diff --git a/.github/workflows/testing.yml b/.github/workflows/testing.yml
index 84684fe..77b13cb 100644
--- a/.github/workflows/testing.yml
+++ b/.github/workflows/testing.yml
@@ -38,4 +38,4 @@ jobs:
           mkdir build
           cd build
           cmake -DSOCMAKE_BUILD_TESTING=TRUE ../
-          make check
+          make check_cdash
diff --git a/CTestConfig.cmake b/CTestConfig.cmake
new file mode 100644
index 0000000..d1c139f
--- /dev/null
+++ b/CTestConfig.cmake
@@ -0,0 +1,20 @@
+## This file should be placed in the root directory of your project.
+## Then modify the CMakeLists.txt file in the root directory of your
+## project to incorporate the testing dashboard.
+##
+## # The following are required to submit to the CDash dashboard:
+##   ENABLE_TESTING()
+##   INCLUDE(CTest)
+
+set(CTEST_PROJECT_NAME SoCMake)
+set(CTEST_NIGHTLY_START_TIME 01:00:00 UTC)
+
+if(CMAKE_VERSION VERSION_GREATER 3.14)
+  set(CTEST_SUBMIT_URL https://my.cdash.org/submit.php?project=SoCMake)
+else()
+  set(CTEST_DROP_METHOD "https")
+  set(CTEST_DROP_SITE "my.cdash.org")
+  set(CTEST_DROP_LOCATION "/submit.php?project=SoCMake")
+endif()
+
+set(CTEST_DROP_SITE_CDASH TRUE)
diff --git a/tests/CMakeLists.txt b/tests/CMakeLists.txt
index f079504..ca5c2f8 100644
--- a/tests/CMakeLists.txt
+++ b/tests/CMakeLists.txt
@@ -1,5 +1,16 @@
+cmake_minimum_required(VERSION 3.25)
+project(SoCMake_testing)
+
+include(CTest)
+
 add_custom_target(check
     COMMAND ctest $(JOBS) --output-on-failure
+    WORKING_DIRECTORY ${PROJECT_BINARY_DIR}/../
+    )
+
+add_custom_target(check_cdash
+    COMMAND ctest -D Nightly $(JOBS) --output-on-failure
+    WORKING_DIRECTORY ${PROJECT_BINARY_DIR}/../
     )
 
 add_subdirectory(iverilog)
diff --git a/tests/iverilog/CMakeLists.txt b/tests/iverilog/CMakeLists.txt
index 85af082..08da783 100644
--- a/tests/iverilog/CMakeLists.txt
+++ b/tests/iverilog/CMakeLists.txt
@@ -1,25 +1,2 @@
-cmake_minimum_required(VERSION 3.25)
-project(iverilog_simple_test NONE)
-
-add_ip(iverilog_simple_test
-    VENDOR tests
-    LIBRARY iverilog
-    VERSION 1.2.3
-    )
-
-ip_sources(${IP} VERILOG
-    ${PROJECT_SOURCE_DIR}/tb.v
-    )
-
-ip_compile_definitions(${IP} VERILOG SOME_DEF1=100)
-ip_include_directories(${IP} VERILOG ${PROJECT_SOURCE_DIR}/inc)
-
-iverilog(${IP}
-    EXECUTABLE ${PROJECT_BINARY_DIR}/tb
-    )
-
-include(CTest)
-
-add_test(NAME ${PROJECT_NAME} COMMAND ${PROJECT_BINARY_DIR}/tb)
-
-add_dependencies(check ${IP}_iverilog)
+add_subdirectory(iverilog_simple_test)
+add_subdirectory(iverilog_multi_top)
diff --git a/tests/iverilog/iverilog_multi_top/CMakeLists.txt b/tests/iverilog/iverilog_multi_top/CMakeLists.txt
new file mode 100644
index 0000000..83bbe47
--- /dev/null
