3 # $RCSfile: local.t,v $$Revision: 4.1 $$Date: 92/08/07 18:28:04 $
7 $ENV{PERL_DESTRUCT_LEVEL} = 0; # XXX known to leaks scalars
14 { local($a,$c) = ("ok 9\n", "ok 10\n"); ($x, $y) = ($a, $c); }
24 print &foo("ok 1\n","ok 2\n");
26 print $a,$b,$c,$d,$x,$y;
28 # same thing, only with arrays and associative arrays
35 { local($a,@c) = ("ok 19\n", "ok 20\n"); ($x, $y) = ($a, @c); }
45 print &foo2("ok 11\n","ok 12\n");
47 print $a,@b,@c,%d,$x,$y;
50 print +($@ =~ /Can't localize through a reference/) ? "" : "not ", "ok 21\n";
53 print +($@ =~ /Can't localize through a reference/) ? "" : "not ", "ok 22\n";
56 print +($@ =~ /Can't localize through a reference/) ? "" : "not ", "ok 23\n";
58 # Array and hash elements
64 print +($a[1] eq 'foo') ? "" : "not ", "ok 24\n";
65 print +($a[2] eq 'c') ? "" : "not ", "ok 25\n";
68 print +($a[1] eq 'b') ? "" : "not ", "ok 26\n";
69 print +($a[2] eq 'c') ? "" : "not ", "ok 27\n";
70 print +(!defined $a[0]) ? "" : "not ", "ok 28\n";
77 print +($a[0].$a[1] eq "Xb") ? "" : "not ", "ok 29\n";
79 %h = ('a' => 1, 'b' => 2, 'c' => 3);
81 local($h{'a'}) = 'foo';
82 local($h{'b'}) = $h{'b'};
83 print +($h{'a'} eq 'foo') ? "" : "not ", "ok 30\n";
84 print +($h{'b'} == 2) ? "" : "not ", "ok 31\n";
88 print +($h{'a'} == 1) ? "" : "not ", "ok 32\n";
89 print +($h{'b'} == 2) ? "" : "not ", "ok 33\n";
90 print +($h{'c'} == 3) ? "" : "not ", "ok 34\n";
92 # check for scope leakage
94 if (1) { local $a = 'inner' }
95 print +($a eq 'outer') ? "" : "not ", "ok 35\n";
97 # see if localization works when scope unwinds
105 print $m == 5 ? "" : "not ", "ok 36\n";
107 # see if localization works on tied arrays
110 sub TIEARRAY { bless [], $_[0] }
111 sub STORE { print "# STORE [@_]\n"; $_[0]->[$_[1]] = $_[2] }
112 sub FETCH { my $v = $_[0]->[$_[1]]; print "# FETCH [@_=$v]\n"; $v }
113 sub CLEAR { print "# CLEAR [@_]\n"; @{$_[0]} = (); }
114 sub FETCHSIZE { scalar(@{$_[0]}) }
115 sub SHIFT { shift (@{$_[0]}) }
120 @a = ('a', 'b', 'c');
122 local($a[1]) = 'foo';
123 local($a[2]) = $a[2];
124 print +($a[1] eq 'foo') ? "" : "not ", "ok 37\n";
125 print +($a[2] eq 'c') ? "" : "not ", "ok 38\n";
128 print +($a[1] eq 'b') ? "" : "not ", "ok 39\n";
129 print +($a[2] eq 'c') ? "" : "not ", "ok 40\n";
130 print +(!defined $a[0]) ? "" : "not ", "ok 41\n";
134 sub TIEHASH { bless {}, $_[0] }
135 sub STORE { print "# STORE [@_]\n"; $_[0]->{$_[1]} = $_[2] }
136 sub FETCH { my $v = $_[0]->{$_[1]}; print "# FETCH [@_=$v]\n"; $v }
137 sub DELETE { print "# DELETE [@_]\n"; delete $_[0]->{$_[1]}; }
138 sub CLEAR { print "# CLEAR [@_]\n"; %{$_[0]} = (); }
141 # see if localization works on tied hashes
143 %h = ('a' => 1, 'b' => 2, 'c' => 3);
146 local($h{'a'}) = 'foo';
147 local($h{'b'}) = $h{'b'};
148 print +($h{'a'} eq 'foo') ? "" : "not ", "ok 42\n";
149 print +($h{'b'} == 2) ? "" : "not ", "ok 43\n";
153 print +($h{'a'} == 1) ? "" : "not ", "ok 44\n";
154 print +($h{'b'} == 2) ? "" : "not ", "ok 45\n";
155 print +($h{'c'} == 3) ? "" : "not ", "ok 46\n";
157 @a = ('a', 'b', 'c');
162 print +($a[0].$a[1] eq "Xb") ? "" : "not ", "ok 47\n";
164 # now try the same for %SIG
168 $SIG{__WARN__} = $SIG{INT};
170 local($SIG{TERM}) = $SIG{TERM};
171 local($SIG{INT}) = $SIG{INT};
172 local($SIG{__WARN__}) = $SIG{__WARN__};
173 print +($SIG{TERM} eq 'main::foo') ? "" : "not ", "ok 48\n";
174 print +($SIG{INT} eq \&foo) ? "" : "not ", "ok 49\n";
175 print +($SIG{__WARN__} eq \&foo) ? "" : "not ", "ok 50\n";
177 delete $SIG{__WARN__};
179 print +($SIG{TERM} eq 'main::foo') ? "" : "not ", "ok 51\n";
180 print +($SIG{INT} eq \&foo) ? "" : "not ", "ok 52\n";
181 print +($SIG{__WARN__} eq \&foo) ? "" : "not ", "ok 53\n";
189 local($ENV{_X_}) = 'foo';
190 local($ENV{_Y_}) = $ENV{_Y_};
191 print +($ENV{_X_} eq 'foo') ? "" : "not ", "ok 54\n";
192 print +($ENV{_Y_} eq 'b') ? "" : "not ", "ok 55\n";
196 print +($ENV{_X_} eq 'a') ? "" : "not ", "ok 56\n";
197 print +($ENV{_Y_} eq 'b') ? "" : "not ", "ok 57\n";
198 print +($ENV{_Z_} eq 'c') ? "" : "not ", "ok 58\n";