tests: misc: Add test suite for util.h with tests for COND_CODE_n

Added test suite to validate COND_CODE_0 and COND_CODE_1 macros.

Signed-off-by: Krzysztof Chruscinski <krzysztof.chruscinski@nordicsemi.no>

tests/misc/util/CMakeLists.txt

@@ -0,0 +1,6 @@
+cmake_minimum_required(VERSION 3.13.1)
+include($ENV{ZEPHYR_BASE}/cmake/app/boilerplate.cmake NO_POLICY_SCOPE)
+project(util)
+
+FILE(GLOB app_sources src/*.c)
+target_sources(app PRIVATE ${app_sources})

tests/misc/util/prj.conf

@@ -0,0 +1 @@
+CONFIG_ZTEST=y

tests/misc/util/src/main.c

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+/*
+ * Copyright (c) 2019 Nordic Semiconductor ASA
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <ztest.h>
+#include <misc/util.h>
+
+#define TEST_DEFINE_1 1
+#define TEST_DEFINE_0 0
+
+void test_COND_CODE_1(void)
+{
+	/* Test validates that expected code has been injected. Failure would
+	 * be seen in compilation (lack of variable or ununsed variable.
+	 */
+	COND_CODE_1(1, (u32_t x0 = 1;), (u32_t y0;))
+	zassert_true((x0 == 1), NULL);
+
+	COND_CODE_1(NOT_EXISTING_DEFINE, (u32_t x1 = 1;), (u32_t y1 = 1;))
+	zassert_true((y1 == 1), NULL);
+
+	COND_CODE_1(TEST_DEFINE_1, (u32_t x2 = 1;), (u32_t y2 = 1;))
+	zassert_true((x2 == 1), NULL);
+
+	COND_CODE_1(2, (u32_t x3 = 1;), (u32_t y3 = 1;))
+	zassert_true((y3 == 1), NULL);
+}
+
+void test_COND_CODE_0(void)
+{
+	/* Test validates that expected code has been injected. Failure would
+	 * be seen in compilation (lack of variable or ununsed variable.
+	 */
+	COND_CODE_0(0, (u32_t x0 = 1;), (u32_t y0;))
+	zassert_true((x0 == 1), NULL);
+
+	COND_CODE_0(NOT_EXISTING_DEFINE, (u32_t x1 = 1;), (u32_t y1 = 1;))
+	zassert_true((y1 == 1), NULL);
+
+	COND_CODE_0(TEST_DEFINE_0, (u32_t x2 = 1;), (u32_t y2 = 1;))
+	zassert_true((x2 == 1), NULL);
+
+	COND_CODE_0(2, (u32_t x3 = 1;), (u32_t y3 = 1;))
+	zassert_true((y3 == 1), NULL);
+}
+
+/*test case main entry*/
+void test_main(void)
+{
+	ztest_test_suite(test_ringbuffer_api,
+			 ztest_unit_test(test_COND_CODE_1),
+			 ztest_unit_test(test_COND_CODE_0)
+			 );
+	ztest_run_test_suite(test_ringbuffer_api);
+}

tests/misc/util/testcase.yaml

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+tests:
+  util_test:
+    tags: util