Eviscerate README.macos to match the state of the world
[p5sagit/p5-mst-13.2.git] / dist / Switch / t / switch.t
CommitLineData
3ed9f206 1use Carp;
2use Switch qw(__ fallthrough);
3
3961318e 4my($C,$M);sub ok{$C++;$M.=$_[0]?"ok $C\n":"not ok $C (line ".(caller)[2].")\n"}
5END{print"1..$C\n$M"}
3ed9f206 6
7# NON-case THINGS;
8
9$case->{case} = { case => "case" };
10
11*case = \&case;
12
13# PREMATURE case
14
15eval { case 1 { ok(0) }; ok(0) } || ok(1);
16
17# H.O. FUNCS
18
19switch (__ > 2) {
20
21 case 1 { ok(0) } else { ok(1) }
22 case 2 { ok(0) } else { ok(1) }
23 case 3 { ok(1) } else { ok(0) }
24}
25
26switch (3) {
27
28 eval { case __ <= 1 || __ > 2 { ok(0) } } || ok(1);
29 case __ <= 2 { ok(0) };
30 case __ <= 3 { ok(1) };
31}
32
33# POSSIBLE ARGS: NUMERIC, STRING, ARRAY, HASH, REGEX, CODE
34
35# 1. NUMERIC SWITCH
36
37for (1..3)
38{
39 switch ($_) {
40 # SELF
41 case ($_) { ok(1) } else { ok(0) }
42
43 # NUMERIC
44 case (1) { ok ($_==1) } else { ok($_!=1) }
45 case 1 { ok ($_==1) } else { ok($_!=1) }
46 case (3) { ok ($_==3) } else { ok($_!=3) }
47 case (4) { ok (0) } else { ok(1) }
48 case (2) { ok ($_==2) } else { ok($_!=2) }
49
50 # STRING
51 case ('a') { ok (0) } else { ok(1) }
52 case 'a' { ok (0) } else { ok(1) }
53 case ('3') { ok ($_ == 3) } else { ok($_ != 3) }
54 case ('3.0') { ok (0) } else { ok(1) }
55
56 # ARRAY
57 case ([10,5,1]) { ok ($_==1) } else { ok($_!=1) }
58 case [10,5,1] { ok ($_==1) } else { ok($_!=1) }
59 case (['a','b']) { ok (0) } else { ok(1) }
60 case (['a','b',3]) { ok ($_==3) } else { ok ($_!=3) }
61 case (['a','b',2.0]) { ok ($_==2) } else { ok ($_!=2) }
62 case ([]) { ok (0) } else { ok(1) }
63
64 # HASH
65 case ({}) { ok (0) } else { ok (1) }
66 case {} { ok (0) } else { ok (1) }
67 case {1,1} { ok ($_==1) } else { ok($_!=1) }
68 case ({1=>1, 2=>0}) { ok ($_==1) } else { ok($_!=1) }
69
70 # SUB/BLOCK
71 case (sub {$_[0]==2}) { ok ($_==2) } else { ok($_!=2) }
72 case {$_[0]==2} { ok ($_==2) } else { ok($_!=2) }
73 case {0} { ok (0) } else { ok (1) } # ; -> SUB, NOT HASH
74 case {1} { ok (1) } else { ok (0) } # ; -> SUB, NOT HASH
75 }
76}
77
78
79# 2. STRING SWITCH
80
81for ('a'..'c','1')
82{
83 switch ($_) {
84 # SELF
85 case ($_) { ok(1) } else { ok(0) }
86
87 # NUMERIC
88 case (1) { ok ($_ !~ /[a-c]/) } else { ok ($_ =~ /[a-c]/) }
89 case (1.0) { ok ($_ !~ /[a-c]/) } else { ok ($_ =~ /[a-c]/) }
90
91 # STRING
92 case ('a') { ok ($_ eq 'a') } else { ok($_ ne 'a') }
93 case ('b') { ok ($_ eq 'b') } else { ok($_ ne 'b') }
94 case ('c') { ok ($_ eq 'c') } else { ok($_ ne 'c') }
95 case ('1') { ok ($_ eq '1') } else { ok($_ ne '1') }
96 case ('d') { ok (0) } else { ok (1) }
97
98 # ARRAY
99 case (['a','1']) { ok ($_ eq 'a' || $_ eq '1') }
100 else { ok ($_ ne 'a' && $_ ne '1') }
101 case (['z','2']) { ok (0) } else { ok(1) }
102 case ([]) { ok (0) } else { ok(1) }
103
104 # HASH
105 case ({}) { ok (0) } else { ok (1) }
106 case ({a=>'a', 1=>1, 2=>0}) { ok ($_ eq 'a' || $_ eq '1') }
107 else { ok ($_ ne 'a' && $_ ne '1') }
108
109 # SUB/BLOCK
110 case (sub{$_[0] eq 'a' }) { ok ($_ eq 'a') }
111 else { ok($_ ne 'a') }
112 case {$_[0] eq 'a'} { ok ($_ eq 'a') } else { ok($_ ne 'a') }
113 case {0} { ok (0) } else { ok (1) } # ; -> SUB, NOT HASH
114 case {1} { ok (1) } else { ok (0) } # ; -> SUB, NOT HASH
115 }
116}
117
118
119# 3. ARRAY SWITCH
120
121my $iteration = 0;
122for ([],[1,'a'],[2,'b'])
123{
124 switch ($_) {
125 $iteration++;
126 # SELF
127 case ($_) { ok(1) }
128
129 # NUMERIC
130 case (1) { ok ($iteration==2) } else { ok ($iteration!=2) }
131 case (1.0) { ok ($iteration==2) } else { ok ($iteration!=2) }
132
133 # STRING
134 case ('a') { ok ($iteration==2) } else { ok ($iteration!=2) }
135 case ('b') { ok ($iteration==3) } else { ok ($iteration!=3) }
136 case ('1') { ok ($iteration==2) } else { ok ($iteration!=2) }
