Add 'libnbtplusplus/' from commit '1a0ffe372f4da8408c5d08a36013536a3396b9e6'

git-subtree-dir: libnbtplusplus
git-subtree-mainline: 7fb132859fda54aa96bc9dd46d302b343eeb5a02
git-subtree-split: 1a0ffe372f4da8408c5d08a36013536a3396b9e6

1 files changed, 169 insertions, 0 deletions

diff --git a/libnbtplusplus/test/endian_str_test.h b/libnbtplusplus/test/endian_str_test.h
new file mode 100644
index 0000000000..d647d563eb
--- /dev/null
+++ b/libnbtplusplus/test/endian_str_test.h
@@ -0,0 +1,169 @@
+/*
+ * SPDX-FileCopyrightText: 2013, 2015 ljfa-ag <ljfa-ag@web.de>
+ *
+ * SPDX-License-Identifier: LGPL-3.0-or-later
+ */
+
+/*
+ * libnbt++ - A library for the Minecraft Named Binary Tag format.
+ * Copyright (C) 2013, 2015  ljfa-ag
+ *
+ * This file is part of libnbt++.
+ *
+ * libnbt++ is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * libnbt++ 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 Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with libnbt++.  If not, see <http://www.gnu.org/licenses/>.
+ */
+#include <cxxtest/TestSuite.h>
+#include "endian_str.h"
+#include <cstdlib>
+#include <iostream>
+#include <sstream>
+
+using namespace endian;
+
+class endian_str_test : public CxxTest::TestSuite
+{
+  public:
+	void test_uint()
+	{
+		std::stringstream str(std::ios::in | std::ios::out | std::ios::binary);
+
+		write_little(str, uint8_t(0x01));
+		write_little(str, uint16_t(0x0102));
+		write(str, uint32_t(0x01020304), little);
+		write_little(str, uint64_t(0x0102030405060708));
+
+		write_big(str, uint8_t(0x09));
+		write_big(str, uint16_t(0x090A));
+		write_big(str, uint32_t(0x090A0B0C));
+		write(str, uint64_t(0x090A0B0C0D0E0F10), big);
+
+		std::string expected{
+			1, 2, 1,  4, 3,	 2,	 1,	 8, 7,	6,	5,	4,	3,	2,	1,
+
+			9, 9, 10, 9, 10, 11, 12, 9, 10, 11, 12, 13, 14, 15, 16};
+		TS_ASSERT_EQUALS(str.str(), expected);
+
+		uint8_t u8;
+		uint16_t u16;
+		uint32_t u32;
+		uint64_t u64;
+
+		read_little(str, u8);
+		TS_ASSERT_EQUALS(u8, 0x01);
+		read_little(str, u16);
+		TS_ASSERT_EQUALS(u16, 0x0102);
+		read_little(str, u32);
+		TS_ASSERT_EQUALS(u32, 0x01020304u);
+		read(str, u64, little);
+		TS_ASSERT_EQUALS(u64, 0x0102030405060708u);
+
+		read_big(str, u8);
+		TS_ASSERT_EQUALS(u8, 0x09);
+		read_big(str, u16);
+		TS_ASSERT_EQUALS(u16, 0x090A);
+		read(str, u32, big);
+		TS_ASSERT_EQUALS(u32, 0x090A0B0Cu);
+		read_big(str, u64);
+		TS_ASSERT_EQUALS(u64, 0x090A0B0C0D0E0F10u);
+
+		TS_ASSERT(str); // Check if stream has failed
+	}
+
+	void test_sint()
+	{
+		std::stringstream str(std::ios::in | std::ios::out | std::ios::binary);
+
+		write_little(str, int8_t(-0x01));
+		write_little(str, int16_t(-0x0102));
+		write_little(str, int32_t(-0x01020304));
+		write(str, int64_t(-0x0102030405060708), little);
+
+		write_big(str, int8_t(-0x09));
+		write_big(str, int16_t(-0x090A));
+		write(str, int32_t(-0x090A0B0C), big);
+		write_big(str, int64_t(-0x090A0B0C0D0E0F10));
+
+		std::string expected{
+			// meh, stupid narrowing conversions
+			'\xFF', '\xFE', '\xFE', '\xFC', '\xFC', '\xFD', '\xFE', '\xF8',
+			'\xF8', '\xF9', '\xFA', '\xFB', '\xFC', '\xFD', '\xFE',
+
+			'\xF7', '\xF6', '\xF6', '\xF6', '\xF5', '\xF4', '\xF4', '\xF6',
+			'\xF5', '\xF4', '\xF3', '\xF2', '\xF1', '\xF0', '\xF0'};
+		TS_ASSERT_EQUALS(str.str(), expected);
+
+		int8_t i8;
+		int16_t i16;
+		int32_t i32;
+		int64_t i64;
+
+		read_little(str, i8);
+		TS_ASSERT_EQUALS(i8, -0x01);
+		read_little(str, i16);
+		TS_ASSERT_EQUALS(i16, -0x0102);
+		read(str, i32, little);
+		TS_ASSERT_EQUALS(i32, -0x01020304);
+		read_little(str, i64);
+		TS_ASSERT_EQUALS(i64, -0x0102030405060708);
+
+		read_big(str, i8);
+		TS_ASSERT_EQUALS(i8, -0x09);
+		read_big(str, i16);
+		TS_ASSERT_EQUALS(i16, -0x090A);
+		read_big(str, i32);
+		TS_ASSERT_EQUALS(i32, -0x090A0B0C);
+		read(str, i64, big);
+		TS_ASSERT_EQUALS(i64, -0x090A0B0C0D0E0F10);
+
+		TS_ASSERT(str); // Check if stream has failed
+	}
+
+	void test_float()
+	{
+		std::stringstream str(std::ios::in | std::ios::out | std::ios::binary);
+
+		// C99 has hexadecimal floating point literals, C++ doesn't...
+		const float fconst = std::stof("-0xCDEF01p-63"); //-1.46325e-012
+		const double dconst =
+			std::stod("-0x1DEF0102030405p-375"); //-1.09484e-097
+		// We will be assuming IEEE 754 here
+
+		write_little(str, fconst);
+		write_little(str, dconst);
+		write_big(str, fconst);
+		write_big(str, dconst);
+
+		std::string expected{'\x01', '\xEF', '\xCD', '\xAB', '\x05', '\x04',
+							 '\x03', '\x02', '\x01', '\xEF', '\xCD', '\xAB',
+
+							 '\xAB', '\xCD', '\xEF', '\x01', '\xAB', '\xCD',
+							 '\xEF', '\x01', '\x02', '\x03', '\x04', '\x05'};
+		TS_ASSERT_EQUALS(str.str(), expected);
+
+		float f;
+		double d;
+
+		read_little(str, f);
+		TS_ASSERT_EQUALS(f, fconst);
+		read_little(str, d);
+		TS_ASSERT_EQUALS(d, dconst);
+
+		read_big(str, f);
+		TS_ASSERT_EQUALS(f, fconst);
+		read_big(str, d);
+		TS_ASSERT_EQUALS(d, dconst);
+
+		TS_ASSERT(str); // Check if stream has failed
+	}
+};