diff options
| -rw-r--r-- | src/libsystemd-dhcp/test-dhcp-option.c | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/src/libsystemd-dhcp/test-dhcp-option.c b/src/libsystemd-dhcp/test-dhcp-option.c index df717af06d..e2a680064c 100644 --- a/src/libsystemd-dhcp/test-dhcp-option.c +++ b/src/libsystemd-dhcp/test-dhcp-option.c @@ -289,6 +289,76 @@ static void test_options(struct option_desc *desc) printf("DHCP type %s\n", dhcp_type(res)); } +static uint8_t result[64] = { + 'A', 'B', 'C', 'D', +}; + +static uint8_t options[64] = { + 'A', 'B', 'C', 'D', + 160, 2, 0x11, 0x12, + 0, + 31, 8, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x38, + 0, + 55, 3, 0x51, 0x52, 0x53, + 17, 7, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77, + 255 +}; + +static void test_option_set(void) +{ + size_t len, oldlen; + int pos, i; + uint8_t *opt; + + assert(dhcp_option_append(NULL, NULL, 0, 0, NULL) == -EINVAL); + + len = 0; + opt = &result[0]; + assert(dhcp_option_append(&opt, NULL, 0, 0, NULL) == -EINVAL); + assert(opt == &result[0] && len == 0); + + assert(dhcp_option_append(&opt, &len, DHCP_OPTION_PAD, + 0, NULL) == -ENOBUFS); + assert(opt == &result[0] && len == 0); + + opt = &result[4]; + len = 1; + assert(dhcp_option_append(&opt, &len, DHCP_OPTION_PAD, + 0, NULL) >= 0); + assert(opt == &result[5] && len == 0); + + pos = 4; + len = 60; + while (pos < 64 && options[pos] != DHCP_OPTION_END) { + opt = &result[pos]; + oldlen = len; + + assert(dhcp_option_append(&opt, &len, options[pos], + options[pos + 1], + &options[pos + 2]) >= 0); + + if (options[pos] == DHCP_OPTION_PAD) { + assert(opt == &result[pos + 1]); + assert(len == oldlen - 1); + pos++; + } else { + assert(opt == &result[pos + 2 + options[pos + 1]]); + assert(len == oldlen - 2 - options[pos + 1]); + pos += 2 + options[pos + 1]; + } + } + + for (i = 0; i < pos; i++) { + if (verbose) + printf("%2d: 0x%02x(0x%02x)\n", i, result[i], + options[i]); + assert(result[i] == options[i]); + } + + if (verbose) + printf ("\n"); +} + int main(int argc, char *argv[]) { unsigned int i; @@ -301,5 +371,7 @@ int main(int argc, char *argv[]) for (i = 0; i < ELEMENTSOF(option_tests); i++) test_options(&option_tests[i]); + test_option_set(); + return 0; } |