name: "Array expansion"
cases:
  - name: "Array access"
    stdin: |
      y=(a b c)

      echo ${y[@]}
      echo ${y[*]}

      echo "\${y[@]}: ${y[@]}"
      echo "\${y[*]}: ${y[*]}"

      var1="${y[@]}"
      echo "var1: ${var1}"
      echo $var1

      var2=${y[@]}
      echo "var2: ${var2}"
      echo $var2

      var3="${y[*]}"
      echo "var3: ${var3}"
      echo $var3

      var4=${y[*]}
      echo "var4: ${var4}"
      echo $var4

      for f in "${y[@]}"; do
          echo "quoted-@ => Element: $f"
      done

      for f in ${y[@]}; do
          echo "@ => Element: $f"
      done

      for f in "${y[*]}"; do
          echo "quoted-* => Element: $f"
      done

      for f in ${y[*]}; do
          echo "* => Element: $f"
      done

  - name: "Empty arrays"
    stdin: |
      myarray=()

      for f in "${myarray[@]}"; do
        echo "Quoted at-sign element: |$f|"
      done

      for f in ${myarray[@]}; do
        echo "Unquoted at-sign element: |$f|"
      done

      for f in "${myarray[*]}"; do
        echo "Quoted at-sign element: |$f|"
      done

      for f in ${myarray[*]}; do
        echo "Unquoted at-sign element: |$f|"
      done

  - name: "Mixing array elements and other words"
    stdin: |
      myarray=(a b c)

      for f in "${myarray[@]} d e f"; do
        echo "ELEMENT: $f"
      done

      for f in ${myarray[@]} d e f; do
        echo "ELEMENT: $f"
      done

  - name: "Passing array elements to func"
    stdin: |
      myfunc() {
        echo "In function"
        for arg in $@; do
          echo "ARG: |${arg}|"
        done
      }

      arr=(a b c "" "e f")
      myfunc ${arr[@]}
      myfunc "${arr[@]}"

  - name: "Array length"
    stdin: |
      y=(a b c)
      echo "len(y)    = ${#y}"
      echo "len(y[*]) = ${#y[*]}"
      echo "len(y[@]) = ${#y[@]}"

  - name: "Array length: single item"
    stdin: |
      z=("something here")
      echo "len(z)    = ${#z}"
      echo "len(z[*]) = ${#z[*]}"
      echo "len(z[@]) = ${#z[@]}"

  - name: "Array keys: indexed array"
    stdin: |
      arr=("element1" "element2" "element3")
      echo "@: ${!arr[@]}"
      echo "*: ${!arr[*]}"

      echo "Dumping [@]"
      for i in "${!arr[@]}"; do
          echo "@i: $i"
      done

      echo "Dumping [*]"
      for i in "${!arr[*]}"; do
          echo "*i: $i"
      done

  - name: "Array keys: empty array"
    stdin: |
      arr=()
      echo "@: ${!arr[@]}"
      echo "*: ${!arr[*]}"

      echo "Dumping [@]"
      for i in "${!arr[@]}"; do
          echo "@i: $i"
      done

      echo "Dumping [*]"
      for i in "${!arr[*]}"; do
          echo "*i: $i"
      done