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authorDenys Vlasenko2010-05-22 00:26:06 +0200
committerDenys Vlasenko2010-05-22 00:26:06 +0200
commita6ad397ea92cd9c53973243728d3e52640fe63ec (patch)
tree058f34aaf8877c15a1c667efaa491267f046c7e7 /shell/hush_test/hush-arith
parent7436950a7516d1f4498285ccc81bf6d926f3af5e (diff)
downloadbusybox-a6ad397ea92cd9c53973243728d3e52640fe63ec.zip
busybox-a6ad397ea92cd9c53973243728d3e52640fe63ec.tar.gz
hush: fix more obscure ${var%...} cases
function old new delta add_till_closing_paren 313 359 +46 builtin_exit 48 47 -1 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
Diffstat (limited to 'shell/hush_test/hush-arith')
-rw-r--r--shell/hush_test/hush-arith/arith.right9
-rwxr-xr-xshell/hush_test/hush-arith/arith.tests19
2 files changed, 20 insertions, 8 deletions
diff --git a/shell/hush_test/hush-arith/arith.right b/shell/hush_test/hush-arith/arith.right
index 83155fb..718c26a 100644
--- a/shell/hush_test/hush-arith/arith.right
+++ b/shell/hush_test/hush-arith/arith.right
@@ -43,21 +43,30 @@ Format: 'expected actual'
4 4
29 29
5 5
+unary plus, minus
-4 -4
4 4
+conditional expressions
1 1
32 32
32 32
1 1
1 1
32 32
+check that parentheses in `cmd` are interpreted correctly
+3 3
+check that the unevaluated part of the ternary operator does not do evaluation or assignment
20 20
30 30
20 20
30 30
+check precedence of assignment vs. conditional operator
hush: error in arithmetic
+check precedence of assignment vs. conditional operator
+associativity of assignment-operator operator
6 6
6,5,3 6,5,3
+octal, hex
263 263
255 255
40 40
diff --git a/shell/hush_test/hush-arith/arith.tests b/shell/hush_test/hush-arith/arith.tests
index 57e66e8..bc6b341 100755
--- a/shell/hush_test/hush-arith/arith.tests
+++ b/shell/hush_test/hush-arith/arith.tests
@@ -75,11 +75,11 @@ echo 4 $(( iv &= 4 ))
echo 29 $(( iv += (jv + 9)))
echo 5 $(( (iv + 4) % 7 ))
-# unary plus, minus
+echo unary plus, minus
echo -4 $(( +4 - 8 ))
echo 4 $(( -4 + 8 ))
-# conditional expressions
+echo conditional expressions
echo 1 $(( 4<5 ? 1 : 32))
echo 32 $(( 4>5 ? 1 : 32))
echo 32 $(( 4>(2+3) ? 1 : 32))
@@ -87,8 +87,11 @@ echo 1 $(( 4<(2+3) ? 1 : 32))
echo 1 $(( (2+2)<(2+3) ? 1 : 32))
echo 32 $(( (2+2)>(2+3) ? 1 : 32))
-# check that the unevaluated part of the ternary operator does not do
-# evaluation or assignment
+echo 'check that parentheses in `cmd` are interpreted correctly'
+# \x28 is '('
+echo 3 $(( ( `printf '(\x28 1'` + `echo 2\)\)` ) ))
+
+echo check that the unevaluated part of the ternary operator does not do evaluation or assignment
x=i+=2
y=j+=2
#ash# declare -i i=1 j=1
@@ -109,20 +112,20 @@ echo 20 $((1 ? 20 : (x+=2)))
echo 30 $((0 ? (y+=2) : 30))
#ash# echo $i,$y # ash mishandles this
-# check precedence of assignment vs. conditional operator
+echo check precedence of assignment vs. conditional operator
# should be an error
#ash# declare -i x=2
x=2
#ashnote# bash reports error but continues, ash aborts - using subshell to 'emulate' bash:
( y=$((1 ? 20 : x+=2)) )
-# check precedence of assignment vs. conditional operator
+echo check precedence of assignment vs. conditional operator
#ash# declare -i x=2
x=2
# ash says "line NNN: syntax error: 0 ? x+=2 : 20"
#ash# echo 20 $((0 ? x+=2 : 20))
-# associativity of assignment-operator operator
+echo associativity of assignment-operator operator
#ash# declare -i i=1 j=2 k=3
i=1
j=2
@@ -130,7 +133,7 @@ k=3
echo 6 $((i += j += k))
echo 6,5,3 $i,$j,$k
-# octal, hex
+echo octal, hex
echo 263 $(( 0x100 | 007 ))
echo 255 $(( 0xff ))
#ash# echo 255 $(( 16#ff ))