Import Mbed OS hard-float snapshot

storage/filesystem/littlefsv2/tests/TESTS/filesystem_retarget/seek/main.cpp

@@ -0,0 +1,641 @@
+/* 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 "mbed.h"
+#include "greentea-client/test_env.h"
+#include "unity.h"
+#include "utest.h"
+#include <stdlib.h>
+#include <errno.h>
+
+using namespace utest::v1;
+
+// test configuration
+#ifndef MBED_TEST_FILESYSTEM
+#define MBED_TEST_FILESYSTEM LittleFileSystem2
+#endif
+
+#ifndef MBED_TEST_FILESYSTEM_DECL
+#define MBED_TEST_FILESYSTEM_DECL MBED_TEST_FILESYSTEM fs("fs")
+#endif
+
+#ifndef MBED_TEST_BLOCKDEVICE
+#error [NOT_SUPPORTED] Non-volatile block device required
+#endif
+
+#ifndef MBED_TEST_BLOCKDEVICE_DECL
+#define MBED_TEST_BLOCKDEVICE_DECL MBED_TEST_BLOCKDEVICE bd
+#endif
+
+#ifndef MBED_TEST_FILES
+#define MBED_TEST_FILES 4
+#endif
+
+#ifndef MBED_TEST_DIRS
+#define MBED_TEST_DIRS 4
+#endif
+
+#ifndef MBED_TEST_BUFFER
+#define MBED_TEST_BUFFER 8192
+#endif
+
+#ifndef MBED_TEST_TIMEOUT
+#define MBED_TEST_TIMEOUT 480
+#endif
+
+
+// declarations
+#define STRINGIZE(x) STRINGIZE2(x)
+#define STRINGIZE2(x) #x
+#define INCLUDE(x) STRINGIZE(x.h)
+
+#include INCLUDE(MBED_TEST_FILESYSTEM)
+#include INCLUDE(MBED_TEST_BLOCKDEVICE)
+
+MBED_TEST_FILESYSTEM_DECL;
+MBED_TEST_BLOCKDEVICE_DECL;
+
+Dir dir[MBED_TEST_DIRS];
+File file[MBED_TEST_FILES];
+DIR *dd[MBED_TEST_DIRS];
+FILE *fd[MBED_TEST_FILES];
+struct dirent ent;
+struct dirent *ed;
+size_t size;
+uint8_t buffer[MBED_TEST_BUFFER];
+uint8_t rbuffer[MBED_TEST_BUFFER];
+uint8_t wbuffer[MBED_TEST_BUFFER];
+
+
+// tests
+
+void test_seek_tests()
+{
+    int res = bd.init();
+    TEST_ASSERT_EQUAL(0, res);
+
+    {
+        res = MBED_TEST_FILESYSTEM::format(&bd);
+        TEST_ASSERT_EQUAL(0, res);
+        res = fs.mount(&bd);
+        TEST_ASSERT_EQUAL(0, res);
+        res = mkdir("/fs/" "hello", 0777);
+        TEST_ASSERT_EQUAL(0, res);
+        for (int i = 0; i < 132; i++) {
+            sprintf((char *)buffer, "/fs/" "hello/kitty%03d", i);
+            res = !((fd[0] = fopen((char *)buffer,
+                                   "ab")) != NULL);
+            TEST_ASSERT_EQUAL(0, res);
+
+            size = strlen("kittycatcat");
+            memcpy(buffer, "kittycatcat", size);
+            for (int j = 0; j < 132; j++) {
+                fwrite(buffer, 1, size, fd[0]);
+            }
+            res = fclose(fd[0]);
+            TEST_ASSERT_EQUAL(0, res);
+        }
+        res = fs.unmount();
+        TEST_ASSERT_EQUAL(0, res);
+    }
+
+    res = bd.deinit();
+    TEST_ASSERT_EQUAL(0, res);
+}
+
+void test_simple_dir_seek()
+{
+    int res = bd.init();
+    TEST_ASSERT_EQUAL(0, res);
+
+    {
+        res = fs.mount(&bd);
+        TEST_ASSERT_EQUAL(0, res);
+        res = !((dd[0] = opendir("/fs/" "hello")) != NULL);
+        TEST_ASSERT_EQUAL(0, res);
