# $NetBSD: t_dd.sh,v 1.3 2022/05/24 21:42:37 rillig Exp $
#
# Copyright (c) 2007 The NetBSD Foundation, Inc.
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test_dd_length() {
       result=$1
       cmd=$2
       set -- x `eval $cmd | wc -c`
       res=$2
       if [ x"$res" != x"$result" ]; then
               atf_fail "Expected $result bytes of output, got $res: $cmd"
       fi
}

atf_test_case length
length_head() {
       # XXX The PR should be stored in a tag.
       atf_set "descr" "Test for result messages accidentally pumped into" \
                       "the output file if the standard IO descriptors are" \
                       "closed.  The last of the three following tests is" \
                       "the one expected to fail.  (NetBSD PR bin/8521)"
}
length_body() {
       test_dd_length 512 \
           "dd if=/dev/zero of=/dev/fd/5 count=1 5>&1 >/dev/null 2>/dev/null"
       test_dd_length 512 \
           "dd if=/dev/zero of=/dev/fd/5 count=1 5>&1 >&- 2>/dev/null"
       test_dd_length 512 \
           "dd if=/dev/zero of=/dev/fd/5 count=1 5>&1 >&- 2>&-"
}

test_dd_io() {
       res="`echo -n "$2" | eval $1`"
       if [ x"$res" != x"$3" ]; then
               atf_fail "Expected \"$3\", got \"$res\": $1"
       fi
}

allbits1="\000\001\002\003\004\005\006\007\010\011\012\013\014\015\016\017\020\021\022\023\024\025\026\027\030\031\032\033\034\035\036\037\040\041\042\043\044\045\046\047\050\051\052\053\054\055\056\057\060\061\062\063\064\065\066\067\070\071\072\073\074\075\076\077\100\101\102\103\104\105\106\107\110\111\112\113\114\115\116\117\120\121\122\123\124\125\126\127\130\131\132\133\134\135\136\137\140\141\142\143\144\145\146\147\150\151\152\153\154\155\156\157\160\161\162\163\164\165\166\167\170\171\172\173\174\175\176\177\200\201\202\203\204\205\206\207\210\211\212\213\214\215\216\217\220\221\222\223\224\225\226\227\230\231\232\233\234\235\236\237\240\241\242\243\244\245\246\247\250\251\252\253\254\255\256\257\260\261\262\263\264\265\266\267\270\271\272\273\274\275\276\277\300\301\302\303\304\305\306\307\310\311\312\313\314\315\316\317\320\321\322\323\324\325\326\327\330\331\332\333\334\335\336\337\340\341\342\343\344\345\346\347\350\351\352\353\354\355\356\357\360\361\362\363\364\365\366\367\370\371\372\373\374\375\376\377"

ebcdicbits1="\000\001\002\003\067\055\056\057\026\005\045\013\014\015\016\017\020\021\022\023\074\075\062\046\030\031\077\047\034\035\036\037\100\132\177\173\133\154\120\175\115\135\134\116\153\140\113\141\360\361\362\363\364\365\366\367\370\371\172\136\114\176\156\157\174\301\302\303\304\305\306\307\310\311\321\322\323\324\325\326\327\330\331\342\343\344\345\346\347\350\351\255\340\275\232\155\171\201\202\203\204\205\206\207\210\211\221\222\223\224\225\226\227\230\231\242\243\244\245\246\247\250\251\300\117\320\137\007\040\041\042\043\044\025\006\027\050\051\052\053\054\011\012\033\060\061\032\063\064\065\066\010\070\071\072\073\004\024\076\341\101\102\103\104\105\106\107\110\111\121\122\123\124\125\126\127\130\131\142\143\144\145\146\147\150\151\160\161\162\163\164\165\166\167\170\200\212\213\214\215\216\217\220\152\233\234\235\236\237\240\252\253\254\112\256\257\260\261\262\263\264\265\266\267\270\271\272\273\274\241\276\277\312\313\314\315\316\317\332\333\334\335\336\337\352\353\354\355\356\357\372\373\374\375\376\377"

