| (* Copyright (C) 2009 Free Software Foundation, Inc. *) |
| (* This file is part of GNU Modula-2. |
| |
| GNU Modula-2 is free software; you can redistribute it and/or modify it under |
| the terms of the GNU General Public License as published by the Free |
| Software Foundation; either version 2, or (at your option) any later |
| version. |
| |
| GNU Modula-2 is distributed in the hope that it will be useful, but WITHOUT ANY |
| WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| for more details. |
| |
| You should have received a copy of the GNU General Public License along |
| with gm2; see the file COPYING. If not, write to the Free Software |
| Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. *) |
| |
| MODULE insert ; |
| |
| IMPORT Strings ; |
| IMPORT STextIO ; |
| FROM libc IMPORT exit, printf ; |
| |
| PROCEDURE Assert (b: BOOLEAN; l: CARDINAL) ; |
| BEGIN |
| IF NOT b |
| THEN |
| printf("\nassert failed at line %d\n", l); |
| exit(1) |
| END |
| END Assert ; |
| |
| |
| VAR |
| a: ARRAY [0..15] OF CHAR; |
| BEGIN |
| STextIO.WriteString("this is a test"); STextIO.WriteLn ; |
| STextIO.WriteString("will become"); STextIO.WriteLn ; |
| STextIO.WriteString("this not is a te"); STextIO.WriteLn ; |
| STextIO.WriteString(' '); STextIO.WriteLn ; |
| Strings.Assign("this is a test", a); |
| Strings.Insert("not ", 5, a); |
| STextIO.WriteString(a); STextIO.WriteLn ; |
| Assert(Strings.Equal(a, "this not is a te"), __LINE__) ; |
| Strings.Assign("this not is a te", a); |
| Strings.Insert("not ", 5, a); |
| Assert(Strings.Equal(a, "this not not is "), __LINE__) ; |
| Strings.Assign("this not is a te", a) ; |
| Strings.Insert("1234", 14, a) ; |
| STextIO.WriteLn; STextIO.WriteString(a); STextIO.WriteLn ; |
| Assert(Strings.Equal(a, "this not is a 12"), __LINE__) ; |
| Strings.Assign("this not is a te", a); |
| Strings.Insert("1234", 0, a) ; |
| STextIO.WriteLn; STextIO.WriteString("1234this not is "); STextIO.WriteLn ; |
| STextIO.WriteLn; STextIO.WriteString(a); STextIO.WriteLn ; |
| Assert(Strings.Equal(a, "1234this not is "), __LINE__) ; |
| Strings.Assign("0123456789012345", a); |
| Strings.Insert("abcdefghijklmnopqrstuvwxyz", 0, a) ; |
| STextIO.WriteLn; STextIO.WriteString("abcdefghijklmnop"); STextIO.WriteLn ; |
| STextIO.WriteLn; STextIO.WriteString(a); STextIO.WriteLn ; |
| Assert(Strings.Equal(a, "abcdefghijklmnop"), __LINE__) ; |
| |
| END insert. |