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1 | #!./perl |
2 | |
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3 | # $RCSfile: tell.t,v $$Revision$$Date$ |
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4 | |
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5 | BEGIN { |
6 | chdir 't' if -d 't'; |
7 | @INC = '../lib'; |
8 | } |
9 | |
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10 | print "1..28\n"; |
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11 | |
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12 | $TST = 'TST'; |
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13 | |
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14 | $Is_Dosish = ($^O eq 'MSWin32' or $^O eq 'NetWare' or $^O eq 'dos' or |
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15 | $^O eq 'os2' or $^O eq 'mint' or $^O eq 'cygwin' or |
16 | $^O =~ /^uwin/); |
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17 | |
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18 | open($TST, 'harness') || (die "Can't open harness"); |
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19 | binmode $TST if $Is_Dosish; |
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20 | if (eof(TST)) { print "not ok 1\n"; } else { print "ok 1\n"; } |
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21 | |
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22 | $firstline = <$TST>; |
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23 | $secondpos = tell; |
24 | |
25 | $x = 0; |
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26 | while (<TST>) { |
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27 | if (eof) {$x++;} |
28 | } |
29 | if ($x == 1) { print "ok 2\n"; } else { print "not ok 2\n"; } |
30 | |
31 | $lastpos = tell; |
32 | |
33 | unless (eof) { print "not ok 3\n"; } else { print "ok 3\n"; } |
34 | |
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35 | if (seek($TST,0,0)) { print "ok 4\n"; } else { print "not ok 4\n"; } |
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36 | |
37 | if (eof) { print "not ok 5\n"; } else { print "ok 5\n"; } |
38 | |
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39 | if ($firstline eq <TST>) { print "ok 6\n"; } else { print "not ok 6\n"; } |
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40 | |
41 | if ($secondpos == tell) { print "ok 7\n"; } else { print "not ok 7\n"; } |
42 | |
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43 | if (seek(TST,0,1)) { print "ok 8\n"; } else { print "not ok 8\n"; } |
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44 | |
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45 | if (eof($TST)) { print "not ok 9\n"; } else { print "ok 9\n"; } |
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46 | |
47 | if ($secondpos == tell) { print "ok 10\n"; } else { print "not ok 10\n"; } |
48 | |
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49 | if (seek(TST,0,2)) { print "ok 11\n"; } else { print "not ok 11\n"; } |
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50 | |
51 | if ($lastpos == tell) { print "ok 12\n"; } else { print "not ok 12\n"; } |
52 | |
53 | unless (eof) { print "not ok 13\n"; } else { print "ok 13\n"; } |
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54 | |
55 | if ($. == 0) { print "not ok 14\n"; } else { print "ok 14\n"; } |
56 | |
57 | $curline = $.; |
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58 | open(OTHER, 'harness') || (die "Can't open harness: $!"); |
59 | binmode OTHER if (($^O eq 'MSWin32') || ($^O eq 'NetWare')); |
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60 | |
61 | { |
62 | local($.); |
63 | |
64 | if ($. == 0) { print "not ok 15\n"; } else { print "ok 15\n"; } |
65 | |
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66 | tell OTHER; |
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67 | if ($. == 0) { print "ok 16\n"; } else { print "not ok 16\n"; } |
68 | |
69 | $. = 5; |
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70 | scalar <OTHER>; |
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71 | if ($. == 6) { print "ok 17\n"; } else { print "not ok 17\n"; } |
72 | } |
73 | |
74 | if ($. == $curline) { print "ok 18\n"; } else { print "not ok 18\n"; } |
75 | |
76 | { |
77 | local($.); |
78 | |
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79 | scalar <OTHER>; |
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80 | if ($. == 7) { print "ok 19\n"; } else { print "not ok 19\n"; } |
81 | } |
82 | |
83 | if ($. == $curline) { print "ok 20\n"; } else { print "not ok 20\n"; } |
84 | |
85 | { |
86 | local($.); |
87 | |
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88 | tell OTHER; |
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89 | if ($. == 7) { print "ok 21\n"; } else { print "not ok 21\n"; } |
90 | } |
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91 | |
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92 | close(OTHER); |
93 | { |
94 | no warnings 'closed'; |
95 | if (tell(OTHER) == -1) { print "ok 22\n"; } else { print "not ok 22\n"; } |
96 | } |
97 | { |
98 | no warnings 'unopened'; |
99 | if (tell(ETHER) == -1) { print "ok 23\n"; } else { print "not ok 23\n"; } |
100 | } |
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101 | |
102 | # ftell(STDIN) (or any std streams) is undefined, it can return -1 or |
103 | # something else. ftell() on pipes, fifos, and sockets is defined to |
104 | # return -1. |
105 | |
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106 | my $written = "tell_write.txt"; |
107 | |
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108 | END { 1 while unlink($written) } |
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109 | |
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110 | close($TST); |
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111 | open($tst,">$written") || die "Cannot open $written:$!"; |
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112 | binmode $tst if $Is_Dosish; |
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113 | |
114 | if (tell($tst) == 0) { print "ok 24\n"; } else { print "not ok 24\n"; } |
115 | |
116 | print $tst "fred\n"; |
117 | |
118 | if (tell($tst) == 5) { print "ok 25\n"; } else { print "not ok 25\n"; } |
119 | |
120 | print $tst "more\n"; |
121 | |
122 | if (tell($tst) == 10) { print "ok 26\n"; } else { print "not ok 26\n"; } |
123 | |
124 | close($tst); |
125 | |
126 | open($tst,"+>>$written") || die "Cannot open $written:$!"; |
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127 | binmode $tst if $Is_Dosish; |
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128 | |
129 | if (0) |
130 | { |
131 | # :stdio does not pass these so ignore them for now |
132 | |
133 | if (tell($tst) == 0) { print "ok 27\n"; } else { print "not ok 27\n"; } |
134 | |
135 | $line = <$tst>; |
136 | |
137 | if ($line eq "fred\n") { print "ok 29\n"; } else { print "not ok 29\n"; } |
138 | |
139 | if (tell($tst) == 5) { print "ok 30\n"; } else { print "not ok 30\n"; } |
140 | |
141 | } |
142 | |
143 | print $tst "xxxx\n"; |
144 | |
c6b46866 |
145 | if (tell($tst) == 15 || |
146 | tell($tst) == 5) # unset PERLIO or PERLIO=stdio (e.g. HP-UX, Solaris) |
147 | { print "ok 27\n"; } else { print "not ok 27\n"; } |
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148 | |
149 | close($tst); |
150 | |
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151 | open($tst,">$written") || die "Cannot open $written:$!"; |
152 | print $tst "foobar"; |
153 | close $tst; |
154 | open($tst,">>$written") || die "Cannot open $written:$!"; |
155 | |
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156 | # This test makes a questionable assumption that the file pointer will |
157 | # be at eof after opening a file but before seeking, reading, or writing. |
158 | # Only known failure is on cygwin. |
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159 | my $todo = $^O eq "cygwin" && &PerlIO::get_layers($tst) eq 'stdio' |
160 | && ' # TODO: file pointer not at eof'; |
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161 | |
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162 | if (tell($tst) == 6) |
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163 | { print "ok 28$todo\n"; } else { print "not ok 28$todo\n"; } |
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164 | close $tst; |
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165 | |