freebsd-dev/usr.bin/sed/tests/sed2_test.sh

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atf_test_case inplace_hardlink_src
inplace_hardlink_src_head()
{
	atf_set "descr" "Verify -i works with a symlinked source file"
}
inplace_hardlink_src_body()
{
	echo foo > a
	atf_check ln a b
	atf_check sed -i '' -e 's,foo,bar,g' b
	atf_check -o 'inline:bar\n' -s exit:0 cat b
	atf_check -s not-exit:0 stat -q '.!'*
}

atf_test_case inplace_symlink_src
inplace_symlink_src_head()
{
	atf_set "descr" "Verify -i works with a symlinked source file"
}
inplace_symlink_src_body()
{
	echo foo > a
	atf_check ln -s a b
	atf_check -e not-empty -s not-exit:0 sed -i '' -e 's,foo,bar,g' b
	atf_check -s not-exit:0 stat -q '.!'*
}

atf_test_case inplace_command_q
inplace_command_q_head()
{
	atf_set "descr" "Verify -i works correctly with the 'q' command"
}
inplace_command_q_body()
{
	printf '1\n2\n3\n' > a
	atf_check -o 'inline:1\n2\n' sed '2q' a
	atf_check sed -i.bak '2q' a
	atf_check -o 'inline:1\n2\n' cat a
	atf_check -o 'inline:1\n2\n3\n' cat a.bak
	atf_check -s not-exit:0 stat -q '.!'*
}

atf_init_test_cases()
{
	atf_add_test_case inplace_command_q
	atf_add_test_case inplace_hardlink_src
	atf_add_test_case inplace_symlink_src
}