public void testNewInstance() {
String[][] a23 = newStringMatrix(2, 3);
Assert.areEqual(2, a23.length);
for (int i = 0; i < a23.length; ++i) {
Assert.areEqual(3, a23[i].length);
}
}
public void testIsNDimensional() {
ReflectClass arrayOfArrayOfString = reflectClass(String[][].class);
Assert.isTrue(arrayOfArrayOfString.isArray());
final ReflectClass arrayOfString = reflectClass(String[].class);
Assert.areSame(arrayOfString, arrayOfArrayOfString.getComponentType());
Assert.isTrue(arrayReflector().isNDimensional(arrayOfArrayOfString));
Assert.isFalse(arrayReflector().isNDimensional(arrayOfString));
}
public void testUpdate() {
ExtObjectContainer oc = fixture().db();
initGenericObjects();
// Db4oUtil.dump(oc);
ReflectClass rc = getReflectClass(oc, PERSON_CLASSNAME);
Assert.isNotNull(rc);
Query q = oc.query();
q.constrain(rc);
ObjectSet results = q.execute();
// Db4oUtil.dumpResults(oc, results);
Assert.isTrue(results.size() == 1);
}
public void testGetStoredFields() {
assertStoredField(Item.class, FIELD_NAME, ITEM_NAME, String.class, true, false);
assertStoredField(ItemParent.class, "_array", null, String.class, false, true);
StoredClass itemStoredClass = itemStoredClass();
StoredField storedField = itemStoredClass.storedField(FIELD_NAME, null);
StoredField sameStoredField = itemStoredClass.getStoredFields()[0];
StoredField otherStoredField = storedClass(ItemParent.class).getStoredFields()[0];
Assert.equalsAndHashcode(storedField, sameStoredField, otherStoredField);
Assert.isNull(itemStoredClass.storedField("", null));
}
public void testQuery() {
ExtObjectContainer oc = fixture().db();
initGenericObjects();
ReflectClass rc = getReflectClass(oc, PERSON_CLASSNAME);
Assert.isNotNull(rc);
// now query to make sure there are none left
Query q = oc.query();
q.constrain(rc);
q.descend("surname").constrain("John");
ObjectSet results = q.execute();
Assert.isTrue(results.size() == 1);
}
public void testCreate() throws Exception {
initGenericObjects();
// fixture().reopen();
ExtObjectContainer oc = fixture().db();
// now check to see if person was saved
ReflectClass rc = getReflectClass(oc, PERSON_CLASSNAME);
Assert.isNotNull(rc);
Query q = oc.query();
q.constrain(rc);
ObjectSet results = q.execute();
Assert.isTrue(results.size() == 1);
// Db4oUtil.dumpResults(fixture().db(), results);
}
private void assertStoredField(
Class objectClass,
String fieldName,
final Object expectedFieldValue,
Class expectedFieldType,
boolean hasIndex,
boolean isArray) {
StoredClass storedClass = storedClass(objectClass);
StoredField[] storedFields = storedClass.getStoredFields();
Assert.areEqual(1, storedFields.length);
final StoredField storedField = storedFields[0];
Assert.areEqual(fieldName, storedField.getName());
StoredField storedFieldByName = storedClass.storedField(fieldName, expectedFieldType);
Assert.areEqual(storedField, storedFieldByName);
Object item = retrieveOnlyInstance(objectClass);
Assert.areEqual(expectedFieldValue, storedField.get(item));
ReflectClass fieldType = storedField.getStoredType();
Assert.areEqual(reflector().forClass(expectedFieldType), fieldType);
Assert.areEqual(isArray, storedField.isArray());
if (isMultiSession()) {
return;
}
Assert.areEqual(hasIndex, storedField.hasIndex());
// FIXME: test rename
if (!hasIndex) {
Assert.expect(
RuntimeException.class,
new CodeBlock() {
public void run() throws Throwable {
storedField.traverseValues(
new Visitor4() {
public void visit(Object obj) {}
});
}
});
} else {
final IntByRef count = new IntByRef();
