Diff: mbed-os/TESTS/storage_abstraction/basicAPI/basicAPI.cpp

Revision:

0:2f0e1e23c242

diff -r 000000000000 -r 2f0e1e23c242 mbed-os/TESTS/storage_abstraction/basicAPI/basicAPI.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed-os/TESTS/storage_abstraction/basicAPI/basicAPI.cpp	Fri Apr 13 08:53:46 2018 +0000
@@ -0,0 +1,993 @@
+/*
+ * Copyright (c) 2006-2016, ARM Limited, All Rights Reserved
+ * 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.
+ */
+
+#if !DEVICE_STORAGE
+    #error [NOT_SUPPORTED] Storage not supported for this target
+#endif
+
+#ifndef AVOID_GREENTEA
+#include "greentea-client/test_env.h"
+#endif
+#include "utest/utest.h"
+#include "unity/unity.h"
+
+#include "storage_abstraction/Driver_Storage.h"
+
+#include <string.h>
+#include <inttypes.h>
+
+using namespace utest::v1;
+
+extern ARM_DRIVER_STORAGE ARM_Driver_Storage_MTD_K64F;
+ARM_DRIVER_STORAGE *drv = &ARM_Driver_Storage_MTD_K64F;
+
+/* temporary buffer to hold data for testing. */
+static const unsigned BUFFER_SIZE = 16384;
+static uint8_t buffer[BUFFER_SIZE];
+
+/* forward declaration */
+void initializationCompleteCallback(int32_t status, ARM_STORAGE_OPERATION operation);
+
+/*
+ * Most tests need some basic initialization of the driver before proceeding
+ * with their operations.
+ */
+static control_t preambleForBasicInitialization(void)
+{
+    ARM_STORAGE_CAPABILITIES capabilities = drv->GetCapabilities();
+
+    int32_t rc = drv->Initialize(initializationCompleteCallback);
+    TEST_ASSERT(rc >= ARM_DRIVER_OK);
+    if (rc == ARM_DRIVER_OK) {
+        TEST_ASSERT_EQUAL(1,  capabilities.asynchronous_ops);
+        return CaseTimeout(200) + CaseRepeatAll;
+    } else {
+        TEST_ASSERT(rc == 1);
+        return CaseRepeatAll;
+    }
+}
+
+template<typename T>
+static void verifyBytePattern(uint64_t addr, size_t sizeofData, T bytePattern)
+{
+    /* we're limited by BUFFER_SIZE in how much we can verify in a single iteration;
+     * the variable 'amountBeingVerified' captures the size being verified in each
+     * iteration. */
+    size_t amountBeingVerified = sizeofData;
+    if (amountBeingVerified > BUFFER_SIZE) {
+        amountBeingVerified = BUFFER_SIZE;
+    }
+    TEST_ASSERT((amountBeingVerified % sizeof(T)) == 0);
+
+    while (sizeofData) {
+        int32_t rc = drv->ReadData(addr, buffer, amountBeingVerified);
+        TEST_ASSERT_EQUAL(amountBeingVerified, rc);
+        for (size_t index = 0; index < amountBeingVerified / sizeof(T); index++) {
+            // if (bytePattern != ((const T *)buffer)[index]) {
+            //     printf("%u: expected %x, found %x\n", index, bytePattern, ((const T *)buffer)[index]);
+            // }
+            TEST_ASSERT_EQUAL(bytePattern, ((const T *)buffer)[index]);
+        }
+
+        sizeofData -= amountBeingVerified;
+        addr       += amountBeingVerified;
+    }
+}
+
+void test_getVersion()
+{
+    ARM_DRIVER_VERSION version = drv->GetVersion();
+
+    TEST_ASSERT_EQUAL(version.api, ARM_STORAGE_API_VERSION);
+    TEST_ASSERT_EQUAL(version.drv, ARM_DRIVER_VERSION_MAJOR_MINOR(1,00));
+}
+
+void test_getCapabilities()
+{
+    TEST_ASSERT(sizeof(ARM_STORAGE_CAPABILITIES) == sizeof(uint32_t));
+
+    ARM_STORAGE_CAPABILITIES capabilities = drv->GetCapabilities();
+    TEST_ASSERT_EQUAL(0, capabilities.reserved);
+}
+
+void test_getInfo()
+{
+    ARM_STORAGE_INFO info = {};
+    int32_t rc = drv->GetInfo(&info);
+    TEST_ASSERT_EQUAL(ARM_DRIVER_OK, rc);
+
+    TEST_ASSERT_EQUAL(0, info.security.reserved1);
+    TEST_ASSERT_EQUAL(0, info.security.reserved2);
+    TEST_ASSERT((info.program_cycles == ARM_STORAGE_PROGRAM_CYCLES_INFINITE) || (info.program_cycles > 0));
+    TEST_ASSERT(info.total_storage > 0);
+}
+
+void initializationCompleteCallback(int32_t status, ARM_STORAGE_OPERATION operation)
+{
+    printf("init complete callback\n");
+    TEST_ASSERT_EQUAL(1, status);
+    TEST_ASSERT_EQUAL(operation, ARM_STORAGE_OPERATION_INITIALIZE);
+
+    Harness::validate_callback();
+}
+
+control_t test_initialize(const size_t call_count)
+{
+    static const unsigned REPEAT_INSTANCES = 3;
+    printf("in test_initialize with call_count %u\n", call_count);
+
+    ARM_STORAGE_CAPABILITIES capabilities = drv->GetCapabilities();
+
+    int32_t rc = drv->Initialize(initializationCompleteCallback);
+    TEST_ASSERT(rc >= ARM_DRIVER_OK);
+    if (rc == ARM_DRIVER_OK) {
+        TEST_ASSERT_EQUAL(1, capabilities.asynchronous_ops);
+        return (call_count < REPEAT_INSTANCES) ? (CaseTimeout(200) + CaseRepeatAll) : (control_t) CaseNext;
+    }
+
+    TEST_ASSERT(rc == 1);
+    return (call_count < REPEAT_INSTANCES) ? CaseRepeatAll : CaseNext;
+}
+
+void uninitializationCompleteCallback(int32_t status, ARM_STORAGE_OPERATION operation)
+{
+    printf("uninit complete callback\n");
+    TEST_ASSERT_EQUAL(status, ARM_DRIVER_OK);
+    TEST_ASSERT_EQUAL(operation, ARM_STORAGE_OPERATION_UNINITIALIZE);
+
+    Harness::validate_callback();
+}
+
+control_t test_uninitialize(const size_t call_count)
+{
+    static const unsigned REPEAT_INSTANCES = 3;
+    printf("in test_uninitialize with call_count %u\n", call_count);