137
138 # ARRAY
139 case (['a',2]) { ok ($iteration>=2) } else { ok ($iteration<2) }
140 case ([1,'a']) { ok ($iteration==2) } else { ok($iteration!=2) }
141 case ([]) { ok (0) } else { ok(1) }
142 case ([7..100]) { ok (0) } else { ok(1) }
143
144 # HASH
145 case ({}) { ok (0) } else { ok (1) }
146 case ({a=>'a', 1=>1, 2=>0}) { ok ($iteration==2) }
147 else { ok ($iteration!=2) }
148
149 # SUB/BLOCK
150 case {scalar grep /a/, @_} { ok ($iteration==2) }
151 else { ok ($iteration!=2) }
152 case (sub {scalar grep /a/, @_ }) { ok ($iteration==2) }
153 else { ok ($iteration!=2) }
154 case {0} { ok (0) } else { ok (1) } # ; -> SUB, NOT HASH
155 case {1} { ok (1) } else { ok (0) } # ; -> SUB, NOT HASH
156 }
157}
158
159
160# 4. HASH SWITCH
161
162$iteration = 0;
163for ({},{a=>1,b=>0})
164{
165 switch ($_) {
166 $iteration++;
167
168 # SELF
169 case ($_) { ok(1) } else { ok(0) }
170
171 # NUMERIC
172 case (1) { ok (0) } else { ok (1) }
173 case (1.0) { ok (0) } else { ok (1) }
174
175 # STRING
176 case ('a') { ok ($iteration==2) } else { ok ($iteration!=2) }
177 case ('b') { ok (0) } else { ok (1) }
178 case ('c') { ok (0) } else { ok (1) }
179
180 # ARRAY
181 case (['a',2]) { ok ($iteration==2) }
182 else { ok ($iteration!=2) }
183 case (['b','a']) { ok ($iteration==2) }
184 else { ok ($iteration!=2) }
185 case (['b','c']) { ok (0) } else { ok (1) }
186 case ([]) { ok (0) } else { ok(1) }
187 case ([7..100]) { ok (0) } else { ok(1) }
188
189 # HASH
190 case ({}) { ok (0) } else { ok (1) }
191 case ({a=>'a', 1=>1, 2=>0}) { ok (0) } else { ok (1) }
192
193 # SUB/BLOCK
194 case {$_[0]{a}} { ok ($iteration==2) }
195 else { ok ($iteration!=2) }
196 case (sub {$_[0]{a}}) { ok ($iteration==2) }
197 else { ok ($iteration!=2) }
198 case {0} { ok (0) } else { ok (1) } # ; -> SUB, NOT HASH
199 case {1} { ok (1) } else { ok (0) } # ; -> SUB, NOT HASH
200 }
201}
202
203
204# 5. CODE SWITCH
205
206$iteration = 0;
207for ( sub {1},
208 sub { return 0 unless @_;
209 my ($data) = @_;
210 my $type = ref $data;
211 return $type eq 'HASH' && $data->{a}
212 || $type eq 'Regexp' && 'a' =~ /$data/
213 || $type eq "" && $data eq '1';
214 },
215 sub {0} )
216{
217 switch ($_) {
218 $iteration++;
219 # SELF
220 case ($_) { ok(1) } else { ok(0) }
221
222 # NUMERIC
223 case (1) { ok ($iteration<=2) } else { ok ($iteration>2) }
224 case (1.0) { ok ($iteration<=2) } else { ok ($iteration>2) }
225 case (1.1) { ok ($iteration==1) } else { ok ($iteration!=1) }
226
227 # STRING
228 case ('a') { ok ($iteration==1) } else { ok ($iteration!=1) }
229 case ('b') { ok ($iteration==1) } else { ok ($iteration!=1) }
230 case ('c') { ok ($iteration==1) } else { ok ($iteration!=1) }
231 case ('1') { ok ($iteration<=2) } else { ok ($iteration>2) }
232
233 # ARRAY
234 case ([1, 'a']) { ok ($iteration<=2) }
235 else { ok ($iteration>2) }
236 case (['b','a']) { ok ($iteration==1) }
237 else { ok ($iteration!=1) }
238 case (['b','c']) { ok ($iteration==1) }
239 else { ok ($iteration!=1) }
240 case ([]) { ok ($iteration==1) } else { ok($iteration!=1) }
241 case ([7..100]) { ok ($iteration==1) }
242 else { ok($iteration!=1) }
243
244 # HASH
245 case ({}) { ok ($iteration==1) } else { ok ($iteration!=1) }
246 case ({a=>'a', 1=>1, 2=>0}) { ok ($iteration<=2) }
247 else { ok ($iteration>2) }
248
249 # SUB/BLOCK
250 case {$_[0]->{a}} { ok (0) } else { ok (1) }
251 case (sub {$_[0]{a}}) { ok (0) } else { ok (1) }
252 case {0} { ok (0) } else { ok (1) } # ; -> SUB, NOT HASH
253 case {1} { ok (0) } else { ok (1) } # ; -> SUB, NOT HASH
254 }
255}
256
257
258# NESTED SWITCHES
259
260for my $count (1..3)
261{
262 switch ([9,"a",11]) {
263 case (qr/\d/) {
264 switch ($count) {
265 case (1) { ok($count==1) }
266 else { ok($count!=1) }
267 case ([5,6]) { ok(0) } else { ok(1) }
268 }
269 }
270 ok(1) case (11);
271 }
272}