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1 149 jeremybenn
-- CA13002.A
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--
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--                             Grant of Unlimited Rights
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--
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--     Under contracts F33600-87-D-0337, F33600-84-D-0280, MDA903-79-C-0687,
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--     F08630-91-C-0015, and DCA100-97-D-0025, the U.S. Government obtained
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--     unlimited rights in the software and documentation contained herein.
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--     Unlimited rights are defined in DFAR 252.227-7013(a)(19).  By making
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--     this public release, the Government intends to confer upon all
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--     recipients unlimited rights  equal to those held by the Government.
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--     These rights include rights to use, duplicate, release or disclose the
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--     released technical data and computer software in whole or in part, in
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--     any manner and for any purpose whatsoever, and to have or permit others
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--     to do so.
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--
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--                                    DISCLAIMER
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--
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--     ALL MATERIALS OR INFORMATION HEREIN RELEASED, MADE AVAILABLE OR
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--     DISCLOSED ARE AS IS.  THE GOVERNMENT MAKES NO EXPRESS OR IMPLIED
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--     WARRANTY AS TO ANY MATTER WHATSOEVER, INCLUDING THE CONDITIONS OF THE
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--     SOFTWARE, DOCUMENTATION OR OTHER INFORMATION RELEASED, MADE AVAILABLE
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--     OR DISCLOSED, OR THE OWNERSHIP, MERCHANTABILITY, OR FITNESS FOR A
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--     PARTICULAR PURPOSE OF SAID MATERIAL.
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--*
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--
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-- OBJECTIVE:
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--      Check that two library child units and/or subunits may have the same
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--      simple names if they have distinct expanded names.
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--
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-- TEST DESCRIPTION:
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--      Declare a package that provides some primitive functionality (minimal
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--      terminal driver operations in this case).  Add child packages to
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--      expand the functionality for different but related contexts (different
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--      terminal kinds).  Add child packages, or subunits, to the children to
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--      provide the same high level operation for each of the different
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--      contexts (terminals).  Since the operations are the same, at the leaf
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--      level they are likely to have the same names.
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--
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--      The main program "with"s the child packages.  Check that the
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--      child units and subunits perform as expected.
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--
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--
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-- CHANGE HISTORY:
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--      06 Dec 94   SAIC    ACVC 2.0
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--
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--!
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-- Public parent.
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package CA13002_0 is                     -- Terminal_Driver.
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   type TC_Name is (First_Child, Second_Child, Third_Child, Fourth_Child);
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   type TC_Call_From is (First_Grandchild, Second_Grandchild, First_Subunit,
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                           Second_Subunit);
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   type TC_Calls_Arr is array (TC_Name, TC_Call_From) of boolean;
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   TC_Calls : TC_Calls_Arr := (others => (others => false));
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   -- In real application, Send_Control_Sequence sends keystrokes from
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   -- the terminal, i.e., space, escape, etc.
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   procedure Send_Control_Sequence (Row : in TC_Name;
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                                    Col : in TC_Call_From);
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end CA13002_0;
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     --==================================================================--
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-- First child.
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package CA13002_0.CA13002_1 is           -- Terminal_Driver.VT100
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   -- Move cursor up, down, left, or right.
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   procedure Move_Cursor (Col : in TC_Call_From);
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end CA13002_0.CA13002_1;
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     --==================================================================--
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-- First grandchild.
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procedure CA13002_0.CA13002_1.CA13002_5; -- Terminal_Driver.VT100.Cursor_Up
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     --==================================================================--
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-- Second child.
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package CA13002_0.CA13002_2 is           -- Terminal_Driver.IBM3270
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   procedure Move_Cursor (Col : in TC_Call_From);
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end CA13002_0.CA13002_2;
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     --==================================================================--
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-- Second grandchild.
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procedure CA13002_0.CA13002_2.CA13002_5; -- Terminal_Driver.IBM3270.Cursor_Up
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     --==================================================================--
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-- Third child.
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package CA13002_0.CA13002_3 is           -- Terminal_Driver.DOS_ANSI
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   procedure Move_Cursor (Col : in TC_Call_From);
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   procedure CA13002_5;                  -- Terminal_Driver.DOS_ANSI.Cursor_Up
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                                         -- implementation will be as a
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                                         -- separate subunit.
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end CA13002_0.CA13002_3;
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     --==================================================================--
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-- Fourth child.
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package CA13002_0.CA13002_4 is           -- Terminal_Driver.WYSE
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   procedure Move_Cursor (Col : in TC_Call_From);
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   procedure CA13002_5;                  -- Terminal_Driver.WYSE.Cursor_Up
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                                         -- implementation will be as a
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                                         -- separate subunit.
