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test reading 0 samples

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This commit is contained in:
David Schleef 2002-06-06 00:38:54 +00:00
parent 6a3e5a4ca5
commit 1303b4758c
2 changed files with 38 additions and 0 deletions
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36
testing/insn_read.c
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@ -58,3 +58,39 @@ int test_insn_read(void)
return 0;
}
/*
* This function tests reading with n=0.
*/
int test_insn_read_0(void)
{
comedi_insn it;
lsampl_t data = 0xffffffff;
int ret;
int type;
type = comedi_get_subdevice_type(device,subdevice);
if(type==COMEDI_SUBD_UNUSED){
printf("not applicable\n");
return 0;
}
memset(&it,0,sizeof(it));
it.subdev = subdevice;
it.insn = INSN_READ;
it.n = 0;
it.chanspec = CR_PACK(0,0,0);
it.data = &data;
ret = comedi_do_insn(device,&it);
if(ret<0){
printf("E: comedi_do_insn: %s\n",strerror(errno));
}else if(ret==0){
printf("comedi_do_insn returned 0, good\n");
}else{
printf("E: comedi_do_insn returned %d\n",ret);
}
return 0;
}

2
testing/main.c
View file

@ -26,6 +26,7 @@ int range;
int test_info(void);
int test_mode0_read(void);
int test_insn_read(void);
int test_insn_read_0(void);
int test_insn_read_time(void);
int test_cmd_no_cmd(void);
int test_cmd_probe_src_mask(void);
@ -52,6 +53,7 @@ struct test_struct tests[]={
{ "info", test_info, TEST_STD },
{ "mode0_read", test_mode0_read, TEST_NEVER },
{ "insn_read", test_insn_read, TEST_STD },
{ "insn_read_0", test_insn_read_0, TEST_STD },
{ "insn_read_time", test_insn_read_time, TEST_STD },
{ "cmd_no_cmd", test_cmd_no_cmd, TEST_STD },
{ "cmd_probe_src_mask", test_cmd_probe_src_mask, TEST_STD },