+++ b/tests/iverilog/iverilog_multi_top/CMakeLists.txt
@@ -0,0 +1,25 @@
+cmake_minimum_required(VERSION 3.25)
+project(iverilog_multi_top NONE)
+
+add_ip(iverilog_multi_top
+    VENDOR tests
+    LIBRARY iverilog
+    VERSION 1
+    )
+
+ip_sources(${IP} VERILOG
+    ${PROJECT_SOURCE_DIR}/top1.v
+    ${PROJECT_SOURCE_DIR}/top2.v
+    )
+
+iverilog(${IP}
+    TOP_MODULE top2
+    EXECUTABLE ${PROJECT_BINARY_DIR}/tb
+    )
+
+include(CTest)
+
+add_test(NAME ${PROJECT_NAME} COMMAND ${PROJECT_BINARY_DIR}/tb)
+
+add_dependencies(check ${IP}_iverilog)
+add_dependencies(check_cdash ${IP}_iverilog)
diff --git a/tests/iverilog/inc/header.vh b/tests/iverilog/iverilog_multi_top/inc/header.vh
similarity index 100%
rename from tests/iverilog/inc/header.vh
rename to tests/iverilog/iverilog_multi_top/inc/header.vh
diff --git a/tests/iverilog/iverilog_multi_top/top1.v b/tests/iverilog/iverilog_multi_top/top1.v
new file mode 100644
index 0000000..10312c1
--- /dev/null
+++ b/tests/iverilog/iverilog_multi_top/top1.v
@@ -0,0 +1,6 @@
+module top1;
+    initial begin
+        $display("Module top1\n");
+        $fatal();
+    end
+endmodule
diff --git a/tests/iverilog/iverilog_multi_top/top2.v b/tests/iverilog/iverilog_multi_top/top2.v
new file mode 100644
index 0000000..6456bb2
--- /dev/null
+++ b/tests/iverilog/iverilog_multi_top/top2.v
@@ -0,0 +1,7 @@
+module top2;
+    initial begin
+        $display("Module top2\n");
+        $finish();
+    end
+endmodule
+
diff --git a/tests/iverilog/iverilog_simple_test/CMakeLists.txt b/tests/iverilog/iverilog_simple_test/CMakeLists.txt
new file mode 100644
index 0000000..03cc0bd
--- /dev/null
+++ b/tests/iverilog/iverilog_simple_test/CMakeLists.txt
@@ -0,0 +1,26 @@
+cmake_minimum_required(VERSION 3.25)
+project(iverilog_simple_test NONE)
+
+add_ip(iverilog_simple_test
+    VENDOR tests
+    LIBRARY iverilog
+    VERSION 1.2.3
+    )
+
+ip_sources(${IP} VERILOG
+    ${PROJECT_SOURCE_DIR}/tb.v
+    )
+
+ip_compile_definitions(${IP} VERILOG SOME_DEF1=100)
+ip_include_directories(${IP} VERILOG ${PROJECT_SOURCE_DIR}/inc)
+
+iverilog(${IP}
+    EXECUTABLE ${PROJECT_BINARY_DIR}/tb
+    )
+
+include(CTest)
+
+add_test(NAME ${PROJECT_NAME} COMMAND ${PROJECT_BINARY_DIR}/tb)
+
+add_dependencies(check ${IP}_iverilog)
+add_dependencies(check_cdash ${IP}_iverilog)
diff --git a/tests/iverilog/iverilog_simple_test/inc/header.vh b/tests/iverilog/iverilog_simple_test/inc/header.vh
new file mode 100644
index 0000000..2e493ca
--- /dev/null
+++ b/tests/iverilog/iverilog_simple_test/inc/header.vh
@@ -0,0 +1 @@
+`define INCLUDED_NUM 55
diff --git a/tests/iverilog/tb.v b/tests/iverilog/iverilog_simple_test/tb.v
similarity index 100%
rename from tests/iverilog/tb.v
rename to tests/iverilog/iverilog_simple_test/tb.v