diff options
| -rw-r--r-- | tests/test_tio.c | 17 |
1 files changed, 14 insertions, 3 deletions
diff --git a/tests/test_tio.c b/tests/test_tio.c index c21fa39..b590883 100644 --- a/tests/test_tio.c +++ b/tests/test_tio.c @@ -272,6 +272,7 @@ static void test_timeout_reader(void) FILE *wfp; uint8_t buf[20]; time_t start,end; + int saved_errno; /* set up the socket pair */ assertok(socketpair(AF_UNIX,SOCK_STREAM,0,sp)==0); /* open the writer */ @@ -282,11 +283,17 @@ static void test_timeout_reader(void) (int)sizeof(buf)); /* perform a read */ start=time(NULL); + errno=0; assertok(tio_read(rfp,buf,sizeof(buf))!=0); + saved_errno=errno; end=time(NULL); printf("test_tio: test_timeout_reader: read 0 blocks of %d bytes in %d second(s) (%s)\n", - (int)sizeof(buf),(int)(end-start),strerror(errno)); + (int)sizeof(buf),(int)(end-start),strerror(saved_errno)); + /* since the read timeout is more than a second end time should be bigger + than start time */ assert(end>start); + /* the error should be timeout */ + assert(saved_errno==ETIME); /* close the files */ assertok(tio_close(rfp)==0); assertok(fclose(wfp)==0); @@ -302,6 +309,7 @@ static void test_timeout_writer(void) uint8_t buf[20]; time_t start,end; int numblocks=10000; + int saved_errno; /* set up the socket pair */ assertok(socketpair(AF_UNIX,SOCK_STREAM,0,sp)==0); /* open the reader */ @@ -314,12 +322,13 @@ static void test_timeout_writer(void) printf("test_tio: test_timeout_writer: trying to write %d blocks of %d bytes\n", numblocks,(int)sizeof(buf)); /* we perform a number of writes to the stream to see if they are buffered */ - errno=0; start=time(NULL); + errno=0; for (i=0;(i<numblocks)&&(tio_write(wfp,buf,sizeof(buf))==0);i++); + saved_errno=errno; end=time(NULL); printf("test_tio: test_timeout_writer: written %d blocks of %d bytes in %d second(s) (%s)\n", - i,(int)sizeof(buf),(int)(end-start),strerror(errno)); + i,(int)sizeof(buf),(int)(end-start),strerror(saved_errno)); /* at the very least 4 writes should be OK because they filled the tio buffer */ assert(i>=4); /* but at a certain point the writes should have failed */ @@ -327,6 +336,8 @@ static void test_timeout_writer(void) /* since the write timeout is more than a second end time should be bigger than start time */ assert(end>start); + /* the error should be timeout */ + assert(saved_errno==ETIME); /* close the files */ assertok(tio_close(wfp)!=0); /* fails because of bufferred data */ assertok(fclose(rfp)==0); |