Start 1.33.0 development cycle
[oweals/busybox.git] / testsuite / bc.tests
1 #!/bin/sh
2 # Copyright 2018 by Denys Vlasenko
3 # Licensed under GPLv2 or later, see file LICENSE in this source tree.
4
5 . ./testing.sh
6
7 # testing "test name" "command" "expected result" "file input" "stdin"
8
9 testing "bc comment" \
10         "bc" \
11         "3\n" \
12         "" "1 /* comment */ + 2"
13
14 testing "bc /*/ is not a closed comment" \
15         "bc" \
16         "4\n" \
17         "" "1 /*/ + 2 */ + 3"
18
19 # this needs interactive testing
20 testing "bc comment with \"" \
21         "bc" \
22         "3\n" \
23         "" "1 /* \" */ + 2"
24
25 # this needs interactive testing
26 testing "bc \"string/*\" is not a comment" \
27         "bc" \
28         "string/*9\n" \
29         "" "\"string/*\";9"
30
31 testing "bc comment 3: unterminated #comment" \
32         "bc" \
33         "" \
34         "" "#foo"  # no trailing newline
35
36 testing "bc backslash 1" \
37         "bc" \
38         "3\n" \
39         "" "1 \\\\\n + 2"
40
41 testing "bc string 1" \
42         "bc" \
43         "STR\n" \
44         "" "\"STR\n\""
45
46 testing "bc read() 4<EOF>" \
47         "bc input" \
48         "4\n" \
49         "read();halt" "4"
50
51 testing "bc read()^2" \
52         "bc input" \
53         "16\n" \
54         "read()^2;halt" "4\n"
55
56 testing "bc read()*read()" \
57         "bc input" \
58         "20\n" \
59         "read()*read();halt" "4\n5"
60
61 testing "bc if 0 else" \
62         "bc" \
63         "2\n9\n" \
64         "" "if (0) 1 else 2; 9"
65
66 testing "bc if 1 else" \
67         "bc" \
68         "1\n9\n" \
69         "" "if (1) 1 else 2; 9"
70
71 testing "bc if 1 if 1 else else" \
72         "bc" \
73         "1\n9\n" \
74         "" "if (1) if (1) 1 else 2 else 3; 9"
75
76 testing "bc if 0 else if 1" \
77         "bc" \
78         "2\n9\n" \
79         "" "if (0) 1 else if (1) 2; 9"
80
81 testing "bc for (;;)" \
82         "bc" \
83         "2\n3\n2\n9\n" \
84         "" "i=2; for (;;) { 2; if(--i==0) break; 3; }; 9"
85
86 testing "bc for (;cond;)" \
87         "bc" \
88         "1\n2\n3\n9\n" \
89         "" "i=0; for(;i<3;)++i; 9"
90
91 testing "bc for (;cond;upd)" \
92         "bc" \
93         "1\n2\n3\n9\n" \
94         "" "i=1; for(;i<4;i++)i; 9"
95
96 testing "bc for (init;cond;upd)" \
97         "bc" \
98         "1\n2\n3\n9\n" \
99         "" "for(i=1;i<4;i++)i; 9"
100
101 testing "bc for (;;) {break}" \
102         "bc" \
103         "2\n9\n" \
104         "" "for (;;) {2;break}; 9"
105
106 testing "bc define {return}" \
107         "bc" \
108         "0\n9\n" \
109         "" "define w() {return}\nw();9"
110
111 testing "bc define auto" \
112         "bc" \
113         "8\n9\n" \
114         "" "define w() { auto z; return 8; }; w(); 9"
115
116 testing "bc define auto array same name" \
117         "bc" \
118         "8\n9\n" \
119         "" "define w(x) { auto x[]; return x; }; w(8); 9"
120
121 testing "bc define with body on next line" \
122         "bc" \
123         "8\n9\n" \
124         "" "define w()\n{ auto z; return 8; }\nw()\n9"
125
126 testing "bc void function" \
127         "bc" \
128         "void9\n" \
129         "" "define void w() {print \"void\"}\nw()\n9"
130
131 # Extra POSIX compat - GNU bc does not allow this
132 testing "bc function named 'void'" \
133         "bc" \
134         "void0\n9\n" \
135         "" "define void() {print \"void\"}\nvoid()\n9"
136
137 # Extra POSIX compat - GNU bc does not allow this
138 testing "bc variable named 'void'" \
139         "bc" \
140         "6\n9\n" \
141         "" "void=6\nvoid\n9"
142
143 testing "bc if(cond)<NL>" \
144         "bc" \
145         "9\n" \
146         "" "if(0)\n3\n9"
147
148 testing "bc if(cond) stmt else<NL>" \
149         "bc" \
150         "4\n9\n" \
151         "" "if(0)3 else\n4\n9"
152
153 testing "bc while(cond)<NL>" \
154         "bc" \
155         "8\n7\n6\n5\n4\n3\n2\n1\n9\n" \
156         "" "i=9;while(--i)\ni\n9"
157
158 testing "bc ifz does not match if keyword" \
159         "bc" \
160         "1\n2\n2\n3\n" \
161         "" "ifz=1;ifz\n++ifz;ifz++\nifz"
162
163 # had parse error on "f()-N"
164 testing "bc -l 'e(0)-2'" \
165         "bc -l" \
166         "-1.00000000000000000000\n" \
167         "" "e(0)-2"
168
169 testing "bc (!a&&b)" \
170         "bc" \
171         "0\n" \
172         "" "(!a&&b)"
173
174 # check that dc code is not messing this up (no NUL printing!)