allvisbits=`echo -n "$allbits1" | unvis | vis`
ebcdicvisbits=`echo -n "$ebcdicbits1" | unvis | vis`

atf_test_case io
io_head() {
       atf_set "descr" "This checks the combination of bs= with" \
                       "conv=ebcdic.  Prior to revision 1.24 of dd's" \
                       "args.c, the conv option would be ignored."
}
io_body() {
       test_dd_io "unvis | dd 2>/dev/null | vis" \
                  "$allvisbits" "$allvisbits"
       test_dd_io "unvis | dd ibs=1 2>/dev/null | vis" \
                  "$allvisbits" "$allvisbits"
       test_dd_io "unvis | dd obs=1 2>/dev/null | vis" \
                  "$allvisbits" "$allvisbits"
       test_dd_io "unvis | dd bs=1 2>/dev/null | vis" \
                  "$allvisbits" "$allvisbits"

       test_dd_io "unvis | dd conv=ebcdic 2>/dev/null | vis" \
                  "$allvisbits" "$ebcdicvisbits"
       test_dd_io "unvis | dd conv=ebcdic ibs=512 2>/dev/null | vis" \
                  "$allvisbits" "$ebcdicvisbits"
       test_dd_io "unvis | dd conv=ebcdic obs=512 2>/dev/null | vis" \
                  "$allvisbits" "$ebcdicvisbits"
       test_dd_io "unvis | dd conv=ebcdic bs=512 2>/dev/null | vis" \
                  "$allvisbits" "$ebcdicvisbits"

       test_dd_io "unvis | dd conv=ebcdic 2>/dev/null | vis" \
                  "$allvisbits" "$ebcdicvisbits"
       test_dd_io "unvis | dd conv=ebcdic ibs=1 2>/dev/null | vis" \
                  "$allvisbits" "$ebcdicvisbits"
       test_dd_io "unvis | dd conv=ebcdic obs=1 2>/dev/null | vis" \
                  "$allvisbits" "$ebcdicvisbits"
       test_dd_io "unvis | dd conv=ebcdic bs=1 2>/dev/null | vis" \
                  "$allvisbits" "$ebcdicvisbits"
}

atf_test_case seek
seek_head() {
       atf_set "descr" "Tests output file seeking"
}

seek_body() {
       echo TEST1234 > testfile
       atf_check -s exit:0 -e ignore \
           dd if=/dev/zero of=testfile seek=1 bs=8k count=1
       atf_check -s exit:0 -e ignore -o match:'^TEST1234$' dd if=testfile
       eval $(stat -s testfile)
       atf_check_equal $st_size $((2*8192))

       echo -n TEST1234 > tf2
       atf_check -s exit:0 -e ignore -x \
           'dd bs=4 if=/dev/zero count=1 | tr \\0 \\n | dd of=tf2 bs=4 seek=1'
       atf_check -s exit:0 -e ignore -o match:'^TEST$' dd if=tf2
       eval $(stat -s tf2)
       atf_check_equal $st_size 8
}

atf_test_case swab
swab_head() {
       atf_set "descr" "Tests conv=swab"
}

swab_body() {
       echo -n abcdefgh > testfile

       test_swab() {
               atf_check -o inline:"$1" \
                   dd if=testfile conv=swab msgfmt=quiet $2
       }

       atf_check -o inline:badcfehg \
           dd if=testfile conv=swab msgfmt=quiet

       test_swap badcfehg # default block size
       test_swab abcdefgh bs=1
       test_swab badcfehg bs=2
       test_swab bacedfhg bs=3
       test_swab badcfehg bs=4
       test_swab badcegfh bs=5
       test_swab badcfehg bs=6
       test_swab badcfegh bs=7
       test_swab badcfehg bs=8
}

atf_init_test_cases()
{
       atf_add_test_case length
       atf_add_test_case io
       atf_add_test_case seek
       atf_add_test_case swab
}

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