+
+    /* update the completion callback. */
+    if (call_count == 1) {
+        /* Achieve basic initialization for the driver before anything else. */
+        return preambleForBasicInitialization();
+    }
+
+    ARM_STORAGE_CAPABILITIES capabilities = drv->GetCapabilities();
+
+    int32_t rc = drv->Uninitialize();
+    if (call_count > 2) {
+        /* the driver should return some error for repeated un-initialization. */
+        TEST_ASSERT(rc < ARM_DRIVER_OK);
+        return (call_count < REPEAT_INSTANCES) ? CaseRepeatAll : CaseNext;
+    }
+    TEST_ASSERT(rc >= ARM_DRIVER_OK);
+    if (rc == ARM_DRIVER_OK) {
+        /* asynchronous operation */
+        TEST_ASSERT_EQUAL(1, capabilities.asynchronous_ops);
+        return CaseTimeout(200) + CaseRepeatAll;
+    }
+
+    /* synchronous operation */
+    TEST_ASSERT(rc == 1);
+    return (call_count < REPEAT_INSTANCES) ? CaseRepeatAll : CaseNext;
+}
+
+void powerControlCompleteCallback(int32_t status, ARM_STORAGE_OPERATION operation)
+{
+    printf("power control complete callback\n");
+    TEST_ASSERT_EQUAL(status, ARM_DRIVER_OK);
+    TEST_ASSERT_EQUAL(operation, ARM_STORAGE_OPERATION_POWER_CONTROL);
+
+    Harness::validate_callback();
+}
+
+control_t test_powerControl(const size_t call_count)
+{
+    static const unsigned REPEAT_INSTANCES = 2;
+    printf("in test_powerControl with call_count %u\n", call_count);
+
+    ARM_STORAGE_CAPABILITIES capabilities = drv->GetCapabilities();
+
+    if (call_count == 1) {
+        /* Achieve basic initialization for the driver before anything else. */
+        return preambleForBasicInitialization();
+    }
+
+    /* Update the completion callback to 'powerControlCompleteCallback'. */
+    if (call_count == 2) {
+        int32_t rc = drv->Initialize(powerControlCompleteCallback);
+        TEST_ASSERT(rc == 1); /* Expect synchronous completion of initialization; the system must have been
+                               * initialized by the previous iteration. */
+    }
+
+    int32_t rc = drv->PowerControl(ARM_POWER_FULL);
+    if (rc == ARM_DRIVER_OK) {
+        TEST_ASSERT_EQUAL(1, capabilities.asynchronous_ops);
+        return (call_count < REPEAT_INSTANCES) ? CaseTimeout(200) + CaseRepeatAll: CaseTimeout(200);
+    } else {
+        TEST_ASSERT(rc == 1);
+        return (call_count < REPEAT_INSTANCES) ? CaseRepeatAll : CaseNext;
+    }
+}
+
+void readDataCompleteCallback(int32_t status, ARM_STORAGE_OPERATION operation)
+{
+    printf("ReadData complete callback\n");
+    TEST_ASSERT_EQUAL(status, ARM_DRIVER_OK);
+    TEST_ASSERT_EQUAL(operation, ARM_STORAGE_OPERATION_READ_DATA);
+
+    Harness::validate_callback();
+}
+
+control_t test_readData(const size_t call_count)
+{
+    static const unsigned REPEAT_INSTANCES = 5;
+    printf("in test_readData with call_count %u\n", call_count);
+
+    ARM_STORAGE_CAPABILITIES capabilities = drv->GetCapabilities();
+
+    if (call_count == 1) {
+        /* Achieve basic initialization for the driver before anything else. */
+        return preambleForBasicInitialization();
+    }
+
+    /* Update the completion callback to 'readDataCompleteCallback'. */
+    int32_t rc;
+    if (call_count == 2) {
+        rc = drv->Initialize(readDataCompleteCallback);
+        TEST_ASSERT(rc == 1); /* Expect synchronous completion of initialization; the system must have been
+                               * initialized by the previous iteration. */
+    }
+
+    /* Get the first block. */
+    ARM_STORAGE_BLOCK firstBlock;
+    drv->GetNextBlock(NULL, &firstBlock); /* get first block */
+    TEST_ASSERT(ARM_STORAGE_VALID_BLOCK(&firstBlock));
+    TEST_ASSERT(firstBlock.size > 0);
+
+    ARM_STORAGE_INFO info;
+    rc = drv->GetInfo(&info);
+    TEST_ASSERT_EQUAL(ARM_DRIVER_OK, rc);
+
+    TEST_ASSERT(info.program_unit <= BUFFER_SIZE);
+    TEST_ASSERT(firstBlock.size >= (REPEAT_INSTANCES - 1) * info.program_unit);
+
+    /* choose an increasing address for each iteration. */
+    uint64_t addr = firstBlock.addr + (call_count - 1) * info.program_unit;
+    size_t sizeofData = info.program_unit;
+
+    rc = drv->ReadData(addr, buffer, sizeofData);
+    if (rc == ARM_DRIVER_OK) {
+        TEST_ASSERT_EQUAL(1, capabilities.asynchronous_ops);
+        return (call_count < REPEAT_INSTANCES) ? CaseTimeout(200) + CaseRepeatAll: CaseTimeout(200);
+    } else {
+        TEST_ASSERT(rc > 0);
+        return (call_count < REPEAT_INSTANCES) ? CaseRepeatAll : CaseNext;
+    }
+}
+
+void programDataCompleteCallback(int32_t status, ARM_STORAGE_OPERATION operation)
+{
+    TEST_ASSERT(status >= 0);
+    static unsigned programIteration = 0;
+
+    static const uint32_t BYTE_PATTERN = 0xAA551122;
+    ARM_STORAGE_BLOCK firstBlock;
+    drv->GetNextBlock(NULL, &firstBlock); /* get first block */
+    TEST_ASSERT(ARM_STORAGE_VALID_BLOCK(&firstBlock));
+
+    ARM_STORAGE_INFO info;
+    int32_t rc = drv->GetInfo(&info);
+    TEST_ASSERT_EQUAL(ARM_DRIVER_OK, rc);
+
+    const uint64_t addr = firstBlock.addr + programIteration * firstBlock.attributes.erase_unit;
+    size_t sizeofData = info.program_unit;