175 testing "bc print \"\"" \
176         "bc" \
177         "" \
178         "" "print \"\""
179
180 testing "bc print 1,2,3" \
181         "bc" \
182         "123" \
183         "" "print 1,2,3"
184
185 testing "bc { print 1 }" \
186         "bc" \
187         "1" \
188         "" "{ print 1 }"
189
190 testing "bc comparison 1" \
191         "bc" \
192         "1\n" \
193         "" "-10 < -9"
194
195 testing "bc nested loops and breaks" \
196         "bc" \
197         "\
198 11
199 21
200 31
201 22
202 12
203 99
204 " \
205         "" "\
206 if(1) {
207         11
208         while(1) {
209                 21
210                 while(1) {
211                         31
212                         break
213                         32
214                 }
215                 22
216                 break
217                 23
218         }
219         12
220 } else {
221         88
222 }
223 99
224 "
225
226 testing "bc continue in if" \
227         "bc" \
228         "\
229 11
230 21
231 11
232 31
233 99
234 " \
235         "" "\
236 i=2
237 while(i--) {
238         11
239         if(i) {
240                 21
241                 continue
242                 22
243         } else {
244                 31
245                 continue
246         32
247         }
248         12
249 }
250 99
251 "
252
253 testing "bc continue in for" \
254         "bc" \
255         "\
256 1
257 77
258 2
259 99
260 " \
261         "" "\
262 for(i=1; i<3; i++) {
263     i
264     if(i==2) continue
265     77
266 }
267 99
268 "
269
270 testing "bc ibase" \
271         "bc" \
272         "99\n1295\n1224\n" \
273         "" "a=ZZ;a;ibase=36;a=ZZ;a;ibase=Z;a=ZZ;a"
274
275 testing "bc parsing of numbers" \
276         "bc 2>&1 | bc 2>&1 | md5sum 2>&1" \
277         "465d8c01308d0863b6f5669e8a1c69fb  -\n" \
278         "" '
279 for (b = 2; b <= 16; ++b) {
280         if (b == 10) continue
281         obase = 10
282         print "ibase = A; ibase = ", b, "\n"
283         obase = b
284         for (i = 0; i <= 65536; ++i) {
285                 i
286                 print "0.", i, "\n"
287                 print "1.", i, "\n"
288                 print i, ".", i, "\n"
289         }
290 }'
291
292 testing "bc printing of numbers" \
293         "bc 2>&1 | bc 2>&1 | md5sum 2>&1" \
294         "d884b35d251ca096410712743aeafb9e  -\n" \
295         "" '
296 for (b = 2; b <= 101; ++b) {
297         if (b == 10) continue
298         s = b * b
299         print "obase = ", b, "\n"
300         for (i = 0; i <= s; ++i) {
301                 i
302                 print "0.", i, "\n"
303                 print "1.", i, "\n"
304                 print i, ".", i, "\n"
305         }
306         2189432174861923048671023498128347619023487610234689172304.192748960128745108927461089237469018723460
307 }'
308
309 for f in bc*.bc; do
310         r="`basename "$f" .bc`_results.txt"
311         test -f "$r" || continue
312         # testing "test name" "command" "expected result" "file input" "stdin"
313         testing "bc -lq $f" \
314                 "{ { bc -lq $f 2>&1; echo E:\$? >&2; } | diff -u - $r; echo E:\$?; } 2>&1" \
315                 "E:0\nE:0\n" \
316                 "" ""
317 done
318
319 exit $FAILCOUNT