5 #include <refidsmear.h>
7 //#include "ntp_stdlib.h"
8 //#include "ntp_calendar.h"
15 * we want to test a refid format of:
18 * where x.y.z are 24 bits containing 2 (signed) integer bits
19 * and 22 fractional bits.
21 * we want functions to convert to/from this format, with unit tests.
23 * Interesting test cases include:
33 void rtol(uint32_t r, char *es);
34 void rtoltor(uint32_t er, char *es);
35 void ltor(l_fp l, char *er);
36 void test_refidsmear(void);
48 rtol(uint32_t r, char *es)
54 TEST_ASSERT_NOT_NULL(es);
56 snprintf(msg, 100, "rtol was called with r=%#.8x, es=%s", r, es);
58 l = convertRefIDToLFP(htonl(r));
61 //printf("refid %#x, smear %s\n", r, as);
63 TEST_ASSERT_NOT_NULL_MESSAGE(as, msg);
64 TEST_ASSERT_EQUAL_STRING_MESSAGE(es, as, msg);
71 rtoltor(uint32_t er, char *es)
78 TEST_ASSERT_NOT_NULL(es);
80 snprintf(msg, 100, "rtoltor was called with er=%#.8x, es=%s", er, es);
82 l = convertRefIDToLFP(htonl(er));
85 ar = convertLFPToRefID(l);
87 //printf("smear %s, refid %#.8x\n", lfptoa(&l, 8), ntohl(ar));
89 TEST_ASSERT_NOT_NULL_MESSAGE(as, msg);
90 TEST_ASSERT_EQUAL_STRING_MESSAGE(es, as, msg);
91 TEST_ASSERT_EQUAL_UINT_MESSAGE(er, ntohl(ar), msg);
98 ltor(l_fp l, char *er)
104 r = convertLFPToRefID(l);
105 printf("smear %s, refid %#.8x\n", lfptoa(&l, 8), ntohl(r));
111 void test_refidsmear(void)
114 rtol(0xfe800000, "-2.00000000");
115 rtol(0xfe800001, "-1.99999976");
116 rtol(0xfe8ffffe, "-1.75000048");
117 rtol(0xfe8fffff, "-1.75000024");
118 rtol(0xfef00000, "-0.25000000");
119 rtol(0xfef00001, "-0.24999976");
120 rtol(0xfefffffe, "-0.00000048");
121 rtol(0xfeffffff, "-0.00000024");
123 rtol(0xfe000000, "0.00000000");
124 rtol(0xfe000001, "0.00000024");
125 rtol(0xfe6ffffe, "1.74999952");
126 rtol(0xfe6fffff, "1.74999976");
127 rtol(0xfe700000, "1.75000000");
128 rtol(0xfe700001, "1.75000024");
129 rtol(0xfe7ffffe, "1.99999952");
130 rtol(0xfe7fffff, "1.99999976");
132 rtoltor(0xfe800000, "-2.00000000");
133 rtoltor(0xfe800001, "-1.99999976");
134 rtoltor(0xfe8ffffe, "-1.75000048");
135 rtoltor(0xfe8fffff, "-1.75000024");
136 rtoltor(0xfef00000, "-0.25000000");
137 rtoltor(0xfef00001, "-0.24999976");
138 rtoltor(0xfefffffe, "-0.00000048");
139 rtoltor(0xfeffffff, "-0.00000024");
141 rtoltor(0xfe000000, "0.00000000");
142 rtoltor(0xfe000001, "0.00000024");
143 rtoltor(0xfe6ffffe, "1.74999952");
144 rtoltor(0xfe6fffff, "1.74999976");
145 rtoltor(0xfe700000, "1.75000000");
146 rtoltor(0xfe700001, "1.75000024");
147 rtoltor(0xfe7ffffe, "1.99999952");
148 rtoltor(0xfe7fffff, "1.99999976");