File:  [gforth] / gforth / test / gforth.fs
Revision 1.13: download - view: text, annotated - select for diffs
Fri Feb 23 14:50:02 2007 UTC (12 years, 8 months ago) by anton
Branches: MAIN
CVS tags: HEAD
THROW bugfix
added tests for new TRY variants

    1: \ test some gforth extension words
    2: 
    3: \ Copyright (C) 2003,2004,2005,2006 Free Software Foundation, Inc.
    4: 
    5: \ This file is part of Gforth.
    6: 
    7: \ Gforth is free software; you can redistribute it and/or
    8: \ modify it under the terms of the GNU General Public License
    9: \ as published by the Free Software Foundation; either version 2
   10: \ of the License, or (at your option) any later version.
   11: 
   12: \ This program is distributed in the hope that it will be useful,
   13: \ but WITHOUT ANY WARRANTY; without even the implied warranty of
   14: \ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   15: \ GNU General Public License for more details.
   16: 
   17: \ You should have received a copy of the GNU General Public License
   18: \ along with this program; if not, write to the Free Software
   19: \ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA.
   20: 
   21: require ./tester.fs
   22: decimal
   23: 
   24: \ f>str-rdp (then f.rdp and f>buf-rdb should also be ok)
   25: 
   26: {  12.3456789e 7 3 1 f>str-rdp s"  12.346" str= -> true }
   27: {  12.3456789e 7 4 1 f>str-rdp s" 12.3457" str= -> true }
   28: { -12.3456789e 7 4 1 f>str-rdp s" -1.23E1" str= -> true }
   29: {      0.0996e 7 3 1 f>str-rdp s"   0.100" str= -> true }
   30: {      0.0996e 7 3 3 f>str-rdp s" 9.96E-2" str= -> true }
   31: {    999.9994e 7 3 1 f>str-rdp s" 999.999" str= -> true }
   32: {    999.9996e 7 3 1 f>str-rdp s" 1.000E3" str= -> true }
   33: {       -1e-20 5 2 1 f>str-rdp s" *****"   str= -> true }
   34: 
   35: \ 0x hex number conversion, or not
   36: 
   37: decimal
   38: { 0x10 -> 16 }
   39: { 0X10 -> 16 }
   40: 36 base !
   41: { 0x10 -> x10 }
   42: decimal
   43: { 'a' -> 97 }
   44: { 'A  -> 65 }
   45: { 1. '1 -> 1. 49 }
   46: 
   47: \ REPRESENT has no trailing 0s even for inf and nan
   48: 
   49: {  1e 0e f/ pad 16 represent drop 2drop pad 15 + c@ '0 = -> false }
   50: {  0e 0e f/ pad 16 represent drop 2drop pad 15 + c@ '0 = -> false }
   51: { -1e 0e f/ pad 16 represent drop 2drop pad 15 + c@ '0 = -> false }
   52: 
   53: \ TRY and friends
   54: 
   55: : 0<-throw ( n -- )
   56:     0< throw ;
   57: 
   58: : try-test1 ( n1 -- n2 )
   59:     try
   60:         dup 0<-throw
   61:         iferror
   62:             2drop 25
   63:         then
   64:         1+
   65:     endtry ;
   66: 
   67: { -5 try-test1 -> 26 }
   68: { 5  try-test1 ->  6 }
   69: 
   70: : try-test2 ( n1 -- n2 )
   71:     try
   72:         0
   73:     restore
   74:         drop 1+ dup 0<-throw
   75:     endtry ;
   76: 
   77: { -5 try-test2 -> 0 }
   78: {  5 try-test2 -> 6 }
   79: 
   80: : try-test3 ( n1 -- n2 )
   81:     try
   82:         dup 0<-throw
   83:     endtry-iferror
   84:         2drop 10
   85:     else
   86:         1+
   87:     then ;
   88: 
   89: { -5 try-test3 -> 10 }
   90: {  5 try-test3 ->  6 }

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