commit 9964c314c6c6af4b921875c973f28f8d01b2e9a2 Author: Nick Mathewson <nickm@torproject.org> Date: Wed May 11 16:25:51 2011 -0400 fwd-port test_util_di_ops into tinytest format --- src/test/test_util.c | 54 ++++++++++++++++++++++++++++++++++++++++++++++++++ 1 files changed, 54 insertions(+), 0 deletions(-) diff --git a/src/test/test_util.c b/src/test/test_util.c index b1fafc8..0da45df 100644 --- a/src/test/test_util.c +++ b/src/test/test_util.c @@ -1209,6 +1209,59 @@ test_util_load_win_lib(void *ptr) } #endif +static void +test_util_di_ops(void) +{ +#define LT -1 +#define GT 1 +#define EQ 0 + const struct { + const char *a; int want_sign; const char *b; + } examples[] = { + { "Foo", EQ, "Foo" }, + { "foo", GT, "bar", }, + { "foobar", EQ ,"foobar" }, + { "foobar", LT, "foobaw" }, + { "foobar", GT, "f00bar" }, + { "foobar", GT, "boobar" }, + { "", EQ, "" }, + { NULL, 0, NULL }, + }; + + int i; + + for (i = 0; examples[i].a; ++i) { + size_t len = strlen(examples[i].a); + int eq1, eq2, neq1, neq2, cmp1, cmp2; + test_eq(len, strlen(examples[i].b)); + /* We do all of the operations, with operands in both orders. */ + eq1 = tor_memeq(examples[i].a, examples[i].b, len); + eq2 = tor_memeq(examples[i].b, examples[i].a, len); + neq1 = tor_memneq(examples[i].a, examples[i].b, len); + neq2 = tor_memneq(examples[i].b, examples[i].a, len); + cmp1 = tor_memcmp(examples[i].a, examples[i].b, len); + cmp2 = tor_memcmp(examples[i].b, examples[i].a, len); + + /* Check for correctness of cmp1 */ + if (cmp1 < 0 && examples[i].want_sign != LT) + test_fail(); + else if (cmp1 > 0 && examples[i].want_sign != GT) + test_fail(); + else if (cmp1 == 0 && examples[i].want_sign != EQ) + test_fail(); + + /* Check for consistency of everything else with cmp1 */ + test_eq(eq1, eq2); + test_eq(neq1, neq2); + test_eq(cmp1, -cmp2); + test_eq(eq1, cmp1 == 0); + test_eq(neq1, !eq1); + } + + done: + ; +} + #define UTIL_LEGACY(name) \ { #name, legacy_test_helper, 0, &legacy_setup, test_util_ ## name } @@ -1229,6 +1282,7 @@ struct testcase_t util_tests[] = { UTIL_LEGACY(threads), UTIL_LEGACY(sscanf), UTIL_LEGACY(strtok), + UTIL_LEGACY(di_ops), UTIL_TEST(find_str_at_start_of_line, 0), UTIL_TEST(asprintf, 0), UTIL_TEST(listdir, 0),