3 files changed, 37 insertions, 0 deletions
diff --git a/src/kernel/tests/main.c b/src/kernel/tests/main.c
index 8e5842b..db4363f 100644
--- a/src/kernel/tests/main.c
+++ b/src/kernel/tests/main.c
@@ -8,6 +8,7 @@ void tests_all() {
 	_did_tests_fail = false;
 
 	tests_utils();
+	tests_vfs();
 
 	if (_did_tests_fail)
 		panic();
diff --git a/src/kernel/tests/tests.h b/src/kernel/tests/tests.h
index 78397da..5b9697c 100644
--- a/src/kernel/tests/tests.h
+++ b/src/kernel/tests/tests.h
@@ -3,3 +3,4 @@
 void tests_all();
 
 void tests_utils();
+void tests_vfs();
diff --git a/src/kernel/tests/vfs.c b/src/kernel/tests/vfs.c
new file mode 100644
index 0000000..a5a6848
--- /dev/null
+++ b/src/kernel/tests/vfs.c
@@ -0,0 +1,35 @@
+#include <kernel/tests/base.h>
+#include <kernel/util.h>
+#include <kernel/vfs/path.h>
+
+TEST(path_simplify) {
+	char buf[256];
+
+	// some easy valid cases
+	TEST_COND( path_simplify("/asdf", buf, 5));
+	TEST_COND( path_simplify("/asd/", buf, 5));
+	TEST_COND( path_simplify("/a/./", buf, 5));
+	TEST_COND( path_simplify("/a/..", buf, 5));
+	TEST_COND( path_simplify("/a//.", buf, 5));
+
+	// .. going under the root or close to it
+	TEST_COND(!path_simplify("/../123456", buf, 10));
+	TEST_COND(!path_simplify("/./a/../..", buf, 10));
+	TEST_COND( path_simplify("/a/a/../..", buf, 10));
+	TEST_COND(!path_simplify("/////../..", buf, 10));
+	TEST_COND(!path_simplify("//a//../..", buf, 10));
+
+	// relative paths aren't allowed
+	TEST_COND(!path_simplify("apath", buf, 5));
+	TEST_COND(!path_simplify("a/pth", buf, 5));
+	TEST_COND(!path_simplify("../th", buf, 5));
+
+	// this includes empty paths
+	TEST_COND(!path_simplify("", buf, 1));
+
+	// TODO test if the paths are simplified correctly
+}
+
+void tests_vfs() {
+	TEST_RUN(path_simplify);
+}