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1 | #!./perl -w |
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2 | # |
3 | # Copyright 2002, Larry Wall. |
4 | # |
5 | # You may redistribute only under the same terms as Perl 5, as specified |
6 | # in the README file that comes with the distribution. |
7 | # |
8 | |
9 | # I ought to keep this test easily backwards compatible to 5.004, so no |
10 | # qr//; |
11 | |
12 | # This test checks whether the kludge to interwork with 5.6 Storables compiled |
13 | # on Unix systems with IV as long long works. |
14 | |
15 | sub BEGIN { |
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16 | unshift @INC, 't'; |
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17 | require Config; import Config; |
18 | if ($ENV{PERL_CORE} and $Config{'extensions'} !~ /\bStorable\b/) { |
19 | print "1..0 # Skip: Storable was not built\n"; |
20 | exit 0; |
21 | } |
22 | unless ($Config{ivsize} and $Config{ivsize} > $Config{longsize}) { |
23 | print "1..0 # Skip: Your IVs are no larger than your longs\n"; |
24 | exit 0; |
25 | } |
26 | } |
27 | |
28 | use Storable qw(freeze thaw); |
29 | use strict; |
30 | use Test::More tests=>30; |
31 | |
32 | use vars qw(%tests); |
33 | |
34 | { |
35 | local $/ = "\n\nend\n"; |
36 | while (<DATA>) { |
37 | next unless /\S/s; |
38 | unless (/begin ([0-7]{3}) ([^\n]*)\n(.*)$/s) { |
39 | s/\n.*//s; |
40 | warn "Dodgy data in section starting '$_'"; |
41 | next; |
42 | } |
43 | next unless oct $1 == ord 'A'; # Skip ASCII on EBCDIC, and vice versa |
44 | my $data = unpack 'u', $3; |
45 | $tests{$2} = $data; |
46 | } |
47 | } |
48 | |
49 | # perl makes easy things easy, and hard things possible: |
50 | my $test = freeze \'Hell'; |
51 | |
52 | my $header = Storable::read_magic ($test); |
53 | |
54 | is ($header->{byteorder}, $Config{byteorder}, |
55 | "header's byteorder and Config.pm's should agree"); |
56 | |
57 | my $result = eval {thaw $test}; |
58 | isa_ok ($result, 'SCALAR', "Check thawing test data"); |
59 | is ($@, '', "causes no errors"); |
60 | is ($$result, 'Hell', 'and gives the expected data'); |
61 | |
62 | my $kingdom = $Config{byteorder} =~ /23/ ? "Lillput" : "Belfuscu"; |
63 | |
64 | my $name = join ',', $kingdom, @$header{qw(intsize longsize ptrsize nvsize)}; |
65 | |
66 | SKIP: { |
67 | my $real_thing = $tests{$name}; |
68 | if (!defined $real_thing) { |
69 | print << "EOM"; |
70 | # No test data for Storable 1.x for: |
71 | # |
72 | # byteorder '$Config{byteorder}' |
73 | # sizeof(int) $$header{intsize} |
74 | # sizeof(long) $$header{longsize} |
75 | # sizeof(char *) $$header{ptrsize} |
76 | # sizeof(NV) $$header{nvsize} |
77 | |
78 | # If you have Storable 1.x built with perl 5.6.x on this platform, please |
79 | # make_56_interwork.pl to generate test data, and append the test data to |
80 | # this test. |
81 | # You may find that make_56_interwork.pl reports that your platform has no |
82 | # interworking problems, in which case you need do nothing. |
83 | EOM |
84 | skip "# No 1.x test file", 9; |
85 | } |
86 | my $result = eval {thaw $real_thing}; |
87 | is ($result, undef, "By default should not be able to thaw"); |
88 | like ($@, qr/Byte order is not compatible/, |
89 | "because the header byte order strings differ"); |
90 | local $Storable::interwork_56_64bit = 1; |
91 | $result = eval {thaw $real_thing}; |
92 | isa_ok ($result, 'ARRAY', "With flag should now thaw"); |
93 | is ($@, '', "with no errors"); |
94 | |
95 | # However, as the file is written with Storable pre 2.01, it's a known |
96 | # bug that large (positive) UVs become IVs |
97 | my $value = (~0 ^ (~0 >> 1) ^ 2); |
98 | |
