1 | #!/bin/sh
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2 |
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3 | # grep tests.
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4 | # Copyright 2005 by Rob Landley <rob@landley.net>
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5 | # Licensed under GPL v2, see file LICENSE for details.
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6 |
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7 | # AUDIT:
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8 |
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9 | . testing.sh
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10 |
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11 | # testing "test name" "options" "expected result" "file input" "stdin"
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12 | # file input will be file called "input"
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13 | # test can create a file "actual" instead of writing to stdout
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14 |
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15 | # Test exit status
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16 |
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17 | testing "grep (exit with error)" "grep nonexistent 2> /dev/null ; echo \$?" \
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18 | "1\n" "" ""
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19 | testing "grep (exit success)" "grep grep $0 > /dev/null 2>&1 ; echo \$?" "0\n" \
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20 | "" ""
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21 | # Test various data sources and destinations
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22 |
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23 | testing "grep (default to stdin)" "grep two" "two\n" "" \
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24 | "one\ntwo\nthree\nthree\nthree\n"
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25 | testing "grep - (specify stdin)" "grep two -" "two\n" "" \
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26 | "one\ntwo\nthree\nthree\nthree\n"
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27 | testing "grep input (specify file)" "grep two input" "two\n" \
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28 | "one\ntwo\nthree\nthree\nthree\n" ""
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29 |
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30 | testing "grep (no newline at EOL)" "grep bug" "bug" "bug" ""
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31 |
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32 | # Note that this assumes actual is empty.
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33 | testing "grep input actual (two files)" "grep two input actual 2> /dev/null" \
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34 | "input:two\n" "one\ntwo\nthree\nthree\nthree\n" ""
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35 |
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36 | testing "grep - infile (specify stdin and file)" "grep two - input" \
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37 | "(standard input):two\ninput:two\n" "one\ntwo\nthree\n" \
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38 | "one\ntwo\ntoo\nthree\nthree\n"
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39 |
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40 | # Check if we see the correct return value if both stdin and non-existing file
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41 | # are given.
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42 | testing "grep - nofile (specify stdin and nonexisting file)" \
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43 | "grep two - nonexistent 2> /dev/null ; echo \$?" \
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44 | "(standard input):two\n(standard input):two\n2\n" \
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45 | "" "one\ntwo\ntwo\nthree\nthree\nthree\n"
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46 | testing "grep -q - nofile (specify stdin and nonexisting file, no match)" \
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47 | "grep -q nomatch - nonexistent 2> /dev/null ; echo \$?" \
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48 | "2\n" "" "one\ntwo\ntwo\nthree\nthree\nthree\n"
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49 | # SUSv3: If the -q option is specified, the exit status shall be zero
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50 | # if an input line is selected, even if an error was detected.
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51 | testing "grep -q - nofile (specify stdin and nonexisting file, match)" \
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52 | "grep -q two - nonexistent ; echo \$?" \
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53 | "0\n" "" "one\ntwo\ntwo\nthree\nthree\nthree\n"
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54 |
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55 | # Test various command line options
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56 | # -s no error messages
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57 | testing "grep -s nofile (nonexisting file, no match)" \
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58 | "grep -s nomatch nonexistent ; echo \$?" "2\n" "" ""
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59 | testing "grep -s nofile - (stdin and nonexisting file, match)" \
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60 | "grep -s domatch nonexistent - ; echo \$?" \
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61 | "(standard input):domatch\n2\n" "" "nomatch\ndomatch\nend\n"
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62 |
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63 | # This doesn't match GNU behaviour (Binary file input matches)
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64 | # acts like GNU grep -a
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65 | testing "grep handles binary files" "grep foo input" "foo\n" "\0foo\n\n" ""
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66 | # This doesn't match GNU behaviour (Binary file (standard input) matches)
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67 | # acts like GNU grep -a
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68 | testing "grep handles binary stdin" "grep foo" "foo\n" "" "\0foo\n\n"
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69 |
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70 | testing "grep matches NUL" "grep . input > /dev/null 2>&1 ; echo \$?" \
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71 | "0\n" "\0\n" ""
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72 |
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73 | # -e regex
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74 | testing "grep handles multiple regexps" "grep -e one -e two input ; echo \$?" \
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75 | "one\ntwo\n0\n" "one\ntwo\n" ""
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76 |
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77 | optional FEATURE_GREP_EGREP_ALIAS
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78 | testing "grep -E supports extended regexps" "grep -E fo+" "foo\n" "" \
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79 | "b\ar\nfoo\nbaz"
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80 | testing "grep is also egrep" "egrep foo" "foo\n" "" "foo\nbar\n"
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81 | testing "egrep is not case insensitive" \
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82 | "egrep foo ; [ \$? -ne 0 ] && echo yes" "yes\n" "" "FOO\n"
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83 |
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84 | exit $FAILCOUNT
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