+    ARM_STORAGE_CAPABILITIES capabilities = drv->GetCapabilities();
+
+    TEST_ASSERT((operation == ARM_STORAGE_OPERATION_ERASE) || (operation == ARM_STORAGE_OPERATION_PROGRAM_DATA));
+    if (operation == ARM_STORAGE_OPERATION_ERASE) {
+        // printf("programming %u bytes at address %lu with pattern 0x%" PRIx32 "\n", sizeofData, (uint32_t)addr, BYTE_PATTERN);
+
+        size_t sizeofData = info.program_unit;
+        TEST_ASSERT(BUFFER_SIZE >= sizeofData);
+        TEST_ASSERT((sizeofData % sizeof(uint32_t)) == 0);
+        for (size_t index = 0; index < sizeofData / sizeof(uint32_t); index++) {
+            ((uint32_t *)buffer)[index] = BYTE_PATTERN;
+        }
+
+        status = drv->ProgramData(addr, buffer, sizeofData);
+        if (status < ARM_DRIVER_OK) {
+            return; /* failure. this will trigger a timeout and cause test failure. */
+        }
+        if (status == ARM_DRIVER_OK) {
+            TEST_ASSERT_EQUAL(1, capabilities.asynchronous_ops);
+            return; /* We've successfully pended a programData operation; we'll have another
+                     * invocation of this callback when programming completes. */
+        }
+    }
+
+    /* We come here either because of completion for program-data or as a very
+     * unlikely fall through from synchronous completion of program-data (above). */
+
+#ifndef __CC_ARM
+    printf("verifying programmed sector at addr %lu\n", (uint32_t)addr);
+#endif
+    verifyBytePattern(addr, sizeofData, BYTE_PATTERN);
+    ++programIteration;
+
+    Harness::validate_callback();
+}
+
+control_t test_programDataUsingProgramUnit(const size_t call_count)
+{
+    static const unsigned REPEAT_INSTANCES = 5;
+    printf("in test_programDataUsingProgramUnit with call_count %u\n", call_count);
+
+    if (call_count == 1) {
+        /* Achieve basic initialization for the driver before anything else. */
+        return preambleForBasicInitialization();
+    }
+
+    /* Get the first block. */
+    ARM_STORAGE_BLOCK firstBlock;
+    drv->GetNextBlock(NULL, &firstBlock); /* get first block */
+    TEST_ASSERT(ARM_STORAGE_VALID_BLOCK(&firstBlock));
+    TEST_ASSERT(firstBlock.size > 0);
+
+    ARM_STORAGE_INFO info;
+    int32_t rc = drv->GetInfo(&info);
+    TEST_ASSERT_EQUAL(ARM_DRIVER_OK, rc);
+
+    TEST_ASSERT(info.program_unit <= firstBlock.attributes.erase_unit);
+    TEST_ASSERT(firstBlock.size >= (REPEAT_INSTANCES - 1) * firstBlock.attributes.erase_unit);
+
+    /* initialize the buffer to hold the pattern. */
+    ARM_STORAGE_CAPABILITIES capabilities = drv->GetCapabilities();
+
+    /* Update the completion callback to 'programDataCompleteCallback'. */
+    if (call_count == 2) {
+        int32_t rc = drv->Initialize(programDataCompleteCallback);
+        TEST_ASSERT(rc == 1); /* Expect synchronous completion of initialization; the system must have been
+                               * initialized by the previous iteration. */
+    }
+
+    /* choose an increasing address for each iteration. */
+    uint64_t addr = firstBlock.addr + (call_count - 2) * firstBlock.attributes.erase_unit;
+
+    /* erase the sector at 'addr' */
+    printf("erasing sector at addr %lu\n", (uint32_t)addr);
+    rc = drv->Erase(addr, firstBlock.attributes.erase_unit);
+    TEST_ASSERT(rc >= 0);
+    if (rc == ARM_DRIVER_OK) {
+        TEST_ASSERT_EQUAL(1, capabilities.asynchronous_ops);
+        return (call_count < REPEAT_INSTANCES) ? CaseTimeout(200) + CaseRepeatAll: CaseTimeout(200);
+    } else {
+        TEST_ASSERT_EQUAL(firstBlock.attributes.erase_unit, rc);
+        verifyBytePattern(addr, firstBlock.attributes.erase_unit, info.erased_value ? (uint8_t)0xFF : (uint8_t)0);
+
+        static const uint32_t BYTE_PATTERN = 0xAA551122;
+        size_t sizeofData = info.program_unit;
+        TEST_ASSERT(BUFFER_SIZE >= sizeofData);
+        TEST_ASSERT((sizeofData % sizeof(uint32_t)) == 0);
+        for (size_t index = 0; index < sizeofData / sizeof(uint32_t); index++) {
+            ((uint32_t *)buffer)[index] = BYTE_PATTERN;
+        }
+
+        /* program the sector at addr */
+        // printf("programming %u bytes at address %lu with pattern 0x%" PRIx32 "\n", sizeofData, (uint32_t)addr, BYTE_PATTERN);
+        rc = drv->ProgramData((uint32_t)addr, buffer, sizeofData);
+        if (rc == ARM_DRIVER_OK) {
+            TEST_ASSERT_EQUAL(1, capabilities.asynchronous_ops);
+            return (call_count < REPEAT_INSTANCES) ? CaseTimeout(200) + CaseRepeatAll: CaseTimeout(200);
+        } else {
+            TEST_ASSERT(rc > 0);
+
+            printf("verifying programmed sector at addr %lu\n", (uint32_t)addr);
+            verifyBytePattern(addr, sizeofData, BYTE_PATTERN);
+
+            return (call_count < REPEAT_INSTANCES) ? CaseRepeatAll : CaseNext;
+        }
+    }
+}
+
+void programDataOptimalCompleteCallback(int32_t status, ARM_STORAGE_OPERATION operation)
+{
+    TEST_ASSERT(status >= 0);
+    static unsigned programIteration = 0;
+
+    static const uint8_t BYTE_PATTERN = 0xAA;
+    ARM_STORAGE_BLOCK firstBlock;
+    drv->GetNextBlock(NULL, &firstBlock); /* get first block */
