@Test
public void testGetOriginAfterRemovingRuleFromStylesheet() {
Rule instance = new Rule(Collections.EMPTY_LIST, Collections.EMPTY_LIST);
Stylesheet stylesheet = new Stylesheet();
stylesheet.getRules().add(instance);
stylesheet.setOrigin(StyleOrigin.INLINE);
stylesheet.getRules().remove(instance);
StyleOrigin result = instance.getOrigin();
assertNull(result);
}
@Test
public void testGetOriginAfterSettingOriginBeforeAddingRuleToStylesheet() {
Rule instance = new Rule(Collections.EMPTY_LIST, Collections.EMPTY_LIST);
Stylesheet stylesheet = new Stylesheet();
stylesheet.setOrigin(StyleOrigin.INLINE);
stylesheet.getRules().add(instance);
StyleOrigin expResult = StyleOrigin.INLINE;
StyleOrigin result = instance.getOrigin();
assertEquals(expResult, result);
}
@Test
public void testGetOriginWithoutAddingRuleToStylesheet() {
Rule instance = new Rule(Collections.EMPTY_LIST, Collections.EMPTY_LIST);
StyleOrigin result = instance.getOrigin();
assertNull(result);
}