storedField.traverseValues(
new Visitor4() {
public void visit(Object obj) {
count.value++;
Assert.areEqual(expectedFieldValue, obj);
}
});
Assert.areEqual(1, count.value);
}
}
protected void assertNullItem(Object obj) throws Exception {
ReflectClass claxx = reflector().forObject(obj);
ReflectField[] fields = claxx.getDeclaredFields();
for (int i = 0; i < fields.length; ++i) {
ReflectField field = fields[i];
if (field.isStatic() || field.isTransient()) {
continue;
}
ReflectClass type = field.getFieldType();
if (container().classMetadataForReflectClass(type).isValueType()) {
continue;
}
Object value = field.get(obj);
Assert.isNull(value);
}
}
/**
* This is to ensure that reflector.forObject(GenericArray) returns an instance of
* GenericArrayClass instead of GenericClass http://tracker.db4o.com/jira/browse/COR-376
*/
public void testGenericArrayClass() {
ExtObjectContainer oc = fixture().db();
initGenericObjects();
ReflectClass elementType = oc.reflector().forName(PERSON_CLASSNAME);
Object array = reflector().array().newInstance(elementType, 5);
ReflectClass arrayClass = oc.reflector().forObject(array);
Assert.isTrue(arrayClass.isArray());
Assert.isTrue(arrayClass instanceof GenericArrayClass);
arrayClass = oc.reflector().forName(array.getClass().getName());
Assert.isTrue(arrayClass.isArray());
Assert.isTrue(arrayClass instanceof GenericArrayClass);
arrayClass = oc.reflector().forClass(array.getClass());
Assert.isTrue(arrayClass.isArray());
Assert.isTrue(arrayClass instanceof GenericArrayClass);
Assert.areEqual(arrayClass.getName(), ReflectPlatform.fullyQualifiedName(array.getClass()));
Assert.areEqual("(GA) " + elementType.getName(), array.toString());
}
public void testGetName() {
StoredClass itemClass = itemStoredClass();
Assert.areEqual(reflector().forClass(Item.class).getName(), itemClass.getName());
}
public void testGetParentStoredClass() {
StoredClass itemClass = itemStoredClass();
StoredClass parentStoredClass = itemClass.getParentStoredClass();
Assert.areEqual(reflector().forClass(ItemParent.class).getName(), parentStoredClass.getName());
Assert.areEqual(parentStoredClass, db().storedClass(ItemParent.class));
}
public void testGetIds() {
StoredClass itemClass = itemStoredClass();
long[] ids = itemClass.getIDs();
Assert.areEqual(1, ids.length);
Assert.areEqual(_id, ids[0]);
}
public void testStoredClassImpl() {
Assert.isInstanceOf(StoredClassImpl.class, itemStoredClass());
}
public void testUnknownStoredClass() {
Assert.isNull(storedClass(this.getClass()));
}
public void testEqualsAndHashCode() {
StoredClass clazz = itemStoredClass();
StoredClass same = itemStoredClass();
StoredClass other = db().storedClass(ItemParent.class);
Assert.equalsAndHashcode(clazz, same, other);
}
private void assertHandlerComparison(Comparable4 handler, Object smaller, Object greater) {
PreparedComparison comparable = handler.prepareComparison(context(), smaller);
Assert.isNotNull(comparable);
Assert.areEqual(0, comparable.compareTo(smaller));
Assert.isSmaller(0, comparable.compareTo(greater));
Assert.isGreater(0, comparable.compareTo(null));
comparable = handler.prepareComparison(context(), greater);
Assert.isNotNull(comparable);
Assert.areEqual(0, comparable.compareTo(greater));
Assert.isGreater(0, comparable.compareTo(smaller));
Assert.isGreater(0, comparable.compareTo(null));
comparable = handler.prepareComparison(context(), null);
Assert.isNotNull(comparable);
Assert.areEqual(0, comparable.compareTo(null));
Assert.isSmaller(0, comparable.compareTo(smaller));
}