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-- CXA4005.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 Delete, Head, Insert, Overwrite, Replace_Slice,
-- Tail, Trim, and "*".
--
-- TEST DESCRIPTION:
-- This test, when combined with tests CXA4002-4 will provide coverage
-- of the functionality found in Ada.Strings.Fixed.
-- This test contains many small, specific test cases, situations that
-- although common in user environments, are often difficult to generate
-- in large numbers in a application-based test. They represent
-- individual usage paradigms in-the-small.
--
--
-- CHANGE HISTORY:
-- 06 Dec 94 SAIC ACVC 2.0
-- 11 Apr 95 SAIC Corrected acceptance conditions of certain
-- subtests.
-- 06 Nov 95 SAIC Fixed bugs for ACVC 2.0.1.
-- 22 Feb 01 PHL Check that the lower bound of the result is 1.
-- 13 Mar 01 RLB Fixed a couple of ACATS style violations;
-- removed pointless checks of procedures.
-- Added checks of other functions. These changes
-- were made to test Defect Report 8652/0049, as
-- reflected in Technical Corrigendum 1.
--
--!
with Report;
with Ada.Strings;
with Ada.Strings.Fixed;
with Ada.Strings.Maps;
procedure CXA4005 is
type TC_Name_Holder is access String;
Name : TC_Name_Holder;
function TC_Check (S : String) return String is
begin
if S'First /= 1 then
Report.Failed ("Lower bound of result of function " & Name.all &
" is" & Integer'Image (S'First));
end if;
return S;
end TC_Check;
procedure TC_Set_Name (N : String) is
begin
Name := new String'(N);
end TC_Set_Name;
begin
Report.Test("CXA4005", "Check that the subprograms defined in " &
"package Ada.Strings.Fixed are available, " &
"and that they produce correct results");
Test_Block:
declare
package ASF renames Ada.Strings.Fixed;
package Maps renames Ada.Strings.Maps;
Result_String,
Delete_String,
Insert_String,
Trim_String,
Overwrite_String : String(1..10) := (others => Ada.Strings.Space);
Source_String1 : String(1..5) := "abcde"; -- odd length string
Source_String2 : String(1..6) := "abcdef"; -- even length string
Source_String3 : String(1..12) := "abcdefghijkl";
Source_String4 : String(1..12) := "abcdefghij "; -- last two ch pad
Source_String5 : String(1..12) := " cdefghijkl"; -- first two ch pad
Source_String6 : String(1..12) := "abcdefabcdef";
Location : Natural := 0;
Slice_Start : Positive;
Slice_End,
Slice_Count : Natural := 0;
CD_Set : Maps.Character_Set := Maps.To_Set("cd");
X_Set : Maps.Character_Set := Maps.To_Set('x');
ABCD_Set : Maps.Character_Set := Maps.To_Set("abcd");
A_to_F_Set : Maps.Character_Set := Maps.To_Set("abcdef");
CD_to_XY_Map : Maps.Character_Mapping :=
Maps.To_Mapping(From => "cd", To => "xy");
begin
-- Procedure Replace_Slice
-- The functionality of this procedure
-- is similar to procedure Move, and
-- is tested here in the same manner, evaluated
-- with various combinations of parameters.
-- Index_Error propagation when Low > Source'Last + 1
begin
ASF.Replace_Slice(Result_String,
Result_String'Last + 2, -- should raise exception
Result_String'Last,
"xxxxxxx");
Report.Failed("Index_Error not raised by Replace_Slice - 1");
exception
when Ada.Strings.Index_Error => null; -- OK, expected exception.
when others =>
Report.Failed("Incorrect exception from Replace_Slice - 1");
end;
-- Index_Error propagation when High < Source'First - 1
begin
ASF.Replace_Slice(Result_String(5..10),
5,
3, -- should raise exception since < 'First - 1.
