tests: move intmath test to be unit tests

Move to a unit test, no need to build this for every platform we have.

Signed-off-by: Anas Nashif <anas.nashif@intel.com>

tests/kernel/common/CMakeLists.txt

@@ -18,7 +18,6 @@ target_sources(app PRIVATE
 	src/atomic.c
 	src/byteorder.c
 	src/clock.c
-	src/intmath.c
 	src/main.c
 	src/timeout_order.c
 	src/multilib.c

tests/kernel/common/src/main.c

@@ -25,7 +25,6 @@ extern void test_sys_put_le32(void);
 extern void test_sys_get_le64(void);
 extern void test_sys_put_le64(void);
 extern void test_atomic(void);
-extern void test_intmath(void);
 extern void test_printk(void);
 extern void test_timeout_order(void);
 extern void test_clock_cycle(void);
@@ -119,7 +118,6 @@ void test_main(void)
 			 ztest_user_unit_test(test_atomic),
 			 ztest_unit_test(test_bitfield),
 			 ztest_unit_test(test_printk),
-			 ztest_unit_test(test_intmath),
 			 ztest_unit_test(test_timeout_order),
 			 ztest_1cpu_user_unit_test(test_clock_uptime),
 			 ztest_unit_test(test_clock_cycle),

tests/unit/intmath/CMakeLists.txt

@@ -0,0 +1,7 @@
+# SPDX-License-Identifier: Apache-2.0
+
+project(base64)
+set(SOURCES
+  main.c
+  )
+include($ENV{ZEPHYR_BASE}/subsys/testsuite/unittest.cmake)

tests/unit/intmath/main.c

@@ -98,3 +98,14 @@ void test_intmath(void)
 /**
  * @}
  */
+
+
+
+void test_main(void)
+{
+	ztest_test_suite(intmath,
+			 ztest_unit_test(test_intmath)
+			 );
+
+	ztest_run_test_suite(intmath);
+}

tests/unit/intmath/testcase.yaml

@@ -0,0 +1,4 @@
+tests:
+  utilities.intmath:
+    tags: util intmath
+    type: unit