| 1 | ## compare_shells: dash bash-4.4 mksh zsh
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| 2 | ## oils_failures_allowed: 0
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| 3 |
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| 4 | #### Eval
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| 5 | eval "a=3"
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| 6 | echo $a
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| 7 | ## stdout: 3
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| 8 |
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| 9 | #### eval accepts/ignores --
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| 10 | eval -- echo hi
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| 11 | ## STDOUT:
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| 12 | hi
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| 13 | ## END
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| 14 | ## BUG dash status: 127
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| 15 | ## BUG dash stdout-json: ""
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| 16 |
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| 17 | #### eval usage
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| 18 | eval -
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| 19 | echo $?
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| 20 | eval -z
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| 21 | echo $?
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| 22 | ## STDOUT:
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| 23 | 127
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| 24 | 2
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| 25 | ## END
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| 26 | ## OK dash STDOUT:
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| 27 | 127
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| 28 | 127
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| 29 | ## END
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| 30 | ## OK mksh status: 1
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| 31 | ## OK mksh STDOUT:
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| 32 | 127
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| 33 | ## END
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| 34 | ## OK zsh STDOUT:
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| 35 | 0
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| 36 | 127
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| 37 | ## END
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| 38 |
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| 39 | #### eval string with 'break continue return error'
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| 40 |
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| 41 | set -e
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| 42 |
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| 43 | sh_func_that_evals() {
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| 44 | local code_str=$1
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| 45 | for i in 1 2; do
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| 46 | echo $i
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| 47 | eval "$code_str"
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| 48 | done
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| 49 | echo 'end func'
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| 50 | }
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| 51 |
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| 52 | for code_str in break continue return false; do
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| 53 | echo "--- $code_str"
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| 54 | sh_func_that_evals "$code_str"
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| 55 | done
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| 56 | echo status=$?
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| 57 |
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| 58 | ## status: 1
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| 59 | ## STDOUT:
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| 60 | --- break
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| 61 | 1
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| 62 | end func
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| 63 | --- continue
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| 64 | 1
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| 65 | 2
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| 66 | end func
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| 67 | --- return
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| 68 | 1
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| 69 | --- false
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| 70 | 1
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| 71 | ## END
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| 72 |
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| 73 | ## BUG mksh STDOUT:
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| 74 | --- break
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| 75 | 1
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| 76 | 2
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| 77 | end func
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| 78 | --- continue
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| 79 | 1
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| 80 | 2
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| 81 | end func
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| 82 | --- return
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| 83 | 1
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| 84 | --- false
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| 85 | 1
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| 86 | ## END
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| 87 |
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| 88 | #### eval YSH block with 'break continue return error'
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| 89 | case $SH in dash|bash*|mksh|zsh) exit ;; esac
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| 90 |
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| 91 | shopt -s ysh:all
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| 92 |
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| 93 | proc proc_that_evals(; ; ;b) {
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| 94 | for i in 1 2; do
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| 95 | echo $i
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| 96 | call io->eval(b)
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| 97 | done
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| 98 | echo 'end func'
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| 99 | }
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| 100 |
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| 101 | var cases = [
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| 102 | ['break', ^(break)],
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| 103 | ['continue', ^(continue)],
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| 104 | ['return', ^(return)],
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| 105 | ['false', ^(false)],
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| 106 | ]
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| 107 |
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| 108 | for test_case in (cases) {
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| 109 | var code_str, block = test_case
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| 110 | echo "--- $code_str"
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| 111 | proc_that_evals (; ; block)
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| 112 | }
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| 113 | echo status=$?