+        res = ((ed = readdir(dd[0])) != NULL);
+        TEST_ASSERT_EQUAL(1, res);
+        res = strcmp(ed->d_name, ".");
+        TEST_ASSERT_EQUAL(0, res);
+        res = ((ed = readdir(dd[0])) != NULL);
+        TEST_ASSERT_EQUAL(1, res);
+        res = strcmp(ed->d_name, "..");
+        TEST_ASSERT_EQUAL(0, res);
+
+        off_t pos;
+        int i;
+        for (i = 0; i < 4; i++) {
+            sprintf((char *)buffer, "kitty%03d", i);
+            res = ((ed = readdir(dd[0])) != NULL);
+            TEST_ASSERT_EQUAL(1, res);
+            res = strcmp(ed->d_name, (char *)buffer);
+            TEST_ASSERT_EQUAL(0, res);
+            pos = telldir(dd[0]);
+        }
+        res = pos >= 0;
+        TEST_ASSERT_EQUAL(1, res);
+
+        seekdir(dd[0], pos);
+        sprintf((char *)buffer, "kitty%03d", i);
+        res = ((ed = readdir(dd[0])) != NULL);
+        TEST_ASSERT_EQUAL(1, res);
+        res = strcmp(ed->d_name, (char *)buffer);
+        TEST_ASSERT_EQUAL(0, res);
+
+        rewinddir(dd[0]);
+        sprintf((char *)buffer, "kitty%03d", 0);
+        res = ((ed = readdir(dd[0])) != NULL);
+        TEST_ASSERT_EQUAL(1, res);
+        res = strcmp(ed->d_name, ".");
+        TEST_ASSERT_EQUAL(0, res);
+        res = ((ed = readdir(dd[0])) != NULL);
+        TEST_ASSERT_EQUAL(1, res);
+        res = strcmp(ed->d_name, "..");
+        TEST_ASSERT_EQUAL(0, res);
+        res = ((ed = readdir(dd[0])) != NULL);
+        TEST_ASSERT_EQUAL(1, res);
+        res = strcmp(ed->d_name, (char *)buffer);
+        TEST_ASSERT_EQUAL(0, res);
+
+        seekdir(dd[0], pos);
+        sprintf((char *)buffer, "kitty%03d", i);
+        res = ((ed = readdir(dd[0])) != NULL);
+        TEST_ASSERT_EQUAL(1, res);
+        res = strcmp(ed->d_name, (char *)buffer);
+        TEST_ASSERT_EQUAL(0, res);
+        res = closedir(dd[0]);
+        TEST_ASSERT_EQUAL(0, res);
+        res = fs.unmount();
+        TEST_ASSERT_EQUAL(0, res);
+    }
+
+    res = bd.deinit();
+    TEST_ASSERT_EQUAL(0, res);
+}
+
+void test_large_dir_seek()
+{
+    int res = bd.init();
+    TEST_ASSERT_EQUAL(0, res);
+
+    {
+        res = fs.mount(&bd);
+        TEST_ASSERT_EQUAL(0, res);
+        res = !((dd[0] = opendir("/fs/" "hello")) != NULL);
+        TEST_ASSERT_EQUAL(0, res);
+        res = ((ed = readdir(dd[0])) != NULL);
+        TEST_ASSERT_EQUAL(1, res);
+        res = strcmp(ed->d_name, ".");
+        TEST_ASSERT_EQUAL(0, res);
+        res = ((ed = readdir(dd[0])) != NULL);
+        TEST_ASSERT_EQUAL(1, res);
+        res = strcmp(ed->d_name, "..");
+        TEST_ASSERT_EQUAL(0, res);
+
+        off_t pos;
+        int i;
+        for (i = 0; i < 128; i++) {
+            sprintf((char *)buffer, "kitty%03d", i);
+            res = ((ed = readdir(dd[0])) != NULL);
+            TEST_ASSERT_EQUAL(1, res);
