# see also: 053-division.cobra

namespace Test

	class Test

		def main is shared

			assert 1
			assert 2+2==4
			assert 4-2==2

			# unary minus
			assert -1
			assert -1==-1
			assert -1==0-1
			assert 2+-1==1

			# unary plus
			assert +1
			assert 2+ +1==3

			# multiply
			assert 2*4==8
			assert 2*-4==-8

			# modulus
			assert 5 % 4 == 1
			assert 5 % 5 == 0

			x = 1_000_000  # underscores are ignored by Cobra, but useful to people for separating thousands
			assert x==1000000
			
			assert 2*3 + 4
			assert (2*3 + 4) == 10
			assert 2*3 + 4*5 == 26
			assert (2*3 + 4*5) == 26

			.testAugmentedAssignment

		def testAugmentedAssignment is shared
			x as int = 0
			assert x==0
			x += 1
			assert x==1
			x += 1
			x *= 2
			assert x==4
			x -= 1
			assert x==3
			x //= 5
			assert x == 0