+    TEST_ASSERT(ARM_STORAGE_VALID_BLOCK(&firstBlock));
+    const uint64_t addr = firstBlock.addr + programIteration * firstBlock.attributes.erase_unit;
+
+    ARM_STORAGE_INFO info;
+    int32_t rc = drv->GetInfo(&info);
+    TEST_ASSERT_EQUAL(ARM_DRIVER_OK, rc);
+
+    size_t sizeofData = info.optimal_program_unit;
+    ARM_STORAGE_CAPABILITIES capabilities = drv->GetCapabilities();
+
+    TEST_ASSERT((operation == ARM_STORAGE_OPERATION_ERASE) || (operation == ARM_STORAGE_OPERATION_PROGRAM_DATA));
+    if (operation == ARM_STORAGE_OPERATION_ERASE) {
+#ifndef __CC_ARM
+        printf("programming %u bytes at address %lu with pattern 0x%x\n", sizeofData, (uint32_t)addr, BYTE_PATTERN);
+#endif
+        size_t sizeofData = info.optimal_program_unit;
+        TEST_ASSERT(BUFFER_SIZE >= sizeofData);
+        memset(buffer, BYTE_PATTERN, sizeofData);
+
+        status = drv->ProgramData(addr, buffer, sizeofData);
+        if (status < ARM_DRIVER_OK) {
+            return; /* failure. this will trigger a timeout and cause test failure. */
+        }
+        if (status == ARM_DRIVER_OK) {
+            TEST_ASSERT_EQUAL(1, capabilities.asynchronous_ops);
+            return; /* We've successfully pended a programData operation; we'll have another
+                     * invocation of this callback when programming completes. */
+        }
+    }
+
+    /* We come here either because of completion for program-data or as a very
+     * unlikely fall through from synchronous completion of program-data (above). */
+
+#ifndef __CC_ARM
+    printf("verifying programmed sector at addr %lu\n", (uint32_t)addr);
+#endif
+    verifyBytePattern(addr, sizeofData, BYTE_PATTERN);
+    ++programIteration;
+
+    Harness::validate_callback();
+}
+
+control_t test_programDataUsingOptimalProgramUnit(const size_t call_count)
+{
+    static const unsigned REPEAT_INSTANCES = 5;
+    printf("in test_programDataUsingOptimalProgramUnit with call_count %u\n", call_count);
+
+    if (call_count == 1) {
+        /* Achieve basic initialization for the driver before anything else. */
+        return preambleForBasicInitialization();
+    }
+
+    /* Get the first block. */
+    ARM_STORAGE_BLOCK firstBlock;
+    drv->GetNextBlock(NULL, &firstBlock); /* get first block */
+    TEST_ASSERT(ARM_STORAGE_VALID_BLOCK(&firstBlock));
+    TEST_ASSERT(firstBlock.size > 0);
+
+    ARM_STORAGE_INFO info;
+    int32_t rc = drv->GetInfo(&info);
+    TEST_ASSERT_EQUAL(ARM_DRIVER_OK, rc);
+
+    TEST_ASSERT(info.optimal_program_unit <= firstBlock.attributes.erase_unit);
+    TEST_ASSERT(firstBlock.size >= (REPEAT_INSTANCES - 1) * firstBlock.attributes.erase_unit);
+
+    /* initialize the buffer to hold the pattern. */
+    ARM_STORAGE_CAPABILITIES capabilities = drv->GetCapabilities();
+
+    /* Update the completion callback to 'programDataCompleteCallback'. */
+    if (call_count == 2) {
+        int32_t rc = drv->Initialize(programDataOptimalCompleteCallback);
+        TEST_ASSERT(rc == 1); /* Expect synchronous completion of initialization; the system must have been
+                               * initialized by the previous iteration. */
+    }
+
+    /* choose an increasing address for each iteration. */
+    uint64_t addr = firstBlock.addr + (call_count - 2) * firstBlock.attributes.erase_unit;
+
+    /* erase the sector at 'addr' */
+    printf("erasing sector at addr %lu\n", (uint32_t)addr);
+    rc = drv->Erase(addr, firstBlock.attributes.erase_unit);
+    TEST_ASSERT(rc >= 0);
+    if (rc == ARM_DRIVER_OK) {
+        TEST_ASSERT_EQUAL(1, capabilities.asynchronous_ops);
+        return (call_count < REPEAT_INSTANCES) ? CaseTimeout(200) + CaseRepeatAll: CaseTimeout(200);
+    } else {
+        TEST_ASSERT_EQUAL(firstBlock.attributes.erase_unit, rc);
+        verifyBytePattern(addr, firstBlock.attributes.erase_unit, info.erased_value ? (uint8_t)0xFF : (uint8_t)0);
+
+        static const uint8_t BYTE_PATTERN = 0xAA;
+        size_t sizeofData = info.optimal_program_unit;
+        TEST_ASSERT(BUFFER_SIZE >= sizeofData);
+        memset(buffer, BYTE_PATTERN, sizeofData);
+
+        /* program the sector at addr */
+        printf("programming %u bytes at address %lu with pattern 0x%x\n", sizeofData, (uint32_t)addr, BYTE_PATTERN);
+        rc = drv->ProgramData((uint32_t)addr, buffer, sizeofData);
+        if (rc == ARM_DRIVER_OK) {
+            TEST_ASSERT_EQUAL(1, capabilities.asynchronous_ops);
+            return (call_count < REPEAT_INSTANCES) ? CaseTimeout(200) + CaseRepeatAll: CaseTimeout(200);
+        } else {
+            TEST_ASSERT_EQUAL(sizeofData, rc);
+
+            printf("verifying programmed sector at addr %lu\n", (uint32_t)addr);
+            verifyBytePattern(addr, sizeofData, BYTE_PATTERN);
+
+            return (call_count < REPEAT_INSTANCES) ? CaseRepeatAll : CaseNext;
+        }
+    }
+}
+
+void test_eraseWithInvalidParameters(void)
+{
+    int32_t rc;
+
+    rc = drv->Erase(0, 0);
+    TEST_ASSERT_EQUAL(ARM_DRIVER_ERROR_PARAMETER, rc);
+
+    /* operate before the start of the first block. */
+    ARM_STORAGE_BLOCK block;
+    rc = drv->GetNextBlock(NULL, &block); /* get the first block */