+            res = strcmp(ed->d_name, (char *)buffer);
+            TEST_ASSERT_EQUAL(0, res);
+            pos = telldir(dd[0]);
+        }
+        res = pos >= 0;
+        TEST_ASSERT_EQUAL(1, res);
+
+        seekdir(dd[0], pos);
+        sprintf((char *)buffer, "kitty%03d", i);
+        res = ((ed = readdir(dd[0])) != NULL);
+        TEST_ASSERT_EQUAL(1, res);
+        res = strcmp(ed->d_name, (char *)buffer);
+        TEST_ASSERT_EQUAL(0, res);
+
+        rewinddir(dd[0]);
+        sprintf((char *)buffer, "kitty%03d", 0);
+        res = ((ed = readdir(dd[0])) != NULL);
+        TEST_ASSERT_EQUAL(1, res);
+        res = strcmp(ed->d_name, ".");
+        TEST_ASSERT_EQUAL(0, res);
+        res = ((ed = readdir(dd[0])) != NULL);
+        TEST_ASSERT_EQUAL(1, res);
+        res = strcmp(ed->d_name, "..");
+        TEST_ASSERT_EQUAL(0, res);
+        res = ((ed = readdir(dd[0])) != NULL);
+        TEST_ASSERT_EQUAL(1, res);
+        res = strcmp(ed->d_name, (char *)buffer);
+        TEST_ASSERT_EQUAL(0, res);
+
+        seekdir(dd[0], pos);
+        sprintf((char *)buffer, "kitty%03d", i);
+        res = ((ed = readdir(dd[0])) != NULL);
+        TEST_ASSERT_EQUAL(1, res);
+        res = strcmp(ed->d_name, (char *)buffer);
+        TEST_ASSERT_EQUAL(0, res);
+        res = closedir(dd[0]);
+        TEST_ASSERT_EQUAL(0, res);
+        res = fs.unmount();
+        TEST_ASSERT_EQUAL(0, res);
+    }
+
+    res = bd.deinit();
+    TEST_ASSERT_EQUAL(0, res);
+}
+
+void test_simple_file_seek()
+{
+    int res = bd.init();
+    TEST_ASSERT_EQUAL(0, res);
+
+    {
+        res = fs.mount(&bd);
+        TEST_ASSERT_EQUAL(0, res);
+        res = !((fd[0] = fopen("/fs/" "hello/kitty042", "rb")) != NULL);
+        TEST_ASSERT_EQUAL(0, res);
+
+        off_t pos;
+        size = strlen("kittycatcat");
+        for (int i = 0; i < 4; i++) {
+            res = fread(buffer, 1, size, fd[0]);
+            TEST_ASSERT_EQUAL(size, res);
+            res = memcmp(buffer, "kittycatcat", size);
+            TEST_ASSERT_EQUAL(0, res);
+            pos = ftell(fd[0]);
+        }
+        res = pos >= 0;
+        TEST_ASSERT_EQUAL(1, res);
+        res = fseek(fd[0], pos, SEEK_SET);
+        TEST_ASSERT_EQUAL(0, res);
+        res = fread(buffer, 1, size, fd[0]);
+        TEST_ASSERT_EQUAL(size, res);
+        res = memcmp(buffer, "kittycatcat", size);
+        TEST_ASSERT_EQUAL(0, res);
+
+        rewind(fd[0]);
+        res = fread(buffer, 1, size, fd[0]);
+        TEST_ASSERT_EQUAL(size, res);
+        res = memcmp(buffer, "kittycatcat", size);
+        TEST_ASSERT_EQUAL(0, res);
+        res = fseek(fd[0], pos, SEEK_SET);
+        TEST_ASSERT_EQUAL(0, res);
+        res = fread(buffer, 1, size, fd[0]);
+        TEST_ASSERT_EQUAL(size, res);
+        res = memcmp(buffer, "kittycatcat", size);