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| 114 |
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| 115 | ## status: 1
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| 116 | ## STDOUT:
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| 117 | --- break
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| 118 | 1
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| 119 | end func
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| 120 | --- continue
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| 121 | 1
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| 122 | 2
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| 123 | end func
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| 124 | --- return
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| 125 | 1
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| 126 | --- false
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| 127 | 1
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| 128 | ## END
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| 129 |
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| 130 | ## N-I dash/bash/mksh/zsh status: 0
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| 131 | ## N-I dash/bash/mksh/zsh STDOUT:
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| 132 | ## END
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| 133 |
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| 134 | #### exit within eval (regression)
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| 135 | eval 'exit 42'
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| 136 | echo 'should not get here'
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| 137 | ## stdout-json: ""
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| 138 | ## status: 42
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| 139 |
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| 140 | #### exit within source (regression)
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| 141 | cd $TMP
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| 142 | echo 'exit 42' > lib.sh
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| 143 | . ./lib.sh
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| 144 | echo 'should not get here'
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| 145 | ## stdout-json: ""
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| 146 | ## status: 42
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| 147 |
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| 148 | #### Source
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| 149 | lib=$TMP/spec-test-lib.sh
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| 150 | echo 'LIBVAR=libvar' > $lib
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| 151 | . $lib # dash doesn't have source
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| 152 | echo $LIBVAR
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| 153 | ## stdout: libvar
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| 154 |
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| 155 | #### source accepts/ignores --
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| 156 | echo 'echo foo' > $TMP/foo.sh
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| 157 | source -- $TMP/foo.sh
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| 158 | ## STDOUT:
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| 159 | foo
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| 160 | ## END
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| 161 | ## N-I dash stdout-json: ""
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| 162 | ## N-I dash status: 127
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| 163 |
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| 164 | #### Source nonexistent
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| 165 | source /nonexistent/path
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| 166 | echo status=$?
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| 167 | ## stdout: status=1
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| 168 | ## OK dash/zsh stdout: status=127
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| 169 |
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| 170 | #### Source with no arguments
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| 171 | source
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| 172 | echo status=$?
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| 173 | ## stdout: status=2
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| 174 | ## OK mksh/zsh stdout: status=1
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| 175 | ## N-I dash stdout: status=127
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| 176 |
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| 177 | #### Source with arguments
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| 178 | . $REPO_ROOT/spec/testdata/show-argv.sh foo bar # dash doesn't have source
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| 179 | ## STDOUT:
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| 180 | show-argv: foo bar
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| 181 | ## END
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| 182 | ## N-I dash STDOUT:
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| 183 | show-argv:
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| 184 | ## END
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| 185 |
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| 186 | #### Source from a function, mutating argv and defining a local var
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| 187 | f() {
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| 188 | . $REPO_ROOT/spec/testdata/source-argv.sh # no argv
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| 189 | . $REPO_ROOT/spec/testdata/source-argv.sh args to src # new argv
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| 190 | echo $@
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| 191 | echo foo=$foo # defined in source-argv.sh
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| 192 | }
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| 193 | f args to func
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| 194 | echo foo=$foo # not defined
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| 195 | ## STDOUT:
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| 196 | source-argv: args to func
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| 197 | source-argv: args to src
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| 198 | to func
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| 199 | foo=foo_val
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| 200 | foo=
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| 201 | ## END
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| 202 | ## N-I dash STDOUT:
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| 203 | source-argv: args to func
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| 204 | source-argv: to func
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| 205 | func
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| 206 | foo=foo_val
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| 207 | foo=
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| 208 | ## END
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| 209 |
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| 210 | #### Source with syntax error
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| 211 | # TODO: We should probably use dash behavior of a fatal error.
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| 212 | # Although set-o errexit handles this. We don't want to break the invariant
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| 213 | # that a builtin like 'source' behaves like an external program. An external
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| 214 | # program can't halt the shell!
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| 215 | echo 'echo >' > $TMP/syntax-error.sh
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| 216 | . $TMP/syntax-error.sh
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| 217 | echo status=$?
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| 218 | ## stdout: status=2
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| 219 | ## OK bash/mksh stdout: status=1
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| 220 | ## OK zsh stdout: status=126
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| 221 | ## OK dash stdout-json: ""
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| 222 | ## OK dash status: 2
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| 223 |
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| 224 | #### Eval with syntax error
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| 225 | eval 'echo >'
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| 226 | echo status=$?
