toybox/tests/cmp.test
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   1#!/bin/bash
   2
   3[ -f testing.sh ] && . testing.sh
   4
   5# TODO: coreutils cmp uses stdin if only one file is given
   6SKIP_HOST=1 testing "not enough arguments [fail]" 'cmp input 2>/dev/null || echo $?' "2\n" "foo" ""
   7
   8testing "missing file1 [fail]" 'cmp file1 input 2>/dev/null || echo $?' "2\n" "foo" ""
   9
  10#mkdir dir
  11#testing "directory [fail]" "cmp dir dir 2>/dev/null || echo yes" \
  12        #"yes\n" "" ""
  13#rmdir dir
  14
  15echo "ab
  16c" > input2
  17
  18testing "identical files, stdout" "cmp input input2" "" "ab\nc\n" ""
  19testing "identical files, return code" "cmp input input2 && echo yes" "yes\n" "ab\nc\n" ""
  20
  21testing "EOF, stderr" "cmp input input2 2>&1" "cmp: EOF on input2\n" "ab\nc\nx" ""
  22testing "EOF, return code" "cmp input input2 2>/dev/null || echo yes" "yes\n" "ab\nc\nx" ""
  23# The gnu/dammit version fails this because posix says "char" and they don't.
  24testing "diff, stdout" "cmp input input2" "input input2 differ: char 4, line 2\n" "ab\nx\nx" ""
  25testing "diff, return code" "cmp input input2 > /dev/null || echo yes" "yes\n" "ab\nx\nx" ""
  26
  27testing "-s EOF, return code" "cmp -s input input2 2>&1 || echo yes"  "yes\n" "ab\nc\nx" ""
  28testing "-s diff, return code" "cmp -s input input2 2>&1 || echo yes" "yes\n" "ab\nx\nx" ""
  29
  30testing "-l EOF, stderr" "cmp -l input input2 2>&1" "cmp: EOF on input2\n" "ab\nc\nx" ""
  31testing "-l diff and EOF, stdout and stderr" "cmp -l input input2 2>&1 | sort" "4 170 143\ncmp: EOF on input2\n" "ab\nx\nx" ""
  32
  33testing "-s not exist" "cmp -s input doesnotexist 2>&1 || echo yes" "yes\n" "" ""
  34
  35rm input2
  36
  37testing "stdin and file" "cmp input -" "input - differ: char 4, line 2\n" "ab\nc\n" "ab\nx\n"
  38#testing "stdin and stdin" "cmp input -" "" "" "ab\nc\n"
  39
  40