Bugfix slider (#7047)

* Bugfix slider

* Update input_slider.py

* Update input_slider.py

homeassistant/components/input_slider.py

@@ -174,8 +174,8 @@ class InputSlider(Entity):
         state = yield from async_get_last_state(self.hass, self.entity_id)
         value = state and float(state.state)
 
-        # Check against False because value can be 0
-        if value is not False and self._minimum < value < self._maximum:
+        # Check against None because value can be 0
+        if value is not None and self._minimum <= value <= self._maximum:
             self._current_value = value
         else:
             self._current_value = self._minimum

tests/components/test_input_slider.py

@@ -133,3 +133,21 @@ def test_initial_state_overrules_restore_state(hass):
     state = hass.states.get('input_slider.b2')
     assert state
     assert float(state.state) == 60
+
+
+@asyncio.coroutine
+def test_no_initial_state_and_no_restore_state(hass):
+    """Ensure that entity is create without initial and restore feature."""
+    hass.state = CoreState.starting
+
+    yield from async_setup_component(hass, DOMAIN, {
+        DOMAIN: {
+            'b1': {
+                'min': 0,
+                'max': 100,
+            },
+        }})
+
+    state = hass.states.get('input_slider.b1')
+    assert state
+    assert float(state.state) == 0