test_strings = ->
run_test [
"\"hey\" + \"you\"",
"\"hey\"+\"you\"",
"\"hey\" + \"hey\"",
"2*\"hey\"",
"\"hey\" / \"hey\"",
"1",
"\"hey\" - \"hey\"",
"0",
"\"hey\" * \"hey\"",
"\"hey\"^2",
"\"aaaaaaaaaa\nbbbbbbbbbb\"",
]