[FEAT] Add creation of Point and Vector

tests/chapitre01_tuples.cpp

@@ -28,15 +28,55 @@
 
 /*---------------------------------------------------------------------------*/
 
-#include <gtest/gtest.h>
+#include <catch.hpp>
 
 #include "tuple.h"
 
-TEST(RaytracerTuple, CreateBasicTuple)
+using namespace Raytracer;
+
+/* ------------------------------------------------------------------------- */
+
+TEST_CASE("a tuple with w=1.0 is a point", "[Tuple]")
 {
-  Raytracer::Tuple t(4.3, -4.2, 3.1, 1.0);
-  EXPECT_FLOAT_EQ(t.x(), 4.3);
-  EXPECT_FLOAT_EQ(t.y(), -4.2);
-  EXPECT_FLOAT_EQ(t.z(), 3.1);
-  EXPECT_FLOAT_EQ(t.w(), 1.0);
+  Tuple a(4.3, -4.2, 3.1, 1.0);
+
+  REQUIRE(a.x() == 4.3f);
+  REQUIRE(a.y() == -4.2f);
+  REQUIRE(a.z() == 3.1f);
+  REQUIRE(a.w() == 1.0f);
+
+  REQUIRE(a.is_point() == true);
+  REQUIRE(a.is_vector() == false);
+}
+
+/* ------------------------------------------------------------------------- */
+
+TEST_CASE("a tuple with w=0 is a vector", "[Tuple]")
+{
+  Tuple a(4.3, -4.2, 3.1, 0.0);
+
+  REQUIRE(a.x() == 4.3f);
+  REQUIRE(a.y() == -4.2f);
+  REQUIRE(a.z() == 3.1f);
+  REQUIRE(a.w() == 0.0f);
+
+  REQUIRE(a.is_point() == false);
+}
+
+/* ------------------------------------------------------------------------- */
+
+TEST_CASE("Point() creates tuples with w=1", "[Tuple][Point]")
+{
+  Tuple p = Tuple::Point(4, -4, 3);
+
+  REQUIRE(p == Tuple(4, -4, 3, kRaytracerTuplePoint));
+}
+
+/* ------------------------------------------------------------------------- */
+
+TEST_CASE("Vector() creates tuples with w=0", "[Tuple][Vector]")
+{
+  Tuple v = Tuple::Vector(4, -4, 3);
+
+  REQUIRE(v == Tuple(4, -4, 3, kRaytracerTupleVector));
 }

tests/main.cpp

@@ -0,0 +1,32 @@
+/*!
+ * main.cpp
+ *
+ * Copyright (c) 2015-2024, NADAL Jean-Baptiste. All rights reserved.
+ *
+ * This library 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 2.1 of the License, or (at your option) any later version.
+ *
+ * This library 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 this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ * MA 02110-1301 USA
+ *
+ * @Author:  NADAL Jean-Baptiste
+ * @Date: 29/01/2024
+ *
+ */
+
+// This is an independent project of an individual developer. Dear PVS-Studio, please check it.
+// PVS-Studio Static Code Analyzer for C, C++, C#, and Java: http://www.viva64.com
+
+#define CATCH_INTERNAL_CONFIG_NO_CPP17_UNCAUGHT_EXCEPTIONS
+#define CATCH_CONFIG_NO_CPP17_UNCAUGHT_EXCEPTIONS
+#define CATCH_CONFIG_MAIN
+#include "catch.hpp"