def test_type_control(self):
text = 'INT a = 0 ; STRING b = "test" ; DOUBLE c = a + b'
scope = Root()
scope.code = self.parser.parse(text)
self.assertRaises(Exception, scope.eval_in_scope)
def test_unnecessary(self):
text1 = "{1; 2; 3; RETURN 4; 5}"
text2 = "{1; 2; 3; RETURN 4}"
scope1 = Root(code=self.parser.parse(text1))
scope2 = Root(code=self.parser.parse(text2))
self.assertEqual(scope1.code, scope2.code)
def check_in_scope_i(self, text, value):
scope = Root()
scope.code = self.parser.parse(text)
evaluated = scope.eval_in_scope()
if not isinstance(value, list):
evaluated = evaluated
self.assertEqual(evaluated, value)
def test_variable_assign(self):
text = 'INT a = 123123 ; a = 123 + 123 ; STRING s = "" ; s = "sweetnight" + " " + "to znaczy slodka noc"'
scope = Root()
scope.code = self.parser.parse(text)
scope.eval_in_scope()
self.eval_in_scope(scope, "a", ("NUMBER", 246))
self.eval_in_scope(scope, "s", ("STRING_T", "sweetnight to znaczy slodka noc"))
def test_nested(self):
text = "DEF INT fun1(INT i) { i }; DEF INT fun2(INT i ) { 1 + fun1(1)}; DEF INT fun3(INT i) { i - 1 }"
scope = Root()
scope.code = self.parser.parse(text)
scope.eval_in_scope()
self.eval_in_scope(scope, "fun1(1)", ("NUMBER", 1))
self.eval_in_scope(scope, "fun2(1)", ("NUMBER", 2))
self.eval_in_scope(scope, "fun3(fun1(2))", ("NUMBER", 1))
def test_hoist(self):
text1 = "INT x = 12; INT z = 0; INT y = 1; FOR(INT i = 0 ; i < 2 ; i = i + 1 ) { z = x + y } "
text2 = "x + y"
for_loop = self.parser.parse(text1)
expr = self.parser.parse(text2)
self.assertTrue(expr[0] in for_loop[-1].before.values())
scope = Root(code=for_loop)
scope.eval_in_scope()
self.eval_in_scope(scope, "z", ("NUMBER", 13))
def test_variable_init(self):
text = 'INT a = 0 ; STRING b = "test" ; DOUBLE c = 0.15 ; BOOL d = True'
scope = Root()
scope.code = self.parser.parse(text)
scope.eval_in_scope()
self.eval_in_scope(scope, "a", ("NUMBER", 0))
self.eval_in_scope(scope, "b", ("STRING_T", "test"))
self.eval_in_scope(scope, "c", ("NUMBER", 0.15))
self.eval_in_scope(scope, "d", ("BOOL", True))
def check_in_scope_f(self, text, value):
error = 1e-5
scope = Root()
scope.code = self.parser.parse(text)
ret_type, ret_val = scope.eval_in_scope()
v_type, v_val = value
self.assertEqual(ret_type, v_type)
self.assertTrue(abs(ret_val - v_val) < error)
def test_for(self):
text = "INT a = 0 ; FOR (INT i = 0 ; i < 4 ; i = i + 1) { a = a + i }"
scope = Root()
scope.code = self.parser.parse(text)
scope.eval_in_scope()
scope.code = self.parser.parse("a")
evaluated = scope.eval_in_scope()
self.assertEqual(evaluated, ("NUMBER", 6))
def test_fn_definition(self):
text = "DEF INT fun( INT i ) { i }"
scope = Root()
scope.code = self.parser.parse(text)
scope.eval_in_scope()
scope.code = self.parser.parse("fun(10)")
evaluated = scope.eval_in_scope()
self.assertEqual(evaluated, ("NUMBER", 10))
text = "DEF STRING fun1( INT i , STRING s ) { s + i }"
scope = Root()
scope.code = self.parser.parse(text)
scope.eval_in_scope()
scope.code = self.parser.parse('fun1(1 , "halo" )')
evaluated = scope.eval_in_scope()
self.assertEqual(evaluated, ("STRING_T", "halo1"))
def test_global(self):
text = "INT i = 0 ; FOR (INT i = 0 ; i < 4 ; i = i + 1) { i = i + i }"
scope = Root(code=self.parser.parse(text))
scope.eval_in_scope()
scope.code = self.parser.parse("i")
evaluated = scope.eval_in_scope()
self.assertEqual(evaluated, ("NUMBER", 0))
text = "{ GLOBAL INT x = 2138 }"
scope = Root(code=self.parser.parse(text))
scope.eval_in_scope()
scope.code = self.parser.parse("x")
evaluated = scope.eval_in_scope()
self.assertEqual(evaluated, ("NUMBER", 2138))
def test_global(self):
text = "INT i = 0 ; FOR (INT i = 0 ; i 4 < ; i = i 1 +) { i = i i +}"
scope = Root(code=self.parser.parse(text))
scope.eval_in_scope()
scope.code = self.parser.parse("i")
evaluated = scope.eval_in_scope()
self.assertEqual(evaluated, ("NUMBER", 0))
text = "{ GLOBAL INT x = 2138 }"
scope = Root(code=self.parser.parse(text))
scope.eval_in_scope()
scope.code = self.parser.parse("x")
evaluated = scope.eval_in_scope()
self.assertEqual(evaluated, ("NUMBER", 2138))
text = "DEF STRING fun1( INT i , STRING s ) { s i + }"
scope = Root()
scope.code = self.parser.parse(text)
scope.eval_in_scope()
scope.code = self.parser.parse('fun1(1 , "halo" )')
evaluated = scope.eval_in_scope()
self.assertEqual(evaluated, ("STRING_T", "halo1"))