+        TEST_ASSERT_EQUAL(0, res);
+        res = fseek(fd[0], -size, SEEK_CUR);
+        TEST_ASSERT_EQUAL(0, res);
+        res = fread(buffer, 1, size, fd[0]);
+        TEST_ASSERT_EQUAL(size, res);
+        res = memcmp(buffer, "kittycatcat", size);
+        TEST_ASSERT_EQUAL(0, res);
+        res = fseek(fd[0], -size, SEEK_END);
+        TEST_ASSERT_EQUAL(0, res);
+        res = fread(buffer, 1, size, fd[0]);
+        TEST_ASSERT_EQUAL(size, res);
+        res = memcmp(buffer, "kittycatcat", size);
+        TEST_ASSERT_EQUAL(0, res);
+
+        res = fseek(fd[0], 0, SEEK_CUR);
+        TEST_ASSERT_EQUAL(0, res);
+        res = fclose(fd[0]);
+        TEST_ASSERT_EQUAL(0, res);
+        res = fs.unmount();
+        TEST_ASSERT_EQUAL(0, res);
+    }
+
+    res = bd.deinit();
+    TEST_ASSERT_EQUAL(0, res);
+}
+
+void test_large_file_seek()
+{
+    int res = bd.init();
+    TEST_ASSERT_EQUAL(0, res);
+
+    {
+        res = fs.mount(&bd);
+        TEST_ASSERT_EQUAL(0, res);
+        res = !((fd[0] = fopen("/fs/" "hello/kitty042", "rb")) != NULL);
+        TEST_ASSERT_EQUAL(0, res);
+
+        off_t pos;
+        size = strlen("kittycatcat");
+        for (int i = 0; i < 128; i++) {
+            res = fread(buffer, 1, size, fd[0]);
+            TEST_ASSERT_EQUAL(size, res);
+            res = memcmp(buffer, "kittycatcat", size);
+            TEST_ASSERT_EQUAL(0, res);
+            pos = ftell(fd[0]);
+        }
+        res = pos >= 0;
+        TEST_ASSERT_EQUAL(1, res);
+        res = fseek(fd[0], pos, SEEK_SET);
+        TEST_ASSERT_EQUAL(0, res);
+        res = fread(buffer, 1, size, fd[0]);
+        TEST_ASSERT_EQUAL(size, res);
+        res = memcmp(buffer, "kittycatcat", size);
+        TEST_ASSERT_EQUAL(0, res);
+
+        rewind(fd[0]);
+        res = fread(buffer, 1, size, fd[0]);
+        TEST_ASSERT_EQUAL(size, res);
+        res = memcmp(buffer, "kittycatcat", size);
+        TEST_ASSERT_EQUAL(0, res);
+        res = fseek(fd[0], pos, SEEK_SET);
+        TEST_ASSERT_EQUAL(0, res);
+        res = fread(buffer, 1, size, fd[0]);
+        TEST_ASSERT_EQUAL(size, res);
+        res = memcmp(buffer, "kittycatcat", size);
+        TEST_ASSERT_EQUAL(0, res);
+        res = fseek(fd[0], -size, SEEK_CUR);
+        TEST_ASSERT_EQUAL(0, res);
+        res = fread(buffer, 1, size, fd[0]);
+        TEST_ASSERT_EQUAL(size, res);
+        res = memcmp(buffer, "kittycatcat", size);
+        TEST_ASSERT_EQUAL(0, res);
+        res = fseek(fd[0], -size, SEEK_END);
+        TEST_ASSERT_EQUAL(0, res);
+        res = fread(buffer, 1, size, fd[0]);
+        TEST_ASSERT_EQUAL(size, res);
+        res = memcmp(buffer, "kittycatcat", size);
+        TEST_ASSERT_EQUAL(0, res);
+
+        res = fseek(fd[0], 0, SEEK_CUR);
+        TEST_ASSERT_EQUAL(0, res);
+        res = fclose(fd[0]);
