improve module tests

2 files changed, 6 insertions, 1 deletions

diff --git a/tests/projects/linux/driver/hello/src/add.c b/tests/projects/linux/driver/hello/src/add.c
new file mode 100644
index 000000000..59aab4983
--- /dev/null
+++ b/tests/projects/linux/driver/hello/src/add.c
@@ -0,0 +1,3 @@
+int add(int a, int b) {
+    return a + b;
+}
diff --git a/tests/projects/linux/driver/hello/src/hello.c b/tests/projects/linux/driver/hello/src/hello.c
index 2614fb2cc..414a03bb2 100644
--- a/tests/projects/linux/driver/hello/src/hello.c
+++ b/tests/projects/linux/driver/hello/src/hello.c
@@ -6,9 +6,11 @@ MODULE_AUTHOR("Ruki");
 MODULE_DESCRIPTION("A simple Hello World Module");
 MODULE_ALIAS("a simplest module");
 
+int add(int a, int b);
+
 int hello_init(void)
 {
-    printk(KERN_INFO "Hello World\n");
+    printk(KERN_INFO "Hello World: %d\n", add(1, 2));
     return 0;
 }