testsuite/uniq.tests

   1 #!/bin/sh
   2
   3 # SUSv3 compliant uniq tests.
   4 # Copyright 2005 by Rob Landley <rob@landley.net>
   5 # Licensed under GPLv2, see file LICENSE in this source tree.
   6
   7 # AUDIT: Full SUSv3 coverage (except internationalization).
   8
   9 . ./testing.sh
  10
  11 # testing "test name" "options" "expected result" "file input" "stdin"
  12 #   file input will be file called "input"
  13 #   test can create a file "actual" instead of writing to stdout
  14
  15 # Test exit status
  16
  17 testing "uniq (exit with error)" "uniq nonexistent 2> /dev/null || echo yes" \
  18         "yes\n" "" ""
  19 testing "uniq (exit success)" "uniq /dev/null && echo yes" "yes\n" "" ""
  20
  21 # Test various data sources and destinations
  22
  23 testing "uniq (default to stdin)" "uniq" "one\ntwo\nthree\n" "" \
  24         "one\ntwo\ntwo\nthree\nthree\nthree\n"
  25 testing "uniq - (specify stdin)" "uniq -" "one\ntwo\nthree\n" "" \
  26         "one\ntwo\ntwo\nthree\nthree\nthree\n"
  27 testing "uniq input (specify file)" "uniq input" "one\ntwo\nthree\n" \
  28         "one\ntwo\ntwo\nthree\nthree\nthree\n" ""
  29
  30 testing "uniq input outfile (two files)" "uniq input actual > /dev/null" \
  31         "one\ntwo\nthree\n" "one\ntwo\ntwo\nthree\nthree\nthree\n" ""
  32 testing "uniq (stdin) outfile" "uniq - actual" \
  33         "one\ntwo\nthree\n" "" "one\ntwo\ntwo\nthree\nthree\nthree\n"
  34 # Note: SUSv3 doesn't seem to require support for "-" output, but we do anyway.
  35 testing "uniq input - (specify stdout)" "uniq input -" \
  36         "one\ntwo\nthree\n" "one\ntwo\ntwo\nthree\nthree\nthree\n" ""
  37
  38
  39 #-f skip fields
  40 #-s skip chars
  41 #-c occurrences
  42 #-d dups only
  43 #-u
  44 #-w max chars
  45
  46 # Test various command line options
  47
  48 # Leading whitespace is a minor technical violation of the spec,
  49 # but since gnu does it...
  50 testing "uniq -c (occurrence count)" "uniq -c | sed 's/^[ \t]*//'" \
  51         "1 one\n2 two\n3 three\n" "" \
  52         "one\ntwo\ntwo\nthree\nthree\nthree\n"
  53 testing "uniq -d (dups only)" "uniq -d" "two\nthree\n" "" \
  54         "one\ntwo\ntwo\nthree\nthree\nthree\n"
  55
  56 testing "uniq -f -s (skip fields and chars)" "uniq -f2 -s 3" \
  57 "cc     dd      ee8
  58 aa      bb      cc9
  59 " "" \
  60 "cc     dd      ee8
  61 bb      cc      dd8
  62 aa      bb      cc9
  63 "
  64 testing "uniq -w (compare max characters)" "uniq -w 2" \
  65 "cc1
  66 " "" \
  67 "cc1
  68 cc2
  69 cc3
  70 "
  71
  72 testing "uniq -s -w (skip fields and compare max chars)" \
  73 "uniq -s 2 -w 2" \
  74 "aaccaa
  75 " "" \
  76 "aaccaa
  77 aaccbb
  78 bbccaa
  79 "
  80
  81 # -d is "Suppress the writing fo lines that are not repeated in the input."
  82 # -u is "Suppress the writing of lines that are repeated in the input."
  83 # Therefore, together this means they should produce no output.
  84 testing "uniq -u and -d produce no output" "uniq -d -u" "" "" \
  85         "one\ntwo\ntwo\nthree\nthree\nthree\n"
  86
  87 exit $FAILCOUNT