1#!./perl 2 3# $RCSfile: append.t,v $$Revision: 4.1 $$Date: 92/08/07 18:27:36 $ 4 5print "1..13\n"; 6 7$a = 'ab' . 'c'; # compile time 8$b = 'def'; 9 10$c = $a . $b; 11print "#1\t:$c: eq :abcdef:\n"; 12if ($c eq 'abcdef') {print "ok 1\n";} else {print "not ok 1\n";} 13 14$c .= 'xyz'; 15print "#2\t:$c: eq :abcdefxyz:\n"; 16if ($c eq 'abcdefxyz') {print "ok 2\n";} else {print "not ok 2\n";} 17 18$_ = $a; 19$_ .= $b; 20print "#3\t:$_: eq :abcdef:\n"; 21if ($_ eq 'abcdef') {print "ok 3\n";} else {print "not ok 3\n";} 22 23# test that when right argument of concat is UTF8, and is the same 24# variable as the target, and the left argument is not UTF8, it no 25# longer frees the wrong string. 26{ 27 sub r2 { 28 my $string = ''; 29 $string .= pack("U0a*", 'mnopqrstuvwx'); 30 $string = "abcdefghijkl$string"; 31 } 32 33 r2() and print "ok $_\n" for qw/ 4 5 /; 34} 35 36# test that nul bytes get copied 37{ 38 my ($a, $ab) = ("a", "a\0b"); 39 my ($ua, $uab) = map pack("U0a*", $_), $a, $ab; 40 41 my $ub = pack("U0a*", 'b'); 42 43 my $t1 = $a; $t1 .= $ab; 44 45 print $t1 =~ /b/ ? "ok 6\n" : "not ok 6\t# $t1\n"; 46 47 my $t2 = $a; $t2 .= $uab; 48 49 print eval '$t2 =~ /$ub/' ? "ok 7\n" : "not ok 7\t# $t2\n"; 50 51 my $t3 = $ua; $t3 .= $ab; 52 53 print $t3 =~ /$ub/ ? "ok 8\n" : "not ok 8\t# $t3\n"; 54 55 my $t4 = $ua; $t4 .= $uab; 56 57 print eval '$t4 =~ /$ub/' ? "ok 9\n" : "not ok 9\t# $t4\n"; 58 59 my $t5 = $a; $t5 = $ab . $t5; 60 61 print $t5 =~ /$ub/ ? "ok 10\n" : "not ok 10\t# $t5\n"; 62 63 my $t6 = $a; $t6 = $uab . $t6; 64 65 print eval '$t6 =~ /$ub/' ? "ok 11\n" : "not ok 11\t# $t6\n"; 66 67 my $t7 = $ua; $t7 = $ab . $t7; 68 69 print $t7 =~ /$ub/ ? "ok 12\n" : "not ok 12\t# $t7\n"; 70 71 my $t8 = $ua; $t8 = $uab . $t8; 72 73 print eval '$t8 =~ /$ub/' ? "ok 13\n" : "not ok 13\t# $t8\n"; 74} 75