"xxxxxxx");
Report.Failed("Index_Error not raised by Replace_Slice - 2");
exception
when Ada.Strings.Index_Error => null; -- OK, expected exception.
when others =>
Report.Failed("Incorrect exception from Replace_Slice - 2");
end;
-- Justify = Left (default case)
Result_String := "XXXXXXXXXX";
ASF.Replace_Slice(Source => Result_String,
Low => 1,
High => 10,
By => Source_String1); -- "abcde"
if Result_String /= "abcde " then
Report.Failed("Incorrect result from Replace_Slice - Justify = Left");
end if;
-- Justify = Right
ASF.Replace_Slice(Source => Result_String,
Low => 1,
High => Result_String'Last,
By => Source_String2, -- "abcdef"
Drop => Ada.Strings.Error,
Justify => Ada.Strings.Right);
if Result_String /= " abcdef" then
Report.Failed("Incorrect result from Replace_Slice - Justify=Right");
end if;
-- Justify = Center (two cases, odd and even pad lengths)
ASF.Replace_Slice(Result_String,
1,
Result_String'Last,
Source_String1, -- "abcde"
Ada.Strings.Error,
Ada.Strings.Center,
'x'); -- non-default padding.
if Result_String /= "xxabcdexxx" then -- Unequal padding added right
Report.Failed("Incorrect result, Replace_Slice - Justify=Center - 1");
end if;
ASF.Replace_Slice(Result_String,
1,
Result_String'Last,
Source_String2, -- "abcdef"
Ada.Strings.Error,
Ada.Strings.Center);
if Result_String /= " abcdef " then -- Equal padding added on L/R.
Report.Failed("Incorrect result from Replace_Slice with " &
"Justify = Center - 2");
end if;
-- When the source string is longer than the target string, several
-- cases can be examined, with the results depending on the value of
-- the Drop parameter.
-- Drop = Left
ASF.Replace_Slice(Result_String,
1,
Result_String'Last,
Source_String3, -- "abcdefghijkl"
Drop => Ada.Strings.Left);
if Result_String /= "cdefghijkl" then
Report.Failed("Incorrect result from Replace_Slice - Drop=Left");
end if;
-- Drop = Right
ASF.Replace_Slice(Result_String,
1,
Result_String'Last,
Source_String3, -- "abcdefghijkl"
Ada.Strings.Right);
if Result_String /= "abcdefghij" then
Report.Failed("Incorrect result, Replace_Slice with Drop=Right");
end if;
-- Drop = Error
-- The effect in this case depends on the value of the justify
-- parameter, and on whether any characters in Source other than
-- Pad would fail to be copied.
-- Drop = Error, Justify = Left, right overflow characters are pad.
ASF.Replace_Slice(Result_String,
1,
Result_String'Last,
Source_String4, -- "abcdefghij "
Drop => Ada.Strings.Error,
Justify => Ada.Strings.Left);
if not(Result_String = "abcdefghij") then -- leftmost 10 characters
Report.Failed("Incorrect result, Replace_Slice - Drop = Error - 1");
end if;
-- Drop = Error, Justify = Right, left overflow characters are pad.
ASF.Replace_Slice(Source => Result_String,
Low => 1,
High => Result_String'Last,
By => Source_String5, -- " cdefghijkl"
Drop => Ada.Strings.Error,
Justify => Ada.Strings.Right);
if Result_String /= "cdefghijkl" then -- rightmost 10 characters
Report.Failed("Incorrect result, Replace_Slice - Drop = Error - 2");
end if;
-- In other cases of Drop=Error, Length_Error is propagated, such as:
begin
ASF.Replace_Slice(Source => Result_String,
Low => 1,
High => Result_String'Last,
By => Source_String3, -- "abcdefghijkl"
Drop => Ada.Strings.Error);
Report.Failed("Length_Error not raised by Replace_Slice - 1");
exception
when Ada.Strings.Length_Error => null; -- OK
when others =>
Report.Failed("Incorrect exception from Replace_Slice - 3");
end;
-- Function Replace_Slice
TC_Set_Name ("Replace_Slice");
if TC_Check (ASF.Replace_Slice("abcde", 3, 3, "x"))
/= "abxde" or -- High = Low
TC_Check (ASF.Replace_Slice("abc", 2, 3, "xyz")) /= "axyz" or
TC_Check (ASF.Replace_Slice("abcd", 4, 1, "xy"))
/= "abcxyd" or -- High < Low
TC_Check (ASF.Replace_Slice("abc", 2, 3, "x")) /= "ax" or
TC_Check (ASF.Replace_Slice("a", 1, 1, "z")) /= "z"
then
Report.Failed("Incorrect result from Function Replace_Slice - 1");
end if;
if TC_Check (ASF.Replace_Slice("abcde", 5, 5, "z"))
/= "abcdz" or -- By length 1
TC_Check (ASF.Replace_Slice("abc", 1, 3, "xyz"))
/= "xyz" or -- High > Low
TC_Check (ASF.Replace_Slice("abc", 3, 2, "xy"))
/= "abxyc" or -- insert
TC_Check (ASF.Replace_Slice("a", 1, 1, "xyz")) /= "xyz"
then
Report.Failed("Incorrect result from Function Replace_Slice - 2");
end if;
-- Function Insert.
