// tests.vr — functions named test_* are picked up by `vr test`.
//   vr test examples/tests.vr

fn add(a, b) {
	return a + b
}

fn test_add() {
	assert add(2, 3) == 5
	assert add(-1, 1) == 0
}

fn test_strings() {
	let a = "foo"
	let b = "bar"
	assert a + b == "foobar"
	assert a != b
	assert a == "foo"
}

fn test_loops() {
	let total = 0
	let i = 1
	while i <= 10 {
		total = total + i
		i = i + 1
	}
	assert total == 55
}

fn test_booleans() {
	let x = 7
	assert x > 3 and x < 10
	assert x == 7 or x == 8
	assert not (x == 0)
}

fn test_failing() {
	// this one is meant to fail — shows up in `vr test` output
	assert 1 == 2
}