page(2) /= TC_Revised_Line_2 then
+ Report.Failed ("Incorrect substitutions on Line 2");
+ end if;
+
+ if Text_Page(3) /= TC_Revised_Line_3 then
+ Report.Failed ("Incorrect substitutions on Line 3");
+ end if;
+
+
+ exception
+ when others => Report.Failed ("Exception raised in Test_Block");
+ end Test_Block;
+
+
+ Report.Result;
+
+end CXA4002;