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end CA13002_0.CA13002_4;
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     --==================================================================--
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-- Terminal_Driver.
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package body CA13002_0 is
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   procedure Send_Control_Sequence (Row : in TC_Name;
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                                    Col : in TC_Call_From) is
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   begin
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      -- Reads a key and takes action.
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      TC_Calls (Row, Col) := true;
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   end Send_Control_Sequence;
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end CA13002_0;
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     --==================================================================--
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-- Terminal_Driver.VT100.
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package body CA13002_0.CA13002_1 is
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   procedure Move_Cursor (Col : in TC_Call_From) is
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   begin
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      Send_Control_Sequence (First_Child, Col);
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   end Move_Cursor;
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end CA13002_0.CA13002_1;
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     --==================================================================--
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-- Terminal_Driver.VT100.Cursor_Up.
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procedure CA13002_0.CA13002_1.CA13002_5 is
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begin
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   Move_Cursor (First_Grandchild);        -- from Terminal_Driver.VT100.
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end CA13002_0.CA13002_1.CA13002_5;
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     --==================================================================--
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-- Terminal_Driver.IBM3270.
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package body CA13002_0.CA13002_2 is
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   procedure Move_Cursor (Col : in TC_Call_From) is
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   begin
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      Send_Control_Sequence (Second_Child, Col);
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   end Move_Cursor;
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end CA13002_0.CA13002_2;
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     --==================================================================--
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-- Terminal_Driver.IBM3270.Cursor_Up.
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procedure CA13002_0.CA13002_2.CA13002_5 is
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begin
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   Move_Cursor (Second_Grandchild);       -- from Terminal_Driver.IBM3270.
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end CA13002_0.CA13002_2.CA13002_5;
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     --==================================================================--
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-- Terminal_Driver.DOS_ANSI.
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package body CA13002_0.CA13002_3 is
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   procedure Move_Cursor (Col : in TC_Call_From) is
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   begin
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      Send_Control_Sequence (Third_Child, Col);
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   end Move_Cursor;
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   procedure CA13002_5 is separate;
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end CA13002_0.CA13002_3;
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     --==================================================================--
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-- Terminal_Driver.DOS_ANSI.Cursor_Up.
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separate (CA13002_0.CA13002_3)
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procedure CA13002_5 is
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begin
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   Move_Cursor (First_Subunit);           -- from Terminal_Driver.DOS_ANSI.
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end CA13002_5;
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     --==================================================================--
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-- Terminal_Driver.WYSE.
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package body CA13002_0.CA13002_4 is
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   procedure Move_Cursor (Col : in TC_Call_From) is
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   begin
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      Send_Control_Sequence (Fourth_Child, Col);
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   end Move_Cursor;
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   procedure CA13002_5 is separate;
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end CA13002_0.CA13002_4;
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     --==================================================================--
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-- Terminal_Driver.WYSE.Cursor_Up.
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separate (CA13002_0.CA13002_4)
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procedure CA13002_5 is
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begin
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   Move_Cursor (Second_Subunit);          -- from Terminal_Driver.WYSE.
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end CA13002_5;
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     --==================================================================--
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with CA13002_0.CA13002_1.CA13002_5;     -- Terminal_Driver.VT100.Cursor_Up,
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                                        -- implicitly with parent, CA13002_0.
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with CA13002_0.CA13002_2.CA13002_5;     -- Terminal_Driver.IBM3270.Cursor_Up.
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with CA13002_0.CA13002_3;               -- Terminal_Driver.DOS_ANSI.
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with CA13002_0.CA13002_4;               -- Terminal_Driver.WYSE.
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with Report;
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use  CA13002_0;                         -- All primitive subprograms directly
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                                        -- visible.
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procedure CA13002 is
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   Expected_Calls : constant CA13002_0.TC_Calls_Arr
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                  := ((true,  false, false, false),
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                      (false, true , false, false),
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                      (false, false, true , false),
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                      (false, false, false, true ));
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begin
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   Report.Test ("CA13002", "Check that two library units and/or subunits " &
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                "may have the same simple names if they have distinct " &
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                "expanded names");
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   -- Note that the leaves all have the same name.
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   -- Call the first grandchild.
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   CA13002_0.CA13002_1.CA13002_5;
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   -- Call the second grandchild.
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   CA13002_0.CA13002_2.CA13002_5;
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   -- Call the first subunit.
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   CA13002_0.CA13002_3.CA13002_5;
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   -- Call the second subunit.
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   CA13002_0.CA13002_4.CA13002_5;
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   if TC_Calls /= Expected_Calls then
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      Report.Failed ("Wrong result");
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   end if;
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   Report.Result;
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end CA13002;

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