Commit | Line | Data |
a687059c |
1 | #!./perl |
2 | |
9c007264 |
3 | BEGIN { |
4 | chdir 't' if -d 't'; |
93430cb4 |
5 | unshift @INC, '../lib'; |
9c007264 |
6 | } |
e507f050 |
7 | print "1..38\n"; |
a687059c |
8 | |
f63ceb1c |
9 | # XXX known to leak scalars |
10 | $ENV{PERL_DESTRUCT_LEVEL} = 0 unless $ENV{PERL_DESTRUCT_LEVEL} > 3; |
11 | |
2f52a358 |
12 | sub backwards { $a lt $b ? 1 : $a gt $b ? -1 : 0 } |
a687059c |
13 | |
9d116dd7 |
14 | my $upperfirst = 'A' lt 'a'; |
15 | |
16 | # Beware: in future this may become hairier because of possible |
17 | # collation complications: qw(A a B c) can be sorted at least as |
18 | # any of the following |
19 | # |
20 | # A a B b |
21 | # A B a b |
22 | # a b A B |
23 | # a A b B |
24 | # |
25 | # All the above orders make sense. |
26 | # |
27 | # That said, EBCDIC sorts all small letters first, as opposed |
28 | # to ASCII which sorts all big letters first. |
29 | |
a687059c |
30 | @harry = ('dog','cat','x','Cain','Abel'); |
2f52a358 |
31 | @george = ('gone','chased','yz','punished','Axed'); |
a687059c |
32 | |
33 | $x = join('', sort @harry); |
9d116dd7 |
34 | $expected = $upperfirst ? 'AbelCaincatdogx' : 'catdogxAbelCain'; |
35 | print "# 1: x = '$x', expected = '$expected'\n"; |
36 | print ($x eq $expected ? "ok 1\n" : "not ok 1\n"); |
a687059c |
37 | |
a0d0e21e |
38 | $x = join('', sort( backwards @harry)); |
9d116dd7 |
39 | $expected = $upperfirst ? 'xdogcatCainAbel' : 'CainAbelxdogcat'; |
40 | print "# 2: x = '$x', expected = '$expected'\n"; |
41 | print ($x eq $expected ? "ok 2\n" : "not ok 2\n"); |
a687059c |
42 | |
43 | $x = join('', sort @george, 'to', @harry); |
9d116dd7 |
44 | $expected = $upperfirst ? |
45 | 'AbelAxedCaincatchaseddoggonepunishedtoxyz' : |
46 | 'catchaseddoggonepunishedtoxyzAbelAxedCain' ; |
47 | print "# 3: x = '$x', expected = '$expected'\n"; |
48 | print ($x eq $expected ?"ok 3\n":"not ok 3\n"); |
03a14243 |
49 | |
50 | @a = (); |
51 | @b = reverse @a; |
52 | print ("@b" eq "" ? "ok 4\n" : "not ok 4 (@b)\n"); |
53 | |
54 | @a = (1); |
55 | @b = reverse @a; |
56 | print ("@b" eq "1" ? "ok 5\n" : "not ok 5 (@b)\n"); |
57 | |
58 | @a = (1,2); |
59 | @b = reverse @a; |
60 | print ("@b" eq "2 1" ? "ok 6\n" : "not ok 6 (@b)\n"); |
61 | |
62 | @a = (1,2,3); |
63 | @b = reverse @a; |
64 | print ("@b" eq "3 2 1" ? "ok 7\n" : "not ok 7 (@b)\n"); |
65 | |
66 | @a = (1,2,3,4); |
67 | @b = reverse @a; |
68 | print ("@b" eq "4 3 2 1" ? "ok 8\n" : "not ok 8 (@b)\n"); |
55204971 |
69 | |
70 | @a = (10,2,3,4); |
71 | @b = sort {$a <=> $b;} @a; |
72 | print ("@b" eq "2 3 4 10" ? "ok 9\n" : "not ok 9 (@b)\n"); |
988174c1 |
73 | |
463ee0b2 |
74 | $sub = 'backwards'; |
988174c1 |
75 | $x = join('', sort $sub @harry); |
9d116dd7 |
