1 files changed, 143 insertions, 0 deletions
diff --git a/tests/object/blob/filter.c b/tests/object/blob/filter.c
new file mode 100644
index 000000000..0b2d6bf9e
--- /dev/null
+++ b/tests/object/blob/filter.c
@@ -0,0 +1,143 @@
+#include "clar_libgit2.h"
+#include "posix.h"
+#include "blob.h"
+#include "buf_text.h"
+
+static git_repository *g_repo = NULL;
+
+#define CRLF_NUM_TEST_OBJECTS	9
+
+static const char *g_crlf_raw[CRLF_NUM_TEST_OBJECTS] = {
+	"",
+	"foo\nbar\n",
+	"foo\rbar\r",
+	"foo\r\nbar\r\n",
+	"foo\nbar\rboth\r\nreversed\n\ragain\nproblems\r",
+	"123\n\000\001\002\003\004abc\255\254\253\r\n",
+	"\xEF\xBB\xBFThis is UTF-8\n",
+	"\xEF\xBB\xBF\xE3\x81\xBB\xE3\x81\x92\xE3\x81\xBB\xE3\x81\x92\r\n\xE3\x81\xBB\xE3\x81\x92\xE3\x81\xBB\xE3\x81\x92\r\n",
+	"\xFE\xFF\x00T\x00h\x00i\x00s\x00!"
+};
+
+static git_off_t g_crlf_raw_len[CRLF_NUM_TEST_OBJECTS] = {
+	-1, -1, -1, -1, -1, 17, -1, -1, 12
+};
+
+static git_oid g_crlf_oids[CRLF_NUM_TEST_OBJECTS];
+
+static git_buf g_crlf_filtered[CRLF_NUM_TEST_OBJECTS] = {
+	{ "", 0, 0 },
+	{ "foo\nbar\n", 0, 8 },
+	{ "foo\rbar\r", 0, 8 },
+	{ "foo\nbar\n", 0, 8 },
+	{ "foo\nbar\rboth\nreversed\n\ragain\nproblems\r", 0, 38 },
+	{ "123\n\000\001\002\003\004abc\255\254\253\n", 0, 16 },
+	{ "\xEF\xBB\xBFThis is UTF-8\n", 0, 17 },
+	{ "\xEF\xBB\xBF\xE3\x81\xBB\xE3\x81\x92\xE3\x81\xBB\xE3\x81\x92\n\xE3\x81\xBB\xE3\x81\x92\xE3\x81\xBB\xE3\x81\x92\n", 0, 29 },
+	{ "\xFE\xFF\x00T\x00h\x00i\x00s\x00!", 0, 12 }
+};
+
+static git_buf_text_stats g_crlf_filtered_stats[CRLF_NUM_TEST_OBJECTS] = {
+	{ 0, 0, 0, 0, 0, 0, 0 },
+	{ 0, 0, 0, 2, 0, 6, 0 },
+	{ 0, 0, 2, 0, 0, 6, 0 },
+	{ 0, 0, 2, 2, 2, 6, 0 },
+	{ 0, 0, 4, 4, 1, 31, 0 },
+	{ 0, 1, 1, 2, 1, 9, 5 },
+	{ GIT_BOM_UTF8, 0, 0, 1, 0, 16, 0 },
+	{ GIT_BOM_UTF8, 0, 2, 2, 2, 27, 0 },
+	{ GIT_BOM_UTF16_BE, 5, 0, 0, 0, 7, 5 },
+};
+
+void test_object_blob_filter__initialize(void)
+{
+	int i;
+
+	g_repo = cl_git_sandbox_init("empty_standard_repo");
+
+	for (i = 0; i < CRLF_NUM_TEST_OBJECTS; i++) {
+		if (g_crlf_raw_len[i] < 0)
+			g_crlf_raw_len[i] = strlen(g_crlf_raw[i]);
+
+		cl_git_pass(git_blob_create_frombuffer(
+			&g_crlf_oids[i], g_repo, g_crlf_raw[i], (size_t)g_crlf_raw_len[i]));
+	}
+}
+
+void test_object_blob_filter__cleanup(void)
+{
+	cl_git_sandbox_cleanup();
+}
+
+void test_object_blob_filter__unfiltered(void)
+{
+	int i;
+	git_blob *blob;
+
+	for (i = 0; i < CRLF_NUM_TEST_OBJECTS; i++) {
+		size_t raw_len = (size_t)g_crlf_raw_len[i];
+
+		cl_git_pass(git_blob_lookup(&blob, g_repo, &g_crlf_oids[i]));
+
+		cl_assert_equal_sz(raw_len, (size_t)git_blob_rawsize(blob));
+		cl_assert_equal_i(
+			0, memcmp(g_crlf_raw[i], git_blob_rawcontent(blob), raw_len));
+
+		git_blob_free(blob);
+	}
+}
+
+void test_object_blob_filter__stats(void)
+{
+	int i;
+	git_blob *blob;
+	git_buf buf = GIT_BUF_INIT;
+	git_buf_text_stats stats;
+
+	for (i = 0; i < CRLF_NUM_TEST_OBJECTS; i++) {
+		cl_git_pass(git_blob_lookup(&blob, g_repo, &g_crlf_oids[i]));
+		cl_git_pass(git_blob__getbuf(&buf, blob));
+		git_buf_text_gather_stats(&stats, &buf, false);
+		cl_assert_equal_i(
+			0, memcmp(&g_crlf_filtered_stats[i], &stats, sizeof(stats)));
+		git_blob_free(blob);
+	}
+
+	git_buf_free(&buf);
+}
+
+void test_object_blob_filter__to_odb(void)
+{
+	git_filter_list *fl = NULL;
+	git_config *cfg;
+	int i;
+	git_blob *blob;
+	git_buf out = GIT_BUF_INIT;
+
+	cl_git_pass(git_repository_config(&cfg, g_repo));
+	cl_assert(cfg);
+
+	git_attr_cache_flush(g_repo);
+	cl_git_append2file("empty_standard_repo/.gitattributes", "*.txt text\n");
+
+	cl_git_pass(git_filter_list_load(
+		&fl, g_repo, NULL, "filename.txt", GIT_FILTER_TO_ODB));
+	cl_assert(fl != NULL);
+
+	for (i = 0; i < CRLF_NUM_TEST_OBJECTS; i++) {
+		cl_git_pass(git_blob_lookup(&blob, g_repo, &g_crlf_oids[i]));
+
+		cl_git_pass(git_filter_list_apply_to_blob(&out, fl, blob));
+
+		cl_assert_equal_sz(g_crlf_filtered[i].size, out.size);
+
+		cl_assert_equal_i(
+			0, memcmp(out.ptr, g_crlf_filtered[i].ptr, out.size));
+
+		git_blob_free(blob);
+	}
+
+	git_filter_list_free(fl);
+	git_buf_free(&out);
+	git_config_free(cfg);
+}