1 files changed, 170 insertions, 2 deletions

diff --git a/tests/filter/crlf.c b/tests/filter/crlf.c
index c9fb9cd7f..a31dac965 100644
--- a/tests/filter/crlf.c
+++ b/tests/filter/crlf.c
@@ -1,5 +1,6 @@
 #include "clar_libgit2.h"
 #include "git2/sys/filter.h"
+#include "buffer.h"
 
 static git_repository *g_repo = NULL;
 
@@ -24,7 +25,8 @@ void test_filter_crlf__to_worktree(void)
 	git_filter *crlf;
 	git_buf in = { 0 }, out = { 0 };
 
-	cl_git_pass(git_filter_list_new(&fl, g_repo, GIT_FILTER_TO_WORKTREE));
+	cl_git_pass(git_filter_list_new(
+		&fl, g_repo, GIT_FILTER_TO_WORKTREE, 0));
 
 	crlf = git_filter_lookup(GIT_FILTER_CRLF);
 	cl_assert(crlf != NULL);
@@ -52,7 +54,8 @@ void test_filter_crlf__to_odb(void)
 	git_filter *crlf;
 	git_buf in = { 0 }, out = { 0 };
 
-	cl_git_pass(git_filter_list_new(&fl, g_repo, GIT_FILTER_TO_ODB));
+	cl_git_pass(git_filter_list_new(
+		&fl, g_repo, GIT_FILTER_TO_ODB, 0));
 
