Add some cache test cases

tests/tests_simulator/cache/tests_cache.cpp

@@ -78,16 +78,51 @@ protected:
     Cache cache;
 };
 
-TEST_F(DirectMappedCache, Hello)
+TEST_F(DirectMappedCache, Basic)
 {
+    using sc_core::SC_NS;
+    using sc_core::sc_time;
+    using Command = ListInitiator::TestTransactionData::Command;
+
     std::vector<ListInitiator::TestTransactionData> list{
-        {sc_core::sc_time(1000, sc_core::SC_NS),
-         sc_core::sc_time(1017, sc_core::SC_NS),
-         ListInitiator::TestTransactionData::Command::Read,
-         0x0,
-         4,
-         0x0}};
+        // Test miss
+        {sc_time(0, SC_NS), sc_time(17, SC_NS), Command::Read, 0x0, 4, 0x0},
+
+        // Test secondary miss
+        {sc_time(1, SC_NS), sc_time(18, SC_NS), Command::Read, 0x0, 4, 0x0},
+
+        // Test hit
+        {sc_time(100, SC_NS), sc_time(106, SC_NS), Command::Read, 0x0, 4, 0x0},
+
+        // Test write hit
+        {sc_time(200, SC_NS), sc_time(206, SC_NS), Command::Write, 0x0, 4, 0x8},
+
+        // Test eviction
+        {sc_time(300, SC_NS), sc_time(317, SC_NS), Command::Write, 1024 * 32, 4, 0x0}};
 
     initiator.appendTestTransactionList(list);
     sc_core::sc_start();
 }
+
+// Does not work yet
+// Unclear if a snoop should even happen when the line eviction fails
+// TEST_F(DirectMappedCache, WriteBufferSnooping)
+// {
+//     using sc_core::SC_NS;
+//     using sc_core::sc_time;
+//     using Command = ListInitiator::TestTransactionData::Command;
+
+//     std::vector<ListInitiator::TestTransactionData> list{
+//         // Allocate line
+//         {sc_time(0, SC_NS), sc_time(17, SC_NS), Command::Write, 0x0, 4, 0x0},
+
+//         // Evict line
+//         {sc_time(100, SC_NS), sc_time(117, SC_NS), Command::Read, 1024 * 32, 4, 0x0},
+
+//         // Snoop from write buffer
+//         {sc_time(102, SC_NS), sc_time(108, SC_NS), Command::Read, 0x0, 4, 0x0},
+//     };
+
+//     initiator.appendTestTransactionList(list);
+//     sc_core::sc_start();
+// }