tests/escape-test.sh

   1 #!/bin/bash
   2
   3 # Test ANSI escape sequences.
   4
   5 # Copyright (C) 2006 Stefan Weil
   6
   7  # This program is free software; you can redistribute it and/or modify
   8  # it under the terms of the GNU General Public License as published by
   9  # the Free Software Foundation; either version 2 of the License, or
  10  # (at your option) any later version.
  11
  12 # Usage: bash escape-test.sh $LINES $COLUMNS
  13 # (LINES, COLUMNS must contain reasonable values)
  14
  15 COLUMNS=$2
  16 LINES=$1
  17
  18 fill_screen() {
  19   xline=""
  20   for (( i = 0; i < $COLUMNS; i = i + 1 )); do
  21     xline=${xline}x
  22   done
  23
  24   echo -ne "\e[H"
  25   for (( i = 1; i <= $LINES; i = i + 1 )); do
  26     echo -ne "\e[$i;1H$xline"
  27   done
  28 }
  29
  30 test_title() {
  31   echo -ne "\e[HTest: $1 (press enter to continue) "
  32 }
  33
  34 prepare_next_test() {
  35   read -p ""
  36   fill_screen
  37   test_title "$1"
  38 }
  39
  40 fill_screen
  41 test_title "screen filled with x"
  42
  43 prepare_next_test "cursor line 1"
  44 echo -ne "\e[1;${COLUMNS}H*"
  45 sleep 5
  46 prepare_next_test "cursor line $LINES"
  47 echo -ne "\e[${LINES};${COLUMNS}H*"
  48 sleep 5
  49
  50 prepare_next_test "cursor position"
  51 echo -ne "\e[3;1Htext at row 3 column 1"
  52 echo -ne "\e[4;6Htext at row 4 column 6"
  53
  54 prepare_next_test "text styles and colors"
  55 echo -ne "\e[3;1Htext styles: "
  56 echo -ne "\e[1mbold\e[m "
  57 echo -ne "\e[2mfaint\e[m "
  58 echo -ne "\e[3mitalic\e[m "
  59 echo -ne "\e[4munderline\e[m "
  60 echo -ne "\e[5mblink\e[m "
  61 echo -ne "\e[6mrapid blink\e[m "
  62 echo -ne "\e[7mreverse\e[m "
  63 echo -ne "\e[4;1Hforeground:  "
  64 echo -ne "\e[30mblack\e[m "
  65 echo -ne "\e[31mred\e[m "
  66 echo -ne "\e[32mgreen\e[m "
  67 echo -ne "\e[33myellow\e[m "
  68 echo -ne "\e[34mblue\e[m "
  69 echo -ne "\e[35mmagenta\e[m "
  70 echo -ne "\e[36mcyan\e[m "
  71 echo -ne "\e[37mwhite\e[m "
  72 echo -ne "\e[5;1Hbackground:  "
  73 echo -ne "\e[40mblack\e[m "
  74 echo -ne "\e[41mred\e[m "
  75 echo -ne "\e[42mgreen\e[m "
  76 echo -ne "\e[43myellow\e[m "
  77 echo -ne "\e[44mblue\e[m "
  78 echo -ne "\e[45mmagenta\e[m "
  79 echo -ne "\e[46mcyan\e[m "
  80 echo -ne "\e[47mwhite\e[m "
  81
  82 prepare_next_test "erase line"
  83 echo -ne "\e[6;10Herase to end of line\e[0K"
  84 echo -ne "\e[7;10Herase from beginning of line\e[7;9H\e[1K"
  85 echo -ne "\e[8;10H\e[2Kerase entire line"
  86
  87 prepare_next_test "erase screen"
  88 echo -ne "\e[6;10Herase to end of screen\e[0J"
  89
  90 prepare_next_test "erase screen"
  91 echo -ne "\e[6;10Herase from beginning of screen\e[6;9H\e[1J"
  92
  93 prepare_next_test "erase screen"
  94 echo -ne "\e[6;10H\e[2Jerase entire screen"
  95
  96 prepare_next_test "save / restore cursor position"
  97 echo -ne "\e[6;10H\e[s               after save cursor\e[urestore cursor "
  98
  99 prepare_next_test "finished"
 100 echo -ne "\e[1;1H\e[2J"
 101
 102 # eof