Cosmo/examples/testsuite.cosmo

/*
    This script tests cosmo and makes sure everything still runs correctly. Pretty minimal for now
*/

print("starting Testsuite...")

// tests the string.* library

assert("Hello world!":sub(6) == "world!", "string.sub() failed!")
assert("A":rep(6) == "AAAAAA", "string.rep() failed!")

// tests some basic PEMDAS arithmetic

assert(2 * (2 + 6) == 16, "PEMDAS check #1 failed!")
assert(2 / 5 + 3 / 5 == 1, "PEMDAS check #2 failed!")

// iterator test

proto Range
    function __init(self, x)
        self.max = x
    end

    function __iter(self)
        self.i = 0
        return self
    end

    function __next(self)
        if self.i >= self.max then
            return nil // exit iterator loop
        end

        return self.i++
    end
end

var total = 0
for i in Range(100) do
    total = total + i
end

assert(total == 4950, "Iterator check failed!")

print("Testsuite passed!")