Assertion failed
assert(1 !== 1)
         |
         false

Assertion failed
assert(" !== " !== " !== ")
               |
               false

Assertion failed
assert(
    " !== "

            !==
            |
            false

            " !== "
)

Assertion failed
assert(1/*!==*/!==/*!==*/1)
               |
               false

Assertion failed
assert((1 !== 1) !== false)
          |      |
          |      false
          false