+    TEST_ASSERT_EQUAL(ARM_DRIVER_OK, rc);
+    TEST_ASSERT(ARM_STORAGE_VALID_BLOCK(&block));
+    TEST_ASSERT(block.size > 0);
+    rc = drv->Erase(block.addr - 1, BUFFER_SIZE);
+    TEST_ASSERT_EQUAL(ARM_DRIVER_ERROR_PARAMETER, rc);
+
+    /* operate at an address past the end of the last block */
+    uint64_t endAddr = block.addr + block.size;
+    for (; ARM_STORAGE_VALID_BLOCK(&block); drv->GetNextBlock(&block, &block)) {
+        endAddr = block.addr + block.size;
+    }
+    rc = drv->Erase(endAddr + 1, BUFFER_SIZE);
+    TEST_ASSERT_EQUAL(ARM_DRIVER_ERROR_PARAMETER, rc);
+
+    ARM_STORAGE_INFO info;
+    rc = drv->GetInfo(&info);
+    TEST_ASSERT_EQUAL(ARM_DRIVER_OK, rc);
+
+    drv->GetNextBlock(NULL, &block); /* get the first block */
+    TEST_ASSERT(block.size >= block.attributes.erase_unit);
+    TEST_ASSERT((block.size % block.attributes.erase_unit) == 0);
+
+    rc = drv->Erase(block.addr + 1, block.attributes.erase_unit);
+    TEST_ASSERT_EQUAL(ARM_DRIVER_ERROR_PARAMETER, rc);
+    rc = drv->Erase(block.addr, block.attributes.erase_unit - 1);
+    TEST_ASSERT_EQUAL(ARM_DRIVER_ERROR_PARAMETER, rc);
+    rc = drv->Erase(block.addr, block.attributes.erase_unit + 1);
+    TEST_ASSERT_EQUAL(ARM_DRIVER_ERROR_PARAMETER, rc);
+    rc = drv->Erase(block.addr, block.attributes.erase_unit / 2);
+    TEST_ASSERT_EQUAL(ARM_DRIVER_ERROR_PARAMETER, rc);
+}
+
+template<size_t ERASE_UNITS_PER_ITERATION>
+void eraseCompleteCallback(int32_t status, ARM_STORAGE_OPERATION operation)
+{
+    static unsigned eraseIteration = 0;
+#ifndef __CC_ARM
+    printf("erase<%u> complete callback: iteration %u\n", ERASE_UNITS_PER_ITERATION, eraseIteration);
+#endif
+    TEST_ASSERT_EQUAL(operation, ARM_STORAGE_OPERATION_ERASE);
+
+    /* test that the actual sector has been erased */
+    ARM_STORAGE_BLOCK firstBlock;
+    drv->GetNextBlock(NULL, &firstBlock); /* get first block */
+    TEST_ASSERT(ARM_STORAGE_VALID_BLOCK(&firstBlock));
+    TEST_ASSERT_EQUAL(ERASE_UNITS_PER_ITERATION * firstBlock.attributes.erase_unit, status);
+
+    const uint64_t addr = firstBlock.addr + eraseIteration * ERASE_UNITS_PER_ITERATION * firstBlock.attributes.erase_unit;
+    ++eraseIteration;
+
+    ARM_STORAGE_INFO info;
+    int32_t rc = drv->GetInfo(&info);
+    TEST_ASSERT_EQUAL(ARM_DRIVER_OK, rc);
+
+    //printf("testing erased sector at addr %lu", (uint32_t)addr);
+    verifyBytePattern(addr, ERASE_UNITS_PER_ITERATION * firstBlock.attributes.erase_unit, info.erased_value ? (uint8_t)0xFF : (uint8_t)0);
+
+    Harness::validate_callback();
+}
+
+template <size_t ERASE_UNITS_PER_ITERATION>
+control_t test_erase(const size_t call_count)
+{
+    static const unsigned REPEAT_INSTANCES = 5;
+    printf("in test_erase<%u> with call_count %u\n", ERASE_UNITS_PER_ITERATION, call_count);
+
+    if (call_count == 1) {
+        /* Achieve basic initialization for the driver before anything else. */
+        return preambleForBasicInitialization();
+    }
+
+    /* Get the first block. */
+    ARM_STORAGE_BLOCK firstBlock;
+    drv->GetNextBlock(NULL, &firstBlock); /* get first block */
+    TEST_ASSERT(ARM_STORAGE_VALID_BLOCK(&firstBlock));
+    TEST_ASSERT(firstBlock.size > 0);
+    if (firstBlock.size < ((call_count - 1) * ERASE_UNITS_PER_ITERATION * firstBlock.attributes.erase_unit)) {
+        printf("firstBlock isn't large enough to support instance %u of test_erase<%u>\n", call_count, ERASE_UNITS_PER_ITERATION);
+        return CaseNext;
+    }
+
+    /* Update the completion callback to 'eraseCompleteCallback'. */
+    if (call_count == 2) {
+        int32_t rc = drv->Initialize(eraseCompleteCallback<ERASE_UNITS_PER_ITERATION>);
+        TEST_ASSERT(rc == 1); /* Expect synchronous completion of initialization; the system must have been
+                               * initialized by the previous iteration. */
+    }
+
+    ARM_STORAGE_CAPABILITIES capabilities = drv->GetCapabilities();
+
+    /* choose an increasing address for each iteration. */
+    uint64_t addr = firstBlock.addr + (call_count - 2) * ERASE_UNITS_PER_ITERATION * firstBlock.attributes.erase_unit;
+
+    printf("erasing %lu bytes at addr %lu\n", (ERASE_UNITS_PER_ITERATION * firstBlock.attributes.erase_unit), (uint32_t)addr);
+    int32_t rc = drv->Erase(addr, ERASE_UNITS_PER_ITERATION * firstBlock.attributes.erase_unit);
+    if (rc == ARM_DRIVER_OK) {
+        TEST_ASSERT_EQUAL(1, capabilities.asynchronous_ops);
+        return (call_count < REPEAT_INSTANCES) ? CaseTimeout(200) + CaseRepeatAll: CaseTimeout(200);
+    } else {
+        TEST_ASSERT_EQUAL(ERASE_UNITS_PER_ITERATION * firstBlock.attributes.erase_unit, rc);
+
+        ARM_STORAGE_INFO info;
+        rc = drv->GetInfo(&info);
+        TEST_ASSERT_EQUAL(ARM_DRIVER_OK, rc);
+
+        /* test that the actual sector has been erased */
+        printf("testing erased sector at addr %lu\n", (uint32_t)addr);
+        verifyBytePattern(addr, ERASE_UNITS_PER_ITERATION * firstBlock.attributes.erase_unit, (uint8_t)0xFF);
+
+        return (call_count < REPEAT_INSTANCES) ? CaseRepeatAll : CaseNext;
+    }
+}
+
