=== Testing normalizeInput function ===
Test 1: Valid array input
array(2) {
  ["name"]=>
  string(9) "Test Role"
  ["permissions"]=>
  array(2) {
    [0]=>
    string(4) "read"
    [1]=>
    string(5) "write"
  }
}

Test 2: String input (corrupted)
array(1) {
  ["permissions"]=>
  array(0) {
  }
}

Test 3: Null input
array(1) {
  ["permissions"]=>
  array(0) {
  }
}

Test 4: Array with string permissions
array(2) {
  ["name"]=>
  string(9) "Test Role"
  ["permissions"]=>
  array(2) {
    [0]=>
    string(4) "read"
    [1]=>
    string(5) "write"
  }
}