| 1 | #!./perl
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| 2 |
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| 3 | BEGIN {
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| 4 | chdir 't' if -d 't';
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| 5 | @INC = '.', '../lib';
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| 6 | }
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| 7 |
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| 8 | require 'test.pl';
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| 9 |
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| 10 | plan (91);
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| 11 |
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| 12 | #
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| 13 | # @foo, @bar, and @ary are also used from tie-stdarray after tie-ing them
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| 14 | #
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| 15 |
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| 16 | @ary = (1,2,3,4,5);
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| 17 | is(join('',@ary), '12345');
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| 18 |
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| 19 | $tmp = $ary[$#ary]; --$#ary;
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| 20 | is($tmp, 5);
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| 21 | is($#ary, 3);
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| 22 | is(join('',@ary), '1234');
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| 23 |
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| 24 | $[ = 1;
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| 25 | @ary = (1,2,3,4,5);
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| 26 | is(join('',@ary), '12345');
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| 27 |
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| 28 | $tmp = $ary[$#ary]; --$#ary;
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| 29 | is($tmp, 5);
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| 30 | # Must do == here beacuse $[ isn't 0
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| 31 | ok($#ary == 4);
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| 32 | is(join('',@ary), '1234');
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| 33 |
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| 34 | is($ary[5], undef);
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| 35 |
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| 36 | $#ary += 1; # see if element 5 gone for good
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| 37 | ok($#ary == 5);
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| 38 | ok(!defined $ary[5]);
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| 39 |
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| 40 | $[ = 0;
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| 41 | @foo = ();
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| 42 | $r = join(',', $#foo, @foo);
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| 43 | is($r, "-1");
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| 44 | $foo[0] = '0';
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| 45 | $r = join(',', $#foo, @foo);
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| 46 | is($r, "0,0");
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| 47 | $foo[2] = '2';
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| 48 | $r = join(',', $#foo, @foo);
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| 49 | is($r, "2,0,,2");
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| 50 | @bar = ();
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| 51 | $bar[0] = '0';
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| 52 | $bar[1] = '1';
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| 53 | $r = join(',', $#bar, @bar);
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| 54 | is($r, "1,0,1");
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| 55 | @bar = ();
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| 56 | $r = join(',', $#bar, @bar);
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| 57 | is($r, "-1");
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| 58 | $bar[0] = '0';
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| 59 | $r = join(',', $#bar, @bar);
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| 60 | is($r, "0,0");
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| 61 | $bar[2] = '2';
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| 62 | $r = join(',', $#bar, @bar);
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| 63 | is($r, "2,0,,2");
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| 64 | reset 'b' if $^O ne 'VMS';
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| 65 | @bar = ();
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| 66 | $bar[0] = '0';
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| 67 | $r = join(',', $#bar, @bar);
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| 68 | is($r, "0,0");
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| 69 | $bar[2] = '2';
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| 70 | $r = join(',', $#bar, @bar);
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| 71 | is($r, "2,0,,2");
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| 72 |
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| 73 | $foo = 'now is the time';
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| 74 | ok(scalar (($F1,$F2,$Etc) = ($foo =~ /^(\S+)\s+(\S+)\s*(.*)/)));
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| 75 | is($F1, 'now');
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| 76 | is($F2, 'is');
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| 77 | is($Etc, 'the time');
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| 78 |
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| 79 | $foo = 'lskjdf';
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| 80 | ok(!($cnt = (($F1,$F2,$Etc) = ($foo =~ /^(\S+)\s+(\S+)\s*(.*)/))))
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| 81 | or diag("$cnt $F1:$F2:$Etc");
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| 82 |
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| 83 | %foo = ('blurfl','dyick','foo','bar','etc.','etc.');
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| 84 | %bar = %foo;
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| 85 | is($bar{'foo'}, 'bar');
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| 86 | %bar = ();
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| 87 | is($bar{'foo'}, undef);
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| 88 | (%bar,$a,$b) = (%foo,'how','now');
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| 89 | is($bar{'foo'}, 'bar');
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| 90 | is($bar{'how'}, 'now');
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| 91 | @bar{keys %foo} = values %foo;
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| 92 | is($bar{'foo'}, 'bar');
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| 93 | is($bar{'how'}, 'now');
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| 94 |
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| 95 | @foo = grep(/e/,split(' ','now is the time for all good men to come to'));
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| 96 | is(join(' ',@foo), 'the time men come');
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| 97 |
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| 98 | @foo = grep(!/e/,split(' ','now is the time for all good men to come to'));
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| 99 | is(join(' ',@foo), 'now is for all good to to');
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| 100 |
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| 101 | $foo = join('',('a','b','c','d','e','f')[0..5]);
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| 102 | is($foo, 'abcdef');
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| 103 |
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| 104 | $foo = join('',('a','b','c','d','e','f')[0..1]);
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| 105 | is($foo, 'ab');
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| 106 |
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| 107 | $foo = join('',('a','b','c','d','e','f')[6]);
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| 108 | is($foo, '');