+        TEST_ASSERT_EQUAL(0, res);
+        res = fs.unmount();
+        TEST_ASSERT_EQUAL(0, res);
+    }
+
+    res = bd.deinit();
+    TEST_ASSERT_EQUAL(0, res);
+}
+
+void test_simple_file_seek_and_write()
+{
+    int res = bd.init();
+    TEST_ASSERT_EQUAL(0, res);
+
+    {
+        res = fs.mount(&bd);
+        TEST_ASSERT_EQUAL(0, res);
+        res = !((fd[0] = fopen("/fs/" "hello/kitty042", "r+b")) != NULL);
+        TEST_ASSERT_EQUAL(0, res);
+
+        off_t pos;
+        size = strlen("kittycatcat");
+        for (int i = 0; i < 4; i++) {
+            res = fread(buffer, 1, size, fd[0]);
+            TEST_ASSERT_EQUAL(size, res);
+            res = memcmp(buffer, "kittycatcat", size);
+            TEST_ASSERT_EQUAL(0, res);
+            pos = ftell(fd[0]);
+        }
+        res = pos >= 0;
+        TEST_ASSERT_EQUAL(1, res);
+
+        memcpy(buffer, "doggodogdog", size);
+        res = fseek(fd[0], pos, SEEK_SET);
+        TEST_ASSERT_EQUAL(0, res);
+        res = fwrite(buffer, 1, size, fd[0]);
+        TEST_ASSERT_EQUAL(size, res);
+        res = fseek(fd[0], pos, SEEK_SET);
+        TEST_ASSERT_EQUAL(0, res);
+        res = fread(buffer, 1, size, fd[0]);
+        TEST_ASSERT_EQUAL(size, res);
+        res = memcmp(buffer, "doggodogdog", size);
+        TEST_ASSERT_EQUAL(0, res);
+
+        rewind(fd[0]);
+        res = fread(buffer, 1, size, fd[0]);
+        TEST_ASSERT_EQUAL(size, res);
+        res = memcmp(buffer, "kittycatcat", size);
+        TEST_ASSERT_EQUAL(0, res);
+        res = fseek(fd[0], pos, SEEK_SET);
+        TEST_ASSERT_EQUAL(0, res);
+        res = fread(buffer, 1, size, fd[0]);
+        TEST_ASSERT_EQUAL(size, res);
+        res = memcmp(buffer, "doggodogdog", size);
+        TEST_ASSERT_EQUAL(0, res);
+        res = fseek(fd[0], -size, SEEK_END);
+        TEST_ASSERT_EQUAL(0, res);
+        res = fread(buffer, 1, size, fd[0]);
+        TEST_ASSERT_EQUAL(size, res);
+        res = memcmp(buffer, "kittycatcat", size);
+        TEST_ASSERT_EQUAL(0, res);
+
+        res = fseek(fd[0], 0, SEEK_CUR);
+        TEST_ASSERT_EQUAL(0, res);
+        res = fclose(fd[0]);
+        TEST_ASSERT_EQUAL(0, res);
+        res = fs.unmount();
+        TEST_ASSERT_EQUAL(0, res);
+    }
+
+    res = bd.deinit();
+    TEST_ASSERT_EQUAL(0, res);
+}
+
+void test_large_file_seek_and_write()
+{
+    int res = bd.init();
+    TEST_ASSERT_EQUAL(0, res);
+
+    {
+        res = fs.mount(&bd);
+        TEST_ASSERT_EQUAL(0, res);
+        res = !((fd[0] = fopen("/fs/" "hello/kitty042", "r+b")) != NULL);
+        TEST_ASSERT_EQUAL(0, res);
+
+        off_t pos;
+        size = strlen("kittycatcat");
+        for (int i = 0; i < 128; i++) {
+            res = fread(buffer, 1, size, fd[0]);
+            TEST_ASSERT_EQUAL(size, res);
+            if (i != 4) {
+                res = memcmp(buffer, "kittycatcat", size);
