From d0253b2ea4f3d196d76d3dd7ce6725abd2edc26b Mon Sep 17 00:00:00 2001 From: Campbell Barton Date: Wed, 22 Mar 2017 19:31:34 +1100 Subject: BLI_path_util: add BLI_path_name_at_index Utility to get a file/dir in the path by index, supporting negative indices to start from the end of the path. Without this it wasn't straightforward to get the a files parent directory name from a filepath. --- tests/gtests/blenlib/BLI_path_util_test.cc | 133 +++++++++++++++++++++++++++++ 1 file changed, 133 insertions(+) (limited to 'tests/gtests') diff --git a/tests/gtests/blenlib/BLI_path_util_test.cc b/tests/gtests/blenlib/BLI_path_util_test.cc index d017ab18b4d..ccfa59503c2 100644 --- a/tests/gtests/blenlib/BLI_path_util_test.cc +++ b/tests/gtests/blenlib/BLI_path_util_test.cc @@ -113,6 +113,139 @@ TEST(path_util, PathUtilClean) } #endif + +#define AT_INDEX(str_input, index_input, str_expect) \ + { \ + char path[] = str_input; \ + const char *expect = str_expect; \ + int index_output, len_output; \ + const bool ret = BLI_path_name_at_index(path, index_input, &index_output, &len_output); \ + if (expect == NULL) { \ + EXPECT_EQ(ret, false); \ + } \ + else { \ + EXPECT_EQ(ret, true); \ + EXPECT_EQ(strlen(expect), len_output); \ + path[index_output + len_output] = '\0'; \ + EXPECT_STREQ(expect, &path[index_output]); \ + } \ + }((void)0) + +/* BLI_path_name_at_index */ +TEST(path_util, NameAtIndex_Single) +{ + AT_INDEX("/a", 0, "a"); + AT_INDEX("/a/", 0, "a"); + AT_INDEX("a/", 0, "a"); + AT_INDEX("//a//", 0, "a"); + AT_INDEX("a/b", 0, "a"); + + AT_INDEX("/a", 1, NULL); + AT_INDEX("/a/", 1, NULL); + AT_INDEX("a/", 1, NULL); + AT_INDEX("//a//", 1, NULL); +} +TEST(path_util, NameAtIndex_SingleNeg) +{ + AT_INDEX("/a", -1, "a"); + AT_INDEX("/a/", -1, "a"); + AT_INDEX("a/", -1, "a"); + AT_INDEX("//a//", -1, "a"); + AT_INDEX("a/b", -1, "b"); + + AT_INDEX("/a", -2, NULL); + AT_INDEX("/a/", -2, NULL); + AT_INDEX("a/", -2, NULL); + AT_INDEX("//a//", -2, NULL); +} + +TEST(path_util, NameAtIndex_Double) +{ + AT_INDEX("/ab", 0, "ab"); + AT_INDEX("/ab/", 0, "ab"); + AT_INDEX("ab/", 0, "ab"); + AT_INDEX("//ab//", 0, "ab"); + AT_INDEX("ab/c", 0, "ab"); + + AT_INDEX("/ab", 1, NULL); + AT_INDEX("/ab/", 1, NULL); + AT_INDEX("ab/", 1, NULL); + AT_INDEX("//ab//", 1, NULL); +} + +TEST(path_util, NameAtIndex_DoublNeg) +{ + AT_INDEX("/ab", -1, "ab"); + AT_INDEX("/ab/", -1, "ab"); + AT_INDEX("ab/", -1, "ab"); + AT_INDEX("//ab//", -1, "ab"); + AT_INDEX("ab/c", -1, "c"); + + AT_INDEX("/ab", -2, NULL); + AT_INDEX("/ab/", -2, NULL); + AT_INDEX("ab/", -2, NULL); + AT_INDEX("//ab//", -2, NULL); +} + +TEST(path_util, NameAtIndex_Misc) +{ + AT_INDEX("/how/now/brown/cow", 0, "how"); + AT_INDEX("/how/now/brown/cow", 1, "now"); + AT_INDEX("/how/now/brown/cow", 2, "brown"); + AT_INDEX("/how/now/brown/cow", 3, "cow"); + AT_INDEX("/how/now/brown/cow", 4, NULL); + AT_INDEX("/how/now/brown/cow/", 4, NULL); +} + +TEST(path_util, NameAtIndex_MiscNeg) +{ + AT_INDEX("/how/now/brown/cow", 0, "how"); + AT_INDEX("/how/now/brown/cow", 1, "now"); + AT_INDEX("/how/now/brown/cow", 2, "brown"); + AT_INDEX("/how/now/brown/cow", 3, "cow"); + AT_INDEX("/how/now/brown/cow", 4, NULL); + AT_INDEX("/how/now/brown/cow/", 4, NULL); +} + +TEST(path_util, NameAtIndex_MiscComplex) +{ + AT_INDEX("how//now/brown/cow", 0, "how"); + AT_INDEX("//how///now\\/brown/cow", 1, "now"); + AT_INDEX("/how/now\\//brown\\/cow", 2, "brown"); + AT_INDEX("/how/now/brown/cow//\\", 3, "cow"); + AT_INDEX("/how/now/brown/\\cow", 4, NULL); + AT_INDEX("how/now/brown/\\cow\\", 4, NULL); +} + +TEST(path_util, NameAtIndex_MiscComplexNeg) +{ + AT_INDEX("how//now/brown/cow", -4, "how"); + AT_INDEX("//how///now\\/brown/cow", -3, "now"); + AT_INDEX("/how/now\\//brown\\/cow", -2, "brown"); + AT_INDEX("/how/now/brown/cow//\\", -1, "cow"); + AT_INDEX("/how/now/brown/\\cow", -5, NULL); + AT_INDEX("how/now/brown/\\cow\\", -5, NULL); +} + +TEST(path_util, NameAtIndex_NoneComplex) +{ + AT_INDEX("", 0, NULL); + AT_INDEX("/", 0, NULL); + AT_INDEX("//", 0, NULL); + AT_INDEX("///", 0, NULL); +} + +TEST(path_util, NameAtIndex_NoneComplexNeg) +{ + AT_INDEX("", -1, NULL); + AT_INDEX("/", -1, NULL); + AT_INDEX("//", -1, NULL); + AT_INDEX("///", -1, NULL); +} + +#undef AT_INDEX + + /* BLI_path_frame */ TEST(path_util, PathUtilFrame) { -- cgit v1.2.3