zsh/Test/A06assign.ztst

# Tests of parameter assignments

%prep
  mkdir assign.tmp && cd assign.tmp

  touch tmpfile1 tmpfile2

%test

 typeset -A assoc
 assoc=(one 1 two 2 odd)
1:assign to association with odd no. of values
?(eval):2: bad set of key/value pairs for associative array

# tests of array element assignment

 array=(1 2 3 4 5)
 array[1]=42
 print $array
0:Replacement of array element
>42 2 3 4 5

 array=(1 2 3 4 5)
 array[1]=(42 43)
 print $array
0:Replacement of array element with array
>42 43 2 3 4 5

 array=(1 2 3 4 5)
 array[1,2]=(42 43)
 print $array
0:Replacement of start of array
>42 43 3 4 5

 array=(1 2 3 4 5)
 array[1,4]=(42 43)
 print $array
0:Replacement of start of array with shorter slice
>42 43 5

 array=(1 2 3 4 5)
 array[1,6]=(42 43)
 print $array
0:Replacement of array by extending slice
>42 43

 array=(1 2 3 4 5)
 array[3]=(42 43)
 print $array
0:Replacement of middle element with array
>1 2 42 43 4 5

 array=(1 2 3 4 5)
 array[3,4]=(42 43 44)
 print $array
0:Replacement of slice in middle
>1 2 42 43 44 5

 array=(1 2 3 4 5)
 array[7,8]=(42 43)
 print $array
 # check that [6] was left empty...
 array[6]=41
 print $array
0:Appending by replacing elements off the end
>1 2 3 4 5 42 43
>1 2 3 4 5 41 42 43

 array=(1 2 3 4 5)
 array[-1]=42
 print $array
0:Replacement of last element of array, negative indices
>1 2 3 4 42

 array=(1 2 3 4 5)
 array[-1]=(42 43)
 print $array
0:Replacement of last element of array with array, negative indices
>1 2 3 4 42 43

 array=(1 2 3 4 5)
 array[-3,-2]=(42 43 44)
 print $array
0:Replacement of middle of array, negative indices
>1 2 42 43 44 5

 array=(1 2 3 4 5)
 array[-5,-1]=(42 43)
 print $array
0:Replacement of entire array, negative indices
>42 43

 array=(1 2 3 4 5)
 array[-7,-1]=(42 43)
 print $array
0:Replacement of more than entire array, negative indices
>42 43

 array=(1 2 3 4 5)
 array[-7]=42
 print $array
0:Replacement of element off start of array.
>42 1 2 3 4 5

 array=(1 2 3 4 5)
 array[-7]=42
 array[-6]=43
 print $array
0:Replacement off start doesn't leave gaps.  Hope this is right.
>43 1 2 3 4 5

 array=(1 2 3 4 5)
 array[1,-1]=(42 43)
 print $array
 array[-3,3]=(1 2 3 4 5)
 print $array
0:Replacement of entire array, mixed indices
>42 43
>1 2 3 4 5

 array=(1 2 3 4 5)
 array[-7,7]=(42 43)
 print $array
0:Replacement of more than entire array, mixed indices
>42 43

 array=(1 2 3 4 5)
 array[3,-2]=(42 43 44)
 print $array
 array[-3,5]=(100 99)
 print $array
0:Replacement of slice in middle, mixed indices
>1 2 42 43 44 5
>1 2 42 100 99 5

# (subsection: append to array)

 array=( )
 array[5,6]=( 1 2 3 )
 print $array
 print "${(q@)array}"
0:Append to empty array by range
>1 2 3
>'' '' '' '' 1 2 3

 array=( a )
 array[5,6]=( 1 2 3 )
 print $array
 print "${(q@)array}"
0:Append to 1-element array by range
>a 1 2 3
>a '' '' '' 1 2 3

 array=( a b )
 array[5,6]=( 1 2 3 )
 print $array
 print "${(q@)array}"
0:Append to 2-element array by range
>a b 1 2 3
>a b '' '' 1 2 3

 array=( a b )
 array[5,5]=( 1 2 3 )
 print $array
 print "${(q@)array}"
0:Append to 2-element array by [a,a] range
>a b 1 2 3
>a b '' '' 1 2 3

 array=( a b c d )
 array[5,6]=( 1 2 3 )
 print $array
 print "${(q@)array}"
0:Append array by range, continuously
>a b c d 1 2 3
>a b c d 1 2 3

 array=( a b c d )
 array[5,5]=( 1 2 3 )
 print $array
 print "${(q@)array}"
0:Append array by [a,a] range, continuously
>a b c d 1 2 3
>a b c d 1 2 3

 array=( )
 array+=( 1 2 3 )
 print $array
 print "${(q@)array}"
0:Append empty array via +=
>1 2 3
>1 2 3

 array=( a )
 array+=( 1 2 3 )
 print $array
 print "${(q@)array}"
0:Append 1-element array via +=
>a 1 2 3
>a 1 2 3

