AST-1637 Support model data in BdaBuffer

base/test/unit/tBdaBuffer.cc

@@ -474,6 +474,7 @@ BOOST_AUTO_TEST_CASE(add_data_after_adding_rows) {
 
 BOOST_AUTO_TEST_CASE(clear) {
   BdaBuffer buffer(3 * kDataSize);
+  buffer.AddData(kDataName);
 
   BOOST_CHECK(buffer.AddRow(kTime, kInterval, kExposure, kBaselineNr,
                             kNChannels, kNCorrelations));
@@ -486,11 +487,16 @@ BOOST_AUTO_TEST_CASE(clear) {
   BOOST_CHECK_EQUAL(buffer.GetNumberOfElements(), 3 * kDataSize);
   BOOST_CHECK_EQUAL(buffer.GetRemainingCapacity(), 0u);
   BOOST_CHECK_EQUAL(buffer.GetRows().size(), 3u);
+  BOOST_CHECK(buffer.HasData(""));
+  BOOST_CHECK(buffer.HasData(kDataName));
 
   buffer.Clear();
   BOOST_CHECK_EQUAL(buffer.GetNumberOfElements(), 0u);
   BOOST_CHECK_EQUAL(buffer.GetRemainingCapacity(), 3 * kDataSize);
   BOOST_CHECK_EQUAL(buffer.GetRows().size(), 0u);
+  // Clearing should only clear the content, not the data buffers themselves.
+  BOOST_CHECK(buffer.HasData(""));
+  BOOST_CHECK(buffer.HasData(kDataName));
 
   // Check that 3 rows can be added again.
   BOOST_CHECK(buffer.AddRow(kTime, kInterval, kExposure, kBaselineNr,