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| 227 | ## stdout: status=2
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| 228 | ## OK bash/zsh stdout: status=1
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| 229 | ## OK dash stdout-json: ""
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| 230 | ## OK dash status: 2
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| 231 | ## OK mksh stdout-json: ""
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| 232 | ## OK mksh status: 1
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| 233 |
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| 234 | #### Eval in does tilde expansion
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| 235 |
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| 236 | x="~"
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| 237 | eval y="$x" # scalar
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| 238 | test "$x" = "$y" || echo FALSE
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| 239 | [[ $x == /* ]] || echo FALSE # doesn't start with /
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| 240 | [[ $y == /* ]] && echo TRUE
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| 241 |
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| 242 | #argv "$x" "$y"
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| 243 |
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| 244 | ## STDOUT:
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| 245 | FALSE
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| 246 | FALSE
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| 247 | TRUE
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| 248 | ## END
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| 249 | ## BUG dash status: 127
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| 250 | ## BUG dash stdout-json: "FALSE\n"
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| 251 | ## BUG mksh status: 1
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| 252 | ## BUG mksh stdout-json: "FALSE\n"
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| 253 |
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| 254 | #### Eval in bash does tilde expansion in array
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| 255 |
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| 256 | # the "make" plugin in bash-completion relies on this? wtf?
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| 257 | x="~"
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| 258 |
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| 259 | # UPSTREAM CODE
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| 260 |
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| 261 | #eval array=( "$x" )
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| 262 |
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| 263 | # FIXED CODE -- proper quoting.
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| 264 |
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| 265 | eval 'array=(' "$x" ')' # array
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| 266 |
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| 267 | test "$x" = "${array[0]}" || echo FALSE
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| 268 | [[ $x == /* ]] || echo FALSE # doesn't start with /
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| 269 | [[ "${array[0]}" == /* ]] && echo TRUE
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| 270 | ## STDOUT:
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| 271 | FALSE
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| 272 | FALSE
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| 273 | TRUE
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| 274 | ## END
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| 275 | ## N-I dash status: 2
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| 276 | ## N-I dash stdout-json: ""
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| 277 | ## BUG mksh status: 1
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| 278 | ## BUG mksh STDOUT:
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| 279 | FALSE
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| 280 | ## END
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| 281 | ## BUG zsh status: 1
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| 282 | ## BUG zsh STDOUT:
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| 283 | FALSE
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| 284 | FALSE
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| 285 | ## END
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| 286 |
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| 287 | #### source works for files in current directory (bash only)
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| 288 | cd $TMP
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| 289 | echo "echo current dir" > cmd
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| 290 | . cmd
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| 291 | echo status=$?
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| 292 | ## STDOUT:
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| 293 | current dir
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| 294 | status=0
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| 295 | ## END
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| 296 | ## N-I zsh STDOUT:
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| 297 | status=127
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| 298 | ## END
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| 299 |
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| 300 | # This is a special builtin so failure is fatal.
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| 301 |
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| 302 | ## N-I dash stdout-json: ""
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| 303 | ## N-I dash status: 2
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| 304 | ## N-I mksh stdout-json: ""
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| 305 | ## N-I mksh status: 1
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| 306 |
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| 307 | #### source looks in PATH for files
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| 308 | mkdir -p dir
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| 309 | echo "echo hi" > dir/cmd
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| 310 | PATH="dir:$PATH"
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| 311 | . cmd
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| 312 | rm dir/cmd
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| 313 | ## STDOUT:
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| 314 | hi
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| 315 | ## END
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| 316 |
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| 317 | #### source finds files in PATH before current dir
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| 318 | cd $TMP
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| 319 | mkdir -p dir
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| 320 | echo "echo path" > dir/cmd
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| 321 | echo "echo current dir" > cmd
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| 322 | PATH="dir:$PATH"
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| 323 | . cmd
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| 324 | echo status=$?
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| 325 | ## STDOUT:
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| 326 | path
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| 327 | status=0
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| 328 | ## END
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| 329 |
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| 330 | #### source works for files in subdirectory
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| 331 | mkdir -p dir
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| 332 | echo "echo path" > dir/cmd
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| 333 | . dir/cmd
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| 334 | rm dir/cmd
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| 335 | ## STDOUT:
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| 336 | path
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| 337 | ## END
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| 338 |
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| 339 | #### source doesn't crash when targeting a directory
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| 340 | cd $TMP
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| 341 | mkdir -p dir
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| 342 | . ./dir/
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| 343 | echo status=$?
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| 344 | ## stdout: status=1
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| 345 | ## OK dash/zsh/mksh stdout: status=0
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