Noissue - Add tracing function 'ToHexLiteral()'

test/plugin/DebugTest.cpp

+/*
+ * This file is part of Adblock Plus <https://adblockplus.org/>,
+ * Copyright (C) 2006-2015 Eyeo GmbH
+ *
+ * Adblock Plus is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 3 as
+ * published by the Free Software Foundation.
+ *
+ * Adblock Plus 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 Adblock Plus.  If not, see <http://www.gnu.org/licenses/>.
+ */
+#include <gtest/gtest.h>
+#include <Windows.h>
+#include "../../src/plugin/PluginDebug.h"
+#include <memory>
+
+#if defined(_WIN64)
+#define expected_length 18
+#define expected_nullptr_literal L"0x0000000000000000"
+#elif defined(_WIN32)
+#define expected_length 10
+#define expected_nullptr_literal L"0x00000000"
+#endif
+
+TEST(ToHexLiteral, Null)
+{
+  ASSERT_EQ(expected_nullptr_literal, ToHexLiteral(nullptr));
+}
+
+TEST(ToHexLiteral, NotNull)
+{
+  int p = 0;
+  ASSERT_NE(&p, nullptr);
+  ASSERT_EQ(expected_length, ToHexLiteral(&p).length());
+}