extent attribute tests (parallle/serial)

extent attribute test case
  - write attribute to a not existing group
  - validate written attribute

Author: psychocoderHPC

tests/AttributesTest.cpp

@@ -78,6 +78,10 @@ void AttributesTest::testDataAttributes()
 
     dataCollector->writeAttribute(10, ctInt, NULL, "iteration", &sum2);
 
+    int groupNotExistsTestValue = 42;
+    /* check if it is possible to add an attribute to a not existing group */
+    dataCollector->writeAttribute(0, ctInt, "notExistingGroup/", "magic_number", &groupNotExistsTestValue);
+
     /* variable length string, '\0' terminated */
     const char *string_attr = {"My first c-string."};
     dataCollector->writeAttribute(10, ctString, NULL, "my_string", &string_attr);
@@ -124,6 +128,10 @@ void AttributesTest::testDataAttributes()
 
     dataCollector->open(TEST_FILE, attr);
 
+    int readGroupNotExistsTestValue = 0;
+    dataCollector->readAttribute(0, "notExistingGroup/", "magic_number", &readGroupNotExistsTestValue);
+    CPPUNIT_ASSERT(groupNotExistsTestValue == readGroupNotExistsTestValue);
+
     dataCollector->readAttribute(10, NULL, "iteration", &sum2);
 
     char* string_read;

tests/Parallel_AttributesTest.cpp

@@ -87,6 +87,10 @@ void Parallel_AttributesTest::testDataAttributes()
         dummy_data[2 * i + 1] = val_y;
     }
 
+    int groupNotExistsTestValue = 42;
+    /* check if it is possible to add an attribute to a not existing group */
+    dataCollector->writeAttribute(0, ctInt, "notExistingGroup/", "magic_number", &groupNotExistsTestValue);
+
     dataCollector->write(0, ctInt2, 1, Selection(Dimensions(BUF_SIZE, 1, 1)),
             "attr/attr2/attr3/data", dummy_data);
 
@@ -120,6 +124,10 @@ void Parallel_AttributesTest::testDataAttributes()
 
     dataCollector->open(TEST_FILE, attr);
 
+    int readGroupNotExistsTestValue = 0;
+    dataCollector->readAttribute(0, "notExistingGroup/", "magic_number", &readGroupNotExistsTestValue);
+    CPPUNIT_ASSERT(groupNotExistsTestValue == readGroupNotExistsTestValue);
+    
     sum = 0;
     neg_sum = 0;
     c = 'A';