+void eraseChipCompleteCallback(int32_t status, ARM_STORAGE_OPERATION operation)
+{
+#ifndef __CC_ARM
+    printf("eraseChip complete callback\n");
+#endif
+    TEST_ASSERT_EQUAL(status, ARM_DRIVER_OK);
+    TEST_ASSERT_EQUAL(operation, ARM_STORAGE_OPERATION_ERASE_ALL);
+
+    ARM_STORAGE_BLOCK firstBlock;
+    drv->GetNextBlock(NULL, &firstBlock); /* get first block */
+    TEST_ASSERT(ARM_STORAGE_VALID_BLOCK(&firstBlock));
+    uint64_t addr = firstBlock.addr;
+
+    /* test that the flash has been erased */
+#ifndef __CC_ARM
+    printf("testing erased chip\n");
+#endif
+    unsigned index = 0;
+    static const unsigned MAX_VERIFY_ITERATIONS = 5;
+    while ((index < MAX_VERIFY_ITERATIONS) && (addr < (firstBlock.addr + firstBlock.size))) {
+        // printf("testing erased chip at addr %lu\n", (uint32_t)addr);
+        verifyBytePattern(addr, firstBlock.attributes.erase_unit, (uint8_t)0xFF);
+
+        index++;
+        addr += firstBlock.attributes.erase_unit;
+    }
+
+    Harness::validate_callback();
+}
+
+control_t test_eraseAll(const size_t call_count)
+{
+    static const unsigned REPEAT_INSTANCES = 5;
+    printf("in test_eraseAll with call_count %u\n", call_count);
+
+    ARM_STORAGE_CAPABILITIES capabilities = drv->GetCapabilities();
+    if (!capabilities.erase_all) {
+        printf("chip erase not supported on this flash\n");
+        return CaseNext;
+    }
+
+    if (call_count == 1) {
+        /* Achieve basic initialization for the driver before anything else. */
+        return preambleForBasicInitialization();
+    }
+
+    /* Update the completion callback to 'eraseChipCompleteCallback'. */
+    if (call_count == 2) {
+        int32_t rc = drv->Initialize(eraseChipCompleteCallback);
+        TEST_ASSERT(rc == 1); /* Expect synchronous completion of initialization; the system must have been
+                               * initialized by the previous iteration. */
+    }
+
+    /* Get the first block. */
+    ARM_STORAGE_BLOCK firstBlock;
+    drv->GetNextBlock(NULL, &firstBlock); /* get first block */
+    TEST_ASSERT(ARM_STORAGE_VALID_BLOCK(&firstBlock));
+    TEST_ASSERT(firstBlock.size > 0);
+    uint64_t addr = firstBlock.addr;
+    printf("erasing chip\n");
+
+    int32_t rc = drv->EraseAll();
+    if (rc == ARM_DRIVER_OK) {
+        TEST_ASSERT_EQUAL(1, capabilities.asynchronous_ops);
+        return (call_count < REPEAT_INSTANCES) ? CaseTimeout(200) + CaseRepeatAll: CaseTimeout(200);
+    } else {
+        TEST_ASSERT(rc == 1);
+
+        /* test that the flash has been erased */
+        unsigned index = 0;
+        static const unsigned MAX_VERIFY_ITERATIONS = 5;
+        while ((index < MAX_VERIFY_ITERATIONS) && (addr < (firstBlock.addr + firstBlock.size))) {
+            //printf("testing erased chip at addr %lu", (uint32_t)addr);
+            ARM_STORAGE_INFO info;
+            rc = drv->GetInfo(&info);
+            TEST_ASSERT_EQUAL(ARM_DRIVER_OK, rc);
+
+            verifyBytePattern(addr, firstBlock.attributes.erase_unit, info.erased_value ? (uint8_t)0xFF : (uint8_t)0);
+
+            index++;
+            addr += firstBlock.attributes.erase_unit;
+        }
+
+        return (call_count < REPEAT_INSTANCES) ? CaseRepeatAll : CaseNext;
+    }
+}
+
+void test_programDataWithInvalidParameters(void)
+{
+    int32_t rc;
+
+    rc = drv->ProgramData(0, NULL, 0);
+    TEST_ASSERT_EQUAL(ARM_DRIVER_ERROR_PARAMETER, rc);
+    rc = drv->ProgramData(0, buffer, 0);
+    TEST_ASSERT_EQUAL(ARM_DRIVER_ERROR_PARAMETER, rc);
+    rc = drv->ProgramData(0, NULL, BUFFER_SIZE);
+    TEST_ASSERT_EQUAL(ARM_DRIVER_ERROR_PARAMETER, rc);
+
+    /* operate before the start of the first block. */
+    ARM_STORAGE_BLOCK block;
+    rc = drv->GetNextBlock(NULL, &block); /* get the first block */
+    TEST_ASSERT_EQUAL(ARM_DRIVER_OK, rc);
+    TEST_ASSERT(ARM_STORAGE_VALID_BLOCK(&block));
+    TEST_ASSERT(block.size > 0);
+    rc = drv->ProgramData(block.addr - 1, buffer, BUFFER_SIZE);
+    TEST_ASSERT_EQUAL(ARM_DRIVER_ERROR_PARAMETER, rc);
+
+    /* operate at an address past the end of the last block */
+    uint64_t endAddr = block.addr + block.size;
+    for (; ARM_STORAGE_VALID_BLOCK(&block); drv->GetNextBlock(&block, &block)) {
+        endAddr = block.addr + block.size;
+    }
+    rc = drv->ProgramData(endAddr + 1, buffer, BUFFER_SIZE);
+    TEST_ASSERT_EQUAL(ARM_DRIVER_ERROR_PARAMETER, rc);
+
+    ARM_STORAGE_INFO info;
+    rc = drv->GetInfo(&info);
+    TEST_ASSERT_EQUAL(ARM_DRIVER_OK, rc);
+    if (info.program_unit <= 1) {
+        return; /* if program_unit is 1 (or 0), we can't proceed with any alignment tests */
+    }
+
+    drv->GetNextBlock(NULL, &block); /* get the first block */
+
+    TEST_ASSERT(block.size >= info.program_unit);
+
+    rc = drv->ProgramData(block.addr + 1, buffer, info.program_unit);
+    TEST_ASSERT_EQUAL(ARM_DRIVER_ERROR_PARAMETER, rc);
+    rc = drv->ProgramData(block.addr, buffer, info.program_unit - 1);
+    TEST_ASSERT_EQUAL(ARM_DRIVER_ERROR_PARAMETER, rc);
+    rc = drv->ProgramData(block.addr, buffer, info.program_unit + 1);
+    TEST_ASSERT_EQUAL(ARM_DRIVER_ERROR_PARAMETER, rc);
