92 lines
2.0 KiB
Perl
Executable File
92 lines
2.0 KiB
Perl
Executable File
#!./perl
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print "1..30\n";
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# optimized
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$_ = 'abc';
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$c = do foo();
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if ($c . $_ eq 'cab') {print "ok 1\n";} else {print "not ok 1 $c$_\n";}
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# unoptimized
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$_ = 'abc';
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$c = chop($_);
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if ($c . $_ eq 'cab') {print "ok 2\n";} else {print "not ok 2\n";}
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sub foo {
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chop;
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}
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@foo = ("hi \n","there\n","!\n");
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@bar = @foo;
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chop(@bar);
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print join('',@bar) eq 'hi there!' ? "ok 3\n" : "not ok 3\n";
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$foo = "\n";
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chop($foo,@foo);
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print join('',$foo,@foo) eq 'hi there!' ? "ok 4\n" : "not ok 4\n";
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$_ = "foo\n\n";
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print chomp() == 1 ? "ok 5\n" : "not ok 5\n";
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print $_ eq "foo\n" ? "ok 6\n" : "not ok 6\n";
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$_ = "foo\n";
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print chomp() == 1 ? "ok 7\n" : "not ok 7\n";
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print $_ eq "foo" ? "ok 8\n" : "not ok 8\n";
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$_ = "foo";
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print chomp() == 0 ? "ok 9\n" : "not ok 9\n";
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print $_ eq "foo" ? "ok 10\n" : "not ok 10\n";
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$_ = "foo";
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$/ = "oo";
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print chomp() == 2 ? "ok 11\n" : "not ok 11\n";
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print $_ eq "f" ? "ok 12\n" : "not ok 12\n";
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$_ = "bar";
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$/ = "oo";
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print chomp() == 0 ? "ok 13\n" : "not ok 13\n";
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print $_ eq "bar" ? "ok 14\n" : "not ok 14\n";
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$_ = "f\n\n\n\n\n";
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$/ = "";
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print chomp() == 5 ? "ok 15\n" : "not ok 15\n";
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print $_ eq "f" ? "ok 16\n" : "not ok 16\n";
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$_ = "f\n\n";
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$/ = "";
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print chomp() == 2 ? "ok 17\n" : "not ok 17\n";
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print $_ eq "f" ? "ok 18\n" : "not ok 18\n";
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$_ = "f\n";
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$/ = "";
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print chomp() == 1 ? "ok 19\n" : "not ok 19\n";
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print $_ eq "f" ? "ok 20\n" : "not ok 20\n";
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$_ = "f";
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$/ = "";
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print chomp() == 0 ? "ok 21\n" : "not ok 21\n";
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print $_ eq "f" ? "ok 22\n" : "not ok 22\n";
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$_ = "xx";
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$/ = "xx";
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print chomp() == 2 ? "ok 23\n" : "not ok 23\n";
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print $_ eq "" ? "ok 24\n" : "not ok 24\n";
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$_ = "axx";
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$/ = "xx";
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print chomp() == 2 ? "ok 25\n" : "not ok 25\n";
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print $_ eq "a" ? "ok 26\n" : "not ok 26\n";
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$_ = "axx";
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$/ = "yy";
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print chomp() == 0 ? "ok 27\n" : "not ok 27\n";
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print $_ eq "axx" ? "ok 28\n" : "not ok 28\n";
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# This case once mistakenly behaved like paragraph mode.
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$_ = "ab\n";
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$/ = \3;
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print chomp() == 0 ? "ok 29\n" : "not ok 29\n";
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print $_ eq "ab\n" ? "ok 30\n" : "not ok 30\n";
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