Contents of /trunk/mkinitrd-magellan/busybox/shell/hush_test/hush-arith/arith.tests
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Sun May 30 11:32:42 2010 UTC (13 years, 11 months ago) by niro
File size: 5619 byte(s)
Sun May 30 11:32:42 2010 UTC (13 years, 11 months ago) by niro
File size: 5619 byte(s)
-updated to busybox-1.16.1 and enabled blkid/uuid support in default config
1 | #ash# set +o posix |
2 | #ash# declare -i iv jv |
3 | |
4 | echo "Format: 'expected actual'" |
5 | |
6 | iv=$(( 3 + 5 * 32 )) |
7 | echo 163 $iv |
8 | #ash# iv=iv+3 |
9 | #ash# echo 166 $iv |
10 | iv=2 |
11 | jv=iv |
12 | |
13 | : $((jv *= 2)) ##hush## let "jv *= 2" |
14 | echo 4 $jv |
15 | jv=$(( $jv << 2 )) |
16 | echo 16 $jv |
17 | |
18 | : $((jv=$jv / 2)) ##hush## let jv="$jv / 2" |
19 | echo 8 $jv |
20 | #ash# jv="jv >> 2" |
21 | : $((jv=jv >> 2)) ##hush## let jv="jv >> 2" |
22 | echo 2 $jv |
23 | |
24 | iv=$((iv+ $jv)) |
25 | echo 4 $iv |
26 | echo 2 $((iv -= jv)) |
27 | echo 2 $iv |
28 | echo 1 $(( iv == jv )) |
29 | echo 0 $(( iv != $jv )) |
30 | echo 0 $(( iv < jv )) |
31 | echo 0 $(( $iv > $jv )) |
32 | echo 1 $(( iv <= $jv )) |
33 | echo 1 $(( $iv >= jv )) |
34 | |
35 | echo 2 $jv |
36 | echo -3 $(( ~$jv )) |
37 | echo -2 $(( ~1 )) |
38 | echo 1 $(( ! 0 )) |
39 | |
40 | echo 0 $(( jv % 2 )) |
41 | echo 2 $(( $iv % 4 )) |
42 | |
43 | echo 131072 $(( iv <<= 16 )) |
44 | echo 29 $(( iv %= 33 )) |
45 | |
46 | echo 33 $(( 33 & 55 )) |
47 | echo 49 $(( 33 | 17 )) |
48 | |
49 | echo 1 $(( iv && $jv )) |
50 | echo 1 $(( $iv || jv )) |
51 | |
52 | echo 0 $(( iv && 0 )) |
53 | echo 0 $(( iv & 0 )) |
54 | echo 1 $(( iv && 1 )) |
55 | echo 1 $(( iv & 1 )) |
56 | |
57 | echo 1 $(( $jv || 0 )) |
58 | echo 2 $(( jv | 0 )) |
59 | echo 3 $(( jv | 1 )) |
60 | echo 1 $(( $jv || 1 )) |
61 | |
62 | : $((iv *= jv)) ##hush## let 'iv *= jv' |
63 | echo 58 $iv |
64 | echo 2 $jv |
65 | : $((jv += $iv)) ##hush## let "jv += $iv" |
66 | echo 60 $jv |
67 | |
68 | echo 1 $(( jv /= iv )) |
69 | echo 256 $(( jv <<= 8 )) |
70 | echo 16 $(( jv >>= 4 )) |
71 | |
72 | echo 62 $(( iv |= 4 )) |
73 | echo 4 $(( iv &= 4 )) |
74 | |
75 | echo 29 $(( iv += (jv + 9))) |
76 | echo 5 $(( (iv + 4) % 7 )) |
77 | |
78 | # unary plus, minus |
79 | echo -4 $(( +4 - 8 )) |
80 | echo 4 $(( -4 + 8 )) |
81 | |
82 | # conditional expressions |
83 | echo 1 $(( 4<5 ? 1 : 32)) |
84 | echo 32 $(( 4>5 ? 1 : 32)) |
85 | echo 32 $(( 4>(2+3) ? 1 : 32)) |
86 | echo 1 $(( 4<(2+3) ? 1 : 32)) |
87 | echo 1 $(( (2+2)<(2+3) ? 1 : 32)) |
88 | echo 32 $(( (2+2)>(2+3) ? 1 : 32)) |
89 | |
90 | # check that the unevaluated part of the ternary operator does not do |
91 | # evaluation or assignment |
92 | x=i+=2 |
93 | y=j+=2 |
94 | #ash# declare -i i=1 j=1 |
