Tests: Establish root Tests directory, move Userland/Tests there

With the goal of centralizing all tests in the system, this is a
first step to establish a Tests sub-tree. It will contain all of
the unit tests and test harnesses for the various components in the
system.

1 files changed, 27 insertions, 0 deletions

diff --git a/Tests/LibC/TestLibCDirEnt.cpp b/Tests/LibC/TestLibCDirEnt.cpp
new file mode 100644
index 0000000000..b7f85d7528
--- /dev/null
+++ b/Tests/LibC/TestLibCDirEnt.cpp
@@ -0,0 +1,27 @@
+/*
+ * Copyright (c) 2021, Brian Gianforcaro <bgianf@serenityos.org>
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+
+#include <LibTest/TestCase.h>
+#include <dirent.h>
+#include <string.h>
+
+TEST_CASE(scandir_basic_scenario)
+{
+    struct dirent** namelist = nullptr;
+    auto entries = scandir("/etc", &namelist, nullptr, nullptr);
+    EXPECT(entries > 0);
+    EXPECT_NE(namelist, nullptr);
+
+    bool found_passwd = false;
+    for (auto i = 0; i < entries; i++) {
+        if (strcmp(namelist[i]->d_name, "passwd") == 0) {
+            found_passwd = true;
+        }
+        free(namelist[i]);
+    }
+    EXPECT(found_passwd);
+    free(namelist);
+}