99 | is (@$result, 4, "4 elements in array"); |
100 | like ($$result[0], |
101 | qr/^This file was written with [0-9.]+ on perl [0-9.]+\z/, |
102 | "1st element"); |
103 | is ($$result[1], "$kingdom was correct", "2nd element"); |
104 | cmp_ok ($$result[2] ^ $value, '==', 0, "3rd element") or |
105 | printf "# expected %#X, got %#X\n", $value, $$result[2]; |
106 | is ($$result[3], "The End", "4th element"); |
107 | } |
108 | |
109 | $result = eval {thaw $test}; |
110 | isa_ok ($result, 'SCALAR', "CHORUS: check thawing test data"); |
111 | is ($@, '', " causes no errors"); |
112 | is ($$result, 'Hell', " and gives the expected data"); |
113 | |
114 | my $test_kludge; |
115 | { |
116 | local $Storable::interwork_56_64bit = 1; |
117 | $test_kludge = freeze \'Heck'; |
118 | } |
119 | |
120 | my $header_kludge = Storable::read_magic ($test_kludge); |
121 | |
122 | cmp_ok (length ($header_kludge->{byteorder}), '==', $Config{longsize}, |
123 | "With 5.6 interwork kludge byteorder string should be same size as long" |
124 | ); |
125 | $result = eval {thaw $test_kludge}; |
126 | is ($result, undef, "By default should not be able to thaw"); |
127 | like ($@, qr/Byte order is not compatible/, |
128 | "because the header byte order strings differ"); |
129 | |
130 | $result = eval {thaw $test}; |
131 | isa_ok ($result, 'SCALAR', "CHORUS: check thawing test data"); |
132 | is ($@, '', " causes no errors"); |
133 | is ($$result, 'Hell', " and gives the expected data"); |
134 | |
135 | { |
136 | local $Storable::interwork_56_64bit = 1; |
137 | |
138 | $result = eval {thaw $test_kludge}; |
139 | isa_ok ($result, 'SCALAR', "should be able to thaw kludge data"); |
140 | is ($@, '', "with no errors"); |
141 | is ($$result, 'Heck', "and gives expected data"); |
142 | |
143 | $result = eval {thaw $test}; |
144 | is ($result, undef, "But now can't thaw real data"); |
145 | like ($@, qr/Byte order is not compatible/, |
146 | "because the header byte order strings differ"); |
147 | } |
148 | |
149 | # All together now: |
150 | $result = eval {thaw $test}; |
151 | isa_ok ($result, 'SCALAR', "CHORUS: check thawing test data"); |
152 | is ($@, '', " causes no errors"); |
153 | is ($$result, 'Hell', " and gives the expected data"); |
154 | |
155 | __END__ |
156 | # A whole run of 1.1.14 freeze data, uuencoded. The "mode bits" are the octal |
157 | # value of 'A', the "file name" is the test name. Use make_56_interwork.pl |
158 | # with a copy of Storable 1.X generate these. |
159 | |
160 | # byteorder '1234' |
161 | # sizeof(int) 4 |
162 | # sizeof(long) 4 |
163 | # sizeof(char *) 4 |
164 | # sizeof(NV) 8 |
165 | begin 101 Lillput,4,4,4,8 |
166 | M!`0$,3(S-`0$!`@"!`````HQ5&AI<R!F:6QE('=A<R!W<FET=&5N('=I=&@@ |
167 | M,2XP,30@;VX@<&5R;"`U+C`P-C`P,0H33&EL;'!U="!W87,@8V]R<F5C=`8" |
168 | 0````````@`H'5&AE($5N9``` |
169 | |
170 | end |
171 | |
172 | # byteorder '4321' |
173 | # sizeof(int) 4 |
174 | # sizeof(long) 4 |
175 | # sizeof(char *) 4 |
176 | # sizeof(NV) 8 |
177 | begin 101 Belfuscu,4,4,4,8 |
178 | M!`0$-#,R,00$!`@"````!`HQ5&AI<R!F:6QE('=A<R!W<FET=&5N('=I=&@@ |
179 | M,2XP,30@;VX@<&5R;"`U+C`P-C`P,0H40F5L9G5S8W4@=V%S(&-O<G)E8W0& |
180 | 1@`````````(*!U1H92!%;F0` |
181 | |
182 | end |
183 | |
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184 | # byteorder '1234' |
185 | # sizeof(int) 4 |
186 | # sizeof(long) 4 |
187 | # sizeof(char *) 4 |
188 | # sizeof(NV) 12 |
189 | begin 101 Lillput,4,4,4,12 |
190 | M!`0$,3(S-`0$!`P"!`````HQ5&AI<R!F:6QE('=A<R!W<FET=&5N('=I=&@@ |
191 | M,2XP,30@;VX@<&5R;"`U+C`P-C`P,0H33&EL;'!U="!W87,@8V]R<F5C=`8" |
192 | 0````````@`H'5&AE($5N9``` |
193 | |
194 | end |
195 | |