83     void testRoleNames();

   366 class StandardItemModelWithCustomRoleNames : public QStandardItemModel

   367 {

   368 public:

   369     enum CustomRole {

   370         CustomRole1 = Qt::UserRole,

   371         CustomRole2

   372     };

   373 

   374     StandardItemModelWithCustomRoleNames() {

   375         QHash<int, QByteArray> _roleNames = roleNames();

   376         _roleNames.insert(CustomRole1, "custom1");

   377         _roleNames.insert(CustomRole2, "custom2");

   378         setRoleNames(_roleNames);

   379     }

   380 };

   381 

   382 class AnotherStandardItemModelWithCustomRoleNames : public QStandardItemModel

   383 {

   384     public:

   385         enum CustomRole {

   386             AnotherCustomRole1 = Qt::UserRole + 10,  // Different to StandardItemModelWithCustomRoleNames::CustomRole1

   387             AnotherCustomRole2

   388         };

   389 

   390         AnotherStandardItemModelWithCustomRoleNames() {

   391             QHash<int, QByteArray> _roleNames = roleNames();

   392             _roleNames.insert(AnotherCustomRole1, "another_custom1");

   393             _roleNames.insert(AnotherCustomRole2, "another_custom2");

   394             setRoleNames(_roleNames);

   395         }

   396 };

   397 

   398 /**

   399     Verifies that @p subSet is a subset of @p superSet. That is, all keys in @p subSet exist in @p superSet and have the same values.

   400 */

   401 static void verifySubSetOf(const QHash<int, QByteArray> &superSet, const QHash<int, QByteArray> &subSet)

   402 {

   403     QHash<int, QByteArray>::const_iterator it = subSet.constBegin();

   404     const QHash<int, QByteArray>::const_iterator end = subSet.constEnd();

   405     for ( ; it != end; ++it ) {

   406         QVERIFY(superSet.contains(it.key()));

   407         QVERIFY(it.value() == superSet.value(it.key()));

   408     }

   409 }

   410 

   411 void tst_QAbstractProxyModel::testRoleNames()

   412 {

   413     QStandardItemModel defaultModel;

   414     StandardItemModelWithCustomRoleNames model;

   415     QHash<int, QByteArray> rootModelRoleNames = model.roleNames();

   416     QHash<int, QByteArray> defaultModelRoleNames = defaultModel.roleNames();

   417 

   418     verifySubSetOf( rootModelRoleNames, defaultModelRoleNames);

   419     QVERIFY( rootModelRoleNames.size() == defaultModelRoleNames.size() + 2 );

   420     QVERIFY( rootModelRoleNames.contains(StandardItemModelWithCustomRoleNames::CustomRole1));

   421     QVERIFY( rootModelRoleNames.contains(StandardItemModelWithCustomRoleNames::CustomRole2));

   422     QVERIFY( rootModelRoleNames.value(StandardItemModelWithCustomRoleNames::CustomRole1) == "custom1" );

   423     QVERIFY( rootModelRoleNames.value(StandardItemModelWithCustomRoleNames::CustomRole2) == "custom2" );

   424 

   425     SubQAbstractProxyModel proxy1;

   426     proxy1.setSourceModel(&model);

   427     QHash<int, QByteArray> proxy1RoleNames = proxy1.roleNames();

   428     verifySubSetOf( proxy1RoleNames, defaultModelRoleNames );

   429     QVERIFY( proxy1RoleNames.size() == defaultModelRoleNames.size() + 2 );

   430     QVERIFY( proxy1RoleNames.contains(StandardItemModelWithCustomRoleNames::CustomRole1));

   431     QVERIFY( proxy1RoleNames.contains(StandardItemModelWithCustomRoleNames::CustomRole2));

   432     QVERIFY( proxy1RoleNames.value(StandardItemModelWithCustomRoleNames::CustomRole1) == "custom1" );

   433     QVERIFY( proxy1RoleNames.value(StandardItemModelWithCustomRoleNames::CustomRole2) == "custom2" );

   434 

   435     SubQAbstractProxyModel proxy2;

   436     proxy2.setSourceModel(&proxy1);

   437     QHash<int, QByteArray> proxy2RoleNames = proxy2.roleNames();

   438     verifySubSetOf( proxy2RoleNames, defaultModelRoleNames );

   439     QVERIFY( proxy2RoleNames.size() == defaultModelRoleNames.size() + 2 );

   440     QVERIFY( proxy2RoleNames.contains(StandardItemModelWithCustomRoleNames::CustomRole1));

   441     QVERIFY( proxy2RoleNames.contains(StandardItemModelWithCustomRoleNames::CustomRole2));

   442     QVERIFY( proxy2RoleNames.value(StandardItemModelWithCustomRoleNames::CustomRole1) == "custom1" );

   443     QVERIFY( proxy2RoleNames.value(StandardItemModelWithCustomRoleNames::CustomRole2) == "custom2" );

   444 

   445 }

   446