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| 109 |
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| 110 | @foo = ('a','b','c','d','e','f')[0,2,4];
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| 111 | @bar = ('a','b','c','d','e','f')[1,3,5];
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| 112 | $foo = join('',(@foo,@bar)[0..5]);
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| 113 | is($foo, 'acebdf');
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| 114 |
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| 115 | $foo = ('a','b','c','d','e','f')[0,2,4];
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| 116 | is($foo, 'e');
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| 117 |
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| 118 | $foo = ('a','b','c','d','e','f')[1];
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| 119 | is($foo, 'b');
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| 120 |
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| 121 | @foo = ( 'foo', 'bar', 'burbl');
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| 122 | push(foo, 'blah');
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| 123 | is($#foo, 3);
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| 124 |
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| 125 | # various AASSIGN_COMMON checks (see newASSIGNOP() in op.c)
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| 126 |
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| 127 | #curr_test(38);
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| 128 |
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| 129 | @foo = @foo;
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| 130 | is("@foo", "foo bar burbl blah"); # 38
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| 131 |
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| 132 | (undef,@foo) = @foo;
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| 133 | is("@foo", "bar burbl blah"); # 39
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| 134 |
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| 135 | @foo = ('XXX',@foo, 'YYY');
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| 136 | is("@foo", "XXX bar burbl blah YYY"); # 40
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| 137 |
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| 138 | @foo = @foo = qw(foo b\a\r bu\\rbl blah);
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| 139 | is("@foo", 'foo b\a\r bu\\rbl blah'); # 41
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| 140 |
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| 141 | @bar = @foo = qw(foo bar); # 42
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| 142 | is("@foo", "foo bar");
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| 143 | is("@bar", "foo bar"); # 43
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| 144 |
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| 145 | # try the same with local
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| 146 | # XXX tie-stdarray fails the tests involving local, so we use
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| 147 | # different variable names to escape the 'tie'
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| 148 |
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| 149 | @bee = ( 'foo', 'bar', 'burbl', 'blah');
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| 150 | {
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| 151 |
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| 152 | local @bee = @bee;
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| 153 | is("@bee", "foo bar burbl blah"); # 44
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| 154 | {
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| 155 | local (undef,@bee) = @bee;
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| 156 | is("@bee", "bar burbl blah"); # 45
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| 157 | {
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| 158 | local @bee = ('XXX',@bee,'YYY');
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| 159 | is("@bee", "XXX bar burbl blah YYY"); # 46
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| 160 | {
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| 161 | local @bee = local(@bee) = qw(foo bar burbl blah);
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| 162 | is("@bee", "foo bar burbl blah"); # 47
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| 163 | {
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| 164 | local (@bim) = local(@bee) = qw(foo bar);
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| 165 | is("@bee", "foo bar"); # 48
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| 166 | is("@bim", "foo bar"); # 49
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| 167 | }
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| 168 | is("@bee", "foo bar burbl blah"); # 50
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| 169 | }
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| 170 | is("@bee", "XXX bar burbl blah YYY"); # 51
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| 171 | }
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| 172 | is("@bee", "bar burbl blah"); # 52
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| 173 | }
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| 174 | is("@bee", "foo bar burbl blah"); # 53
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| 175 | }
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| 176 |
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| 177 | # try the same with my
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| 178 | {
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| 179 |
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| 180 | my @bee = @bee;
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| 181 | is("@bee", "foo bar burbl blah"); # 54
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| 182 | {
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| 183 | my (undef,@bee) = @bee;
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| 184 | is("@bee", "bar burbl blah"); # 55
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| 185 | {
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| 186 | my @bee = ('XXX',@bee,'YYY');
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| 187 | is("@bee", "XXX bar burbl blah YYY"); # 56
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| 188 | {
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| 189 | my @bee = my @bee = qw(foo bar burbl blah);
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| 190 | is("@bee", "foo bar burbl blah"); # 57
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| 191 | {
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| 192 | my (@bim) = my(@bee) = qw(foo bar);
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| 193 | is("@bee", "foo bar"); # 58
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| 194 | is("@bim", "foo bar"); # 59
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| 195 | }
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| 196 | is("@bee", "foo bar burbl blah"); # 60
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| 197 | }
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| 198 | is("@bee", "XXX bar burbl blah YYY"); # 61
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| 199 | }
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| 200 | is("@bee", "bar burbl blah"); # 62
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| 201 | }
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| 202 | is("@bee", "foo bar burbl blah"); # 63
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| 203 | }
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| 204 |
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| 205 | # make sure reification behaves
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| 206 | my $t = curr_test();
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| 207 | sub reify { $_[1] = $t++; print "@_\n"; }
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| 208 | reify('ok');
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| 209 | reify('ok');
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| 210 |
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| 211 | curr_test($t);
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| 212 |
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| 213 | # qw() is no longer a runtime split, it's compiletime.
