commit 500ebdb2f3a7eb357f755d6cae28ff2bc750efec Author: Andrea Shepard andrea@torproject.org Date: Tue Oct 23 14:28:19 2012 -0700

Add some unit tests for smartlist_bsearch_idx() on short lists --- src/test/test_containers.c | 36 ++++++++++++++++++++++++++++++++++++ 1 files changed, 36 insertions(+), 0 deletions(-)

diff --git a/src/test/test_containers.c b/src/test/test_containers.c index 10146c5..399ef8e 100644 --- a/src/test/test_containers.c +++ b/src/test/test_containers.c @@ -16,6 +16,15 @@ compare_strs_(const void **a, const void **b) return strcmp(s1, s2); }

+/** Helper: return a tristate based on comparing the strings in <b>a</b> and + * *<b>b</b>. */ +static int +compare_strs_for_bsearch_(const void *a, const void **b) +{ + const char *s1 = a, *s2 = *b; + return strcmp(s1, s2); +} + /** Helper: return a tristate based on comparing the strings in *<b>a</b> and * *<b>b</b>, excluding a's first character, and ignoring case. */ static int @@ -204,6 +213,8 @@ test_container_smartlist_strings(void) /* Test bsearch_idx */ { int f; + smartlist_t *tmp = NULL; + test_eq(0, smartlist_bsearch_idx(sl," aaa",compare_without_first_ch_,&f)); test_eq(f, 0); test_eq(0, smartlist_bsearch_idx(sl," and",compare_without_first_ch_,&f)); @@ -216,6 +227,31 @@ test_container_smartlist_strings(void) test_eq(f, 0); test_eq(7, smartlist_bsearch_idx(sl," zzzz",compare_without_first_ch_,&f)); test_eq(f, 0); + + /* Test trivial cases for list of length 0 or 1 */ + tmp = smartlist_new(); + test_eq(0, smartlist_bsearch_idx(tmp, "foo", + compare_strs_for_bsearch_, &f)); + test_eq(f, 0); + smartlist_insert(tmp, 0, (void *)("bar")); + test_eq(1, smartlist_bsearch_idx(tmp, "foo", + compare_strs_for_bsearch_, &f)); + test_eq(f, 0); + test_eq(0, smartlist_bsearch_idx(tmp, "aaa", + compare_strs_for_bsearch_, &f)); + test_eq(f, 0); + test_eq(0, smartlist_bsearch_idx(tmp, "bar", + compare_strs_for_bsearch_, &f)); + test_eq(f, 1); + /* ... and one for length 2 */ + smartlist_insert(tmp, 1, (void *)("foo")); + test_eq(1, smartlist_bsearch_idx(tmp, "foo", + compare_strs_for_bsearch_, &f)); + test_eq(f, 1); + test_eq(2, smartlist_bsearch_idx(tmp, "goo", + compare_strs_for_bsearch_, &f)); + test_eq(f, 0); + smartlist_free(tmp); }

/* Test reverse() and pop_last() */