95 | i=1 |
96 | j=1 |
97 | echo 20 $((1 ? 20 : (x+=2))) |
98 | #ash# echo $i,$x # ash mishandles this |
99 | echo 30 $((0 ? (y+=2) : 30)) |
100 | #ash# echo $j,$y # ash mishandles this |
101 | |
102 | x=i+=2 |
103 | y=j+=2 |
104 | #ash# declare -i i=1 j=1 |
105 | i=1 |
106 | j=1 |
107 | echo 20 $((1 ? 20 : (x+=2))) |
108 | #ash# echo $i,$x # ash mishandles this |
109 | echo 30 $((0 ? (y+=2) : 30)) |
110 | #ash# echo $i,$y # ash mishandles this |
111 | |
112 | # check precedence of assignment vs. conditional operator |
113 | # should be an error |
114 | #ash# declare -i x=2 |
115 | x=2 |
116 | #ashnote# bash reports error but continues, ash aborts - using subshell to 'emulate' bash: |
117 | ( y=$((1 ? 20 : x+=2)) ) |
118 | |
119 | # check precedence of assignment vs. conditional operator |
120 | #ash# declare -i x=2 |
121 | x=2 |
122 | # ash says "line NNN: syntax error: 0 ? x+=2 : 20" |
123 | #ash# echo 20 $((0 ? x+=2 : 20)) |
124 | |
125 | # associativity of assignment-operator operator |
126 | #ash# declare -i i=1 j=2 k=3 |
127 | i=1 |
128 | j=2 |
129 | k=3 |
130 | echo 6 $((i += j += k)) |
131 | echo 6,5,3 $i,$j,$k |
132 | |
133 | # octal, hex |
134 | echo 263 $(( 0x100 | 007 )) |
135 | echo 255 $(( 0xff )) |
136 | #ash# echo 255 $(( 16#ff )) |
137 | #ash# echo 127 $(( 16#FF/2 )) |
138 | #ash# echo 36 $(( 8#44 )) |
139 | |
140 | echo 40 $(( 8 ^ 32 )) |
141 | |
142 | #ash# # other bases |
143 | #ash# echo 10 $(( 16#a )) |
144 | #ash# echo 10 $(( 32#a )) |
145 | #ash# echo 10 $(( 56#a )) |
146 | #ash# echo 10 $(( 64#a )) |
147 | #ash# |
148 | #ash# echo 10 $(( 16#A )) |
149 | #ash# echo 10 $(( 32#A )) |
150 | #ash# echo 36 $(( 56#A )) |
151 | #ash# echo 36 $(( 64#A )) |
152 | #ash# |
153 | #ash# echo 62 $(( 64#@ )) |
154 | #ash# echo 63 $(( 64#_ )) |
155 | |
156 | #ash# # weird bases (error) |
157 | #ash# echo $(( 3425#56 )) |
158 | |
159 | #ash# # missing number after base |
160 | #ash# echo 0 $(( 2# )) |
161 | |
162 | # these should generate errors |
163 | ( echo $(( 7 = 43 )) ) |
164 | #ash# echo $(( 2#44 )) |
165 | ( echo $(( 44 / 0 )) ) |
166 | ( let 'jv += $iv' ) |
167 | ( echo $(( jv += \$iv )) ) |
168 | ( let 'rv = 7 + (43 * 6' ) |
169 | |
170 | #ash# # more errors |
171 | #ash# declare -i i |
172 | #ash# i=0#4 |
173 | #ash# i=2#110#11 |
174 | |
175 | ((echo abc; echo def;); echo ghi) |
176 | |
177 | #ash# if (((4+4) + (4 + 7))); then |
178 | #ash# echo ok |
179 | #ash# fi |
180 | |
181 | #ash# (()) # make sure the null expression works OK |
182 | |
183 | #ash# a=(0 2 4 6) |
184 | #ash# echo 6 $(( a[1] + a[2] )) |
185 | #ash# echo 1 $(( (a[1] + a[2]) == a[3] )) |
186 | #ash# (( (a[1] + a[2]) == a[3] )) ; echo 0 $? |
187 | |
188 | # test pushing and popping the expression stack |
