def test_for_var_step(self):
test = 'y = []; for "_i" from 1 to 10 step 2 do {y pushBack _i;};'
interpreter, outcome = interpret(test)
self.assertEqual(Array([N(1), N(3), N(5), N(7),
N(9)]), interpreter['y'])
def test_foreach(self):
test = 'y = 0; {y = y + _x + _foreachindex} forEach [1,2]'
interpreter, _ = interpret(test)
self.assertEqual(N(1 + 0 + 2 + 1), interpreter['y'])
def test_forspec(self):
interpreter, outcome = interpret(
'_y = 0; for [{_x = 1},{_x <= 10},{_x = _x + 1}] do {_y = _y + 2}')
self.assertEqual(N(20), interpreter['_y'])
self.assertEqual(N(11), interpreter['_x'])
self.assertEqual(N(20), outcome)
def test_for_var(self):
test = 'y = []; for "_i" from 1 to 10 do {y pushBack _i;};'
interpreter, outcome = interpret(test)
self.assertEqual(Array([N(i) for i in range(1, 11)]), interpreter['y'])
def test_find(self):
_, outcome = interpret('"Hello world!" find "world!"')
self.assertEqual(N(6), outcome)
def test_while(self):
interpreter, outcome = interpret(
'_x = 0; while {_x != 10} do {_x = _x + 1};')
self.assertEqual(N(10), interpreter['_x'])
def test_pushBack(self):
interpreter, outcome = interpret('_x = [1]; _x pushBack 2')
self.assertEqual(Array([N(1), N(2)]), interpreter['_x'])
self.assertEqual(N(1), outcome)
def test_reverse(self):
interpreter, outcome = interpret('_x = [1, 2]; reverse _x')
self.assertEqual(Nothing(), outcome)
self.assertEqual(Array([N(2), N(1)]), interpreter['_x'])
def test_find(self):
_, outcome = interpret('[1, 2] find 2')
self.assertEqual(N(1), outcome)
_, outcome = interpret('[1, 2] find 3')
self.assertEqual(N(-1), outcome)
def test_subtract(self):
test = '_x = [1, 2, 3, 2, 4]; _y = [2, 3]; _z = _x - _y'
_, outcome = interpret(test)
self.assertEqual(Array([N(1), N(4)]), outcome)
def test_append(self):
interpreter, outcome = interpret('_x = [1,2]; _x append [3,4]')
self.assertEqual(Nothing(), outcome)
self.assertEqual(Array([N(1), N(2), N(3), N(4)]), interpreter['_x'])
def test_add(self):
test = '_x = [1, 2]; _y = [3, 4]; _z = _x + _y'
_, outcome = interpret(test)
self.assertEqual(Array([N(1), N(2), N(3), N(4)]), outcome)
def test_assign(self):
interpreter, outcome = interpret('_x = [1, 2];')
self.assertEqual(Array([N(1), N(2)]), interpreter['_x'])