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63 lines
2.9 KiB
Ada
63 lines
2.9 KiB
Ada
------------------------------------------------------------------------------
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-- M A G I C R U N T I M E --
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-- --
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-- Copyright (C) 2021, AdaCore --
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-- --
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-- This library is free software; you can redistribute it and/or modify it --
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-- under terms of the GNU General Public License as published by the Free --
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-- Software Foundation; either version 3, or (at your option) any later --
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-- version. This library is distributed in the hope that it will be useful, --
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-- but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHAN- --
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-- TABILITY or FITNESS FOR A PARTICULAR PURPOSE. --
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-- --
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-- As a special exception under Section 7 of GPL version 3, you are granted --
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-- additional permissions described in the GCC Runtime Library Exception, --
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-- version 3.1, as published by the Free Software Foundation. --
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-- --
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-- You should have received a copy of the GNU General Public License and --
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-- a copy of the GCC Runtime Library Exception along with this program; --
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-- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see --
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-- <http://www.gnu.org/licenses/>. --
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-- --
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------------------------------------------------------------------------------
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with VSS.Strings.Character_Iterators;
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with Test_Support;
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procedure Test_String_Delete is
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use type VSS.Strings.Character_Count;
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use type VSS.Strings.Virtual_String;
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S : VSS.Strings.Virtual_String := "Hello, world!";
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J0 : constant VSS.Strings.Character_Iterators.Character_Iterator :=
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S.First_Character;
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J1 : VSS.Strings.Character_Iterators.Character_Iterator :=
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S.First_Character;
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J2 : VSS.Strings.Character_Iterators.Character_Iterator :=
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S.Last_Character;
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J3 : constant VSS.Strings.Character_Iterators.Character_Iterator :=
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S.Last_Character;
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Dummy : Boolean;
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begin
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-- Test result of the delete operation and position of the iterators at
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-- first and last character of the string after operation.
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Dummy := J1.Forward;
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Dummy := J1.Forward;
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Dummy := J1.Forward;
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Dummy := J1.Forward;
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Dummy := J1.Forward;
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Dummy := J2.Backward;
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S.Delete (J1, J2);
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Test_Support.Assert (S = "Hello!");
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Test_Support.Assert (J0.Character_Index = 1);
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Test_Support.Assert (not J1.Is_Valid);
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Test_Support.Assert (not J2.Is_Valid);
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Test_Support.Assert (J3.Character_Index = 6);
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end Test_String_Delete;
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