file_operations.cpp 5.1 KB

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  1. /******************************************************************************
  2. * MiniFFS : Mini Flat File System
  3. * This file is part of the test suite of MiniFFS
  4. *
  5. * Copyright (c) 2008-2022 986-Studio. All rights reserved.
  6. *
  7. ******************************************************************************/
  8. #include <gtest/gtest.h>
  9. #include <miniffs.h>
  10. #include "get_fs.h"
  11. TEST(FileOperations, OpeningAFile)
  12. {
  13. miniffs_t *fs = get_fs("simple_test.mffs");
  14. file_t *fp = miniffs_open(fs, "HELLO.TXT");
  15. ASSERT_NE(fp, nullptr);
  16. }
  17. TEST(FileOperations, OpeningANonExistingFile)
  18. {
  19. miniffs_t *fs = get_fs("simple_test.mffs");
  20. file_t *fp = miniffs_open(fs, "FOO.BAR");
  21. ASSERT_EQ(fp, nullptr);
  22. ASSERT_EQ(miniffs_geterror(), MINIFFS_FILE_NOT_FOUND);
  23. }
  24. TEST(FileOperations, UsingTheWrongNameCases)
  25. {
  26. miniffs_t *fs = get_fs("simple_test.mffs");
  27. file_t *fp = miniffs_open(fs, "hello.txt");
  28. ASSERT_EQ(fp, nullptr);
  29. ASSERT_EQ(miniffs_geterror(), MINIFFS_FILE_NOT_FOUND);
  30. }
  31. TEST(FileOperations, TooLongFilename)
  32. {
  33. miniffs_t *fs = get_fs("simple_test.mffs");
  34. file_t *fp = miniffs_open(fs, "THISisNOTaVALIDname.txt");
  35. ASSERT_EQ(fp, nullptr);
  36. ASSERT_EQ(miniffs_geterror(), MINIFFS_INVALID_NAME);
  37. }
  38. TEST(FileOperations, TooLongExtension)
  39. {
  40. miniffs_t *fs = get_fs("simple_test.mffs");
  41. file_t *fp = miniffs_open(fs, "HELLO.thisIsNotValid");
  42. ASSERT_EQ(fp, nullptr);
  43. ASSERT_EQ(miniffs_geterror(), MINIFFS_INVALID_NAME);
  44. }
  45. TEST(FileOperations, ReadABytes)
  46. {
  47. miniffs_t *fs = get_fs("simple_test.mffs");
  48. file_t *fp = miniffs_open(fs, "HELLO.TXT");
  49. ASSERT_EQ(miniffs_read(fp), 'H');
  50. ASSERT_EQ(miniffs_read(fp), 'e');
  51. }
  52. TEST(FileOperations, TestingSeek)
  53. {
  54. miniffs_t *fs = get_fs("simple_test.mffs");
  55. file_t *fp = miniffs_open(fs, "HELLO.TXT");
  56. ASSERT_EQ(miniffs_read(fp), 'H');
  57. ASSERT_EQ(miniffs_read(fp), 'e');
  58. miniffs_seek(fp, 0, MFFS_SEEK_SET);
  59. ASSERT_EQ(miniffs_read(fp), 'H');
  60. ASSERT_EQ(miniffs_read(fp), 'e');
  61. miniffs_seek(fp, 5, MFFS_SEEK_SET);
  62. ASSERT_EQ(miniffs_read(fp), ' ');
  63. ASSERT_EQ(miniffs_read(fp), 'W');
  64. miniffs_seek(fp, 1, MFFS_SEEK_CUR);
  65. ASSERT_EQ(miniffs_read(fp), 'r');
  66. miniffs_seek(fp, 0, MFFS_SEEK_END);
  67. ASSERT_EQ(miniffs_read(fp), '!');
  68. miniffs_seek(fp, 1, MFFS_SEEK_END);
  69. ASSERT_EQ(miniffs_read(fp), 'd');
  70. ASSERT_EQ(miniffs_read(fp), '!');
  71. }
  72. TEST(FileOperations, TestingEndOfFileBoundary)
  73. {
  74. miniffs_t *fs = get_fs("simple_test.mffs");
  75. file_t *fp = miniffs_open(fs, "HELLO.TXT");