# tests of array assignment using lastval ($?)

  true
  array=( $? )
  print $array
0:Assign $? to array (true)
>0

  false
  array=( $? )
  print $array
0:Assign $? to array (false)
>1

  true
  typeset array=( $? )
  print $array
0:Assign $? to array with typeset (true)
>0

  false
  typeset array=( $? )
  print $array
0:Assign $? to array with typeset (false)
>1

  array=( )
  true
  array+=( $? )
  false
  array+=( $? )
  print $array
0:Append $? to array (true+false)
>0 1

# tests of var+=scalar

 s+=foo
 echo $s
0:append scalar to unset scalar
>foo

 s=foo
 s+=bar
 echo $s
0:append to scalar
>foobar

 set -- a b c
 2+=end
 echo $2
0:append to positional parameter
>bend

 a=(first second)
 a+=last
 print -l $a
0:add scalar to array
>first
>second
>last

 setopt ksharrays
 a=(first second)
 a+=last
 print -l $a
 unsetopt ksharrays
0:add scalar to array with ksharrays set
>firstlast

 a=(1 2)
 a[@]+=3
 print -l $a
0:add scalar to array with alternate syntax
>1
>2
>3

 integer i=10
 i+=20
 (( i == 30 ))
0:add to integer

 float f=3.4
 f+=2.3
 printf "%g\n" f
0:add to float
>5.7

 typeset -A hash
 hash=(one 1)
 hash+=string
 [[ $hash[@] == string ]]
0:add scalar to association

# tests of var+=(array)

 unset a
 a+=(1 2 3)
 print -l $a
0:add array to unset parameter
>1
>2
>3

 a=(a)
 a+=(b)
 print -l $a
0:add array to existing array
>a
>b

 s=foo
 s+=(bar)
 print -l $s
0:add array to scalar
>foo
>bar

 integer i=1
 i+=(2 3)
 print -l $i
0:add array to integer
>1
>2
>3

 float f=2.5
 f+=(3.5 4.5)
 printf '%g\n' $f
0:add array to float
>2.5
>3.5
>4.5

 typeset -A h
 h+=(a 1 b 2)
 print -l $h
0:add to empty association
>1
>2

 typeset -A h
 h=(a 1)
 h+=(b 2 c 3)
 print -l $h
0:add to association
>1
>2
>3

 typeset -A h
 h=(a 1 b 2)
 h+=()
 print -l $h
0:add empty array to association
>1
>2

# tests of var[range]+=scalar

 s=sting
 s[2]+=art
 echo $s
0:insert scalar inside another
>starting

 s=inert
 s[-4]+=s
 echo $s
0:insert scalar inside another with negative index
>insert

 s=append
 s[2,6]+=age
 echo $s
0:append scalar to scalar using a range
>appendage

 s=123456789
 s[3,-5]+=X
 echo $s
0:insert scalar inside another, specifying a slice
>12345X6789

 a=(a b c)
 a[2]+=oo
 echo $a
0:append to array element
>a boo c

 a=(a b c d)
 a[-2]+=ool
 echo $a
0:append to array element with negative index
>a b cool d

 a=(a b c d)
 a[2,-1]+=oom
 echo $a
0:append to array element, specifying a slice
>a b c doom

 setopt ksharrays
 a=(a b c d)
 a[0]+=0
 echo $a
 unsetopt ksharrays
0:append to array element with ksharrays set
>a0

 typeset -A h
 h=(one foo)
 h[one]+=bar
 echo $h
0:append to association element
>foobar

 typeset -A h
 h[foo]+=bar
 echo ${(kv)h}
0:append to non-existent association element
>foo bar

 typeset -A h
 h=(one a two b three c four d)
 h[(I)*o*]+=append
1:attempt to append to slice of association
?(eval):3: h: attempt to set slice of associative array

 integer i=123
 i[2]+=6
1:attempt to add to indexed integer variable
?(eval):2: attempt to add to slice of a numeric variable

 float f=1234.5
 f[2,4]+=3
1:attempt to add to slice of float variable
?(eval):2: attempt to add to slice of a numeric variable

 unset u
 u[3]+=third
 echo $u[1]:$u[3]
0:append to unset variable with index
>:third
 