TC_Set_Name ("Insert");
declare
New_String : constant String :=
TC_Check (
ASF.Insert(Source => Source_String1(2..5), -- "bcde"
Before => 3,
New_Item => Source_String2)); -- "abcdef"
begin
if New_String /= "babcdefcde" then
Report.Failed("Incorrect result from Function Insert - 1");
end if;
end;
if TC_Check (ASF.Insert("a", 1, "z")) /= "za" or
TC_Check (ASF.Insert("abc", 3, "")) /= "abc" or
TC_Check (ASF.Insert("abc", 1, "z")) /= "zabc"
then
Report.Failed("Incorrect result from Function Insert - 2");
end if;
begin
if TC_Check (ASF.Insert(Source => Source_String1(2..5), -- "bcde"
Before => Report.Ident_Int(7),
New_Item => Source_String2)) -- "abcdef"
/= "babcdefcde" then
Report.Failed("Index_Error not raised by Insert - 3A");
else
Report.Failed("Index_Error not raised by Insert - 3B");
end if;
exception
when Ada.Strings.Index_Error => null; -- OK, expected exception.
when others =>
Report.Failed("Incorrect exception from Insert - 3");
end;
-- Procedure Insert
-- Drop = Right
ASF.Insert(Source => Insert_String,
Before => 6,
New_Item => Source_String2, -- "abcdef"
Drop => Ada.Strings.Right);
if Insert_String /= " abcde" then -- last char of New_Item dropped.
Report.Failed("Incorrect result from Insert with Drop = Right");
end if;
-- Drop = Left
ASF.Insert(Source => Insert_String, -- 10 char string
Before => 2, -- 9 chars, 2..10 available
New_Item => Source_String3, -- 12 characters long.
Drop => Ada.Strings.Left); -- truncate from Left.
if Insert_String /= "l abcde" then -- 10 chars, leading blank.
Report.Failed("Incorrect result from Insert with Drop=Left");
end if;
-- Drop = Error
begin
ASF.Insert(Source => Result_String, -- 10 chars
Before => Result_String'Last,
New_Item => "abcdefghijk",
Drop => Ada.Strings.Error);
Report.Failed("Exception not raised by Procedure Insert");
exception
when Ada.Strings.Length_Error => null; -- OK, expected exception
when others =>
Report.Failed("Incorrect exception raised by Procedure Insert");
end;
-- Function Overwrite
TC_Set_Name ("Overwrite");
Overwrite_String := TC_Check (
ASF.Overwrite(Result_String, -- 10 chars
1, -- starting at pos=1
Source_String3(1..10)));
if Overwrite_String /= Source_String3(1..10) then
Report.Failed("Incorrect result from Function Overwrite - 1");
end if;
if TC_Check (ASF.Overwrite("abcdef", 4, "xyz")) /= "abcxyz" or
TC_Check (ASF.Overwrite("a", 1, "xyz"))
/= "xyz" or -- chars appended
TC_Check (ASF.Overwrite("abc", 3, " "))
/= "ab " or -- blanks appended
TC_Check (ASF.Overwrite("abcde", 1, "z" )) /= "zbcde"
then
Report.Failed("Incorrect result from Function Overwrite - 2");
end if;
-- Procedure Overwrite, with truncation.
