Changeset 0bff73a in mainline for uspace/app/tester/hw/misc/virtchar1.c

Timestamp:

2010-12-17T21:39:26Z (13 years ago)

Author:

Vojtech Horky <vojtechhorky@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

47a7174f

Parents:

424558a

Message:

Improved the virtchar1 test

File:

• uspace/app/tester/hw/misc/virtchar1.c (modified) (3 diffs)

uspace/app/tester/hw/misc/virtchar1.c

@@ -45 +45 @@
 #include <sys/stat.h>
 #include <fcntl.h>
+#include <device/char.h>
 #include "../../tester.h"
 
 #define DEVICE_PATH "/dev/devices/\\virt\\null"
+#define BUFFER_SIZE 64
 
 const char *test_virtchar1(void)
@@ -56 +58 @@
                 TPRINTF(" ...error: %s\n", str_error(fd));
                 if (fd == ENOENT) {
-                        TPRINTF("  (error was ENOENT: " \
+                        TPRINTF(" (error was ENOENT: " \
                             "have you compiled test drivers?)\n");
                 }
@@ -73 +75 @@
         TPRINTF(" ...phone is %d\n", phone);
         
+        TPRINTF("Will try to read...\n");
+        size_t i;
+        char buffer[BUFFER_SIZE];
+        read_dev(phone, buffer, BUFFER_SIZE);
+        TPRINTF(" ...verifying that we read zeroes only...\n");
+        for (i = 0; i < BUFFER_SIZE; i++) {
+                if (buffer[i] != 0) {
+                        return "Not all bytes are zeroes";
+                }
+        }
+        TPRINTF(" ...data read okay\n");
         
         /* Clean-up. */
-        TPRINTF("Closing phones and file descriptors...");
+        TPRINTF("Closing phones and file descriptors");
         ipc_hangup(phone);
         close(fd);