thodg/libgit2

diff --git a/tests-clar/status/status_data.h b/tests-clar/status/status_data.h
index 1a68648..3957768 100644
--- a/tests-clar/status/status_data.h
+++ b/tests-clar/status/status_data.h
@@ -8,6 +8,8 @@ struct status_entry_counts {
 	int expected_entry_count;
 };
 
+/* entries for a plain copy of tests/resources/status */
+
 static const char *entry_paths0[] = {
 	"file_deleted",
 	"ignored_file",
@@ -48,3 +50,96 @@ static const unsigned int entry_statuses0[] = {
 
 static const size_t entry_count0 = 15;
 
+/* entries for a copy of tests/resources/status with all content
+ * deleted from the working directory
+ */
+
+static const char *entry_paths2[] = {
+	"current_file",
+	"file_deleted",
+	"modified_file",
+	"staged_changes",
+	"staged_changes_file_deleted",
+	"staged_changes_modified_file",
+	"staged_delete_file_deleted",
+	"staged_delete_modified_file",
+	"staged_new_file",
+	"staged_new_file_deleted_file",
+	"staged_new_file_modified_file",
+	"subdir.txt",
+	"subdir/current_file",
+	"subdir/deleted_file",
+	"subdir/modified_file",
+};
+
+static const unsigned int entry_statuses2[] = {
+	GIT_STATUS_WT_DELETED,
+	GIT_STATUS_WT_DELETED,
+	GIT_STATUS_WT_DELETED,
+	GIT_STATUS_WT_DELETED | GIT_STATUS_INDEX_MODIFIED,
+	GIT_STATUS_WT_DELETED | GIT_STATUS_INDEX_MODIFIED,
+	GIT_STATUS_WT_DELETED | GIT_STATUS_INDEX_MODIFIED,
+	GIT_STATUS_INDEX_DELETED,
+	GIT_STATUS_INDEX_DELETED,
+	GIT_STATUS_WT_DELETED | GIT_STATUS_INDEX_NEW,
+	GIT_STATUS_WT_DELETED | GIT_STATUS_INDEX_NEW,
+	GIT_STATUS_WT_DELETED | GIT_STATUS_INDEX_NEW,
+	GIT_STATUS_WT_DELETED,
+	GIT_STATUS_WT_DELETED,
+	GIT_STATUS_WT_DELETED,
+	GIT_STATUS_WT_DELETED,
+};
+
+static const size_t entry_count2 = 15;
+
+/* entries for a copy of tests/resources/status with some mods */
+
+static const char *entry_paths3[] = {
+	".HEADER",
+	"42-is-not-prime.sigh",
+	"README.md",
+	"current_file",
+	"current_file/",
+	"file_deleted",
+	"ignored_file",
+	"modified_file",
+	"new_file",
+	"staged_changes",
+	"staged_changes_file_deleted",
+	"staged_changes_modified_file",
+	"staged_delete_file_deleted",
+	"staged_delete_modified_file",
+	"staged_new_file",
+	"staged_new_file_deleted_file",
+	"staged_new_file_modified_file",
+	"subdir",
+	"subdir/current_file",
+	"subdir/deleted_file",
+	"subdir/modified_file",
+};
+
+static const unsigned int entry_statuses3[] = {
+	GIT_STATUS_WT_NEW,
+	GIT_STATUS_WT_NEW,
+	GIT_STATUS_WT_NEW,
+	GIT_STATUS_WT_DELETED,
+	GIT_STATUS_WT_NEW,
+	GIT_STATUS_WT_DELETED,
+	GIT_STATUS_IGNORED,
+	GIT_STATUS_WT_MODIFIED,
+	GIT_STATUS_WT_NEW,
+	GIT_STATUS_INDEX_MODIFIED,
+	GIT_STATUS_WT_DELETED | GIT_STATUS_INDEX_MODIFIED,
+	GIT_STATUS_WT_MODIFIED | GIT_STATUS_INDEX_MODIFIED,
+	GIT_STATUS_INDEX_DELETED,
+	GIT_STATUS_WT_NEW | GIT_STATUS_INDEX_DELETED,
+	GIT_STATUS_INDEX_NEW,
+	GIT_STATUS_WT_DELETED | GIT_STATUS_INDEX_NEW,
+	GIT_STATUS_WT_MODIFIED | GIT_STATUS_INDEX_NEW,
+	GIT_STATUS_WT_NEW,
