Add CICADA loading unit tests

Author: aloeliger

L1Trigger/L1TCaloLayer1/test/BuildFile.xml

@@ -7,3 +7,11 @@
 
 <bin name="testUCTLayer1HF" file="testUCTLayer1HF.cpp">
 </bin>
+
+<bin name="testCICADAEmulation" file="testCICADAEmulation.cppunit.cc">
+    <use name="hls"/>
+    <use name="hls4mlEmulatorExtras"/>
+    <use name="CICADA"/>
+    <use name="cppunit"/>
+    <use name="Utilities/Testing"/>
+</bin>

L1Trigger/L1TCaloLayer1/test/testCICADAEmulation.cppunit.cc

@@ -0,0 +1,57 @@
+//Test of the external CICADA model emulation model loading and model unloading
+//Developed by Andrew Loeliger, Princeton University, Feb 23, 2023
+
+//We can't test a load of a bad model here, since that is a segfault, not an exception, which is 
+//OS level and cppunit cannot test against that in any way that qualifies as a success
+
+//TODO: However, it would be good in the future to assure that loading multiple CICADA models at the
+//same time have the correct function symbols assigned to each simultaneously
+//i.e. CICADA_v1's predict is not overwritten by CICADA_v2's predict if it is loaded later with a
+//CICADA_v1 still around
+
+//TODO: might also be nice to have a test for model integrity? Known test cases producing known outputs?
+//This may not be appropriate for unit testing however.
+
+#include "ap_fixed.h"
+#include "hls4ml/emulator.h"
+
+#include "cppunit/extensions/HelperMacros.h"
+#include <memory>
+#include "Utilities/Testing/interface/CppUnit_testdriver.icpp"
+
+class test_CICADA: public CppUnit::TestFixture{
+    CPPUNIT_TEST_SUITE(test_CICADA);
+    CPPUNIT_TEST(doModelV1Load);
+    CPPUNIT_TEST(doModelV2Load);
+    CPPUNIT_TEST(doMultiModelLoad);
+    CPPUNIT_TEST_SUITE_END();
+    
+    public:
+        void doModelV1Load();
+        void doModelV2Load();
+        void doMultiModelLoad();
+    
+
+};
+
+CPPUNIT_TEST_SUITE_REGISTRATION(test_CICADA);
+
+void test_CICADA::doModelV1Load(){
+    auto loader = hls4mlEmulator::ModelLoader("CICADAModel_v1");
+    auto model = loader.load_model();
+}
+
+void test_CICADA::doModelV2Load(){
+    auto loader = hls4mlEmulator::ModelLoader("CICADAModel_v2");
+    auto model = loader.load_model();
+}
+
+void test_CICADA::doMultiModelLoad(){
+    auto loader_v1 = hls4mlEmulator::ModelLoader("CICADAModel_v1");
+    auto loader_v2 = hls4mlEmulator::ModelLoader("CICADAModel_v2");
+    auto model_v1 = loader_v1.load_model();
+    auto model_v2 = loader_v2.load_model();
+}
+
+
+