Add support for writing far over the EOF.

[bertos.git] / bertos / fs / battfs_test.c

diff --git a/bertos/fs/battfs_test.c b/bertos/fs/battfs_test.c
index c1cd89e6e418c454f1c2d52d89d155ad70edc866..0df504cd72fc5cb31983deea18410fdc7638d6ae 100644 (file)
--- a/bertos/fs/battfs_test.c
+++ b/bertos/fs/battfs_test.c
@@ -785,6 +785,85 @@ static void readEOF(BattFsSuper *disk)
        TRACEMSG("18: passed\n");
 }
 
+static void writeEOF(BattFsSuper *disk)
+{
+       TRACEMSG("19: writing over EOF test\n");
+
+       FILE *fpt = fopen(test_filename, "w+");
+
+       for (int i = 0; i < FILE_SIZE / 5; i++)
+               fputc(0xff, fpt);
+       fclose(fpt);
+
+       BattFs fd1;
+       inode_t INODE = 0;
+       unsigned int MODE = BATTFS_CREATE;
+       uint8_t buf[FILE_SIZE / 13];
+
+       for (int i = 0; i < 2; i++)
+               buf[i] = i;
+
+       ASSERT(battfs_init(disk));
+       disk_size_t prev_free = disk->free_bytes;
+       ASSERT(battfs_fileopen(disk, &fd1, INODE, MODE));
+       ASSERT(fd1.fd.size == 0);
+
+       ASSERT(kfile_seek(&fd1.fd, 2, KSM_SEEK_END) == 2);
+       ASSERT(kfile_write(&fd1.fd, buf, 2));
+       ASSERT(fd1.fd.seek_pos == 4);
+       ASSERT(fd1.fd.size == 4);
+       ASSERT(disk->free_bytes == prev_free - 4);
+       ASSERT(kfile_seek(&fd1.fd, 0, KSM_SEEK_SET) == 0);
+       memset(buf, 0, 2);
+       ASSERT(kfile_read(&fd1.fd, buf, 2) == 2);
+       for (int i = 0; i < 2; i++)
+               ASSERT(buf[i] == 0xff);
+
+       memset(buf, 0, 2);
+       ASSERT(kfile_read(&fd1.fd, buf, 2) == 2);
+       for (int i = 0; i < 2; i++)
+               ASSERT(buf[i] == (i & 0xff));
+
+       ASSERT(kfile_seek(&fd1.fd, sizeof(buf), KSM_SEEK_END) == sizeof(buf) + 4);
+       for (int i = 0; i < sizeof(buf); i++)
+               buf[i] = i;
+       ASSERT(kfile_write(&fd1.fd, buf, sizeof(buf)));
+       ASSERT(fd1.fd.seek_pos == sizeof(buf) * 2 + 4);
+       ASSERT(fd1.fd.size == sizeof(buf) * 2 + 4);
+       ASSERT(disk->free_bytes == prev_free - sizeof(buf) * 2 - 4);
+
+       ASSERT(kfile_seek(&fd1.fd, 0, KSM_SEEK_SET) == 0);
+
+       memset(buf, 0, 2);
+       ASSERT(kfile_read(&fd1.fd, buf, 2) == 2);
+       ASSERT(fd1.fd.seek_pos == 2);
+       for (int i = 0; i < 2; i++)
+               ASSERT(buf[i] == 0xff);
+
+       memset(buf, 0, 2);
+       ASSERT(kfile_read(&fd1.fd, buf, 2) == 2);
+       ASSERT(fd1.fd.seek_pos == 4);
+       for (int i = 0; i < 2; i++)
+               ASSERT(buf[i] == (i & 0xff));
+
+       memset(buf, 0, 4);
+       ASSERT(kfile_read(&fd1.fd, buf, sizeof(buf)) == sizeof(buf));
+       ASSERT(fd1.fd.seek_pos == sizeof(buf) + 4);
+       for (int i = 0; i < sizeof(buf); i++)
+               ASSERT(buf[i] == 0xff);
+
+       memset(buf, 0, sizeof(buf));
+       ASSERT(kfile_read(&fd1.fd, buf, sizeof(buf)) == sizeof(buf));
+       for (int i = 0; i < sizeof(buf); i++)
+               ASSERT(buf[i] == (i & 0xff));
+
+       ASSERT(kfile_close(&fd1.fd) == 0);
+       ASSERT(battfs_close(disk));
+
+       TRACEMSG("19: passed\n");
+
+}
+
 
 int battfs_testRun(void)
 {
@@ -815,6 +894,7 @@ int battfs_testRun(void)
        multipleWrite(&disk);
        increaseFile(&disk);
        readEOF(&disk);
+       writeEOF(&disk);
 
        kprintf("All tests passed!\n");