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, 43 insertions, 0 deletions

diff --git a/Tests/LibC/TestLibCTime.cpp b/Tests/LibC/TestLibCTime.cpp
new file mode 100644
index 0000000000..fcf2327639
--- /dev/null
+++ b/Tests/LibC/TestLibCTime.cpp
@@ -0,0 +1,43 @@
+/*
+ * Copyright (c) 2021, Brian Gianforcaro <bgianf@serenityos.org>
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+
+#include <AK/StringView.h>
+#include <LibTest/TestCase.h>
+#include <time.h>
+
+const auto expected_epoch = "Thu Jan  1 00:00:00 1970\n"sv;
+
+TEST_CASE(asctime)
+{
+    time_t epoch = 0;
+    auto result = asctime(localtime(&epoch));
+    EXPECT_EQ(expected_epoch, StringView(result));
+}
+
+TEST_CASE(asctime_r)
+{
+    char buffer[26] {};
+    time_t epoch = 0;
+    auto result = asctime_r(localtime(&epoch), buffer);
+    EXPECT_EQ(expected_epoch, StringView(result));
+}
+
+TEST_CASE(ctime)
+{
+    time_t epoch = 0;
+    auto result = ctime(&epoch);
+
+    EXPECT_EQ(expected_epoch, StringView(result));
+}
+
+TEST_CASE(ctime_r)
+{
+    char buffer[26] {};
+    time_t epoch = 0;
+    auto result = ctime_r(&epoch, buffer);
+
+    EXPECT_EQ(expected_epoch, StringView(result));
+}