mirror of
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85 lines
2.9 KiB
Bash
85 lines
2.9 KiB
Bash
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#!/bin/sh
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# Are comments ignored?
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# Sanity check: can we do && and || ?
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true || exit 2
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false && exit 2
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# Sanity check: can we pass arguments to 'test'?
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test yes = yes || exit 2
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# Sanity check: can we use $(command)?
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test "$(echo yes)" = yes || exit 2
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# Apply some useful aliases
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# FIXME: Convert these to functions when we have them
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alias fail="echo Failure: "
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# Redirections.
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test -z "$(echo foo > /dev/null)" || fail direct path redirection
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test -z "$(echo foo 2> /dev/null 1>&2)" || fail indirect redirection
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test -n "$(echo foo 2> /dev/null)" || fail fds interfere with each other
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# Argument unpack
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test "$(echo (yes))" = yes || fail arguments inside bare lists
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test "$(echo (no)() yes)" = yes || fail arguments inside juxtaposition: empty
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test "$(echo (y)(es))" = yes || fail arguments inside juxtaposition: list
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test "$(echo "y"es)" = yes || fail arguments inside juxtaposition: string
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# String substitution
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foo=yes
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test "$(echo $foo)" = yes || fail simple string var lookup
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test "$(echo "$foo")" = yes || fail stringified string var lookup
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# List substitution
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foo=(yes)
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# Static lookup, as list
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test "$(echo $foo)" = yes || fail simple list var lookup
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# Static lookup, stringified
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test "$(echo "$foo")" = yes || fail stringified list var lookup
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# Dynamic lookup through static expression
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test "$(echo $'foo')" = yes || fail dynamic lookup through static exp
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# Dynamic lookup through dynamic expression
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ref_to_foo=foo
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test "$(echo $"$ref_to_foo")" = yes || fail dynamic lookup through dynamic exp
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# More redirections
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echo test > /tmp/sh-test
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test "$(cat /tmp/sh-test)" = test || fail simple path redirect
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rm /tmp/sh-test
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# 'brace' expansions
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test "$(echo x(yes no))" = "xyes xno" || fail simple juxtaposition expansion
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test "$(echo (y n)(es o))" = "yes yo nes no" || fail list-list juxtaposition expansion
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test "$(echo ()(foo bar baz))" = "" || fail empty expansion
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# Variables inside commands
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to_devnull=(>/dev/null)
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test "$(echo hewwo $to_devnull)" = "" || fail variable containing simple command
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word_count=(() | wc -w)
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test "$(echo well hello friends $word_count)" -eq 3 || fail variable containing pipeline
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# Globs
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mkdir sh-test
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pushd sh-test
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touch (a b c)(d e f)
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test "$(echo a*)" = "ad ae af" || fail '*' glob expansion
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test "$(echo a?)" = "ad ae af" || fail '?' glob expansion
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glob_in_var='*'
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test "$(echo $glob_in_var)" = '*' || fail substituted string acts as glob
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test "$(echo (a*))" = "ad ae af" || fail globs in lists resolve wrong
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test "$(echo x(a*))" = "xad xae xaf" || fail globs in lists do not resolve to lists
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test "$(echo "foo"a*)" = "fooad fooae fooaf" || fail globs join to dquoted strings
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popd
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rm -fr sh-test
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# Setopt
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setopt --inline_exec_keep_empty_segments
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test "$(echo "a\n\nb")" = "a b" || fail inline_exec_keep_empty_segments has no effect
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setopt --no_inline_exec_keep_empty_segments
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test "$(echo "a\n\nb")" = "a b" || fail cannot unset inline_exec_keep_empty_segments
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