void () { ValueContainerImpl<String> container = ValueContainerImpl.createNewValueContainer(); container.addValue(294005, "com"); container.addValue(294001, "com"); container.addValue(294010, null); container.removeValue(294010, null); container.addValue(294001, "com"); container.removeValue(294005, "com"); container.removeValue(294001, "com"); assertEquals("Actual container: " + container, 0, container.size()); }