+                TEST_ASSERT_EQUAL(0, res);
+            }
+            pos = ftell(fd[0]);
+        }
+        res = pos >= 0;
+        TEST_ASSERT_EQUAL(1, res);
+
+        memcpy(buffer, "doggodogdog", size);
+        res = fseek(fd[0], pos, SEEK_SET);
+        TEST_ASSERT_EQUAL(0, res);
+        res = fwrite(buffer, 1, size, fd[0]);
+        TEST_ASSERT_EQUAL(size, res);
+        res = fseek(fd[0], pos, SEEK_SET);
+        TEST_ASSERT_EQUAL(0, res);
+        res = fread(buffer, 1, size, fd[0]);
+        TEST_ASSERT_EQUAL(size, res);
+        res = memcmp(buffer, "doggodogdog", size);
+        TEST_ASSERT_EQUAL(0, res);
+
+        rewind(fd[0]);
+        res = fread(buffer, 1, size, fd[0]);
+        TEST_ASSERT_EQUAL(size, res);
+        res = memcmp(buffer, "kittycatcat", size);
+        TEST_ASSERT_EQUAL(0, res);
+        res = fseek(fd[0], pos, SEEK_SET);
+        TEST_ASSERT_EQUAL(0, res);
+        res = fread(buffer, 1, size, fd[0]);
+        TEST_ASSERT_EQUAL(size, res);
+        res = memcmp(buffer, "doggodogdog", size);
+        TEST_ASSERT_EQUAL(0, res);
+        res = fseek(fd[0], -size, SEEK_END);
+        TEST_ASSERT_EQUAL(0, res);
+        res = fread(buffer, 1, size, fd[0]);
+        TEST_ASSERT_EQUAL(size, res);
+        res = memcmp(buffer, "kittycatcat", size);
+        TEST_ASSERT_EQUAL(0, res);
+
+        res = fseek(fd[0], 0, SEEK_CUR);
+        TEST_ASSERT_EQUAL(0, res);
+        res = fclose(fd[0]);
+        TEST_ASSERT_EQUAL(0, res);
+        res = fs.unmount();
+        TEST_ASSERT_EQUAL(0, res);
+    }
+
+    res = bd.deinit();
+    TEST_ASSERT_EQUAL(0, res);
+}
+
+void test_boundary_seek_and_write()
+{
+    int res = bd.init();
+    TEST_ASSERT_EQUAL(0, res);
+
+    {
+        res = fs.mount(&bd);
+        TEST_ASSERT_EQUAL(0, res);
+        res = !((fd[0] = fopen("/fs/" "hello/kitty042", "r+b")) != NULL);
+        TEST_ASSERT_EQUAL(0, res);
+
+        size = strlen("hedgehoghog");
+        const off_t offsets[] = {512, 1020, 513, 1021, 511, 1019};
+
+        for (int i = 0; i < sizeof(offsets) / sizeof(offsets[0]); i++) {
+            off_t off = offsets[i];
+            memcpy(buffer, "hedgehoghog", size);
+            res = fseek(fd[0], off, SEEK_SET);
+            TEST_ASSERT_EQUAL(0, res);
+            res = fwrite(buffer, 1, size, fd[0]);
+            TEST_ASSERT_EQUAL(size, res);
+            res = fseek(fd[0], off, SEEK_SET);
+            TEST_ASSERT_EQUAL(0, res);
+            res = fread(buffer, 1, size, fd[0]);
+            TEST_ASSERT_EQUAL(size, res);
+            res = memcmp(buffer, "hedgehoghog", size);
+            TEST_ASSERT_EQUAL(0, res);
+            res = fseek(fd[0], 0, SEEK_SET);
+            TEST_ASSERT_EQUAL(0, res);
+            res = fread(buffer, 1, size, fd[0]);
+            TEST_ASSERT_EQUAL(size, res);
