public void test_writeRead() throws Exception {
when(contextA.getElement(eq(elementLocationA))).thenReturn(elementA);
when(contextB.getElement(eq(elementLocationB))).thenReturn(elementB);
when(elementA.getContext()).thenReturn(contextA);
when(elementB.getContext()).thenReturn(contextB);
// fill store
Location locationA = new Location(elementA, 0, 0);
Location locationB = new Location(elementB, 0, 0);
store.aboutToIndex(contextA, unitElementA);
store.aboutToIndex(contextB, unitElementB);
store.recordRelationship(elementA, relationship, locationA);
store.recordRelationship(elementB, relationship, locationB);
assertEquals(2, store.internalGetKeyCount());
assertEquals(2, store.internalGetLocationCount());
assertLocations(store.getRelationships(elementA, relationship), locationA);
assertLocations(store.getRelationships(elementB, relationship), locationB);
// write
byte[] content;
{
ByteArrayOutputStream baos = new ByteArrayOutputStream();
store.writeIndex(contextA, baos);
content = baos.toByteArray();
}
// clear
store.removeContext(contextA);
store.removeContext(contextB);
assertEquals(0, store.internalGetKeyCount());
assertEquals(0, store.internalGetLocationCount());
// we need to re-create AnalysisContext, current instance was marked as removed
{
contextA = mock(AnalysisContext.class);
when(contextA.getElement(eq(elementLocationA))).thenReturn(elementA);
when(elementA.getContext()).thenReturn(contextA);
}
// read
{
ByteArrayInputStream bais = new ByteArrayInputStream(content);
store.readIndex(contextA, bais);
}
// validate after read
assertEquals(1, store.internalGetKeyCount());
assertEquals(1, store.internalGetLocationCount());
{
Location[] locations = store.getRelationships(elementA, relationship);
assertLocations(locations, locationA);
}
}
/**
* Return the element being represented by this handle, reconstituting the element if the
* reference has been set to {@code null}.
*
* @return the element being represented by this handle
*/
protected Element getActualElement() {
Element element = elementReference.get();
if (element == null) {
element = context.getElement(location);
elementReference = new WeakReference<Element>(element);
}
return element;
}