; Addition and saturating overflow.
	{3 + 4 \ 7: !tests_failed : tests_failed + 1! '[FAIL] addition' R}
	{50000 + 50000 \ 65535: !tests_failed : tests_failed + 1! '[FAIL] addition overflow' R}

	; Subtraction saturates at zero.
	{10 - 3 \ 7: !tests_failed : tests_failed + 1! '[FAIL] subtraction' R}
	{3 - 10 \ 0: !tests_failed : tests_failed + 1! '[FAIL] subtraction underflow' R}

	; Multiplication and precedence.
	{3 * 4 \ 12: !tests_failed : tests_failed + 1! '[FAIL] multiplication' R}
	{1000 * 1000 \ 65535: !tests_failed : tests_failed + 1! '[FAIL] multiplication overflow' R}
	{2 + 3 * 4 \ 14: !tests_failed : tests_failed + 1! '[FAIL] precedence' R}
	{(2 + 3) * 4 \ 20: !tests_failed : tests_failed + 1! '[FAIL] parentheses' R}

	; Comparisons.
	{3 < 4 \ 1: !tests_failed : tests_failed + 1! '[FAIL] less than' R}
	{4 < 3 \ 0: !tests_failed : tests_failed + 1! '[FAIL] false less than' R}
	{4 > 3 \ 1: !tests_failed : tests_failed + 1! '[FAIL] greater than' R}
	{3 \ 3: !tests_failed : tests_failed + 1! '[FAIL] equality' R}
	{3 = 4: !tests_failed : tests_failed + 1! '[FAIL] inequality' R}

	; Variables use the same expression evaluator.
	!actual : 40!
	!expected : 42!
	!actual : actual + 2!
	{actual \ expected: !tests_failed : tests_failed + 1! '[FAIL] variables' R}

	%0:

*default:
	EOF