+            res = memcmp(buffer, "kittycatcat", size);
+            TEST_ASSERT_EQUAL(0, res);
+            res = fflush(fd[0]);
+            TEST_ASSERT_EQUAL(0, res);
+        }
+        res = fclose(fd[0]);
+        TEST_ASSERT_EQUAL(0, res);
+        res = fs.unmount();
+        TEST_ASSERT_EQUAL(0, res);
+    }
+
+    res = bd.deinit();
+    TEST_ASSERT_EQUAL(0, res);
+}
+
+void test_out_of_bounds_seek()
+{
+    int res = bd.init();
+    TEST_ASSERT_EQUAL(0, res);
+
+    {
+        res = fs.mount(&bd);
+        TEST_ASSERT_EQUAL(0, res);
+        res = !((fd[0] = fopen("/fs/" "hello/kitty042", "r+b")) != NULL);
+        TEST_ASSERT_EQUAL(0, res);
+
+        size = strlen("kittycatcat");
+        res = fseek(fd[0], 0, SEEK_END);
+        TEST_ASSERT_EQUAL(0, res);
+        res = ftell(fd[0]);
+        TEST_ASSERT_EQUAL(132 * size, res);
+        res = fseek(fd[0], (132 + 4) * size,
+                    SEEK_SET);
+        TEST_ASSERT_EQUAL(0, res);
+        res = fread(buffer, 1, size, fd[0]);
+        TEST_ASSERT_EQUAL(0, res);
+
+        memcpy(buffer, "porcupineee", size);
+        res = fwrite(buffer, 1, size, fd[0]);
+        TEST_ASSERT_EQUAL(size, res);
+        res = fseek(fd[0], (132 + 4) * size,
+                    SEEK_SET);
+        TEST_ASSERT_EQUAL(0, res);
+        res = fread(buffer, 1, size, fd[0]);
+        TEST_ASSERT_EQUAL(size, res);
+        res = memcmp(buffer, "porcupineee", size);
+        TEST_ASSERT_EQUAL(0, res);
+        res = fseek(fd[0], 132 * size,
+                    SEEK_SET);
+        TEST_ASSERT_EQUAL(0, res);
+        res = fread(buffer, 1, size, fd[0]);
+        TEST_ASSERT_EQUAL(size, res);
+        res = memcmp(buffer, "\0\0\0\0\0\0\0\0\0\0\0", size);
+        TEST_ASSERT_EQUAL(0, res);
+        res = fclose(fd[0]);
+        TEST_ASSERT_EQUAL(0, res);
+        res = fs.unmount();
+        TEST_ASSERT_EQUAL(0, res);
+    }
+
+    res = bd.deinit();
+    TEST_ASSERT_EQUAL(0, res);
+}
+
+
+
+// test setup
+utest::v1::status_t test_setup(const size_t number_of_cases)
+{
+    GREENTEA_SETUP(MBED_TEST_TIMEOUT, "default_auto");
+    return verbose_test_setup_handler(number_of_cases);
+}
+
+Case cases[] = {
+    Case("Seek tests", test_seek_tests),
+    Case("Simple dir seek", test_simple_dir_seek),
+    Case("Large dir seek", test_large_dir_seek),
+    Case("Simple file seek", test_simple_file_seek),
+    Case("Large file seek", test_large_file_seek),
+    Case("Simple file seek and write", test_simple_file_seek_and_write),
+    Case("Large file seek and write", test_large_file_seek_and_write),
+    Case("Boundary seek and write", test_boundary_seek_and_write),
+    Case("Out-of-bounds seek", test_out_of_bounds_seek),
+};
+
+Specification specification(test_setup, cases);
+
+int main()
+{
+    return !Harness::run(specification);
+}