1 files changed, 31 insertions, 0 deletions
diff --git a/test/vector.cpp b/test/vector.cpp
new file mode 100644
index 0000000..61648c6
--- /dev/null
+++ b/test/vector.cpp
@@ -0,0 +1,31 @@
+#include <vector.hpp>
+#include <common.hpp>
+#include <catch2/catch.hpp>
+
+TEST_CASE( "Vector length", "[vector]" ) {
+    auto vec = Vec3d(2, 4, 4);
+    REQUIRE(vec.length() == 6);
+    vec.set(0, 0, 0);
+    REQUIRE(vec.length() == 0);
+    vec.set(0, 3.5, 0);
+    REQUIRE(vec.length() == 3.5);
+}
+
+TEST_CASE("Vector_normal", "[vector]") {
+    auto vec = Vec3d(4, 5, 4545);
+    REQUIRE(vec.length() != 1.0);
+    vec.normalize();
+    REQUIRE(vec.length() - 1.0 < ZERO_APPROX);
+    vec.set(0, 0, 0);
+    REQUIRE_THROWS(vec.normalize());
+}
+
+TEST_CASE("Vector dot", "[vector]") {
+    auto a = Vec3d(4, 5, 6);
+    auto b = Vec3d(1, 2, 3);
+    REQUIRE(a.dot(b) == 32);
+    a.set(0, 0, 0);
+    REQUIRE(a.dot(b) == 0);
+    a.set(0, 5, 0);
+    REQUIRE(a.dot(b) == 10);
+}