 	crlf = git_filter_lookup(GIT_FILTER_CRLF);
 	cl_assert(crlf != NULL);
@@ -69,3 +72,168 @@ void test_filter_crlf__to_odb(void)
 	git_filter_list_free(fl);
 	git_buf_free(&out);
 }
+
+void test_filter_crlf__with_safecrlf(void)
+{
+	git_filter_list *fl;
+	git_filter *crlf;
+	git_buf in = {0}, out = GIT_BUF_INIT;
+
+	cl_repo_set_bool(g_repo, "core.safecrlf", true);
+
+	cl_git_pass(git_filter_list_new(
+		&fl, g_repo, GIT_FILTER_TO_ODB, 0));
+
+	crlf = git_filter_lookup(GIT_FILTER_CRLF);
+	cl_assert(crlf != NULL);
+
+	cl_git_pass(git_filter_list_push(fl, crlf, NULL));
+
+	/* Normalized \r\n succeeds with safecrlf */
+	in.ptr = "Normal\r\nCRLF\r\nline-endings.\r\n";
+	in.size = strlen(in.ptr);
+
+	cl_git_pass(git_filter_list_apply_to_data(&out, fl, &in));
+	cl_assert_equal_s("Normal\nCRLF\nline-endings.\n", out.ptr);
+
+	/* Mix of line endings fails with safecrlf */
+	in.ptr = "Mixed\nup\r\nLF\nand\r\nCRLF\nline-endings.\r\n";
+	in.size = strlen(in.ptr);
+
+	cl_git_fail(git_filter_list_apply_to_data(&out, fl, &in));
+	cl_assert_equal_i(giterr_last()->klass, GITERR_FILTER);
+
+	/* Normalized \n is reversible, so does not fail with safecrlf */
+	in.ptr = "Normal\nLF\nonly\nline-endings.\n";
+	in.size = strlen(in.ptr);
+
+	cl_git_pass(git_filter_list_apply_to_data(&out, fl, &in));
+	cl_assert_equal_s(in.ptr, out.ptr);
+
+	git_filter_list_free(fl);
+	git_buf_free(&out);
+}
+
+void test_filter_crlf__with_safecrlf_and_unsafe_allowed(void)
+{
+	git_filter_list *fl;
+	git_filter *crlf;
+	git_buf in = {0}, out = GIT_BUF_INIT;
+
+	cl_repo_set_bool(g_repo, "core.safecrlf", true);
+
+	cl_git_pass(git_filter_list_new(
+		&fl, g_repo, GIT_FILTER_TO_ODB, GIT_FILTER_OPT_ALLOW_UNSAFE));
+
+	crlf = git_filter_lookup(GIT_FILTER_CRLF);
+	cl_assert(crlf != NULL);
+
+	cl_git_pass(git_filter_list_push(fl, crlf, NULL));
+
+	/* Normalized \r\n succeeds with safecrlf */
+	in.ptr = "Normal\r\nCRLF\r\nline-endings.\r\n";
+	in.size = strlen(in.ptr);
+
+	cl_git_pass(git_filter_list_apply_to_data(&out, fl, &in));
+	cl_assert_equal_s("Normal\nCRLF\nline-endings.\n", out.ptr);
+
+	/* Mix of line endings fails with safecrlf, but allowed to pass */
+	in.ptr = "Mixed\nup\r\nLF\nand\r\nCRLF\nline-endings.\r\n";
+	in.size = strlen(in.ptr);
+
+	cl_git_pass(git_filter_list_apply_to_data(&out, fl, &in));
+	/* TODO: check for warning */
+	cl_assert_equal_s("Mixed\nup\nLF\nand\nCRLF\nline-endings.\n", out.ptr);
+
+	/* Normalized \n fails with safecrlf, but allowed to pass */
+	in.ptr = "Normal\nLF\nonly\nline-endings.\n";
+	in.size = strlen(in.ptr);
+
+	cl_git_pass(git_filter_list_apply_to_data(&out, fl, &in));
+	/* TODO: check for warning */
+	cl_assert_equal_s("Normal\nLF\nonly\nline-endings.\n", out.ptr);
+
+	git_filter_list_free(fl);
+	git_buf_free(&out);
+}
+
+void test_filter_crlf__no_safecrlf(void)
+{
+	git_filter_list *fl;
+	git_filter *crlf;
+	git_buf in = {0}, out = GIT_BUF_INIT;
+
+	cl_git_pass(git_filter_list_new(
+		&fl, g_repo, GIT_FILTER_TO_ODB, 0));
+
+	crlf = git_filter_lookup(GIT_FILTER_CRLF);
+	cl_assert(crlf != NULL);
+
+	cl_git_pass(git_filter_list_push(fl, crlf, NULL));
+
+	/* Normalized \r\n succeeds with safecrlf */
+	in.ptr = "Normal\r\nCRLF\r\nline-endings.\r\n";
+	in.size = strlen(in.ptr);
+
+	cl_git_pass(git_filter_list_apply_to_data(&out, fl, &in));
+	cl_assert_equal_s("Normal\nCRLF\nline-endings.\n", out.ptr);
+
+	/* Mix of line endings fails with safecrlf */
+	in.ptr = "Mixed\nup\r\nLF\nand\r\nCRLF\nline-endings.\r\n";
+	in.size = strlen(in.ptr);
+
+	cl_git_pass(git_filter_list_apply_to_data(&out, fl, &in));
+	cl_assert_equal_s("Mixed\nup\nLF\nand\nCRLF\nline-endings.\n", out.ptr);
+
+	/* Normalized \n fails with safecrlf */
+	in.ptr = "Normal\nLF\nonly\nline-endings.\n";
+	in.size = strlen(in.ptr);
+
+	cl_git_pass(git_filter_list_apply_to_data(&out, fl, &in));
+	cl_assert_equal_s("Normal\nLF\nonly\nline-endings.\n", out.ptr);
+
+	git_filter_list_free(fl);
+	git_buf_free(&out);
+}
+
+void test_filter_crlf__safecrlf_warn(void)
+{
+	git_filter_list *fl;
+	git_filter *crlf;
+	git_buf in = {0}, out = GIT_BUF_INIT;
+
+	cl_repo_set_string(g_repo, "core.safecrlf", "warn");
+
+	cl_git_pass(git_filter_list_new(
+		&fl, g_repo, GIT_FILTER_TO_ODB, 0));
+
+	crlf = git_filter_lookup(GIT_FILTER_CRLF);
+	cl_assert(crlf != NULL);
+
+	cl_git_pass(git_filter_list_push(fl, crlf, NULL));
+
+	/* Normalized \r\n succeeds with safecrlf=warn */
+	in.ptr = "Normal\r\nCRLF\r\nline-endings.\r\n";
+	in.size = strlen(in.ptr);
+
+	cl_git_pass(git_filter_list_apply_to_data(&out, fl, &in));
+	cl_assert_equal_s("Normal\nCRLF\nline-endings.\n", out.ptr);
+
+	/* Mix of line endings succeeds with safecrlf=warn */
+	in.ptr = "Mixed\nup\r\nLF\nand\r\nCRLF\nline-endings.\r\n";
+	in.size = strlen(in.ptr);
+
+	cl_git_pass(git_filter_list_apply_to_data(&out, fl, &in));
+	/* TODO: check for warning */
+	cl_assert_equal_s("Mixed\nup\nLF\nand\nCRLF\nline-endings.\n", out.ptr);
+
+	/* Normalized \n is reversible, so does not fail with safecrlf=warn */
+	in.ptr = "Normal\nLF\nonly\nline-endings.\n";
+	in.size = strlen(in.ptr);
+
+	cl_git_pass(git_filter_list_apply_to_data(&out, fl, &in));
+	cl_assert_equal_s(in.ptr, out.ptr);
+
+	git_filter_list_free(fl);
+	git_buf_free(&out);
+}