Test setFaceNormal class method #12

smercer10 · Feb 25, 2024 · 88160df · 88160df
1 parent 711c9e1
commit 88160df
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Showing 2 changed files with 25 additions and 1 deletion.
diff --git a/tests/CMakeLists.txt b/tests/CMakeLists.txt
@@ -6,7 +6,7 @@ FetchContent_Declare(
 
 FetchContent_MakeAvailable(googletest)
 
-add_executable(raydiance_test vec3_test.cpp colour_test.cpp ray_test.cpp globals_test.cpp)
+add_executable(raydiance_test vec3_test.cpp colour_test.cpp ray_test.cpp globals_test.cpp object_test.cpp)
 
 target_link_libraries(raydiance_test raydiance_lib GTest::gtest_main)
 

diff --git a/tests/object_test.cpp b/tests/object_test.cpp
@@ -0,0 +1,24 @@
+#include "raydiance/object.h"
+#include <gtest/gtest.h>
+
+TEST(IntersectionTest, SetFaceNormal) {
+    ray r1(point3{0, 0, 0}, vec3{0, 0, 1});
+    vec3 on1{0, 0, -1};
+    intersection i1;
+    i1.setFaceNormal(r1, on1);
+
+    EXPECT_TRUE(i1.frontFace);
+    EXPECT_DOUBLE_EQ(i1.normal.x(), 0);
+    EXPECT_DOUBLE_EQ(i1.normal.y(), 0);
+    EXPECT_DOUBLE_EQ(i1.normal.z(), -1);
+
+    ray r2(point3{0, 0, 0}, vec3{0, 0, -1});
+    vec3 on2{0, 0, -1};
+    intersection i2;
+    i2.setFaceNormal(r2, on2);
+
+    EXPECT_FALSE(i2.frontFace);
+    EXPECT_DOUBLE_EQ(i2.normal.x(), 0);
+    EXPECT_DOUBLE_EQ(i2.normal.y(), 0);
+    EXPECT_DOUBLE_EQ(i2.normal.z(), 1);
+}