tests/expand.test

   1 #!/bin/bash
   2
   3 # POSIX 2008 compliant expand tests.
   4 # Copyright 2012 by Jonathan Clairembault <jonathan@clairembault.fr>
   5
   6 [ -f testing.sh ] && . testing.sh
   7
   8 # some basic tests
   9
  10 testing "expand default" "expand input" "        foo     bar\n" "\tfoo\tbar\n" ""
  11 testing "expand default stdin" "expand"  "        foo     bar\n" "" "\tfoo\tbar\n"
  12 testing "expand single" "expand -t 2 input" "  foo bar\n" "\tfoo\tbar\n" ""
  13 testing "expand tablist" "expand -t 5,10,12 input" "     foo  bar foo\n" "\tfoo\tbar\tfoo\n" ""
  14 testing "expand backspace" "expand input" "foobarfoo\b\b bar\n" "foobarfoo\b\b\tbar\n" ""
  15
  16 # advanced tests
  17
  18 POW=15
  19 TABSTOP=1
  20 BIGTAB=" "
  21 for i in $(seq $POW); do
  22     BIGTAB=$BIGTAB$BIGTAB
  23     TABSTOP=$[$TABSTOP*2]
  24 done
  25 testing "expand long tab single" "expand -t $TABSTOP input" "${BIGTAB}foo\n" "\tfoo\n" ""
  26 testing "expand long tab tablist" "expand -t $TABSTOP,$[TABSTOP+5] input" \
  27         "${BIGTAB}foo  bar\n" "\tfoo\tbar\n" ""
  28
  29 testing "expand multiline single" "expand -t 4 input" "foo \n    bar\n" "foo\t\n\tbar\n" ""
  30 testing "expand multiline tablist" "expand -t 4,8 input" \
  31         "foo     bar\n    bar foo\n" "foo\t\tbar\n\tbar\tfoo\n" ""
  32 POW=15
  33 BIGLINE="foo "
  34 for i in $(seq $POW); do
  35     BIGLINE=$BIGLINE$BIGLINE
  36 done
  37 if [ $POW -gt 0 ]; then
  38     EXPANDLINE="${BIGLINE}        foo\n"
  39 else
  40     EXPANDLINE="${BIGLINE}    foo\n"
  41 fi
  42 BIGLINE="${BIGLINE}\tfoo\n"
  43 testing "expand long line single" "expand input" \
  44         "${EXPANDLINE}" "$BIGLINE" ""