codeql/javascript/ql/test/library-tests/CFG/switch.js

switch (
 x)
{
default:
    break;
case
  23:
    x
     +=
        19;
}

function
 f()
{
    switch(
      x)
    {
    case
     0:
        return
         23;
    default:
        return
         42;
    case
     1:
        return
         56;
    }
}