# tests of var[range]+=(array)

 a=(1 2 3)
 a[2]+=(a b)
 echo $a
0:insert array inside another
>1 2 a b 3

 a=(a b c)
 a[-1]+=(d)
 echo $a
0:append to array using negative index
>a b c d

 a=(1 2 3 4)
 a[-1,-3]+=(x)
 echo $a
0:insert array using negative range
>1 2 x 3 4

 s=string
 s[2]+=(a b)
1:attempt to insert array into string
?(eval):2: s: attempt to assign array value to non-array

 integer i=365
 i[2]+=(1 2)
1:attempt to insert array into string
?(eval):2: i: attempt to assign array value to non-array

 typeset -A h
 h=(a 1)
 h[a]+=(b 2)
1:attempt to append array to hash element
?(eval):3: h: attempt to set slice of associative array

 unset u
 u[-34,-2]+=(a z)
 echo $u
0:add array to indexed unset variable
>a z

 repeat 10 PATH=. echo hello
0:saving and restoring of exported special parameters
>hello
>hello
>hello
>hello
>hello
>hello
>hello
>hello
>hello
>hello

 repeat 10 FOO=BAR BAR=FOO echo $FOO $BAR
0:save and restore multiple variables around builtin
>
>
>
>
>
>
>
>
>
>

  call() { print $HELLO; }
  export HELLO=world
  call
  HELLO=universe call
  call
  HELLO=${HELLO}liness call
  call
  unset HELLO
0:save and restore when using original value in temporary
>world
>universe
>world
>worldliness
>world

 (integer i n x
 float f
 setopt globassign
 i=tmpfile1
 n=tmpf*
 x=*2
 f=2+2
 typeset -p i n x f)
0:GLOB_ASSIGN with numeric types
>typeset -i i=0
>typeset -a n=( tmpfile1 tmpfile2 )
>typeset x=tmpfile2
>typeset -E f=4.000000000e+00

  setopt globassign
  foo=tmpf*
  print $foo
  unsetopt globassign
  foo=tmpf*
  print $foo
0:GLOB_ASSIGN option
>tmpfile1 tmpfile2
>tmpf*

  (setopt globassign
  typeset -A foo
  touch gatest1 gatest2
  foo=(gatest*)
  print ${(t)foo}
  rm -rf gatest*)
0:GLOB_ASSIGN doesn't monkey with type if not scalar assignment.
>association-local

 A=(first second)
 A="${A[*]}" /bin/sh -c 'echo $A'
 print -l "${A[@]}"
0:command execution with assignments shadowing array parameter
>first second
>first
>second

 setopt ksharrays
 A=(first second)
 A="${A[*]}" /bin/sh -c 'echo $A'
 print -l "${A[@]}"
 unsetopt ksharrays
0:command execution with assignments shadowing array parameter with ksharrays
>first second
>first
>second

 typeset -aU unique_array=(first second)
 unique_array[1]=second
 print $unique_array
0:assignment to unique array
>second

 typeset -a array=(first)
 array[1,3]=(FIRST)
 print $array
0:slice beyond length of array
>FIRST

# tests of string assignments

 a="abc"
 a[1]=x
 print $a
0:overwrite first character in string
>xbc

 a="abc"
 a[2]="x"
 print $a
0:overwrite middle character in string
>axc

 a="abc"
 a[3]="x"
 print $a
0:overwrite last character in string
>abx

 a="abc"
 a[-1]="x"
 print $a
0:overwrite -1 character in string
>abx

 a="abc"
 a[-2]="x"
 print $a
0:overwrite -2 character (middle) in string
>axc

 a="ab"
 a[-2]="x"
 print $a
0:overwrite -2 character (first) in string
>xb

 a="abc"
 a[-3]="x"
 print $a
0:overwrite -3 character (first) in string
>xbc

 a="abc"
 a[-4]="x"
 print $a
0:overwrite -4 character (before first) in string
>xabc

 a="abc"
 a[-5]="x"
 print $a
0:overwrite -5 character (before-before first) in string
>xabc

 a="abc"
 a[-4,0]="x"
 print $a
0:overwrite [-4,0] characters (before first) in string
>xabc

 a="abc"
 a[-4,-4]="x"
 print $a
0:overwrite [-4,-4] character (before first) in string
>xabc

 a="abc"
 a[-40,-30]="x"
 print $a
0:overwrite [-40,-30] characters (far before first) in string
>xabc

 a="abc"
 a[-40,1]="x"
 print $a
0:overwrite [-40,1] characters in short string
>xbc

 a="abc"
 a[-40,40]="x"
 print $a
0:overwrite [-40,40] characters in short string
>x

 a="abc"
 a[2,40]="x"
 print $a
0:overwrite [2,40] characters in short string
>ax

 a="abc"
 a[2,-1]="x"
 print $a
0:overwrite [2,-1] characters in short string
>ax

 a="abc"
 a[-2,-1]="x"
 print $a
0:overwrite [-2,-1] characters in short string
>ax

 a="a"
 a[-1]="xx"
 print $a
0:overwrite [-1] character with "xx"
>xx

 a="a"
 a[-2]="xx"
 print $a
0:overwrite [-2] character (before first) with "xx"
>xxa

 a="a"
 a[2]="xx"
 print $a
0:overwrite [2] character (after last) with "xx"
>axx

 a=""
 a[1]="xx"
 print $a
0:overwrite [1] character (string: "") with "xx"
>xx

 a=""
 a[-1]="xx"
 print $a
0:overwrite [-1] character (string: "") with "xx"
>xx

 a=""
 a[2]="xx"
 print $a
0:overwrite [2] character (string: "") with "xx"
>xx