189 | unset A |
190 | A="4 + " |
191 | ( echo A $(( ( 4 + A ) + 4 )) ) |
192 | A="3 + 5" |
193 | echo 16 $(( ( 4 + A ) + 4 )) |
194 | |
195 | # badly-formed conditional expressions |
196 | ( echo $(( 4 ? : $A )) ) |
197 | ( echo $(( 1 ? 20 )) ) |
198 | ( echo $(( 4 ? 20 : )) ) |
199 | |
200 | # precedence and short-circuit evaluation |
201 | B=9 |
202 | echo 9 $B |
203 | |
204 | # error |
205 | ( echo $(( 0 && B=42 )); echo 9 $B ) |
206 | |
207 | # error |
208 | ( echo $(( 1 || B=88 )); echo 9 $B ) |
209 | |
210 | # ash mistakenly evaluates B=... below |
211 | #ash# echo 0 $(( 0 && (B=42) )) |
212 | echo 9 $B |
213 | #ash# echo 0 $(( (${$} - $$) && (B=42) )) |
214 | echo 9 $B |
215 | #ash# echo 1 $(( 1 || (B=88) )) |
216 | echo 9 $B |
217 | |
218 | |
219 | # until command with (( )) command |
220 | x=7 |
221 | |
222 | echo 7 $x |
223 | #ash# until (( x == 4 )) |
224 | until test "$x" = 4 |
225 | do |
226 | echo $x |
227 | x=4 |
228 | done |
229 | |
230 | echo 4 $x |
231 | |
232 | # exponentiation |
233 | echo 32767 $(( 2**15 - 1)) |
234 | echo 32768 $(( 2**(16-1))) |
235 | echo 131072 $(( 2**16*2 )) |
236 | echo 2147483647 $(( 2**31-1)) |
237 | echo 1 $(( 2**0 )) |
238 | |
239 | # {pre,post}-{inc,dec}rement and associated errors |
240 | |
241 | x=4 |
242 | |
243 | echo 4 $x |
244 | echo 4 $(( x++ )) |
245 | echo 5 $x |
246 | echo 5 $(( x-- )) |
247 | echo 4 $x |
248 | |
249 | echo 3 $(( --x )) |
250 | echo 3 $x |
251 | |
252 | echo 4 $(( ++x )) |
253 | echo 4 $x |
254 | |
255 | # bash 3.2 apparently thinks that ++7 is 7 |
256 | #ash# echo 7 $(( ++7 )) |
257 | ( echo $(( 7-- )) ) |
258 | |
259 | ( echo $(( --x=7 )) ) |
260 | ( echo $(( ++x=7 )) ) |
261 | |
262 | ( echo $(( x++=7 )) ) |
263 | ( echo $(( x--=7 )) ) |
264 | |
265 | echo 4 $x |
266 | |
267 | echo 7 $(( +7 )) |
268 | echo -7 $(( -7 )) |
269 | |
270 | # bash 3.2 apparently thinks that ++7 is 7 |
271 | #ash# echo $(( ++7 )) |
272 | #ash# echo $(( --7 )) |
273 | |
274 | ${THIS_SH} ./arith1.sub |
275 | ${THIS_SH} ./arith2.sub |
276 | |
277 | x=4 |
278 | y=7 |
279 | |
280 | #ash# (( x=8 , y=12 )) |
281 | x=8 |
282 | y=12 |
283 | echo $x $y |
284 | |
285 | #ash# # should be an error |
286 | #ash# (( x=9 y=41 )) |
287 | |
288 | # These are errors |
289 | unset b |
290 | ( echo $((a b)) ) |
291 | #ash# ((a b)) |
292 | |
293 | n=42 |
294 | printf "%d\n" $n |
295 | printf "%i\n" $n |
296 | #ash# echo $(( 8#$(printf "%o\n" $n) )) |
297 | printf "%u\n" $n |
298 | #ash# echo $(( 16#$(printf "%x\n" $n) )) |
299 | #ash# echo $(( 16#$(printf "%X\n" $n) )) |
300 | |
301 | # causes longjmp botches through bash-2.05b |
302 | a[b[c]d]=e |
Properties
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svn:executable | * |