ASF.Overwrite(Source => Overwrite_String, -- 10 characters.
Position => 1,
New_Item => Source_String3, -- 12 characters.
Drop => Ada.Strings.Left);
if Overwrite_String /= "cdefghijkl" then
Report.Failed("Incorrect result from Overwrite with Drop=Left");
end if;
-- The default drop value is Right, used here.
ASF.Overwrite(Source => Overwrite_String, -- 10 characters.
Position => 1,
New_Item => Source_String3); -- 12 characters.
if Overwrite_String /= "abcdefghij" then
Report.Failed("Incorrect result from Overwrite with Drop=Right");
end if;
-- Drop = Error
begin
ASF.Overwrite(Source => Overwrite_String, -- 10 characters.
Position => 1,
New_Item => Source_String3, -- 12 characters.
Drop => Ada.Strings.Error);
Report.Failed("Exception not raised by Procedure Overwrite");
exception
when Ada.Strings.Length_Error => null; -- OK, expected exception.
when others =>
Report.Failed
("Incorrect exception raised by Procedure Overwrite");
end;
Overwrite_String := "ababababab";
ASF.Overwrite(Overwrite_String, Overwrite_String'Last, "z");
ASF.Overwrite(Overwrite_String, Overwrite_String'First,"z");
ASF.Overwrite(Overwrite_String, 5, "zz");
if Overwrite_String /= "zbabzzabaz" then
Report.Failed("Incorrect result from Procedure Overwrite");
end if;
-- Function Delete
TC_Set_Name ("Delete");
declare
New_String1 : constant String := -- This returns a 4 char string.
TC_Check (ASF.Delete(Source => Source_String3,
From => 3,
Through => 10));
New_String2 : constant String := -- This returns Source.
TC_Check (ASF.Delete(Source_String3, 10, 3));
begin
if New_String1 /= "abkl" or
New_String2 /= Source_String3
then
Report.Failed("Incorrect result from Function Delete - 1");
end if;
end;
if TC_Check (ASF.Delete("a", 1, 1))
/= "" or -- Source length = 1
TC_Check (ASF.Delete("abc", 1, 2))
/= "c" or -- From = Source'First
TC_Check (ASF.Delete("abc", 3, 3))
/= "ab" or -- From = Source'Last
TC_Check (ASF.Delete("abc", 3, 1))
/= "abc" -- From > Through
then
Report.Failed("Incorrect result from Function Delete - 2");
end if;
-- Procedure Delete
-- Justify = Left
Delete_String := Source_String3(1..10); -- Initialize to "abcdefghij"
ASF.Delete(Source => Delete_String,
From => 6,
Through => Delete_String'Last,
Justify => Ada.Strings.Left,
Pad => 'x'); -- pad with char 'x'
if Delete_String /= "abcdexxxxx" then
Report.Failed("Incorrect result from Delete - Justify = Left");
end if;
-- Justify = Right
ASF.Delete(Source => Delete_String, -- Remove x"s from end and
From => 6, -- shift right.
Through => Delete_String'Last,
Justify => Ada.Strings.Right,
Pad => 'x'); -- pad with char 'x' on left.
if Delete_String /= "xxxxxabcde" then
Report.Failed("Incorrect result from Delete - Justify = Right");
end if;
-- Justify = Center
ASF.Delete(Source => Delete_String,
From => 1,
Through => 5,
Justify => Ada.Strings.Center,
Pad => 'z');
if Delete_String /= "zzabcdezzz" then -- extra pad char on right side.
Report.Failed("Incorrect result from Delete - Justify = Center");
end if;
-- Function Trim
-- Use non-identity character sets to perform the trim operation.
