Diff: simple-mbed-cloud-client/TESTS/COMMON/file_test.cpp

Revision:

0:8f0bb79ddd48

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/simple-mbed-cloud-client/TESTS/COMMON/file_test.cpp	Tue May 04 08:55:12 2021 +0000
@@ -0,0 +1,103 @@
+/*
+ * mbed Microcontroller Library
+ * Copyright (c) 2006-2018 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.
+ */
+
+/*
+ * Based on mbed-stress-test by Marcus Chang @ Arm Mbed - http://github.com/ARMmbed/mbed-stress-test
+*/
+
+#include "mbed.h"
+#include "unity/unity.h"
+
+void file_test_write(const char* file, size_t offset, const unsigned char* data, size_t data_length, size_t block_size) {
+    char filename[255] = { 0 };
+    snprintf(filename, 255, "/sd/%s", file);
+
+    FILE* output = fopen(filename, "w+");
+    TEST_ASSERT_NOT_NULL_MESSAGE(output, "could not open file");
+
+    int result = fseek(output, offset, SEEK_SET);
+    TEST_ASSERT_EQUAL_INT_MESSAGE(0, result, "could not seek to location");
+
+    Timer timer;
+    timer.start();
+
+    size_t index = 0;
+    while (index < data_length) {
+        size_t write_length = data_length - index;
+
+        if (write_length > block_size) {
+            write_length = block_size;
+        }
+
+        size_t written = fwrite(&data[index], sizeof(unsigned char), write_length, output);
+        TEST_ASSERT_EQUAL_UINT_MESSAGE(write_length, written, "failed to write");
+
+        index += write_length;
+    }
+    TEST_ASSERT_EQUAL_UINT_MESSAGE(index, data_length, "wrong length");
+
+    result = fclose(output);
+    TEST_ASSERT_EQUAL_INT_MESSAGE(0, result, "could not close file");
+
+    timer.stop();
+    printf("[FS] Wrote: \"%s\" %.2fKB (%.2fKB/s, %.2f secs)\r\n", file,
+        float(data_length) / 1024, float(data_length) / timer.read() / 1024, timer.read());
+}
+
+void file_test_read(const char* file, size_t offset, const unsigned char* data, size_t data_length, size_t block_size) {
+    char filename[255] = { 0 };
+    snprintf(filename, 255, "/sd/%s", file);
+
+    FILE* output = fopen(filename, "r");
+    TEST_ASSERT_NOT_NULL_MESSAGE(output, "could not open file");
+
+    int result = fseek(output, offset, SEEK_SET);
+    TEST_ASSERT_EQUAL_INT_MESSAGE(0, result, "could not seek to location");
+
+    char* buffer = (char*) malloc(block_size);
+    TEST_ASSERT_NOT_NULL_MESSAGE(buffer, "could not allocate buffer");
+
+    Timer timer;
+    timer.start();
+
+    size_t index = 0;
+    while (index < data_length) {
+        uint32_t read_length = data_length - index;
+
+        if (read_length > block_size) {
+            read_length = block_size;
+        }
+
+        size_t read = fread(buffer, sizeof(char), read_length, output);
+        TEST_ASSERT_EQUAL_MESSAGE(read, read_length, "failed to read");
+        TEST_ASSERT_EQUAL_STRING_LEN_MESSAGE(buffer, &data[index], read_length, "character mismatch");
+
+        index += read_length;
+    }
+    TEST_ASSERT_EQUAL_UINT_MESSAGE(index, data_length, "wrong length");
+
+    result = fclose(output);
+    TEST_ASSERT_EQUAL_INT_MESSAGE(0, result, "could not close file");
+
+    free(buffer);
+
+    printf("[FS] Read : \"%s\" %.2fKB (%.2fKB/s, %.2f secs)\r\n", file,
+        float(data_length) / 1024, float(data_length) / timer.read() / 1024, timer.read());
+}
+