| 1 | ## oils_failures_allowed: 1
|
| 2 | ## compare_shells: dash bash mksh zsh
|
| 3 |
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| 4 | #### exec builtin
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| 5 | exec echo hi
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| 6 | ## stdout: hi
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| 7 |
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| 8 | #### exec builtin with redirects
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| 9 | exec 1>&2
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| 10 | echo 'to stderr'
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| 11 | ## stdout-json: ""
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| 12 | ## stderr: to stderr
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| 13 |
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| 14 | #### exec builtin with here doc
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| 15 | # This has in a separate file because both code and data can be read from
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| 16 | # stdin.
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| 17 | $SH $REPO_ROOT/spec/bin/builtins-exec-here-doc-helper.sh
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| 18 | ## STDOUT:
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| 19 | x=one
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| 20 | y=two
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| 21 | DONE
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| 22 | ## END
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| 23 |
|
| 24 | #### exec builtin accepts --
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| 25 | exec -- echo hi
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| 26 | ## STDOUT:
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| 27 | hi
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| 28 | ## END
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| 29 | ## BUG dash status: 127
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| 30 | ## BUG dash stdout-json: ""
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| 31 |
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| 32 | #### exec -- 2>&1
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| 33 | exec -- 3>&1
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| 34 | echo stdout 1>&3
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| 35 | ## STDOUT:
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| 36 | stdout
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| 37 | ## END
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| 38 | ## BUG dash status: 127
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| 39 | ## BUG dash stdout-json: ""
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| 40 | ## BUG mksh status: -11
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| 41 | ## BUG mksh stdout-json: ""
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| 42 |
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| 43 | #### Exit out of function
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| 44 | f() { exit 3; }
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| 45 | f
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| 46 | exit 4
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| 47 | ## status: 3
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| 48 |
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| 49 | #### Exit builtin with invalid arg
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| 50 | exit invalid
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| 51 | # Rationale: runtime errors are 1
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| 52 | ## status: 1
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| 53 | ## OK dash/bash status: 2
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| 54 | ## BUG zsh status: 0
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| 55 |
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| 56 | #### Exit builtin with too many args
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| 57 | # This is a parse error in OSH.
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| 58 | exit 7 8 9
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| 59 | echo status=$?
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| 60 | ## status: 2
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| 61 | ## stdout-json: ""
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| 62 | ## BUG bash/zsh status: 0
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| 63 | ## BUG bash/zsh stdout: status=1
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| 64 | ## BUG dash status: 7
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| 65 | ## BUG dash stdout-json: ""
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| 66 | ## OK mksh status: 1
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| 67 | ## OK mksh stdout-json: ""
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| 68 |
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| 69 | #### time with brace group argument
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| 70 |
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| 71 | err=_tmp/time-$(basename $SH).txt
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| 72 | {
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| 73 | time {
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| 74 | sleep 0.01
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| 75 | sleep 0.02
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| 76 | }
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| 77 | } 2> $err
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| 78 |
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| 79 | grep --only-matching user $err
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| 80 | echo result=$?
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| 81 |
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| 82 | # Regression: check fractional seconds
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| 83 | gawk '
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| 84 | BEGIN { ok = 0 }
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| 85 | match( $0, /\.([0-9]+)/, m) {
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| 86 | if (m[1] > 0) { # check fractional seconds
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| 87 | ok = 1
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| 88 | }
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| 89 | }
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| 90 | END { if (ok) { print "non-zero" } }
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| 91 | ' $err
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| 92 |
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| 93 | ## status: 0
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| 94 | ## STDOUT:
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| 95 | user
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| 96 | result=0
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| 97 | non-zero
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| 98 | ## END
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| 99 |
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| 100 | # time doesn't accept a block?
