file_operations.cpp 6.6 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, LargeOutOfBoundarySeeks)
  73. {
  74. miniffs_t *fs = get_fs("simple_test.mffs");
  75. file_t *fp = miniffs_open(fs, "HELLO.TXT");
  76. miniffs_seek(fp, 100, MFFS_SEEK_SET);
  77. ASSERT_EQ(miniffs_geterror(), MINIFFS_SEEK_OUT_OF_BOUNDARIES);
  78. ASSERT_EQ(miniffs_read(fp), '!');
  79. ASSERT_EQ(miniffs_geterror(), MINIFFS_END_OF_FILE);
  80. miniffs_seek(fp, 100, MFFS_SEEK_END);
  81. ASSERT_EQ(miniffs_geterror(), MINIFFS_SEEK_OUT_OF_BOUNDARIES);
  82. ASSERT_EQ(miniffs_read(fp), 'H');
  83. }
  84. TEST(FileOperations, SeekingAroundBoundaries)
  85. {
  86. miniffs_t *fs = get_fs("simple_test.mffs");
  87. file_t *fp = miniffs_open(fs, "HELLO.TXT");
  88. miniffs_seek(fp, 10, MFFS_SEEK_SET);
  89. ASSERT_EQ(miniffs_geterror(), MINIFFS_NOERROR);
  90. ASSERT_EQ(miniffs_read(fp), 'd');
  91. miniffs_seek(fp, 11, MFFS_SEEK_SET);
  92. ASSERT_EQ(miniffs_geterror(), MINIFFS_NOERROR);
  93. ASSERT_EQ(miniffs_read(fp), '!');
  94. miniffs_seek(fp, 12, MFFS_SEEK_SET);
  95. ASSERT_EQ(miniffs_geterror(), MINIFFS_SEEK_OUT_OF_BOUNDARIES);
  96. ASSERT_EQ(miniffs_read(fp), '!');
  97. miniffs_seek(fp, 10, MFFS_SEEK_END);
  98. ASSERT_EQ(miniffs_geterror(), MINIFFS_NOERROR);
  99. ASSERT_EQ(miniffs_read(fp), 'e');
  100. miniffs_seek(fp, 11, MFFS_SEEK_END);
  101. ASSERT_EQ(miniffs_geterror(), MINIFFS_NOERROR);
  102. ASSERT_EQ(miniffs_read(fp), 'H');
  103. miniffs_seek(fp, 12, MFFS_SEEK_END);
  104. ASSERT_EQ(miniffs_geterror(), MINIFFS_SEEK_OUT_OF_BOUNDARIES);
  105. ASSERT_EQ(miniffs_read(fp), 'H');
  106. }
  107. TEST(FileOperations, TestingEndOfFileBoundary)
  108. {
  109. miniffs_t *fs = get_fs("simple_test.mffs");
  110. file_t *fp = miniffs_open(fs, "HELLO.TXT");
  111. miniffs_seek(fp, 1, MFFS_SEEK_END);
  112. ASSERT_EQ(miniffs_read(fp), 'd');
  113. ASSERT_EQ(miniffs_read(fp), '!');
  114. ASSERT_EQ(miniffs_geterror(), MINIFFS_END_OF_FILE);
  115. ASSERT_EQ(miniffs_read(fp), '!');
  116. ASSERT_EQ(miniffs_geterror(), MINIFFS_END_OF_FILE);
  117. ASSERT_EQ(miniffs_read(fp), '!');
  118. ASSERT_EQ(miniffs_geterror(), MINIFFS_END_OF_FILE);
  119. }
  120. TEST(FileOperations, ReadBlocks) {
  121. miniffs_t *fs = get_fs("simple_test.mffs");
  122. file_t *fp = miniffs_open(fs, "HELLO.TXT");
  123. char buffer[13];
  124. int ret;