TC_Set_Name ("Trim");
Trim_String := "cdabcdefcd";
-- Remove the "cd" from each end of the string. This will not effect
-- the "cd" slice at 5..6.
declare
New_String : constant String :=
TC_Check (ASF.Trim(Source => Trim_String,
Left => CD_Set, Right => CD_Set));
begin
if New_String /= Source_String2 then -- string "abcdef"
Report.Failed("Incorrect result from Trim with character sets");
end if;
end;
if TC_Check (ASF.Trim("abcdef", Maps.Null_Set, Maps.Null_Set))
/= "abcdef" then
Report.Failed("Incorrect result from Trim with Null sets");
end if;
if TC_Check (ASF.Trim("cdxx", CD_Set, X_Set)) /= "" then
Report.Failed("Incorrect result from Trim, string removal");
end if;
-- Procedure Trim
-- Justify = Right
ASF.Trim(Source => Trim_String,
Left => CD_Set,
Right => CD_Set,
Justify => Ada.Strings.Right,
Pad => 'x');
if Trim_String /= "xxxxabcdef" then
Report.Failed("Incorrect result from Trim with Justify = Right");
end if;
-- Justify = Left
ASF.Trim(Source => Trim_String,
Left => X_Set,
Right => Maps.Null_Set,
Justify => Ada.Strings.Left,
Pad => Ada.Strings.Space);
if Trim_String /= "abcdef " then -- Padded with 4 blanks on right.
Report.Failed("Incorrect result from Trim with Justify = Left");
end if;
-- Justify = Center
ASF.Trim(Source => Trim_String,
Left => ABCD_Set,
Right => CD_Set,
Justify => Ada.Strings.Center,
Pad => 'x');
if Trim_String /= "xxef xx" then -- Padded with 2 pad chars on L/R
Report.Failed("Incorrect result from Trim with Justify = Center");
end if;
-- Function Head, demonstrating use of padding.
TC_Set_Name ("Head");
-- Use the characters of Source_String1 ("abcde") and pad the
-- last five characters of Result_String with 'x' characters.
Result_String := TC_CHeck (ASF.Head(Source_String1, 10, 'x'));
if Result_String /= "abcdexxxxx" then
Report.Failed("Incorrect result from Function Head with padding");
end if;
if TC_Check (ASF.Head(" ab ", 2)) /= " " or
TC_Check (ASF.Head("a", 6, 'A')) /= "aAAAAA" or
TC_Check (ASF.Head("abcdefgh", 3, 'x')) /= "abc" or
TC_Check (ASF.Head(ASF.Head("abc ", 7, 'x'), 10, 'X'))
/= "abc xxXXX"
then
Report.Failed("Incorrect result from Function Head");
end if;
-- Function Tail, demonstrating use of padding.
TC_Set_Name ("Tail");
-- Use the characters of Source_String1 ("abcde") and pad the
-- first five characters of Result_String with 'x' characters.
Result_String := TC_Check (ASF.Tail(Source_String1, 10, 'x'));
if Result_String /= "xxxxxabcde" then
Report.Failed("Incorrect result from Function Tail with padding");
end if;
if TC_Check (ASF.Tail("abcde ", 5))
/= "cde " or -- blanks, back
TC_Check (ASF.Tail(" abc ", 8, ' '))
/= " abc " or -- blanks, front/back
TC_Check (ASF.Tail("", 5, 'Z'))
/= "ZZZZZ" or -- pad characters only
TC_Check (ASF.Tail("abc", 0))
/= "" or -- null result
TC_Check (ASF.Tail("abcdefgh", 3))
/= "fgh" or
TC_Check (ASF.Tail(ASF.Tail(" abc ", 6, 'x'),
10,
'X')) /= "XXXXx abc "
then
Report.Failed("Incorrect result from Function Tail");
end if;
-- Function "*" - with (Natural, String) parameters
TC_Set_Name ("""*""");
if TC_Check (ASF."*"(3, Source_String1)) /= "abcdeabcdeabcde" or
TC_Check (ASF."*"(2, Source_String2)) /= Source_String6 or
TC_Check (ASF."*"(4, Source_String1(1..2))) /= "abababab" or
TC_Check (ASF."*"(0, Source_String1)) /= ""
then
Report.Failed("Incorrect result from Function ""*"" with strings");
end if;
exception
when others => Report.Failed("Exception raised in Test_Block");
end Test_Block;
Report.Result;
end CXA4005;