tests: add FlashIAP functional test

It currently tests functionality provided by flash IAP API like
read/program/erase and getters.

Author: 0xc0170

TESTS/mbed_drivers/flashiap/main.cpp

@@ -0,0 +1,137 @@
+
+/* 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.
+ */
+
+#if !DEVICE_FLASH
+    #error [NOT_SUPPORTED] Flash API not supported for this target
+#endif
+
+#include "utest/utest.h"
+#include "unity/unity.h"
+#include "greentea-client/test_env.h"
+
+#include "mbed.h"
+
+using namespace utest::v1;
+
+void flashiap_init_test()
+{
+    FlashIAP flash_device;
+    uint32_t ret = flash_device.init();
+    TEST_ASSERT_EQUAL_INT32(0, ret);
+    ret = flash_device.deinit();
+    TEST_ASSERT_EQUAL_INT32(0, ret);
+}
+
+void flashiap_program_test()
+{
+    FlashIAP flash_device;
+    uint32_t ret = flash_device.init();
+    TEST_ASSERT_EQUAL_INT32(0, ret);
+
+    // get the last sector size (flash size - 1)
+    uint32_t sector_size = flash_device.get_sector_size(flash_device.get_flash_start() + flash_device.get_flash_size() - 1UL);
+    uint32_t page_size = flash_device.get_page_size();
+    TEST_ASSERT_NOT_EQUAL(0, sector_size);
+    TEST_ASSERT_NOT_EQUAL(0, page_size);
+    TEST_ASSERT_TRUE(sector_size % page_size == 0);
+    const uint8_t test_value = 0xCE;
+    uint8_t *data = new uint8_t[page_size];
+    for (uint32_t i = 0; i < page_size; i++) {
+        data[i] = test_value;
+    }
+
+    // the one before the last sector in the system
+    uint32_t address = (flash_device.get_flash_start() + flash_device.get_flash_size()) - (sector_size);
+    TEST_ASSERT_TRUE(address != 0UL);
+    ret = flash_device.erase(address, sector_size);
+    TEST_ASSERT_EQUAL_INT32(0, ret);
+
+
+    for (uint32_t i = 0; i < sector_size / page_size; i++) {
+        uint32_t page_addr = address + i * page_size;
+        ret = flash_device.program(data, page_addr, page_size);
+        TEST_ASSERT_EQUAL_INT32(0, ret);
+    }
+
+    uint8_t *data_flashed = new uint8_t[page_size];
+    for (uint32_t i = 0; i < sector_size / page_size; i++) {
+        uint32_t page_addr = address + i * page_size;
+        ret = flash_device.read(data_flashed, page_addr, page_size);
+        TEST_ASSERT_EQUAL_INT32(0, ret);
+        TEST_ASSERT_EQUAL_UINT8_ARRAY(data, data_flashed, page_size);
+    }
+    delete[] data;
+    delete[] data_flashed;
+
+    ret = flash_device.deinit();
+    TEST_ASSERT_EQUAL_INT32(0, ret);
+}
+
+void flashiap_program_error_test()
+{
+    FlashIAP flash_device;
+    uint32_t ret = flash_device.init();
+    TEST_ASSERT_EQUAL_INT32(0, ret);
+
+    // get the last sector size (flash size - 1)
+    uint32_t sector_size = flash_device.get_sector_size(flash_device.get_flash_start() + flash_device.get_flash_size() - 1UL);
+    uint32_t page_size = flash_device.get_page_size();
+    TEST_ASSERT_NOT_EQUAL(0, sector_size);
+    TEST_ASSERT_NOT_EQUAL(0, page_size);
+    TEST_ASSERT_TRUE(sector_size % page_size == 0);
+    const uint8_t test_value = 0xCE;
+    uint8_t *data = new uint8_t[page_size];
+    for (uint32_t i = 0; i < page_size; i++) {
+        data[i] = test_value;
+    }
+
+    // the one before the last page in the system
+    uint32_t address = (flash_device.get_flash_start() + flash_device.get_flash_size()) - (sector_size);
+    TEST_ASSERT_TRUE(address != 0UL);
+
+    // unaligned address
+    ret = flash_device.erase(address + 1, sector_size);
+    TEST_ASSERT_EQUAL_INT32(-1, ret);
+    ret = flash_device.program(data, address + 1, page_size);
+    TEST_ASSERT_EQUAL_INT32(-1, ret);
+
+    // unaligned page size
+    ret = flash_device.program(data, address, page_size + 1);
+    TEST_ASSERT_EQUAL_INT32(-1, ret);
+
+    delete[] data;
+
+    ret = flash_device.deinit();
+    TEST_ASSERT_EQUAL_INT32(0, ret);
+}
+
+Case cases[] = {
+    Case("FlashIAP - init", flashiap_init_test),
+    Case("FlashIAP - program", flashiap_program_test),
+    Case("FlashIAP - program errors", flashiap_program_error_test),
+};
+
+utest::v1::status_t greentea_test_setup(const size_t number_of_cases) {
+    GREENTEA_SETUP(20, "default_auto");
+    return greentea_test_setup_handler(number_of_cases);
+}
+
+Specification specification(greentea_test_setup, cases, greentea_test_teardown_handler);
+
+int main() {
+    Harness::run(specification);
+}