tests: Add dirent tests

Based on test code removed in commit
ceb7c5fd1ee2705b09aac143931a925a6f23d7eb.

4 files changed, 78 insertions, 1 deletions

diff --git a/tests/.gitignore b/tests/.gitignore
index 1a78c9e..2154dc1 100644
--- a/tests/.gitignore
+++ b/tests/.gitignore
@@ -1,6 +1,7 @@
 *.log
 *.trs
 mode
+dirent
 pkg.opk
 pkg/data/dev/null
 pkg/specials
diff --git a/tests/dirent.c b/tests/dirent.c
new file mode 100644
index 0000000..6446806
--- /dev/null
+++ b/tests/dirent.c
@@ -0,0 +1,63 @@
+/*
+ * Copyright (C) 2023  Patrick McDermott
+ *
+ * This file is part of opkg-opk.
+ *
+ * opkg-opk is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * opkg-opk is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with opkg-opk.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include "defs.h"
+#include "dirent.h"
+
+int
+main()
+{
+	struct opkg_opk_dirent foo = {
+		.name   = "foo",
+		.parent = NULL,
+	};
+	struct opkg_opk_dirent bar = {
+		.name   = "bar",
+		.parent = &foo,
+	};
+	struct opkg_opk_dirent baz = {
+		.name   = "baz",
+		.parent = &bar,
+	};
+	char  name[8];
+	char  pref[4];
+
+	puts("1..2");
+
+	if (opkg_opk_dirent_name_prefix(&baz, 0, name, sizeof(name),
+				pref, sizeof(pref)) != OPKG_OPK_OK ||
+			strcmp(pref, "foo") != 0 ||
+			strcmp(name, "bar/baz") != 0) {
+		fputs("not ", stdout);
+	}
+	printf("ok 1 - \"%s\" + \"%s\"\n", pref, name);
+
+	if (opkg_opk_dirent_name_prefix(&baz, 1, name, sizeof(name),
+				pref, sizeof(pref)) != OPKG_OPK_OK ||
+			strcmp(pref, "foo") != 0 ||
+			strcmp(name, "bar/baz/") != 0) {
+		fputs("not ", stdout);
+	}
+	printf("ok 2 - \"%s\" + \"%s\"\n", pref, name);
+
+	return EXIT_SUCCESS;
+}
diff --git a/tests/dirent.sh b/tests/dirent.sh
new file mode 100755
index 0000000..4d87288
--- /dev/null
+++ b/tests/dirent.sh
@@ -0,0 +1,3 @@
+# Automake can't seem to figure out how to use <build-aux/tap-driver.sh> to run
+# compiled tests, so this ugly hack is needed.
+exec "${0%.sh}${EXEEXT}"
diff --git a/tests/local.mk b/tests/local.mk
index 0045124..eb04ae6 100644
--- a/tests/local.mk
+++ b/tests/local.mk
@@ -1,5 +1,6 @@
 check_PROGRAMS = \
-	%reldir%/mode
+	%reldir%/mode \
+	%reldir%/dirent
 tests_mode_SOURCES = \
 	common/defs.h \
 	common/mode.c \
@@ -7,9 +8,18 @@ tests_mode_SOURCES = \
 	%reldir%/mode.c
 tests_mode_CPPFLAGS = \
 	-I"$(top_srcdir)/common"
+tests_dirent_SOURCES = \
+	common/defs.h \
+	opkg-opk/dirent.c \
+	opkg-opk/dirent.h \
+	%reldir%/dirent.c
+tests_dirent_CPPFLAGS = \
+	-I"$(top_srcdir)/common" \
+	-I"$(top_srcdir)/opkg-opk"
 TESTS = \
 	%reldir%/version.sh \
 	%reldir%/mode.sh \
+	%reldir%/dirent.sh \
 	%reldir%/build.sh
 TEST_EXTENSIONS = .sh
 SH_LOG_DRIVER = \