Test: test framework and test suites

 -- Test framework
 -- Test secure service
 -- TFM Core secure/non-secure test suites
 -- SST secure/non-secure test suites

Change-Id: I5868d9a65a740b984748d975a3a5bd486cbfafc4
Signed-off-by: Abhishek Pandit <abhishek.pandit@arm.com>
Co-Authored-By: Mate Toth-pal <mate.toth-pal@arm.com>
Co-Authored-By: Antonio de Angelis <antonio.deangelis@arm.com>
Co-Authored-By: Miklos Balint <miklos.balint@arm.com>
Co-Authored-By: Jamie Fox <jamie.fox@arm.com>
Co-Authored-By: Ashutosh Singh <ashutosh.singh@arm.com>
diff --git a/test/framework/test_framework.h b/test/framework/test_framework.h
new file mode 100644
index 0000000..acd0315
--- /dev/null
+++ b/test/framework/test_framework.h
@@ -0,0 +1,140 @@
+/*
+ * Copyright (c) 2017, Arm Limited. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ *
+ */
+
+#ifndef __TEST_FRAMEWORK_H__
+#define __TEST_FRAMEWORK_H__
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <stdint.h>
+
+#include "helpers.h"
+
+enum test_status_t {
+    TEST_PASSED = 0,  /*!< Test has passed */
+    TEST_FAILED = 1,  /*!< Test has failed */
+};
+
+struct test_result_t {
+    enum test_status_t val;  /*!< Test result \ref test_status_t */
+    const char *info_msg;    /*!< Information message to show in case of
+                              *   failure
+                              */
+    const char *filename;    /*!< Filename where the failure has occured */
+    uint32_t    line;        /*!< Line where the failure has occured */
+};
+
+/**
+ * \brief Runs the test.
+ *
+ * \param[out] ret  Test result value
+ */
+typedef void TEST_FUN(struct test_result_t *ret);
+
+struct test_t {
+    TEST_FUN * const test;         /*!< Test function to call */
+    const char *name;              /*!< Test name */
+    const char *desc;              /*!< Test description */
+    struct test_result_t ret;      /*!< Test result */
+};
+
+struct test_suite_t;
+
+/**
+ * \brief Registers test in the testsuite structure and sets the name.
+ *
+ * \param[in] p_test_suite  Pointer to the p_test_suite_location.
+ */
+typedef void TESTSUITE_REG(struct test_suite_t *p_test_suite);
+
+struct test_suite_t {
+    TESTSUITE_REG * const freg;     /*!< Function to set all follow fields
+                                     *   of the current test suite
+                                     */
+    struct test_t *test_list;      /*!< List of tests */
+    uint32_t list_size;            /*!< List size */
+    const char *name;              /*!< Test suite name */
+    enum test_status_t val;        /*!< Test suite result \ref test_result_t */
+};
+
+enum test_suite_err_t {
+    TEST_SUITE_ERR_NO_ERROR = 0,           /*!< No error */
+    TEST_SUITE_ERR_INVALID_DATA = 1,       /*!< Invalid test suite if any of the
+                                            *   pointers is NULL
+                                            */
+    TEST_SUITE_ERR_INVALID_TEST_DATA = 2,  /*!< Invalid test if any of the
+                                            *  pointers is NULL
+                                            */
+    TEST_SUITE_ERR_TEST_FAILED  = 3,       /*!< Last executed test has failed */
+};
+
+/**
+ * \brief Translates the test suite error into a string.
+ *
+ * \param[in] err  Error value \ref test_suite_err_t
+ *
+ * \returns error as string.
+ */
+const char *test_err_to_str(enum test_suite_err_t err);
+
+/**
+ * \brief Sets test suite parameters in the \ref structure.
+ *
+ * \param[in] name       Test suite name
+ * \param[in] test_list  Pointer to the test list
+ * \param[in] size       Test list size
+ * \param[in/out] p_ts   Pointer to test suite object to fill in the
+ *                       parameters
+ *
+ * \returns Returns error code as specified in \ref test_suite_err_t
+ */
+enum test_suite_err_t set_testsuite(const char *name,
+                                    struct test_t *test_list, uint32_t size,
+                                    struct test_suite_t *p_ts);
+
+/**
+ * \brief Runs the given test suite.
+ *
+ * \param[in/out] test_suite  Test suite to run the list of tests and
+ *                            store test results.
+ *
+ * \returns Returns error code as specified in \ref test_suite_err_t
+ */
+enum test_suite_err_t run_testsuite(struct test_suite_t *test_suite);
+
+/**
+ * \brief Prints all test in the the given test suite.
+ *
+ * \param[in] ts  Test suite to print the list of tests
+ */
+void show_tests(const struct test_suite_t *ts);
+
+/**
+ * \brief Sets test failure state and information in the \ref sst_test_result_t
+ *        structure.
+ *
+ * \param[in]  info_msg  Information message to show
+ * \param[in]  filename  Filename where the error has ocurred
+ * \param[in]  line      Line in the file where the error has ocurred
+ * \param[out] ret       Pointer to \ref sst_test_result_t structure to
+ *                       set the values
+ *
+ * \note: If info_msg is "" or , info message is not shown. If filename is "",
+ *        filename and line are not shown.
+ */
+void set_test_failed(const char *info_msg, const char *filename, uint32_t line,
+                     struct test_result_t *ret);
+
+#define TEST_FAIL(info_msg)  set_test_failed(info_msg, __FILE__, __LINE__, ret)
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __TEST_FRAMEWORK_H__ */