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| 101 | ## BUG zsh STDOUT:
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| 102 | result=1
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| 103 | ## END
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| 104 |
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| 105 | # dash doesn't have time keyword
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| 106 | ## N-I dash status: 2
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| 107 | ## N-I dash stdout-json: ""
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| 108 |
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| 109 |
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| 110 | #### get umask
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| 111 | umask | grep '[0-9]\+' # check for digits
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| 112 | ## status: 0
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| 113 |
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| 114 | #### set umask in octal
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| 115 | rm -f $TMP/umask-one $TMP/umask-two
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| 116 | umask 0002
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| 117 | echo one > $TMP/umask-one
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| 118 | umask 0022
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| 119 | echo two > $TMP/umask-two
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| 120 | stat -c '%a' $TMP/umask-one $TMP/umask-two
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| 121 | ## status: 0
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| 122 | ## stdout-json: "664\n644\n"
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| 123 | ## stderr-json: ""
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| 124 |
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| 125 | #### set umask symbolically
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| 126 | umask 0002 # begin in a known state for the test
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| 127 | rm -f $TMP/umask-one $TMP/umask-two
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| 128 | echo one > $TMP/umask-one
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| 129 | umask g-w,o-w
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| 130 | echo two > $TMP/umask-two
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| 131 | stat -c '%a' $TMP/umask-one $TMP/umask-two
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| 132 | ## status: 0
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| 133 | ## STDOUT:
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| 134 | 664
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| 135 | 644
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| 136 | ## END
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| 137 | ## stderr-json: ""
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| 138 |
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| 139 | #### ulimit with no flags is like -f
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| 140 |
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| 141 | ulimit > no-flags.txt
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| 142 | echo status=$?
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| 143 |
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| 144 | ulimit -f > f.txt
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| 145 | echo status=$?
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| 146 |
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| 147 | diff -u no-flags.txt f.txt
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| 148 | echo diff=$?
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| 149 |
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| 150 | # Print everything
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| 151 | # ulimit -a
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| 152 |
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| 153 | ## STDOUT:
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| 154 | status=0
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| 155 | status=0
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| 156 | diff=0
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| 157 | ## END
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| 158 |
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| 159 |
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| 160 | #### ulimit too many args
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| 161 |
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| 162 | ulimit 1 2
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| 163 | if test $? -ne 0; then
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| 164 | echo pass
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| 165 | else
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| 166 | echo fail
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| 167 | fi
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| 168 |
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| 169 | #ulimit -f
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| 170 |
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| 171 | ## STDOUT:
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| 172 | pass
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| 173 | ## END
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| 174 |
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| 175 | ## BUG bash/zsh STDOUT:
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| 176 | fail
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| 177 | ## END
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| 178 |
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| 179 |
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| 180 | #### ulimit negative flag
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| 181 |
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| 182 | ulimit -f
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| 183 |
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| 184 | # interpreted as a flag
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| 185 | ulimit -f -42
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| 186 | if test $? -ne 0; then
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| 187 | echo pass
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| 188 | else
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| 189 | echo fail
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| 190 | fi
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| 191 |
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| 192 | ## STDOUT:
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| 193 | unlimited
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| 194 | pass
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| 195 | ## END
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| 196 |
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| 197 | #### ulimit negative arg
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| 198 |
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| 199 | ulimit -f
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| 200 |
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| 201 | # an arg
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| 202 | ulimit -f -- -42
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| 203 | if test $? -ne 0; then
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| 204 | echo pass
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| 205 | else
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| 206 | echo fail
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| 207 | fi
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| 208 |
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| 209 | ## STDOUT:
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| 210 | unlimited
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| 211 | pass
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| 212 | ## END
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| 213 |
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| 214 | ## BUG mksh STDOUT:
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| 215 | unlimited
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| 216 | fail
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| 217 | ## END
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| 218 |
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| 219 | ## BUG bash STDOUT:
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| 220 | unlimited
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| 221 | unlimited
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| 222 | fail
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| 223 | ## END
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| 224 |
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| 225 | #### ulimit -a doesn't take arg
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| 226 | case $SH in bash) exit ;; esac
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| 227 |
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| 228 | ulimit -a 42
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| 229 | if test $? -ne 0; then
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| 230 | echo 'failure that was expected'
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| 231 | fi
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| 232 |
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| 233 | ## STDOUT:
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| 234 | failure that was expected
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| 235 | ## END
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| 236 | ## BUG bash STDOUT:
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| 237 | ## END
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| 238 |
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| 239 |
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| 240 | #### ulimit doesn't accept multiple flags - reduce confusion between shells
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| 241 |
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| 242 | # - bash, zsh, busybox ash accept multiple "commands", which requires custom
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| 243 | # flag parsing, like
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| 244 |
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| 245 | # ulimit -f 999 -n
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| 246 | # ulimit -f 999 -n 888
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| 247 | #
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| 248 | # - dash and mksh accept a single ARG
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| 249 | #
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| 250 | # we want to make it clear we're like the latter
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| 251 |
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| 252 | # can't print all and -f
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| 253 | ulimit -f -a >/dev/null
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| 254 | echo status=$?