+    rc = drv->ProgramData(block.addr, buffer, info.program_unit / 2);
+    TEST_ASSERT_EQUAL(ARM_DRIVER_ERROR_PARAMETER, rc);
+}
+
+template <size_t N_UNITS>
+void programDataWithMultipleProgramUnitsCallback(int32_t status, ARM_STORAGE_OPERATION operation)
+{
+    TEST_ASSERT(status >= ARM_DRIVER_OK);
+
+    ARM_STORAGE_BLOCK firstBlock;
+    drv->GetNextBlock(NULL, &firstBlock); /* get first block */
+    TEST_ASSERT(ARM_STORAGE_VALID_BLOCK(&firstBlock));
+    TEST_ASSERT(firstBlock.size > 0);
+
+    ARM_STORAGE_INFO info;
+    int32_t rc = drv->GetInfo(&info);
+    TEST_ASSERT_EQUAL(ARM_DRIVER_OK, rc);
+
+    ARM_STORAGE_CAPABILITIES capabilities = drv->GetCapabilities();
+
+    size_t rangeNeededForTest = (N_UNITS * info.program_unit);
+    /* round-up range to the nearest erase_unit */
+    rangeNeededForTest = ((rangeNeededForTest + firstBlock.attributes.erase_unit - 1) / firstBlock.attributes.erase_unit) * firstBlock.attributes.erase_unit;
+
+    static const uint32_t BYTE_PATTERN = 0xABCDEF00;
+
+    if (operation == ARM_STORAGE_OPERATION_ERASE) {
+        TEST_ASSERT_EQUAL(rangeNeededForTest, status);
+        TEST_ASSERT((N_UNITS * info.program_unit) <= BUFFER_SIZE);
+
+        /* setup byte pattern in buffer */
+        if (info.program_unit >= sizeof(BYTE_PATTERN)) {
+            for (size_t index = 0; index < ((N_UNITS * info.program_unit) / sizeof(BYTE_PATTERN)); index++) {
+                ((uint32_t *)buffer)[index] = BYTE_PATTERN;
+            }
+        } else {
+           for (size_t index = 0; index < ((N_UNITS * info.program_unit)); index++) {
+               buffer[index] = ((const uint8_t *)&BYTE_PATTERN)[0];
+           }
+        }
+
+#ifndef __CC_ARM
+        printf("Callback: programming %lu bytes at address %lu with pattern 0x%lx\n", (N_UNITS * info.program_unit), (uint32_t)firstBlock.addr, BYTE_PATTERN);
+#endif
+        rc = drv->ProgramData(firstBlock.addr, buffer, (N_UNITS * info.program_unit));
+        TEST_ASSERT(rc >= ARM_DRIVER_OK);
+        if (rc == ARM_DRIVER_OK) {
+            TEST_ASSERT_EQUAL(1, capabilities.asynchronous_ops);
+            return; /* We've successfully pended a programData operation; we'll have another
+                     * invocation of this callback when programming completes. */
+        }
+
+        status = rc;
+    }
+
+    TEST_ASSERT_EQUAL((N_UNITS * info.program_unit), status);
+
+#ifndef __CC_ARM
+    printf("Callback: verifying programmed sector at addr %lu\n", (uint32_t)firstBlock.addr);
+#endif
+    if (info.program_unit >= sizeof(BYTE_PATTERN)) {
+        verifyBytePattern(firstBlock.addr, (N_UNITS * info.program_unit), BYTE_PATTERN);
+    } else {
+        verifyBytePattern(firstBlock.addr, (N_UNITS * info.program_unit), ((const uint8_t *)&BYTE_PATTERN)[0]);
+    }
+
+    Harness::validate_callback();
+}
+
+template<size_t N_UNITS>
+control_t test_programDataWithMultipleProgramUnits(const size_t call_count)
+{
+    int32_t rc;
+    printf("in test_programDataWithMultipleProgramUnits<%u> with call_count %u\n", N_UNITS, call_count);
+
+    if (call_count == 1) {
+        /* Achieve basic initialization for the driver before anything else. */
+        return preambleForBasicInitialization();
+    }
+
+    /* Update the completion callback to 'programDataWithMultipleProgramUnitsCallback'. */
+    if (call_count == 2) {
+        rc = drv->Initialize(programDataWithMultipleProgramUnitsCallback<N_UNITS>);
+        TEST_ASSERT(rc == 1); /* Expect synchronous completion of initialization; the system must have been
+                               * initialized by the previous iteration. */
+
+        ARM_STORAGE_BLOCK firstBlock;
+        drv->GetNextBlock(NULL, &firstBlock); /* get first block */
+        TEST_ASSERT(ARM_STORAGE_VALID_BLOCK(&firstBlock));
+        TEST_ASSERT(firstBlock.size > 0);
+
+        ARM_STORAGE_INFO info;
+        int32_t rc = drv->GetInfo(&info);
+        TEST_ASSERT_EQUAL(ARM_DRIVER_OK, rc);
+
+        ARM_STORAGE_CAPABILITIES capabilities = drv->GetCapabilities();
+
+        size_t rangeNeededForTest = (N_UNITS * info.program_unit);
+        /* round-up range to the nearest erase_unit */
+        rangeNeededForTest = ((rangeNeededForTest + firstBlock.attributes.erase_unit - 1) / firstBlock.attributes.erase_unit) * firstBlock.attributes.erase_unit;
+        if (firstBlock.size < rangeNeededForTest) {
+            printf("first block not large enough; rangeNeededForTest: %u\n", rangeNeededForTest);
+            return CaseNext; /* first block isn't large enough for the intended operation */
+        }
+
+        if (rangeNeededForTest > BUFFER_SIZE) {
+            printf("buffer (%u) not large enough; rangeNeededForTest: %u\n", BUFFER_SIZE, rangeNeededForTest);
+            return CaseNext;
+        }
+
+        // printf("erasing %u bytes at addr %lu\n", rangeNeededForTest, (uint32_t)firstBlock.addr);
+        rc = drv->Erase(firstBlock.addr, rangeNeededForTest);
+        TEST_ASSERT(rc >= 0);
+        if (rc == ARM_DRIVER_OK) {
+            TEST_ASSERT_EQUAL(1, capabilities.asynchronous_ops);
+            return CaseTimeout(500);
+        } else {
