Add unit test for BLE trace helper

Author: Abbas Bracken Ziad

connectivity/FEATURE_BLE/tests/UNITTESTS/.mbedignore

@@ -0,0 +1 @@
+*

connectivity/FEATURE_BLE/tests/UNITTESTS/FEATURE_BLE/source/common/ble_trace_helpers/test_ble_trace_helpers.cpp

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+/* mbed Microcontroller Library
+ * Copyright (c) 2021 ARM Limited
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * 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 "gtest/gtest.h"
+
+#include "ble_trace_helpers.h"
+#include "ble/common/UUID.h"
+
+TEST(to_string, UUID)
+{
+    static constexpr const size_t HYPHENS_DELIMITER_COUNT    = 4;
+    static constexpr const size_t LENGTH_OF_LONG_UUID_STRING = \
+            2 * UUID::LENGTH_OF_LONG_UUID + HYPHENS_DELIMITER_COUNT + 1;
+
+    static constexpr const char *STRING_UUID_0  = "53880000-65FD-4651-BA8E-91527F06C887";
+    static constexpr const char *STRING_UUID_1  = "53880001-65FD-4651-BA8E-91527F06C887";
+    static constexpr const char *STRING_UUID_2  = "53880002-65FD-4651-BA8E-91527F06C887";
+    static constexpr const char *STRING_UUID_3  = "53880003-65FD-4651-BA8E-91527F06C887";
+
+    const UUID UUID_0 = UUID(STRING_UUID_0);
+    const UUID UUID_1 = UUID(STRING_UUID_1);
+    const UUID UUID_2 = UUID(STRING_UUID_2);
+    const UUID UUID_3 = UUID(STRING_UUID_3);
+
+    EXPECT_TRUE(0 == std::memcmp(ble::to_string(UUID_0), STRING_UUID_0, LENGTH_OF_LONG_UUID_STRING));
+    EXPECT_TRUE(0 == std::memcmp(ble::to_string(UUID_1), STRING_UUID_1, LENGTH_OF_LONG_UUID_STRING));
+    EXPECT_TRUE(0 == std::memcmp(ble::to_string(UUID_2), STRING_UUID_2, LENGTH_OF_LONG_UUID_STRING));
+    EXPECT_TRUE(0 == std::memcmp(ble::to_string(UUID_3), STRING_UUID_3, LENGTH_OF_LONG_UUID_STRING));
+}

connectivity/FEATURE_BLE/tests/UNITTESTS/FEATURE_BLE/source/common/ble_trace_helpers/unittest.cmake

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+####################
+# UNIT TESTS
+####################
+
+set(unittest-includes ${unittest-includes}
+        ../connectivity/FEATURE_BLE/source/common
+        ../connectivity/FEATURE_BLE/source
+        ../connectivity/FEATURE_BLE/include/ble
+        ../connectivity/FEATURE_BLE/include
+        ../connectivity/FEATURE_BLE/libraries/cordio_stack/ble-host/sources/stack/cfg
+        ../connectivity/FEATURE_BLE/libraries/cordio_stack/ble-host/include
+        ../connectivity/FEATURE_BLE/libraries/cordio_stack/wsf/include
+
+        ../platform/mbed-trace/include/mbed-trace
+)
+
+set(unittest-sources
+        ../connectivity/FEATURE_BLE/source/common/ble_trace_helpers.cpp
+
+        ../platform/mbed-trace/source/mbed_trace.c
+)
+
+set(unittest-test-sources
+        ${CMAKE_CURRENT_LIST_DIR}/test_ble_trace_helpers.cpp
+)
+
+# BLE requires at least one role 'BROADCASTER' or 'OBSERVER' to be enabled
+add_compile_definitions(BLE_ROLE_BROADCASTER=1)