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| 255 |
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| 256 | ulimit -f -n >/dev/null
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| 257 | echo status=$?
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| 258 |
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| 259 | ulimit -f -n 999 >/dev/null
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| 260 | echo status=$?
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| 261 |
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| 262 | ## STDOUT:
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| 263 | status=2
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| 264 | status=2
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| 265 | status=2
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| 266 | ## END
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| 267 |
|
| 268 | ## BUG dash/bash/mksh STDOUT:
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| 269 | status=0
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| 270 | status=0
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| 271 | status=0
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| 272 | ## END
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| 273 |
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| 274 | # zsh is better - it checks that -a and -f are exclusive
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| 275 |
|
| 276 | ## BUG zsh STDOUT:
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| 277 | status=1
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| 278 | status=0
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| 279 | status=0
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| 280 | ## END
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| 281 |
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| 282 |
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| 283 | #### YSH readability: ulimit --all the same as ulimit -a
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| 284 |
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| 285 | case $SH in bash|dash|mksh|zsh) exit ;; esac
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| 286 |
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| 287 | ulimit -a > short.txt
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| 288 | ulimit --all > long.txt
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| 289 |
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| 290 | wc -l short.txt long.txt
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| 291 |
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| 292 | diff -u short.txt long.txt
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| 293 | echo status=$?
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| 294 |
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| 295 | ## STDOUT:
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| 296 | 8 short.txt
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| 297 | 8 long.txt
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| 298 | 16 total
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| 299 | status=0
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| 300 | ## END
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| 301 |
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| 302 | ## N-I bash/dash/mksh/zsh STDOUT:
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| 303 | ## END
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| 304 |
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| 305 | #### ulimit accepts 'unlimited'
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| 306 |
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| 307 | for arg in zz unlimited; do
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| 308 | echo " arg $arg"
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| 309 | ulimit -f
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| 310 | echo status=$?
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| 311 | ulimit -f $arg
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| 312 | if test $? -ne 0; then
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| 313 | echo 'FAILED'
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| 314 | fi
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| 315 | echo
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| 316 | done
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| 317 | ## STDOUT:
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| 318 | arg zz
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| 319 | unlimited
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| 320 | status=0
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| 321 | FAILED
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| 322 |
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| 323 | arg unlimited
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| 324 | unlimited
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| 325 | status=0
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| 326 |
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| 327 | ## END
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| 328 |
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| 329 |
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| 330 | #### ulimit of 2**32, 2**31 (int overflow)
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| 331 |
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| 332 | echo -n 'one '; ulimit -f
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| 333 |
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| 334 |
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| 335 | ulimit -f $(( 1 << 32 ))
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| 336 |
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| 337 | echo -n 'two '; ulimit -f
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| 338 |
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| 339 |
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| 340 | # mksh fails because it overflows signed int, turning into negative number
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| 341 | ulimit -f $(( 1 << 31 ))