  125. memset(buffer, 0, 13);
  126. ret = miniffs_read_blocks(buffer, 4, 1, fp);
  127. ASSERT_EQ(ret, 1);
  128. ASSERT_EQ(buffer[0], 'H');
  129. ASSERT_EQ(buffer[1], 'e');
  130. ASSERT_EQ(buffer[2], 'l');
  131. ASSERT_EQ(buffer[3], 'l');
  132. memset(buffer, 0, 13);
  133. ret = miniffs_read_blocks(buffer, 4, 1, fp);
  134. ASSERT_EQ(ret, 1);
  135. ASSERT_EQ(buffer[0], 'o');
  136. ASSERT_EQ(buffer[1], ' ');
  137. ASSERT_EQ(buffer[2], 'W');
  138. ASSERT_EQ(buffer[3], 'o');
  139. }
  140. TEST(FileOperations, ReadMultiplesBlocks) {
  141. miniffs_t *fs = get_fs("simple_test.mffs");
  142. file_t *fp = miniffs_open(fs, "HELLO.TXT");
  143. char buffer[13];
  144. int ret;
  145. memset(buffer, 0, 13);
  146. ret = miniffs_read_blocks(buffer, 4, 2, fp);
  147. ASSERT_EQ(ret, 2);
  148. ASSERT_EQ(buffer[0], 'H');
  149. ASSERT_EQ(buffer[1], 'e');
  150. ASSERT_EQ(buffer[2], 'l');
  151. ASSERT_EQ(buffer[3], 'l');
  152. ASSERT_EQ(buffer[4], 'o');
  153. ASSERT_EQ(buffer[5], ' ');
  154. ASSERT_EQ(buffer[6], 'W');
  155. ASSERT_EQ(buffer[7], 'o');
  156. memset(buffer, 0, 13);
  157. miniffs_seek(fp, 0, MFFS_SEEK_SET);
  158. ret = miniffs_read_blocks(buffer, 4, 3, fp);
  159. ASSERT_EQ(ret, 3);
  160. ASSERT_EQ(buffer[0], 'H');
  161. ASSERT_EQ(buffer[1], 'e');
  162. ASSERT_EQ(buffer[2], 'l');
  163. ASSERT_EQ(buffer[3], 'l');
  164. ASSERT_EQ(buffer[4], 'o');
  165. ASSERT_EQ(buffer[5], ' ');
  166. ASSERT_EQ(buffer[6], 'W');
  167. ASSERT_EQ(buffer[7], 'o');
  168. ASSERT_EQ(buffer[8], 'r');
  169. ASSERT_EQ(buffer[9], 'l');
  170. ASSERT_EQ(buffer[10], 'd');
  171. ASSERT_EQ(buffer[11], '!');
  172. }
  173. TEST(FileOperations, ReadTooManyBlocks)
  174. {
  175. miniffs_t *fs = get_fs("simple_test.mffs");
  176. file_t *fp = miniffs_open(fs, "HELLO.TXT");
  177. char buffer[13];
  178. int ret;
  179. memset(buffer, 0, 13);
  180. ret = miniffs_read_blocks(buffer, 4, 4, fp);
  181. ASSERT_EQ(ret, 3);
  182. ASSERT_EQ(buffer[0], 'H');
  183. ASSERT_EQ(buffer[1], 'e');
  184. ASSERT_EQ(buffer[2], 'l');
  185. ASSERT_EQ(buffer[3], 'l');
  186. ASSERT_EQ(buffer[4], 'o');
  187. ASSERT_EQ(buffer[5], ' ');
  188. ASSERT_EQ(buffer[6], 'W');
  189. ASSERT_EQ(buffer[7], 'o');
  190. ASSERT_EQ(buffer[8], 'r');
  191. ASSERT_EQ(buffer[9], 'l');
  192. ASSERT_EQ(buffer[10], 'd');
  193. ASSERT_EQ(buffer[11], '!');
  194. }