commit bash-20041118 snapshot

tests/RUN-ONE-TEST

@@ -1,4 +1,4 @@
-BUILD_DIR=/usr/local/build/chet/bash/bash-current
+BUILD_DIR=/usr/local/build/bash/bash-current
 THIS_SH=$BUILD_DIR/bash
 PATH=$PATH:$BUILD_DIR
 

tests/appendop.right

@@ -0,0 +1,18 @@
+14
+1 2 3 4 5 6
+1 2 3 4 51 6
+5
+14
+7
+42
+1 2 3 4 12
+18
+1 2 3 4 18
+1 2 7 4 5
+1 2 7 13 5 9
+14
+9
+4
+9
+16
+./appendop.tests: line 83: x: readonly variable

tests/appendop.tests

@@ -0,0 +1,83 @@
+# basic cases
+a=1
+a+=4
+echo $a
+
+x=(1 2 3)
+x+=(4 5 6)
+
+echo ${x[@]}
+
+x[4]+=1
+echo ${x[@]}
+
+# trickier cases
+
+a+=5 printenv a
+echo $a
+
+# if the integer flag is set, ksh93 appears to do arithmetic += and evaluate
+# old value as an arithmetic expression
+a=
+typeset -i a
+a+=7
+echo $a
+
+b=4+1
+typeset -i b
+b+=37
+
+echo $b
+
+unset x
+x=(1 2 3 4 5)
+
+typeset -i x
+
+x[4]+=7
+
+echo ${x[@]}
+
+unset x
+typeset -i x
+
+x=([0]=7+11)
+echo ${x[@]}
+
+unset x
+x=(1 2 3 4 5)
+
+typeset -i x
+
+#x[4]=7+11
+
+x=(1 2 3 4 [4]=7+11 )
+echo ${x[@]}
+
+x=( 1 2 [2]+=7 4 5 )
+echo ${x[@]}
+
+x+=( [3]+=9 [5]=9 )
+echo ${x[@]}
+
+unset a
+a=1
+export a+=4
+printenv a
+printenv a+
+
+unset x
+typeset -i x=4+5
+echo $x
+
+unset x
+typeset x+=4
+echo $x
+
+typeset -i x+=5
+echo $x
+
+readonly x+=7
+echo $x
+
+x+=5

tests/new-exp.right

@@ -479,4 +479,21 @@ argv[1] = </full/path/to>
 argv[1] = </>
 argv[1] = <full/path/to/x16>
 argv[1] = <x16>
-./new-exp.tests: line 545: ABXD: parameter unset
+two
+one
+ne
+one
+
+one
+one
+one
+1 2 3 4 5 6 7 8 9
+9
+9
+0
+9
+8 9
+123456789
+9
+9
+./new-exp.tests: line 547: ABXD: parameter unset

tests/new-exp.tests

@@ -540,6 +540,8 @@ recho ${1%%[!/]*}
 recho ${1#*/}
 recho ${1##*/}
 
+${THIS_SH} ./new-exp5.sub
+
 # this must be last!
 expect $0: 'ABXD: parameter unset'
 recho ${ABXD:?"parameter unset"}

tests/new-exp5.sub

@@ -0,0 +1,30 @@
+x=(one two)
+echo ${x[@]:1}
+echo ${x[@]:0:1}
+
+x=(one)
+echo ${x[0]:1}
+echo ${x[0]:0}
+echo ${x[@]:1}
+echo ${x[@]:0}
+
+echo ${x[@]: -1}
+echo ${x[@]: ${#x[@]}-1}
+
+x=(0 1 2 3 4 5 6 7 8 9)
+echo ${x[@]:1}
+
+echo ${x[@]: -1}
+echo ${x[@]: ${#x[@]}-1}
+
+set -- ${x[@]}
+
+echo $1
+echo ${@: -1}
+echo ${@: $#-1}
+
+a=0123456789
+
+echo ${a:1}
+echo ${a: -1}
+echo ${a: ${#a}-1}

tests/run-appendop

@@ -0,0 +1,2 @@
+${THIS_SH} ./appendop.tests > /tmp/xx 2>&1
+diff /tmp/xx appendop.right && rm -f /tmp/xx