1 /* $NetBSD: hextolfp.c,v 1.2 2020/05/25 20:47:36 christos Exp $ */ 2 3 #include "config.h" 4 5 #include "ntp_stdlib.h" 6 #include "ntp_calendar.h" 7 8 #include "unity.h" 9 #include "lfptest.h" 10 11 void test_PositiveInteger(void); 12 void test_NegativeInteger(void); 13 void test_PositiveFraction(void); 14 void test_NegativeFraction(void); 15 void test_IllegalNumberOfInteger(void); 16 void test_IllegalChar(void); 17 18 19 void 20 test_PositiveInteger(void) { 21 const char *str = "00001000.00000000"; 22 l_fp actual; 23 24 l_fp expected = {{4096}, 0}; /* 16^3, no fraction part. */ 25 26 TEST_ASSERT_TRUE(hextolfp(str, &actual)); 27 TEST_ASSERT_TRUE(IsEqual(expected, actual)); 28 } 29 30 void 31 test_NegativeInteger(void) { 32 const char *str = "ffffffff.00000000"; /* -1 decimal */ 33 l_fp actual; 34 35 l_fp expected = {{-1}, 0}; 36 37 TEST_ASSERT_TRUE(hextolfp(str, &actual)); 38 TEST_ASSERT_TRUE(IsEqual(expected, actual)); 39 } 40 41 void 42 test_PositiveFraction(void) { 43 const char *str = "00002000.80000000"; /* 8196.5 decimal */ 44 l_fp actual; 45 46 l_fp expected = {{8192}, HALF}; 47 48 TEST_ASSERT_TRUE(hextolfp(str, &actual)); 49 TEST_ASSERT_TRUE(IsEqual(expected, actual)); 50 } 51 52 void 53 test_NegativeFraction(void) { 54 const char *str = "ffffffff.40000000"; /* -1 + 0.25 decimal */ 55 l_fp actual; 56 57 l_fp expected = {{-1}, QUARTER}; /* -1 + 0.25 */ 58 59 TEST_ASSERT_TRUE(hextolfp(str, &actual)); 60 TEST_ASSERT_TRUE(IsEqual(expected, actual)); 61 } 62 63 void 64 test_IllegalNumberOfInteger(void) { 65 const char *str = "1000000.00000000"; /* Missing one digit in integral part. */ 66 l_fp actual; 67 68 TEST_ASSERT_FALSE(hextolfp(str, &actual)); 69 } 70 71 void 72 test_IllegalChar(void) { 73 const char *str = "10000000.0000h000"; /* Illegal character h. */ 74 l_fp actual; 75 76 TEST_ASSERT_FALSE(hextolfp(str, &actual)); 77 } 78