76 | $expected = $upperfirst ? 'xdogcatCainAbel' : 'CainAbelxdogcat'; |
77 | print "# 10: x = $x, expected = '$expected'\n"; |
78 | print ($x eq $expected ? "ok 10\n" : "not ok 10\n"); |
988174c1 |
79 | |
cd5de442 |
80 | # literals, combinations |
81 | |
82 | @b = sort (4,1,3,2); |
83 | print ("@b" eq '1 2 3 4' ? "ok 11\n" : "not ok 11\n"); |
84 | print "# x = '@b'\n"; |
85 | |
86 | @b = sort grep { $_ } (4,1,3,2); |
87 | print ("@b" eq '1 2 3 4' ? "ok 12\n" : "not ok 12\n"); |
88 | print "# x = '@b'\n"; |
89 | |
90 | @b = sort map { $_ } (4,1,3,2); |
91 | print ("@b" eq '1 2 3 4' ? "ok 13\n" : "not ok 13\n"); |
92 | print "# x = '@b'\n"; |
93 | |
94 | @b = sort reverse (4,1,3,2); |
95 | print ("@b" eq '1 2 3 4' ? "ok 14\n" : "not ok 14\n"); |
96 | print "# x = '@b'\n"; |
7bac28a0 |
97 | |
98 | $^W = 0; |
99 | # redefining sort sub inside the sort sub should fail |
100 | sub twoface { *twoface = sub { $a <=> $b }; &twoface } |
101 | eval { @b = sort twoface 4,1,3,2 }; |
102 | print ($@ =~ /redefine active sort/ ? "ok 15\n" : "not ok 15\n"); |
103 | |
104 | # redefining sort subs outside the sort should not fail |
105 | eval { *twoface = sub { &backwards } }; |
106 | print $@ ? "not ok 16\n" : "ok 16\n"; |
107 | |
108 | eval { @b = sort twoface 4,1,3,2 }; |
109 | print ("@b" eq '4 3 2 1' ? "ok 17\n" : "not ok 17 |@b|\n"); |
110 | |
111 | *twoface = sub { *twoface = *backwards; $a <=> $b }; |
112 | eval { @b = sort twoface 4,1 }; |
113 | print ($@ =~ /redefine active sort/ ? "ok 18\n" : "not ok 18\n"); |
114 | |
115 | *twoface = sub { |
116 | eval 'sub twoface { $a <=> $b }'; |
117 | die($@ =~ /redefine active sort/ ? "ok 19\n" : "not ok 19\n"); |
118 | $a <=> $b; |
119 | }; |
120 | eval { @b = sort twoface 4,1 }; |
121 | print $@ ? "$@" : "not ok 19\n"; |
15f0808c |
122 | |
123 | eval <<'CODE'; |
124 | my @result = sort main'backwards 'one', 'two'; |
125 | CODE |
126 | print $@ ? "not ok 20\n# $@" : "ok 20\n"; |
127 | |
128 | eval <<'CODE'; |
129 | # "sort 'one', 'two'" should not try to parse "'one" as a sort sub |
130 | my @result = sort 'one', 'two'; |
131 | CODE |
132 | print $@ ? "not ok 21\n# $@" : "ok 21\n"; |
c6e96bcb |
133 | |
134 | { |
135 | my $sortsub = \&backwards; |
136 | my $sortglob = *backwards; |
62f274bf |
137 | my $sortglobr = \*backwards; |
c6e96bcb |
138 | my $sortname = 'backwards'; |
139 | @b = sort $sortsub 4,1,3,2; |
140 | print ("@b" eq '4 3 2 1' ? "ok 22\n" : "not ok 22 |@b|\n"); |
141 | @b = sort $sortglob 4,1,3,2; |
142 | print ("@b" eq '4 3 2 1' ? "ok 23\n" : "not ok 23 |@b|\n"); |
143 | @b = sort $sortname 4,1,3,2; |
144 | print ("@b" eq '4 3 2 1' ? "ok 24\n" : "not ok 24 |@b|\n"); |
62f274bf |
145 | @b = sort $sortglobr 4,1,3,2; |
146 | print ("@b" eq '4 3 2 1' ? "ok 25\n" : "not ok 25 |@b|\n"); |
