| 69 | } |
| 70 | |
| 71 | static void test_signed_ints(void) |
| 72 | { |
| 73 | /* Let's test some serializations */ |
| 74 | void *ctx = tal(NULL, char); |
| 75 | struct test_case { |
| 76 | s64 val; |
| 77 | char *hexstr; |
| 78 | } s8s[] = { |
| 79 | { .val = 0, .hexstr = "00" }, |
| 80 | { .val = 42, .hexstr = "2a" }, |
| 81 | { .val = -42, .hexstr = "d6" }, |
| 82 | { .val = 127, .hexstr = "7f" }, |
| 83 | { .val = -128, .hexstr = "80" }, |
| 84 | }, s16s[] = { |
| 85 | { .val = 128, .hexstr = "0080" }, |
| 86 | { .val = -129, .hexstr = "ff7f" }, |
| 87 | { .val = 15000, .hexstr = "3a98" }, |
| 88 | { .val = -15000, .hexstr = "c568" }, |
| 89 | { .val = 32767, .hexstr = "7fff" }, |
| 90 | { .val = -32768, .hexstr = "8000" }, |
| 91 | }, s32s[] = { |
| 92 | { .val = 32768, .hexstr = "00008000" }, |
| 93 | { .val = -32769, .hexstr = "ffff7fff" }, |
| 94 | { .val = 21000000, .hexstr = "01406f40" }, |
| 95 | { .val = -21000000, .hexstr = "febf90c0" }, |
| 96 | { .val = 2147483647, .hexstr = "7fffffff" }, |
| 97 | { .val = -2147483648, .hexstr = "80000000" }, |
| 98 | }, s64s[] = { |
| 99 | { .val = 2147483648, .hexstr = "0000000080000000" }, |
| 100 | { .val = -2147483649, .hexstr = "ffffffff7fffffff" }, |
| 101 | { .val = 500000000000, .hexstr = "000000746a528800" }, |
| 102 | { .val = -500000000000, .hexstr = "ffffff8b95ad7800" }, |
| 103 | { .val = 9223372036854775807, .hexstr = "7fffffffffffffff" }, |
| 104 | { .val = -9223372036854775808ULL, .hexstr = "8000000000000000" }, |
| 105 | }; |
| 106 | |
| 107 | COMPARE_VALS(s8, 1); |
| 108 | COMPARE_VALS(s16, 2); |
| 109 | COMPARE_VALS(s32, 4); |
| 110 | COMPARE_VALS(s64, 8); |
| 111 | |
| 112 | tal_free(ctx); |
| 113 | } |
| 114 | |
| 115 | int main(void) |
| 116 | { |