tests: add threads customdata api test case with unified kernel

the commit cover basic customdata apis:

k_thread_custom_data_set()
k_thread_custom_data_get()

Change-Id: Ide27cfd59230303767414c7f827d6ad627989a6f
Signed-off-by: jing wang <jing.j.wang@intel.com>

tests/kernel/threads_customdata/cdata_api/Makefile

@@ -0,0 +1,4 @@
+BOARD ?= qemu_x86
+CONF_FILE = prj.conf
+
+include ${ZEPHYR_BASE}/Makefile.inc

tests/kernel/threads_customdata/cdata_api/README

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+$make qemu
+Running test suite test_customdata_api
+tc_start() - test_customdata_get_set_coop
+===================================================================
+PASS - test_customdata_get_set_coop.
+tc_start() - test_customdata_get_set_preempt
+===================================================================
+PASS - test_customdata_get_set_preempt.
+===================================================================
+PROJECT EXECUTION SUCCESSFUL

tests/kernel/threads_customdata/cdata_api/prj.conf

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+CONFIG_ZTEST=y
+CONFIG_THREAD_CUSTOM_DATA=y

tests/kernel/threads_customdata/cdata_api/src/Makefile

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+include $(ZEPHYR_BASE)/tests/Makefile.test
+
+obj-y = main.o test_customdata_api.o

tests/kernel/threads_customdata/cdata_api/src/main.c

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+/*
+ * Copyright (c) 2016 Intel Corporation
+ *
+ * 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 "test_cdata.h"
+
+/**
+ * @addtogroup t_threads_customdata
+ * @{
+ * @defgroup t_threads_customdata_api test_threads_customdata_api
+ * @}
+ */
+
+/*test case main entry*/
+void test_main(void *p1, void *p2, void *p3)
+{
+	ARG_UNUSED(p1);
+	ARG_UNUSED(p2);
+	ARG_UNUSED(p3);
+
+	ztest_test_suite(test_customdata_api,
+		ztest_unit_test(test_customdata_get_set_coop),
+		ztest_unit_test(test_customdata_get_set_preempt));
+	ztest_run_test_suite(test_customdata_api);
+}

tests/kernel/threads_customdata/cdata_api/src/test_cdata.h

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+/*
+ * Copyright (c) 2016 Intel Corporation
+ *
+ * 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.
+ */
+
+#ifndef __TEST_CUSTOMDATA_H__
+#define __TEST_CUSTOMDATA_H__
+
+void test_customdata_get_set_coop(void);
+void test_customdata_get_set_preempt(void);
+
+#endif /* __TEST_CUSTOMDATA_H__ */

tests/kernel/threads_customdata/cdata_api/src/test_customdata_api.c

@@ -0,0 +1,70 @@
+/*
+ * Copyright (c) 2016 Intel Corporation
+ *
+ * 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>
+
+/*macro definition*/
+#define STACK_SIZE 256
+
+/*local variables*/
+static char __stack tstack[STACK_SIZE];
+
+static void customdata_entry(void *p1, void *p2, void *p3)
+{
+	uint32_t data = 1;
+
+	assert_is_null(k_thread_custom_data_get(), NULL);
+	while (1) {
+		k_thread_custom_data_set((void *)data);
+		/* relinguish cpu for a while */
+		k_sleep(50);
+		/** TESTPOINT: custom data comparison */
+		assert_equal(data, (uint32_t)k_thread_custom_data_get(), NULL);
+		data++;
+	}
+}
+
+/* test cases */
+/**
+ * @ingroup t_customdata_api
+ * @brief test thread custom data get/set from coop thread
+ */
+void test_customdata_get_set_coop(void)
+{
+	k_tid_t tid = k_thread_spawn(tstack, STACK_SIZE,
+		customdata_entry, NULL, NULL, NULL,
+		K_PRIO_COOP(1), 0, 0);
+	k_sleep(500);
+
+	/* cleanup environment */
+	k_thread_abort(tid);
+}
+
+/**
+ * @ingroup t_customdata_api
+ * @brief test thread custom data get/set from preempt thread
+ */
+void test_customdata_get_set_preempt(void)
+{
+	/** TESTPOINT: custom data of preempt thread */
+	k_tid_t tid = k_thread_spawn(tstack, STACK_SIZE,
+		customdata_entry, NULL, NULL, NULL,
+		K_PRIO_PREEMPT(0), 0, 0);
+	k_sleep(500);
+
+	/* cleanup environment */
+	k_thread_abort(tid);
+}

tests/kernel/threads_customdata/cdata_api/testcase.ini

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+[test]
+tags = kernel