121 lines
3.3 KiB
C++
121 lines
3.3 KiB
C++
/*
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* DoRayMe - a quick and dirty Raytracer
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* OBJ File unit tests
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*
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* Created by Manoël Trapier
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* Copyright (c) 2020 986-Studio.
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*
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*/
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#include <objfile.h>
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#include <math.h>
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#include <gtest/gtest.h>
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#include <triangle.h>
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TEST(OBJFileTest, Ignoring_unrecognised_lines)
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{
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const char gibberish[] = "There was a young lady named Bright\n"
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"who traveled much faster than light\n"
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"She set out one day\n"
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"in a relative way\n"
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"and came back the previous night.\n";
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OBJFile parser = OBJFile();
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parser.parseOBJFile(gibberish);
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ASSERT_EQ(parser.ignoredLines, 5);
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}
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TEST(OBJFileTest, Vertex_record)
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{
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const char file[] = "v -1 1 0\n"
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"v -1.0000 0.5000 0.0000\n"
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"v 1 0 0\n"
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"v 1 1 0\n";
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OBJFile parser = OBJFile();
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parser.parseOBJFile(file);
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ASSERT_EQ(parser.vertices(1), Point(-1, 1, 0));
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ASSERT_EQ(parser.vertices(2), Point(-1, 0.5, 0));
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ASSERT_EQ(parser.vertices(3), Point(1, 0, 0));
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ASSERT_EQ(parser.vertices(4), Point(1, 1, 0));
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}
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TEST(OBJFileTest, Parsing_triangle_faces)
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{
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const char file[] = "v -1 1 0\n"
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"v -1 0 0\n"
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"v 1 0 0\n"
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"v 1 1 0\n"
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"\n"
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"f 1 2 3\n"
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"f 1 3 4\n";
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OBJFile parser = OBJFile();
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parser.parseOBJFile(file);
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Group *g0 = parser.groups(0);
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Triangle *t1 = (Triangle *)(*g0)[0];
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Triangle *t2 = (Triangle *)(*g0)[1];
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ASSERT_EQ(t1->p1, parser.vertices(1));
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ASSERT_EQ(t1->p2, parser.vertices(2));
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ASSERT_EQ(t1->p3, parser.vertices(3));
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ASSERT_EQ(t2->p1, parser.vertices(1));
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ASSERT_EQ(t2->p2, parser.vertices(3));
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ASSERT_EQ(t2->p3, parser.vertices(4));
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}
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TEST(OBJFileTest, Triangulating_polygons)
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{
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const char file[] = "v -1 1 0\n"
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"v -1 0 0\n"
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"v 1 0 0\n"
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"v 1 1 0\n"
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"v 0 2 0\n"
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"\n"
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"f 1 2 3 4 5\n";
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OBJFile parser = OBJFile();
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parser.parseOBJFile(file);
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Group *g0 = parser.groups(0);
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Triangle *t1 = (Triangle *)(*g0)[0];
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Triangle *t2 = (Triangle *)(*g0)[1];
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Triangle *t3 = (Triangle *)(*g0)[2];
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ASSERT_EQ(t1->p1, parser.vertices(1));
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ASSERT_EQ(t1->p2, parser.vertices(2));
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ASSERT_EQ(t1->p3, parser.vertices(3));
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ASSERT_EQ(t2->p1, parser.vertices(1));
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ASSERT_EQ(t2->p2, parser.vertices(3));
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ASSERT_EQ(t2->p3, parser.vertices(4));
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ASSERT_EQ(t3->p1, parser.vertices(1));
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ASSERT_EQ(t3->p2, parser.vertices(4));
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ASSERT_EQ(t3->p3, parser.vertices(5));
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}
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TEST(OBJFileTest, Triangle_in_groups)
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{
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OBJFile parser = OBJFile("triangles.obj");
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/* TODO: Add group name search/test */
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Group *g1 = parser.groups(1);
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Group *g2 = parser.groups(2);
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Triangle *t1 = (Triangle *)(*g1)[0];
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Triangle *t2 = (Triangle *)(*g2)[0];
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ASSERT_EQ(t1->p1, parser.vertices(1));
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ASSERT_EQ(t1->p2, parser.vertices(2));
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ASSERT_EQ(t1->p3, parser.vertices(3));
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ASSERT_EQ(t2->p1, parser.vertices(1));
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ASSERT_EQ(t2->p2, parser.vertices(3));
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ASSERT_EQ(t2->p3, parser.vertices(4));
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} |