Initial commit

node_modules/nodegit/vendor/libgit2/tests/win32/longpath.c

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+#include "clar_libgit2.h"
+
+#include "git2/clone.h"
+#include "clone.h"
+#include "buffer.h"
+#include "futils.h"
+
+#ifdef GIT_WIN32
+void ensure_path_exists(git_buf *path)
+{
+	git_win32_path wpath;
+	git_win32_path current_dir;
+	wchar_t *end;
+	ZeroMemory(current_dir, sizeof(current_dir));
+
+	git_win32_path_from_utf8(wpath, path->ptr);
+	end = wcschr(wpath, L':');
+	end = wcschr(++end, L'\\');
+	end = wcschr(++end, L'\\');
+
+	while (end != NULL) {
+		wcsncpy(current_dir, wpath, end - wpath + 1);
+		if (!CreateDirectoryW(current_dir, NULL)) {
+			cl_assert(GetLastError() == ERROR_ALREADY_EXISTS);
+		}
+		end = wcschr(++end, L'\\');
+	}
+}
+
+void generate_long_path(git_buf *path, size_t len)
+{
+	const char *base = clar_sandbox_path();
+	size_t base_len = strlen(base);
+	size_t remain = len - base_len;
+	size_t i;
+
+	git_buf_clear(path);
+	git_buf_puts(path, base);
+	git_buf_putc(path, '/');
+
+	cl_assert(remain < (len - 5));
+
+	for (i = 0; i < (remain - 5); i++) {
+		/* add a slash every 240 characters, but not as first or last character */
+		if (i % 239 == 0 && i != remain - 6 && i != 0) {
+			git_buf_putc(path, '/');
+		} else {
+			git_buf_putc(path, 'a');
+		}
+	}
+	ensure_path_exists(path);
+}
+
+void assert_name_too_long(void)
+{
+	const git_error *err;
+	size_t expected_len, actual_len;
+	char *expected_msg;
+
+	err = git_error_last();
+	actual_len = strlen(err->message);
+
+	expected_msg = git_win32_get_error_message(ERROR_FILENAME_EXCED_RANGE);
+	expected_len = strlen(expected_msg);
+
+	/* check the suffix */
+	cl_assert_equal_s(expected_msg, err->message + (actual_len - expected_len));
+
+	git__free(expected_msg);
+}
+#endif
+
+void test_win32_longpath__errmsg_on_checkout(void)
+{
+#ifdef GIT_WIN32
+	git_repository *repo;
+	git_buf path = GIT_BUF_INIT;
+
+	cl_git_pass(git_libgit2_opts(GIT_OPT_SET_WINDOWS_LONGPATHS, 0));
+	generate_long_path(&path, WIN_GIT_SHORT_PATH_MAX);
+	cl_git_fail(git_clone(&repo, cl_fixture("testrepo.git"), path.ptr, NULL));
+	assert_name_too_long();
+
+	cl_git_pass(git_libgit2_opts(GIT_OPT_SET_WINDOWS_LONGPATHS, 1));
+	generate_long_path(&path, WIN_GIT_PATH_MAX);
+	cl_git_fail(git_clone(&repo, cl_fixture("testrepo.git"), path.ptr, NULL));
+	assert_name_too_long();
+
+	git_buf_dispose(&path);
+#endif
+}
+
+void test_win32_longpath__longest_path(void)
+{
+#ifdef GIT_WIN32
+	git_repository *repo;
+	git_buf path = GIT_BUF_INIT;
+
+	cl_git_pass(git_libgit2_opts(GIT_OPT_SET_WINDOWS_LONGPATHS, 1));
+	/* account for length of pack file path */
+	generate_long_path(&path, WIN_GIT_PATH_MAX - 66);
+	cl_git_pass(git_clone(&repo, cl_fixture("testrepo.git"), path.ptr, NULL));
+
+	git_buf_dispose(&path);
+	git_repository_free(repo);
+#endif
+}
+
+void test_win32_longpath__opt(void)
+{
+#ifdef GIT_WIN32
+	int longpaths;
+
+	cl_git_pass(git_libgit2_opts(GIT_OPT_SET_WINDOWS_LONGPATHS, 1));
+	cl_git_pass(git_libgit2_opts(GIT_OPT_GET_WINDOWS_LONGPATHS, &longpaths));
+	cl_assert(longpaths == 1);
+
+	cl_git_pass(git_libgit2_opts(GIT_OPT_SET_WINDOWS_LONGPATHS, 0));
+	cl_git_pass(git_libgit2_opts(GIT_OPT_GET_WINDOWS_LONGPATHS, &longpaths));
+	cl_assert(longpaths == 0);
+#endif
+}