+            TEST_ASSERT_EQUAL(rangeNeededForTest, rc);
+
+            /* setup byte pattern in buffer */
+            static const uint32_t BYTE_PATTERN = 0xABCDEF00;
+            if (info.program_unit >= sizeof(BYTE_PATTERN)) {
+                for (size_t index = 0; index < ((N_UNITS * info.program_unit) / sizeof(BYTE_PATTERN)); index++) {
+                    ((uint32_t *)buffer)[index] = BYTE_PATTERN;
+                }
+            } else {
+               for (size_t index = 0; index < ((N_UNITS * info.program_unit)); index++) {
+                   buffer[index] = ((const uint8_t *)&BYTE_PATTERN)[0];
+               }
+            }
+
+            printf("programming %lu bytes at address %lu with pattern 0x%lx\n", (N_UNITS * info.program_unit), (uint32_t)firstBlock.addr, BYTE_PATTERN);
+            rc = drv->ProgramData(firstBlock.addr, buffer, (N_UNITS * info.program_unit));
+            TEST_ASSERT(rc >= 0);
+            if (rc == ARM_DRIVER_OK) {
+                TEST_ASSERT_EQUAL(1, capabilities.asynchronous_ops);
+                return CaseTimeout(500);
+            } else {
+                TEST_ASSERT_EQUAL((N_UNITS * info.program_unit), rc);
+
+                printf("verifying programmed sector at addr %lu\n", (uint32_t)firstBlock.addr);
+                if (info.program_unit >= sizeof(BYTE_PATTERN)) {
+                    verifyBytePattern(firstBlock.addr, (N_UNITS * info.program_unit), BYTE_PATTERN);
+                } else {
+                    verifyBytePattern(firstBlock.addr, (N_UNITS * info.program_unit), ((const uint8_t *)&BYTE_PATTERN)[0]);
+                }
+
+                return CaseNext;
+            }
+        }
+    }
+
+    return CaseNext;
+}
+
+#ifndef AVOID_GREENTEA
+// Custom setup handler required for proper Greentea support
+utest::v1::status_t greentea_setup(const size_t number_of_cases)
+{
+    GREENTEA_SETUP(60, "default_auto");
+    // Call the default reporting function
+    return greentea_test_setup_handler(number_of_cases);
+}
+#else
+status_t default_setup(const size_t)
+{
+    return STATUS_CONTINUE;
+}
+#endif
+
+// Specify all your test cases here
+Case cases[] = {
+    Case("get version",                              test_getVersion),
+    Case("get capabilities",                         test_getCapabilities),
+    Case("get info",                                 test_getInfo),
+    Case("initialize",                               test_initialize),
+    Case("uninitialize",                             test_uninitialize),
+    Case("power control",                            test_powerControl),
+    Case("erase all",                                test_eraseAll),
+    Case("read data",                                test_readData),
+    Case("erase with invalid parameters",            test_eraseWithInvalidParameters),
+    Case("erase single unit",                        test_erase<1>),
+    Case("erase two units",                          test_erase<2>),
+    Case("erase four units",                         test_erase<4>),
+    Case("erase eight units",                        test_erase<8>),
+    Case("program data with invalid parameters",     test_programDataWithInvalidParameters),
+    Case("program data using program_unit",          test_programDataUsingProgramUnit),
+    Case("program data using optimal_program_unit",  test_programDataUsingOptimalProgramUnit),
+    Case("program data with multiple program units", test_programDataWithMultipleProgramUnits<1>),
+    Case("program data with multiple program units", test_programDataWithMultipleProgramUnits<2>),
+    Case("program data with multiple program units", test_programDataWithMultipleProgramUnits<7>),
+    Case("program data with multiple program units", test_programDataWithMultipleProgramUnits<8>),
+    Case("program data with multiple program units", test_programDataWithMultipleProgramUnits<9>),
+    Case("program data with multiple program units", test_programDataWithMultipleProgramUnits<31>),
+    Case("program data with multiple program units", test_programDataWithMultipleProgramUnits<32>),
+    Case("program data with multiple program units", test_programDataWithMultipleProgramUnits<33>),
+    Case("program data with multiple program units", test_programDataWithMultipleProgramUnits<127>),
+    Case("program data with multiple program units", test_programDataWithMultipleProgramUnits<128>),
+    Case("program data with multiple program units", test_programDataWithMultipleProgramUnits<129>),
+    Case("program data with multiple program units", test_programDataWithMultipleProgramUnits<1023>),
+    Case("program data with multiple program units", test_programDataWithMultipleProgramUnits<1024>),
+    Case("program data with multiple program units", test_programDataWithMultipleProgramUnits<1025>),
+};
+
+// Declare your test specification with a custom setup handler
+#ifndef AVOID_GREENTEA
+Specification specification(greentea_setup, cases);
+#else
+Specification specification(default_setup, cases);
+#endif
+
+int main(int argc, char** argv)
+{
+    // Run the test specification
+    Harness::run(specification);
+}