#!./perl
+BEGIN {
+ chdir 't' if -d 't';
+ @INC = '../lib';
+ require './test.pl';
+}
+
@tests = split(/\n/, <<EOF);
0 3, 0 1 2, 3 4 5 6 7
0 0 a b c, , a b c 0 1 2 3 4 5 6 7
-4, 4 5 6 7, 0 1 2 3
EOF
-print "1..", 4 + @tests, "\n";
+plan tests => 14 + @tests*4;
die "blech" unless @tests;
@x = (1,2,3);
push(@x,@x);
-if (join(':',@x) eq '1:2:3:1:2:3') {print "ok 1\n";} else {print "not ok 1\n";}
+is( join(':',@x), '1:2:3:1:2:3', 'push array onto array');
push(@x,4);
-if (join(':',@x) eq '1:2:3:1:2:3:4') {print "ok 2\n";} else {print "not ok 2\n";}
+is( join(':',@x), '1:2:3:1:2:3:4', 'push integer onto array');
+
+no warnings 'experimental::autoderef';
+
+# test for push/pop on arrayref
+push(\@x,5);
+is( join(':',@x), '1:2:3:1:2:3:4:5', 'push arrayref');
+pop(\@x);
+is( join(':',@x), '1:2:3:1:2:3:4', 'pop arrayref');
+
+# test autovivification
+push @$undef1, 1, 2, 3;
+is( join(':',@$undef1), '1:2:3', 'autovivify array');
+
+# test push on undef (error)
+eval { push $undef2, 1, 2, 3 };
+like( $@, qr/Not an ARRAY/, 'push on undef generates an error');
+
+# test constant
+use constant CONST_ARRAYREF => [qw/a b c/];
+push CONST_ARRAYREF(), qw/d e f/;
+is( join(':',@{CONST_ARRAYREF()}), 'a:b:c:d:e:f', 'test constant');
+
+# test implicit dereference errors
+eval "push 42, 0, 1, 2, 3";
+like ( $@, qr/must be array/, 'push onto a literal integer');
-# test for push/pop intuiting @ on array
-push(x,3);
-if (join(':',@x) eq '1:2:3:1:2:3:4:3') {print "ok 3\n";} else {print "not ok 3\n";}
-pop(x);
-if (join(':',@x) eq '1:2:3:1:2:3:4') {print "ok 4\n";} else {print "not ok 4\n";}
+$hashref = { };
+eval { push $hashref, 0, 1, 2, 3 };
+like( $@, qr/Not an ARRAY reference/, 'push onto a hashref');
+
+eval { push bless([]), 0, 1, 2, 3 };
+like( $@, qr/Not an unblessed ARRAY reference/, 'push onto a blessed array ref');
+
+$test = 13;
+
+# test context
+{
+ my($first, $second) = ([1], [2]);
+ sub two_things { return +($first, $second) }
+ push two_things(), 3;
+ is( join(':',@$first), '1', "\$first = [ @$first ];");
+ is( join(':',@$second), '2:3', "\$second = [ @$second ]");
+
+ push @{ two_things() }, 4;
+ is( join(':',@$first), '1', "\$first = [ @$first ];");
+ is( join(':',@$second), '2:3:4', "\$second = [ @$second ]");
+}
-$test = 5;
foreach $line (@tests) {
($list,$get,$leave) = split(/,\t*/,$line);
($pos, $len, @list) = split(' ',$list);
@get = split(' ',$get);
@leave = split(' ',$leave);
@x = (0,1,2,3,4,5,6,7);
+ $y = [0,1,2,3,4,5,6,7];
if (defined $len) {
@got = splice(@x, $pos, $len, @list);
+ @got2 = splice($y, $pos, $len, @list);
}
else {
@got = splice(@x, $pos);
+ @got2 = splice($y, $pos);
}
- if (join(':',@got) eq join(':',@get) &&
- join(':',@x) eq join(':',@leave)) {
- print "ok ",$test++,"\n";
- }
- else {
- print "not ok ",$test++," got: @got == @get left: @x == @leave\n";
- }
+ is(join(':',@got), join(':',@get), "got: @got == @get");
+ is(join(':',@x), join(':',@leave), "left: @x == @leave");
+ is(join(':',@got2), join(':',@get), "ref got: @got2 == @get");
+ is(join(':',@$y), join(':',@leave), "ref left: @$y == @leave");
}
1; # this file is require'd by lib/tie-stdpush.t