aboutsummaryrefslogtreecommitdiff
path: root/src/systemcmds/tests
diff options
context:
space:
mode:
authorLorenz Meier <lm@inf.ethz.ch>2013-10-10 08:34:08 +0200
committerLorenz Meier <lm@inf.ethz.ch>2013-10-10 08:34:08 +0200
commite0e708241b965f364fd49fa0d2270de5ad517a70 (patch)
tree6391b563650cc4ac2148c3d5514833c038fea483 /src/systemcmds/tests
parent8407677f20ecc7ea5374a0ded41263ede019d9f6 (diff)
downloadpx4-firmware-e0e708241b965f364fd49fa0d2270de5ad517a70.tar.gz
px4-firmware-e0e708241b965f364fd49fa0d2270de5ad517a70.tar.bz2
px4-firmware-e0e708241b965f364fd49fa0d2270de5ad517a70.zip
More testing output
Diffstat (limited to 'src/systemcmds/tests')
-rw-r--r--src/systemcmds/tests/tests_file.c126
1 files changed, 112 insertions, 14 deletions
diff --git a/src/systemcmds/tests/tests_file.c b/src/systemcmds/tests/tests_file.c
index ab3dd7830..aa0e163d7 100644
--- a/src/systemcmds/tests/tests_file.c
+++ b/src/systemcmds/tests/tests_file.c
@@ -77,7 +77,7 @@ test_file(int argc, char *argv[])
int fd = open("/fs/microsd/testfile", O_TRUNC | O_WRONLY | O_CREAT);
- warnx("testing aligned and unaligned writes - please wait..");
+ warnx("testing unaligned writes - please wait..");
start = hrt_absolute_time();
for (unsigned i = 0; i < iterations; i++) {
@@ -104,12 +104,11 @@ test_file(int argc, char *argv[])
perf_free(wperf);
close(fd);
-
fd = open("/fs/microsd/testfile", O_RDONLY);
/* read back data for validation */
for (unsigned i = 0; i < iterations; i++) {
- int rret = read(fd, read_buf + 0, 512);
+ int rret = read(fd, read_buf, 512);
if (rret != 512) {
warn("READ ERROR!");
@@ -120,7 +119,7 @@ test_file(int argc, char *argv[])
bool compare_ok = true;
for (int j = 0; j < 512; j++) {
- if ((read_buf + 0)[j] != write_buf[j + 1/*+ (i % 64)*/]) {
+ if (read_buf[j] != write_buf[j + 1/*+ (i % 64)*/]) {
warnx("COMPARISON ERROR: byte %d, align shift: %d", j, 1/*(i % 64)*/);
compare_ok = false;
break;
@@ -134,22 +133,121 @@ test_file(int argc, char *argv[])
}
- /* read back data for alignment checks */
- // for (unsigned i = 0; i < iterations; i++) {
- // perf_begin(wperf);
- // int rret = read(fd, buf + (i % 64), sizeof(buf));
- // fsync(fd);
- // perf_end(wperf);
-
- // }
+ /*
+ * ALIGNED WRITES AND UNALIGNED READS
+ */
int ret = unlink("/fs/microsd/testfile");
+ fd = open("/fs/microsd/testfile", O_TRUNC | O_WRONLY | O_CREAT);
- if (ret)
- err(1, "UNLINKING FILE FAILED");
+ warnx("testing aligned writes - please wait..");
+
+ start = hrt_absolute_time();
+ for (unsigned i = 0; i < iterations; i++) {
+ perf_begin(wperf);
+ int wret = write(fd, write_buf, 512);
+
+ if (wret != 512) {
+ warn("WRITE ERROR!");
+ }
+
+ perf_end(wperf);
+
+ }
+
+ fsync(fd);
+
+ warnx("reading data aligned..");
+
+ close(fd);
+ fd = open("/fs/microsd/testfile", O_RDONLY);
+
+ bool align_read_ok = true;
+
+ /* read back data unaligned */
+ for (unsigned i = 0; i < iterations; i++) {
+ int rret = read(fd, read_buf, 512);
+
+ if (rret != 512) {
+ warn("READ ERROR!");
+ break;
+ }
+
+ /* compare value */
+ bool compare_ok = true;
+
+ for (int j = 0; j < 512; j++) {
+ if (read_buf[j] != write_buf[j]) {
+ warnx("COMPARISON ERROR: byte %d: %u != %u", j, (unsigned int)read_buf[j], (unsigned int)write_buf[j]);
+ align_read_ok = false;
+ break;
+ }
+ }
+
+ if (!align_read_ok) {
+ warnx("ABORTING FURTHER COMPARISON DUE TO ERROR");
+ break;
+ }
+
+ }
+
+ warnx("align read result: %s\n", (align_read_ok) ? "OK" : "ERROR");
+
+ warnx("reading data unaligned..");
+
+ close(fd);
+ fd = open("/fs/microsd/testfile", O_RDONLY);
+
+ bool unalign_read_ok = true;
+ int unalign_read_err_count = 0;
+
+ memset(read_buf, 0, sizeof(read_buf));
+ read_buf[0] = 0;
+
+ warnx("printing first 10 pairs:");
+
+ uint8_t *read_ptr = &read_buf[1];
+
+ /* read back data unaligned */
+ for (unsigned i = 0; i < iterations; i++) {
+ int rret = read(fd, read_ptr, 512);
+
+ warnx("first byte: %u (should be zero)", (unsigned int)read_buf[0]);
+
+ if (rret != 512) {
+ warn("READ ERROR!");
+ break;
+ }
+
+ for (int j = 0; j < 512; j++) {
+
+ if (i == 0 && j < 10) {
+ warnx("read: %u, expect: %u", (unsigned int)(read_buf + 1)[j], (unsigned int)write_buf[j]);
+ }
+
+ if ((read_buf + 1)[j] != write_buf[j]) {
+ warnx("COMPARISON ERROR: byte %d, align shift: %d: %u != %u", j, 1/*(i % 64)*/, (unsigned int)read_buf[j], (unsigned int)write_buf[j]);
+ unalign_read_ok = false;
+ unalign_read_err_count++;
+
+ if (unalign_read_err_count > 10)
+ break;
+ }
+ }
+ if (!unalign_read_ok) {
+ warnx("ABORTING FURTHER COMPARISON DUE TO ERROR");
+ break;
+ }
+
+ }
+
+ ret = unlink("/fs/microsd/testfile");
close(fd);
+ if (ret)
+ err(1, "UNLINKING FILE FAILED");
+
/* list directory */
DIR *d;
struct dirent *dir;