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| 342 |
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| 343 | echo -n 'three '; ulimit -f
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| 344 |
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| 345 | ## STDOUT:
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| 346 | one unlimited
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| 347 | two 4294967296
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| 348 | three 2147483648
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| 349 | ## END
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| 350 | ## BUG mksh STDOUT:
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| 351 | one unlimited
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| 352 | two 1
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| 353 | three 1
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| 354 | ## END
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| 355 |
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| 356 |
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| 357 | #### ulimit that is 64 bits
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| 358 |
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| 359 | # no 64-bit integers
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| 360 | case $SH in mksh) exit ;; esac
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| 361 |
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| 362 | echo -n 'before '; ulimit -f
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| 363 |
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| 364 | # 1 << 63 overflows signed int
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| 365 |
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| 366 | # 512 is 1 << 9, so make it 62-9 = 53 bits
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| 367 |
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| 368 | lim=$(( 1 << 53 ))
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| 369 | #echo $lim
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| 370 |
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| 371 | # bash says this is out of range
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| 372 | ulimit -f $lim
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| 373 |
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| 374 | echo -n 'after '; ulimit -f
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| 375 |
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| 376 | ## STDOUT:
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| 377 | before unlimited
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| 378 | after 9007199254740992
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| 379 | ## END
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| 380 |
|
| 381 | ## BUG mksh STDOUT:
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| 382 | ## END
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| 383 |
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| 384 |
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| 385 | #### arg that would overflow 64 bits is detected
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| 386 |
|
| 387 | # no 64-bit integers
|
| 388 | case $SH in mksh) exit ;; esac
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| 389 |
|
| 390 | echo -n 'before '; ulimit -f
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| 391 |
|
| 392 | # 1 << 63 overflows signed int
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| 393 |
|
| 394 | lim=$(( (1 << 62) + 1 ))
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| 395 | #echo lim=$lim
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| 396 |
|
| 397 | # bash detects that this is out of range
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| 398 | # so does osh-cpp, but not osh-cpython
|
| 399 |
|
| 400 | ulimit -f $lim
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| 401 | echo -n 'after '; ulimit -f
|
| 402 |
|
| 403 | ## STDOUT:
|
| 404 | before unlimited
|
| 405 | after unlimited
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| 406 | ## END
|
| 407 |
|
| 408 | ## BUG dash/zsh STDOUT:
|
| 409 | before unlimited
|
| 410 | after 1
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| 411 | ## END
|
| 412 |
|
| 413 | ## BUG mksh STDOUT:
|
| 414 | ## END
|
| 415 |
|
| 416 |
|
| 417 | #### ulimit -f 1 prevents files larger 512 bytes
|
| 418 |
|
| 419 | # dash and zsh give too much spew
|
| 420 | # mksh gives 512 byte files?
|
| 421 |
|
| 422 | #case $SH in dash|zsh|mksh) exit ;; esac
|
| 423 |
|
| 424 | rm -f err.txt
|
| 425 | touch err.txt
|
| 426 |
|
| 427 | bytes() {
|
| 428 | local n=$1
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| 429 | local st=0
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| 430 | for i in $(seq $n); do
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| 431 | echo -n x
|
| 432 | st=$?
|
| 433 | if test $st -ne 0; then
|
| 434 | echo "ERROR: echo failed with status $st" >> err.txt
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| 435 | fi
|
| 436 | done
|
| 437 | }
|
| 438 |
|
| 439 |
|
| 440 | ulimit -f 1
|
| 441 |
|
| 442 | bytes 512 > ok.txt
|
| 443 | echo 512 status=$?
|
| 444 |
|
| 445 | bytes 513 > too-big.txt
|
| 446 | echo 513 status=$?
|
| 447 | echo
|
| 448 |
|
| 449 | wc --bytes ok.txt too-big.txt
|
| 450 | echo
|
| 451 |
|
| 452 | cat err.txt
|
| 453 |
|
| 454 | ## STDOUT:
|
| 455 | 512 status=0
|
| 456 | 513 status=0
|
| 457 |
|
| 458 | 512 ok.txt
|
| 459 | 512 too-big.txt
|
| 460 | 1024 total
|
| 461 |
|
| 462 | ERROR: echo failed with status 1
|
| 463 | ## END
|
| 464 |
|
| 465 | ## BUG bash STDOUT:
|
| 466 | 512 status=0
|
| 467 | 513 status=0
|
| 468 |
|
| 469 | 512 ok.txt
|
| 470 | 513 too-big.txt
|
| 471 | 1025 total
|
| 472 |
|
| 473 | ## END
|
| 474 |
|
| 475 | #### write big file with ulimit
|
| 476 |
|
| 477 | # I think this will test write() errors, rather than the final flush() error
|
| 478 | # (which is currently skipped by C++
|
| 479 |
|
| 480 | { echo 'ulimit -f 1'
|
| 481 | # More than 8 KiB may cause a flush()
|
| 482 | python2 -c 'print("echo " + "X"*9000 + " >out.txt")'
|
| 483 | echo 'echo inner=$?'