+	GIT_STATUS_WT_DELETED,
+	GIT_STATUS_WT_DELETED,
+	GIT_STATUS_WT_DELETED,
+};
+
+static const size_t entry_count3 = 21;
diff --git a/tests-clar/status/submodules.c b/tests-clar/status/submodules.c
new file mode 100644
index 0000000..ca6c2ef
--- /dev/null
+++ b/tests-clar/status/submodules.c
@@ -0,0 +1,104 @@
+#include "clar_libgit2.h"
+#include "buffer.h"
+#include "path.h"
+#include "posix.h"
+
+static git_repository *g_repo = NULL;
+
+void test_status_submodules__initialize(void)
+{
+	git_buf modpath = GIT_BUF_INIT;
+
+	g_repo = cl_git_sandbox_init("submodules");
+
+	cl_fixture_sandbox("testrepo.git");
+
+	cl_git_pass(git_buf_sets(&modpath, git_repository_workdir(g_repo)));
+	cl_assert(git_path_dirname_r(&modpath, modpath.ptr) >= 0);
+	cl_git_pass(git_buf_joinpath(&modpath, modpath.ptr, "testrepo.git\n"));
+
+	p_rename("submodules/gitmodules", "submodules/.gitmodules");
+	cl_git_append2file("submodules/.gitmodules", modpath.ptr);
+
+	p_rename("submodules/testrepo/.gitted", "submodules/testrepo/.git");
+}
+
+void test_status_submodules__cleanup(void)
+{
+	cl_git_sandbox_cleanup();
+}
+
+static int
+cb_status__count(const char *p, unsigned int s, void *payload)
+{
+	volatile int *count = (int *)payload;
+
+	GIT_UNUSED(p);
+	GIT_UNUSED(s);
+
+	(*count)++;
+
+	return 0;
+}
+
+void test_status_submodules__0(void)
+{
+	int counts = 0;
+
+	cl_assert(git_path_isdir("submodules/.git"));
+	cl_assert(git_path_isdir("submodules/testrepo/.git"));
+	cl_assert(git_path_isfile("submodules/.gitmodules"));
+
+	cl_git_pass(
+		git_status_foreach(g_repo, cb_status__count, &counts)
+	);
+
+	cl_assert(counts == 7);
+}
+
+static const char *expected_files[] = {
+	".gitmodules",
+	"added",
+	"deleted",
+	"ignored",
+	"modified",
+	"testrepo",
+	"untracked"
+};
+
+static unsigned int expected_status[] = {
+	GIT_STATUS_INDEX_NEW | GIT_STATUS_WT_MODIFIED,
+	GIT_STATUS_INDEX_NEW,
+	GIT_STATUS_INDEX_DELETED,
+	GIT_STATUS_IGNORED,
+	GIT_STATUS_WT_MODIFIED,
+	GIT_STATUS_INDEX_NEW, /* submodule added in index, but not committed */
+	GIT_STATUS_WT_NEW
+};
+
+static int
+cb_status__match(const char *p, unsigned int s, void *payload)
+{
+	volatile int *index = (int *)payload;
+
+	cl_assert_strequal(expected_files[*index], p);
+	cl_assert(expected_status[*index] == s);
+	(*index)++;
+
+	return 0;
+}
+
+void test_status_submodules__1(void)
+{
+	int index = 0;
+
+	cl_assert(git_path_isdir("submodules/.git"));
+	cl_assert(git_path_isdir("submodules/testrepo/.git"));
+	cl_assert(git_path_isfile("submodules/.gitmodules"));
+
+	cl_git_pass(
+		git_status_foreach(g_repo, cb_status__match, &index)
+	);
+
+	cl_assert(index == 7);
+}
diff --git a/tests-clar/status/worktree.c b/tests-clar/status/worktree.c
index 98bb2b8..9ddb7d1 100644
--- a/tests-clar/status/worktree.c
+++ b/tests-clar/status/worktree.c
@@ -3,6 +3,8 @@
 #include "ignore.h"
 #include "status_data.h"
 #include "posix.h"
+#include "util.h"
+#include "path.h"
 
