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#include "config.h"
#include <ntp.h>
#include <ntp_fp.h>
#include <refidsmear.h>
//#include "ntp_stdlib.h"
//#include "ntp_calendar.h"
#include "unity.h"
#include <stdio.h>
/*
* we want to test a refid format of:
* 254.x.y.x
*
* where x.y.z are 24 bits containing 2 (signed) integer bits
* and 22 fractional bits.
*
* we want functions to convert to/from this format, with unit tests.
*
* Interesting test cases include:
* 254.0.0.0
* 254.0.0.1
* 254.127.255.255
* 254.128.0.0
* 254.255.255.255
*/
void rtol(uint32_t r, char *es);
void rtoltor(uint32_t er, char *es);
void ltor(l_fp l, char *er);
void test_refidsmear(void);
void
rtol(uint32_t r, char *es)
{
l_fp l;
char *as;
char msg[100];
TEST_ASSERT_NOT_NULL(es);
snprintf(msg, 100, "rtol was called with r=%#.8x, es=%s", r, es);
l = convertRefIDToLFP(htonl(r));
as = lfptoa(&l, 8);
//printf("refid %#x, smear %s\n", r, as);
TEST_ASSERT_NOT_NULL_MESSAGE(as, msg);
TEST_ASSERT_EQUAL_STRING_MESSAGE(es, as, msg);
return;
}
void
rtoltor(uint32_t er, char *es)
{
l_fp l;
char *as;
uint32_t ar;
char msg[100];
TEST_ASSERT_NOT_NULL(es);
snprintf(msg, 100, "rtoltor was called with er=%#.8x, es=%s", er, es);
l = convertRefIDToLFP(htonl(er));
as = lfptoa(&l, 8);
ar = convertLFPToRefID(l);
//printf("smear %s, refid %#.8x\n", lfptoa(&l, 8), ntohl(ar));
TEST_ASSERT_NOT_NULL_MESSAGE(as, msg);
TEST_ASSERT_EQUAL_STRING_MESSAGE(es, as, msg);
TEST_ASSERT_EQUAL_UINT_MESSAGE(er, ntohl(ar), msg);
return;
}
void
ltor(l_fp l, char *er)
{
uint32_t r;
printf("ltor: ");
r = convertLFPToRefID(l);
printf("smear %s, refid %#.8x\n", lfptoa(&l, 8), ntohl(r));
return;
}
void test_refidsmear(void)
{
rtol(0xfe800000, "-2.00000000");
rtol(0xfe800001, "-1.99999976");
rtol(0xfe8ffffe, "-1.75000048");
rtol(0xfe8fffff, "-1.75000024");
rtol(0xfef00000, "-0.25000000");
rtol(0xfef00001, "-0.24999976");
rtol(0xfefffffe, "-0.00000048");
rtol(0xfeffffff, "-0.00000024");
rtol(0xfe000000, "0.00000000");
rtol(0xfe000001, "0.00000024");
rtol(0xfe6ffffe, "1.74999952");
rtol(0xfe6fffff, "1.74999976");
rtol(0xfe700000, "1.75000000");
rtol(0xfe700001, "1.75000024");
rtol(0xfe7ffffe, "1.99999952");
rtol(0xfe7fffff, "1.99999976");
rtoltor(0xfe800000, "-2.00000000");
rtoltor(0xfe800001, "-1.99999976");
rtoltor(0xfe8ffffe, "-1.75000048");
rtoltor(0xfe8fffff, "-1.75000024");
rtoltor(0xfef00000, "-0.25000000");
rtoltor(0xfef00001, "-0.24999976");
rtoltor(0xfefffffe, "-0.00000048");
rtoltor(0xfeffffff, "-0.00000024");
rtoltor(0xfe000000, "0.00000000");
rtoltor(0xfe000001, "0.00000024");
rtoltor(0xfe6ffffe, "1.74999952");
rtoltor(0xfe6fffff, "1.74999976");
rtoltor(0xfe700000, "1.75000000");
rtoltor(0xfe700001, "1.75000024");
rtoltor(0xfe7ffffe, "1.99999952");
rtoltor(0xfe7fffff, "1.99999976");
return;
}
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