c6e96bcb |
147 | } |
148 | |
149 | { |
150 | local $sortsub = \&backwards; |
151 | local $sortglob = *backwards; |
62f274bf |
152 | local $sortglobr = \*backwards; |
c6e96bcb |
153 | local $sortname = 'backwards'; |
154 | @b = sort $sortsub 4,1,3,2; |
62f274bf |
155 | print ("@b" eq '4 3 2 1' ? "ok 26\n" : "not ok 26 |@b|\n"); |
c6e96bcb |
156 | @b = sort $sortglob 4,1,3,2; |
62f274bf |
157 | print ("@b" eq '4 3 2 1' ? "ok 27\n" : "not ok 27 |@b|\n"); |
c6e96bcb |
158 | @b = sort $sortname 4,1,3,2; |
62f274bf |
159 | print ("@b" eq '4 3 2 1' ? "ok 28\n" : "not ok 28 |@b|\n"); |
160 | @b = sort $sortglobr 4,1,3,2; |
161 | print ("@b" eq '4 3 2 1' ? "ok 29\n" : "not ok 29 |@b|\n"); |
c6e96bcb |
162 | } |
163 | |
9c007264 |
164 | ## exercise sort builtins... ($a <=> $b already tested) |
165 | @a = ( 5, 19, 1996, 255, 90 ); |
166 | @b = sort { $b <=> $a } @a; |
167 | print ("@b" eq '1996 255 90 19 5' ? "ok 30\n" : "not ok 30\n"); |
168 | print "# x = '@b'\n"; |
169 | $x = join('', sort { $a cmp $b } @harry); |
170 | $expected = $upperfirst ? 'AbelCaincatdogx' : 'catdogxAbelCain'; |
171 | print ($x eq $expected ? "ok 31\n" : "not ok 31\n"); |
172 | print "# x = '$x'; expected = '$expected'\n"; |
173 | $x = join('', sort { $b cmp $a } @harry); |
174 | $expected = $upperfirst ? 'xdogcatCainAbel' : 'CainAbelxdogcat'; |
175 | print ($x eq $expected ? "ok 32\n" : "not ok 32\n"); |
176 | print "# x = '$x'; expected = '$expected'\n"; |
177 | { |
178 | use integer; |
179 | @b = sort { $a <=> $b } @a; |
180 | print ("@b" eq '5 19 90 255 1996' ? "ok 33\n" : "not ok 33\n"); |
181 | print "# x = '@b'\n"; |
182 | @b = sort { $b <=> $a } @a; |
183 | print ("@b" eq '1996 255 90 19 5' ? "ok 34\n" : "not ok 34\n"); |
184 | print "# x = '@b'\n"; |
185 | $x = join('', sort { $a cmp $b } @harry); |
186 | $expected = $upperfirst ? 'AbelCaincatdogx' : 'catdogxAbelCain'; |
187 | print ($x eq $expected ? "ok 35\n" : "not ok 35\n"); |
188 | print "# x = '$x'; expected = '$expected'\n"; |
189 | $x = join('', sort { $b cmp $a } @harry); |
190 | $expected = $upperfirst ? 'xdogcatCainAbel' : 'CainAbelxdogcat'; |
191 | print ($x eq $expected ? "ok 36\n" : "not ok 36\n"); |
192 | print "# x = '$x'; expected = '$expected'\n"; |
193 | } |
e507f050 |
194 | |
195 | # test that an optimized-away comparison block doesn't take any other |
196 | # arguments away with it |
197 | $x = join('', sort { $a <=> $b } 3, 1, 2); |
198 | print $x eq "123" ? "ok 37\n" : "not ok 37\n"; |
199 | |
9c007264 |
200 | # test sorting in non-main package |
201 | package Foo; |
202 | @a = ( 5, 19, 1996, 255, 90 ); |
203 | @b = sort { $b <=> $a } @a; |
e507f050 |
204 | print ("@b" eq '1996 255 90 19 5' ? "ok 38\n" : "not ok 38\n"); |
9c007264 |
205 | print "# x = '@b'\n"; |