 /**
  * Auxiliary methods
@@ -67,6 +69,7 @@ void test_status_worktree__cleanup(void)
 /**
  * Tests - Status determination on a working tree
  */
+/* this test is equivalent to t18-status.c:statuscb0 */
 void test_status_worktree__whole_repository(void)
 {
 	struct status_entry_counts counts;
@@ -86,6 +89,7 @@ void test_status_worktree__whole_repository(void)
 	cl_assert(counts.wrong_sorted_path == 0);
 }
 
+/* this test is equivalent to t18-status.c:statuscb1 */
 void test_status_worktree__empty_repository(void)
 {
 	int count = 0;
@@ -96,6 +100,81 @@ void test_status_worktree__empty_repository(void)
 	cl_assert(count == 0);
 }
 
+static int remove_file_cb(void *data, git_buf *file)
+{
+	const char *filename = git_buf_cstr(file);
+
+	GIT_UNUSED(data);
+
+	if (git__suffixcmp(filename, ".git") == 0)
+		return 0;
+
+	if (git_path_isdir(filename))
+		cl_git_pass(git_futils_rmdir_r(filename, 1));
+	else
+		cl_git_pass(p_unlink(git_buf_cstr(file)));
+
+	return 0;
+}
+
+/* this test is equivalent to t18-status.c:statuscb2 */
+void test_status_worktree__purged_worktree(void)
+{
+	struct status_entry_counts counts;
+	git_repository *repo = cl_git_sandbox_init("status");
+	git_buf workdir = GIT_BUF_INIT;
+
+	/* first purge the contents of the worktree */
+	cl_git_pass(git_buf_sets(&workdir, git_repository_workdir(repo)));
+	cl_git_pass(git_path_direach(&workdir, remove_file_cb, NULL));
+
+	/* now get status */
+	memset(&counts, 0x0, sizeof(struct status_entry_counts));
+	counts.expected_entry_count = entry_count2;
+	counts.expected_paths = entry_paths2;
+	counts.expected_statuses = entry_statuses2;
+
+	cl_git_pass(
+		git_status_foreach(repo, cb_status__normal, &counts)
+	);
+
+	cl_assert(counts.entry_count == counts.expected_entry_count);
+	cl_assert(counts.wrong_status_flags_count == 0);
+	cl_assert(counts.wrong_sorted_path == 0);
+}
+
+/* this test is equivalent to t18-status.c:statuscb3 */
+void test_status_worktree__swap_subdir_and_file(void)
+{
+	struct status_entry_counts counts;
+	git_repository *repo = cl_git_sandbox_init("status");
+
+	/* first alter the contents of the worktree */
+	cl_git_pass(p_rename("status/current_file", "status/swap"));
+	cl_git_pass(p_rename("status/subdir", "status/current_file"));
+	cl_git_pass(p_rename("status/swap", "status/subdir"));
+
+	cl_git_mkfile("status/.HEADER", "dummy");
+	cl_git_mkfile("status/42-is-not-prime.sigh", "dummy");
+	cl_git_mkfile("status/README.md", "dummy");
+
+	/* now get status */
+	memset(&counts, 0x0, sizeof(struct status_entry_counts));
+	counts.expected_entry_count = entry_count3;
+	counts.expected_paths = entry_paths3;
+	counts.expected_statuses = entry_statuses3;
+
+	cl_git_pass(
+		git_status_foreach(repo, cb_status__normal, &counts)
+	);
+
+	cl_assert(counts.entry_count == counts.expected_entry_count);
+	cl_assert(counts.wrong_status_flags_count == 0);
+	cl_assert(counts.wrong_sorted_path == 0);
+
+}
+
+/* this test is equivalent to t18-status.c:singlestatus0 */
 void test_status_worktree__single_file(void)
 {
 	int i;
@@ -110,6 +189,19 @@ void test_status_worktree__single_file(void)
 	}
 }
 
+/* this test is equivalent to t18-status.c:singlestatus1 */
+void test_status_worktree__single_nonexistent_file(void)
+{
+	int error;
+	unsigned int status_flags;
+	git_repository *repo = cl_git_sandbox_init("status");
+
+	error = git_status_file(&status_flags, repo, "nonexistent");
+	cl_git_fail(error);
+	cl_assert(error == GIT_ENOTFOUND);
+}
+
+
 void test_status_worktree__ignores(void)
 {
 	int i, ignored;
diff --git a/tests/t18-status.c b/tests/t18-status.c
index bfd6906..8abff98 100644
--- a/tests/t18-status.c
+++ b/tests/t18-status.c
@@ -261,9 +261,7 @@ static const char *entry_paths3[] = {
 	"42-is-not-prime.sigh",
 	"README.md",
 	"current_file",
-	"current_file/current_file",
-	"current_file/modified_file",
-	"current_file/new_file",
+	"current_file/",
 	"file_deleted",
 	"ignored_file",
 	"modified_file",
@@ -288,8 +286,6 @@ static const unsigned int entry_statuses3[] = {
 	GIT_STATUS_WT_NEW,
 	GIT_STATUS_WT_DELETED,
 	GIT_STATUS_WT_NEW,
-	GIT_STATUS_WT_NEW,
-	GIT_STATUS_WT_NEW,
 	GIT_STATUS_WT_DELETED,
 	GIT_STATUS_IGNORED,
 	GIT_STATUS_WT_MODIFIED,
@@ -308,7 +304,7 @@ static const unsigned int entry_statuses3[] = {
 	GIT_STATUS_WT_DELETED,
 };
 
-#define ENTRY_COUNT3 23
+#define ENTRY_COUNT3 21
 
 BEGIN_TEST(statuscb3, "test retrieving status for a worktree where a file and a subdir have been renamed and some files have been added")
 	git_repository *repo;