Basic interaction test for buffer

sf-writer/test/main.cpp

@@ -1,5 +1,6 @@
 #include "gtest/gtest.h"
 #include "test_WriterH5Writer.cpp"
+#include "test_ImageAssembler.cpp"
 
 using namespace std;
 

sf-writer/test/test_ImageAssembler.cpp

@@ -0,0 +1,32 @@
+#include <memory>
+
+#include "ImageAssembler.hpp"
+#include "gtest/gtest.h"
+
+using namespace std;
+using namespace core_buffer;
+
+TEST(ImageAssembler, basic_interaction)
+{
+    size_t n_modules = 3;
+    uint64_t bunch_id = 0;
+
+    ImageAssembler assembler(n_modules);
+
+    ASSERT_EQ(assembler.is_slot_free(bunch_id), true);
+
+    auto buffer_block = make_unique<BufferBinaryBlock>();
+    auto buffer_ptr = buffer_block.get();
+
+    for (size_t i_module=0; i_module < n_modules; i_module++) {
+        assembler.process(bunch_id, i_module, buffer_ptr);
+    }
+
+    ASSERT_EQ(assembler.is_slot_full(bunch_id), true);
+
+    auto metadata = assembler.get_metadata_buffer(bunch_id);
+    auto data = assembler.get_data_buffer(bunch_id);
+
+    assembler.free_slot(bunch_id);
+    ASSERT_EQ(assembler.is_slot_free(bunch_id), true);
+}