self._test('function f(){42}', None)
self._test('var f = function(){return 42;}', 42)
+ def test_add(self):
+ self._test('function f(){return 42 + 7;}', 49)
+ self._test('function f(){return 42 + undefined;}', NaN)
+ self._test('function f(){return 42 + null;}', 42)
+
+ def test_sub(self):
+ self._test('function f(){return 42 - 7;}', 35)
+ self._test('function f(){return 42 - undefined;}', NaN)
+ self._test('function f(){return 42 - null;}', 42)
+
+ def test_mul(self):
+ self._test('function f(){return 42 * 7;}', 294)
+ self._test('function f(){return 42 * undefined;}', NaN)
+ self._test('function f(){return 42 * null;}', 0)
+
def test_div(self):
jsi = JSInterpreter('function f(a, b){return a / b;}')
self._test(jsi, NaN, args=(0, 0))
self._test(jsi, float('inf'), args=(2, 0))
self._test(jsi, 0, args=(0, 3))
+ def test_mod(self):
+ self._test('function f(){return 42 % 7;}', 0)
+ self._test('function f(){return 42 % 0;}', NaN)
+ self._test('function f(){return 42 % undefined;}', NaN)
+
+ def test_exp(self):
+ self._test('function f(){return 42 ** 2;}', 1764)
+ self._test('function f(){return 42 ** undefined;}', NaN)
+ self._test('function f(){return 42 ** null;}', 1)
+ self._test('function f(){return undefined ** 42;}', NaN)
+
def test_calc(self):
self._test('function f(a){return 2*a+1;}', 7, args=[3])