busybox/testsuite/uniq.tests
<<
>>
Prefs
   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
  17testing "uniq (exit with error)" "uniq nonexistent 2> /dev/null || echo yes" \
  18        "yes\n" "" ""
  19testing "uniq (exit success)" "uniq /dev/null && echo yes" "yes\n" "" ""
  20
  21# Test various data sources and destinations
  22
  23testing "uniq (default to stdin)" "uniq" "one\ntwo\nthree\n" "" \
  24        "one\ntwo\ntwo\nthree\nthree\nthree\n"
  25testing "uniq - (specify stdin)" "uniq -" "one\ntwo\nthree\n" "" \
  26        "one\ntwo\ntwo\nthree\nthree\nthree\n"
  27testing "uniq input (specify file)" "uniq input" "one\ntwo\nthree\n" \
  28        "one\ntwo\ntwo\nthree\nthree\nthree\n" ""
  29
  30testing "uniq input outfile (two files)" "uniq input actual > /dev/null" \
  31        "one\ntwo\nthree\n" "one\ntwo\ntwo\nthree\nthree\nthree\n" ""
  32testing "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.
  35testing "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...
  50testing "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"
  53testing "uniq -d (dups only)" "uniq -d" "two\nthree\n" "" \
  54        "one\ntwo\ntwo\nthree\nthree\nthree\n"
  55
  56testing "uniq -f -s (skip fields and chars)" "uniq -f2 -s 3" \
  57"cc     dd      ee8
  58aa      bb      cc9
  59" "" \
  60"cc     dd      ee8
  61bb      cc      dd8
  62aa      bb      cc9
  63"
  64testing "uniq -w (compare max characters)" "uniq -w 2" \
  65"cc1
  66" "" \
  67"cc1
  68cc2
  69cc3
  70"
  71
  72testing "uniq -s -w (skip fields and compare max chars)" \
  73"uniq -s 2 -w 2" \
  74"aaccaa
  75" "" \
  76"aaccaa
  77aaccbb
  78bbccaa
  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.
  84testing "uniq -u and -d produce no output" "uniq -d -u" "" "" \
  85        "one\ntwo\ntwo\nthree\nthree\nthree\n"
  86
  87exit $FAILCOUNT
  88