  76. miniffs_seek(fp, 1, MFFS_SEEK_END);
  77. ASSERT_EQ(miniffs_read(fp), 'd');
  78. ASSERT_EQ(miniffs_read(fp), '!');
  79. ASSERT_EQ(miniffs_geterror(), MINIFFS_END_OF_FILE);
  80. ASSERT_EQ(miniffs_read(fp), '!');
  81. ASSERT_EQ(miniffs_geterror(), MINIFFS_END_OF_FILE);
  82. ASSERT_EQ(miniffs_read(fp), '!');
  83. ASSERT_EQ(miniffs_geterror(), MINIFFS_END_OF_FILE);
  84. }
  85. TEST(FileOperations, ReadBlocks) {
  86. miniffs_t *fs = get_fs("simple_test.mffs");
  87. file_t *fp = miniffs_open(fs, "HELLO.TXT");
  88. char buffer[13];
  89. int ret;
  90. memset(buffer, 0, 13);
  91. ret = miniffs_read_blocks(buffer, 4, 1, fp);
  92. ASSERT_EQ(ret, 1);
  93. ASSERT_EQ(buffer[0], 'H');
  94. ASSERT_EQ(buffer[1], 'e');
  95. ASSERT_EQ(buffer[2], 'l');
  96. ASSERT_EQ(buffer[3], 'l');
  97. memset(buffer, 0, 13);
  98. ret = miniffs_read_blocks(buffer, 4, 1, fp);
  99. ASSERT_EQ(ret, 1);
  100. ASSERT_EQ(buffer[0], 'o');
  101. ASSERT_EQ(buffer[1], ' ');
  102. ASSERT_EQ(buffer[2], 'W');
  103. ASSERT_EQ(buffer[3], 'o');
  104. }
  105. TEST(FileOperations, ReadMultiplesBlocks) {
  106. miniffs_t *fs = get_fs("simple_test.mffs");
  107. file_t *fp = miniffs_open(fs, "HELLO.TXT");
  108. char buffer[13];
  109. int ret;
  110. memset(buffer, 0, 13);
  111. ret = miniffs_read_blocks(buffer, 4, 2, fp);
  112. ASSERT_EQ(ret, 2);
  113. ASSERT_EQ(buffer[0], 'H');
  114. ASSERT_EQ(buffer[1], 'e');
  115. ASSERT_EQ(buffer[2], 'l');
  116. ASSERT_EQ(buffer[3], 'l');
  117. ASSERT_EQ(buffer[4], 'o');
  118. ASSERT_EQ(buffer[5], ' ');
  119. ASSERT_EQ(buffer[6], 'W');
  120. ASSERT_EQ(buffer[7], 'o');
  121. memset(buffer, 0, 13);
  122. miniffs_seek(fp, 0, MFFS_SEEK_SET);
  123. ret = miniffs_read_blocks(buffer, 4, 3, fp);
  124. ASSERT_EQ(ret, 3);
  125. ASSERT_EQ(buffer[0], 'H');
  126. ASSERT_EQ(buffer[1], 'e');
  127. ASSERT_EQ(buffer[2], 'l');
  128. ASSERT_EQ(buffer[3], 'l');
  129. ASSERT_EQ(buffer[4], 'o');
  130. ASSERT_EQ(buffer[5], ' ');
  131. ASSERT_EQ(buffer[6], 'W');
  132. ASSERT_EQ(buffer[7], 'o');
  133. ASSERT_EQ(buffer[8], 'r');
  134. ASSERT_EQ(buffer[9], 'l');
  135. ASSERT_EQ(buffer[10], 'd');
  136. ASSERT_EQ(buffer[11], '!');
  137. }
  138. TEST(FileOperations, ReadTooManyBlocks)
  139. {
  140. miniffs_t *fs = get_fs("simple_test.mffs");
  141. file_t *fp = miniffs_open(fs, "HELLO.TXT");
  142. char buffer[13];
  143. int ret;
  144. memset(buffer, 0, 13);
  145. ret = miniffs_read_blocks(buffer, 4, 4, fp);
  146. ASSERT_EQ(ret, 3);
  147. ASSERT_EQ(buffer[0], 'H');
  148. ASSERT_EQ(buffer[1], 'e');
  149. ASSERT_EQ(buffer[2], 'l');
  150. ASSERT_EQ(buffer[3], 'l');
  151. ASSERT_EQ(buffer[4], 'o');
  152. ASSERT_EQ(buffer[5], ' ');
  153. ASSERT_EQ(buffer[6], 'W');
  154. ASSERT_EQ(buffer[7], 'o');
  155. ASSERT_EQ(buffer[8], 'r');
  156. ASSERT_EQ(buffer[9], 'l');
  157. ASSERT_EQ(buffer[10], 'd');
  158. ASSERT_EQ(buffer[11], '!');
  159. }