Hw Watchdog UnitTest cases

-Added the unit test case for testing Hw watchdog
    -Added the supported stubs files

UNITTESTS/CMakeLists.txt

@@ -92,6 +92,7 @@ set(unittest-includes-base
   "${PROJECT_SOURCE_DIR}/target_h/events"
   "${PROJECT_SOURCE_DIR}/target_h/events/equeue"
   "${PROJECT_SOURCE_DIR}/target_h/platform"
+  "${PROJECT_SOURCE_DIR}/target_h/drivers"
   "${PROJECT_SOURCE_DIR}/stubs"
   "${PROJECT_SOURCE_DIR}/.."
   "${PROJECT_SOURCE_DIR}/../features"

UNITTESTS/platform/mbed_watchdog_mgr/Watchdog.cpp

@@ -0,0 +1,53 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2018 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.
+ */
+#ifdef DEVICE_WATCHDOG
+
+#include "Watchdog.h"
+
+namespace mbed
+{
+
+Watchdog *Watchdog::first;
+
+void Watchdog::start()
+{
+
+}
+
+void Watchdog::kick()
+{
+
+}
+
+void Watchdog::stop()
+{
+
+}
+
+void Watchdog::is_alive()
+{
+
+}
+
+Watchdog::~Watchdog()
+{
+
+}
+
+} // namespace mbed
+
+#endif // DEVICE_WATCHDOG

UNITTESTS/platform/mbed_watchdog_mgr/test_mbed_watchdog_mgr.cpp

@@ -0,0 +1,70 @@
+/*
+ * Copyright (c) 2018, Arm Limited and affiliates.
+ * 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 "gmock/gmock.h"
+#include "mbed_watchdog_mgr.h"
+
+using namespace mbed;
+extern bool testcase;
+// AStyle ignored as the definition is not clear due to preprocessor usage
+// *INDENT-OFF*
+// AStyle ignored as the definition is not clear due to preprocessor usage
+// *INDENT-OFF*
+class TestMbedWatchdogMgr : public testing::Test {
+protected:
+
+    void SetUp()
+    {
+    }
+
+    void TearDown()
+    {
+    }
+};
+// *INDENT-ON*
+
+TEST_F(TestMbedWatchdogMgr, test_mbed_watchdog_mgr_start_pass)
+{
+    EXPECT_TRUE(mbed_wdog_manager_start());
+}
+
+TEST_F(TestMbedWatchdogMgr, test_mbed_watchdog_mgr_start_fail)
+{
+    EXPECT_FALSE(mbed_wdog_manager_start());
+}
+
+TEST_F(TestMbedWatchdogMgr, test_mbed_watchdog_mgr_stop_pass)
+{
+    EXPECT_TRUE(mbed_wdog_manager_stop());
+}
+
+TEST_F(TestMbedWatchdogMgr, test_mbed_watchdog_mgr_stop_fail)
+{
+    EXPECT_FALSE(mbed_wdog_manager_stop());
+}
+
+TEST_F(TestMbedWatchdogMgr, test_mbed_wdog_manager_get_max_timeout)
+{
+    EXPECT_EQ(0xFFFFFFFF,mbed_wdog_manager_get_max_timeout());
+}
+
+
+TEST_F(TestMbedWatchdogMgr, mbed_wdog_manager_get_reload_value)
+{
+    EXPECT_EQ(500,mbed_wdog_manager_get_reload_value());
+}
+

UNITTESTS/platform/mbed_watchdog_mgr/unittest.cmake

@@ -0,0 +1,29 @@
+
+####################
+# UNIT TESTS
+####################
+set(TEST_SUITE_NAME "mbed_watchdog_mgr")
+# Add test specific include paths
+set(unittest-includes ${unittest-includes}
+  .
+  ../hal
+)
+
+# Source files
+set(unittest-sources
+  ../platform/mbed_watchdog_mgr.cpp
+  
+)
+
+# Test files
+set(unittest-test-sources
+  platform/mbed_watchdog_mgr/test_mbed_watchdog_mgr.cpp
+  platform/mbed_watchdog_mgr/Watchdog.cpp
+  stubs/mbed_assert_stub.c
+  stubs/mbed_critical_stub.c  
+  stubs/watchdog_api_stub.c
+)
+
+# defines
+set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -DDEVICE_WATCHDOG -DHW_WATCHDOG_TIMEOUT=500")
+set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -DDEVICE_WATCHDOG -DHW_WATCHDOG_TIMEOUT=500")

UNITTESTS/stubs/watchdog_api_stub.c

@@ -0,0 +1,48 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2017 ARM Limited
+ *
+ * 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 "watchdog_api.h"
+
+#if DEVICE_WATCHDOG
+
+watchdog_status_t hal_watchdog_init(const watchdog_config_t *config)
+{
+    return WATCHDOG_STATUS_OK;
+}
+
+void hal_watchdog_kick(void)
+{
+
+}
+
+watchdog_status_t hal_watchdog_stop(void)
+{
+     return WATCHDOG_STATUS_OK;
+}
+
+uint32_t hal_watchdog_get_reload_value(void)
+{
+  return (500);
+}
+
+
+watchdog_features_t hal_watchdog_get_platform_features(void)
+{
+  watchdog_features_t features;
+  features.max_timeout = 0xFFFFFFFF;
+  return features;
+}
+
+#endif // DEVICE_WATCHDOG

UNITTESTS/target_h/drivers/LowPowerTicker.h

@@ -0,0 +1,54 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2015 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.
+ */
+#ifndef MBED_LOWPOWERTICKER_H
+#define MBED_LOWPOWERTICKER_H
+
+#include "hal/ticker_api.h"
+#include "Callback.h"
+
+namespace mbed {
+/** \addtogroup drivers */
+
+/** mock Low Power Ticker
+ *
+ */
+class LowPowerTicker {
+
+public:
+    LowPowerTicker()
+    {
+    }
+
+    virtual ~LowPowerTicker()
+    {
+    }
+
+    void attach_us(Callback<void()> func, us_timestamp_t t)
+    {
+
+    }
+    void detach()
+    {
+
+    }
+};
+
+} // namespace mbed
+
+#endif
+
+