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