tests file for int24

tests/Math/Int24.cpp

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+/*
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ */
+
+#include <catch2/catch_all.hpp>
+
+#include "Math/Int24.hpp"
+
+using namespace OpenVulkano;
+
+TEST_CASE("Default constructor", "[Int24]")
+{
+	int24 a;
+	REQUIRE(static_cast<int>(a) == 0);
+}
+
+TEST_CASE("Integer constructor", "[Int24]")
+{
+	int24 a(0x123456);
+	REQUIRE(static_cast<int>(a) == 0x123456);
+
+	int24 b(-1);
+	REQUIRE(static_cast<int>(b) == -1);
+}
+
+TEST_CASE("Copy constructor", "[Int24]")
+{
+	int24 a(0x123456);
+	int24 b(a);
+	REQUIRE(static_cast<int>(b) == 0x123456);
+}
+
+TEST_CASE("Assignment operator", "[Int24]")
+{
+	int24 a;
+	a = 0x123456;
+	REQUIRE(static_cast<int>(a) == 0x123456);
+
+	int24 b;
+	b = a;
+	REQUIRE(static_cast<int>(b) == 0x123456);
+}
+
+TEST_CASE("Arithmetic operators", "[Int24]")
+{
+	int24 a(0x10);
+	int24 b(0x20);
+
+	REQUIRE(static_cast<int>(a + b) == 0x30);
+	REQUIRE(static_cast<int>(b - a) == 0x10);
+	REQUIRE(static_cast<int>(a * b) == 0x200);
+	REQUIRE(static_cast<int>(b / a) == 2);
+}
+
+TEST_CASE("Compound assignment operators", "[Int24]")
+{
+	int24 a(0x10);
+	int24 b(0x20);
+
+	a += b;
+	REQUIRE(static_cast<int>(a) == 0x30);
+
+	a -= b;
+	REQUIRE(static_cast<int>(a) == 0x10);
+
+	a *= b;
+	REQUIRE(static_cast<int>(a) == 0x200);
+
+	a /= b;
+	REQUIRE(static_cast<int>(a) == 0x10);
+}
+
+TEST_CASE("Comparison operators", "[Int24]")
+{
+	int24 a(0x100000);
+	int24 b(0x200000);
+
+	REQUIRE(a < b);
+	REQUIRE(b > a);
+	REQUIRE(a <= b);
+	REQUIRE(b >= a);
+	REQUIRE(a != b);
+
+	int24 c(0x100000);
+	REQUIRE(a == c);
+}
+
+TEST_CASE("Shift operators", "[Int24]")
+{
+	int24 a(0x123456);
+	REQUIRE(static_cast<int>(a << 1) == 0x2468ac);
+	REQUIRE(static_cast<int>(a >> 1) == 0x91a2b);
+}
+
+TEST_CASE("Boolean operators", "[Int24]")
+{
+	int24 a(0);
+	int24 b(1);
+
+	REQUIRE(!a);
+	REQUIRE(b);
+}
+
+TEST_CASE("Negation", "[Int24]")
+{
+	int24 a(0x123456);
+	REQUIRE(static_cast<int>(-a) == -0x123456);
+}