|
| 484 | } > big.sh
|
| 485 |
|
| 486 | $SH big.sh
|
| 487 | echo outer=$?
|
| 488 |
|
| 489 | ## STDOUT:
|
| 490 | inner=1
|
| 491 | outer=0
|
| 492 | ## END
|
| 493 |
|
| 494 |
|
| 495 | #### ulimit -S for soft limit (default), -H for hard limit
|
| 496 | case $SH in dash|zsh) exit ;; esac
|
| 497 |
|
| 498 | # Note: ulimit -n -S 1111 is OK in osh/dash/mksh, but not bash/zsh
|
| 499 | # Mus be ulimit -S -n 1111
|
| 500 |
|
| 501 | show_state() {
|
| 502 | local msg=$1
|
| 503 | echo "$msg"
|
| 504 | echo -n ' '; ulimit -S -t
|
| 505 | echo -n ' '; ulimit -H -t
|
| 506 | echo
|
| 507 | }
|
| 508 |
|
| 509 | show_state 'init'
|
| 510 |
|
| 511 | ulimit -S -t 123456
|
| 512 | show_state '-S'
|
| 513 |
|
| 514 | ulimit -H -t 123457
|
| 515 | show_state '-H'
|
| 516 |
|
| 517 | ulimit -t 123455
|
| 518 | show_state 'no flag'
|
| 519 |
|
| 520 | echo 'GET'
|
| 521 |
|
| 522 | ulimit -S -t 123454
|
| 523 | echo -n ' '; ulimit -t
|
| 524 | echo -n ' '; ulimit -S -t
|
| 525 | echo -n ' '; ulimit -H -t
|
| 526 |
|
| 527 | ## STDOUT:
|
| 528 | init
|
| 529 | unlimited
|
| 530 | unlimited
|
| 531 |
|
| 532 | -S
|
| 533 | 123456
|
| 534 | unlimited
|
| 535 |
|
| 536 | -H
|
| 537 | 123456
|
| 538 | 123457
|
| 539 |
|
| 540 | no flag
|
| 541 | 123455
|
| 542 | 123455
|
| 543 |
|
| 544 | GET
|
| 545 | 123454
|
| 546 | 123454
|
| 547 | 123455
|
| 548 | ## END
|
| 549 |
|
| 550 | ## BUG dash/zsh STDOUT:
|
| 551 | ## END
|
| 552 |
|
| 553 | #### Changing resource limit is denied
|
| 554 |
|
| 555 | # Not sure why these don't work
|
| 556 | case $SH in dash|mksh) exit ;; esac
|
| 557 |
|
| 558 |
|
| 559 | flag=-t
|
| 560 |
|
| 561 | ulimit -S -H $flag 100
|
| 562 | echo both=$?
|
| 563 |
|
| 564 | ulimit -S $flag 90
|
| 565 | echo soft=$?
|
| 566 |
|
| 567 | ulimit -S $flag 95
|
| 568 | echo soft=$?
|
| 569 |
|
| 570 | ulimit -S $flag 105
|
| 571 | if test $? -ne 0; then
|
| 572 | echo soft OK
|
| 573 | else
|
| 574 | echo soft fail
|
| 575 | fi
|
| 576 |
|
| 577 | ulimit -H $flag 200
|
| 578 | if test $? -ne 0; then
|
| 579 | echo hard OK
|
| 580 | else
|
| 581 | echo hard fail
|
| 582 | fi
|
| 583 |
|
| 584 | ## STDOUT:
|
| 585 | both=0
|
| 586 | soft=0
|
| 587 | soft=0
|
| 588 | soft OK
|
| 589 | hard OK
|
| 590 | ## END
|
| 591 |
|
| 592 | ## BUG dash/mksh STDOUT:
|
| 593 | ## END
|