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| 214 | is (qw(foo bar snorfle)[2], 'snorfle');
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| 215 |
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| 216 | @ary = (12,23,34,45,56);
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| 217 |
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| 218 | is(shift(@ary), 12);
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| 219 | is(pop(@ary), 56);
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| 220 | is(push(@ary,56), 4);
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| 221 | is(unshift(@ary,12), 5);
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| 222 |
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| 223 | sub foo { "a" }
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| 224 | @foo=(foo())[0,0];
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| 225 | is ($foo[1], "a");
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| 226 |
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| 227 | # $[ should have the same effect regardless of whether the aelem
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| 228 | # op is optimized to aelemfast.
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| 229 |
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| 230 |
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| 231 |
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| 232 | sub tary {
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| 233 | local $[ = 10;
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| 234 | my $five = 5;
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| 235 | is ($tary[5], $tary[$five]);
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| 236 | }
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| 237 |
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| 238 | @tary = (0..50);
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| 239 | tary();
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| 240 |
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| 241 |
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| 242 | # bugid #15439 - clearing an array calls destructors which may try
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| 243 | # to modify the array - caused 'Attempt to free unreferenced scalar'
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| 244 |
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| 245 | my $got = runperl (
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| 246 | prog => q{
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| 247 | sub X::DESTROY { @a = () }
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| 248 | @a = (bless {}, 'X');
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| 249 | @a = ();
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| 250 | },
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| 251 | stderr => 1
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| 252 | );
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| 253 |
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| 254 | $got =~ s/\n/ /g;
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| 255 | is ($got, '');
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| 256 |
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| 257 | # Test negative and funky indices.
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| 258 |
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| 259 |
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| 260 | {
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| 261 | my @a = 0..4;
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| 262 | is($a[-1], 4);
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| 263 | is($a[-2], 3);
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| 264 | is($a[-5], 0);
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| 265 | ok(!defined $a[-6]);
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| 266 |
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| 267 | is($a[2.1] , 2);
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| 268 | is($a[2.9] , 2);
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| 269 | is($a[undef], 0);
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| 270 | is($a["3rd"], 3);
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| 271 | }
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| 272 |
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| 273 |
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| 274 | {
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| 275 | my @a;
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| 276 | eval '$a[-1] = 0';
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| 277 | like($@, qr/Modification of non-creatable array value attempted, subscript -1/, "\$a[-1] = 0");
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| 278 | }
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| 279 |
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| 280 | sub test_arylen {
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| 281 | my $ref = shift;
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| 282 | local $^W = 1;
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| 283 | is ($$ref, undef, "\$# on freed array is undef");
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| 284 | my @warn;
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| 285 | local $SIG{__WARN__} = sub {push @warn, "@_"};
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| 286 | $$ref = 1000;
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| 287 | is (scalar @warn, 1);
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| 288 | like ($warn[0], qr/^Attempt to set length of freed array/);
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| 289 | }
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| 290 |
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| 291 | {
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| 292 | my $a = \$#{[]};
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| 293 | # Need a new statement to make it go out of scope
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| 294 | test_arylen ($a);
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| 295 | test_arylen (do {my @a; \$#a});
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| 296 | }
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