diff --git a/test/Vector.cpp b/test/Vector.cpp
new file mode 100644
index 0000000..341c4b6
--- /dev/null
+++ b/test/Vector.cpp
@@ -0,0 +1,66 @@
+#include "tempest/Vector.hpp"
+#include "test/Test.hpp"
+
+TEST_CASE("C3Vector", "[vector]") {
+    SECTION("constructs with default constructor") {
+        C3Vector vector;
+        REQUIRE(vector.x == 0.0f);
+        REQUIRE(vector.y == 0.0f);
+        REQUIRE(vector.z == 0.0f);
+    }
+
+    SECTION("constructs with xyz constructor") {
+        auto vector = C3Vector(1.0f, 2.0f, 3.0f);
+        REQUIRE(vector.x == 1.0f);
+        REQUIRE(vector.y == 2.0f);
+        REQUIRE(vector.z == 3.0f);
+    }
+}
+
+TEST_CASE("C3Vector::operator*=", "[vector]") {
+    SECTION("multiplies by 2.0f") {
+        auto vector = C3Vector(1.0f, 2.0f, 3.0f);
+        vector *= 2.0f;
+        REQUIRE(vector.x == 2.0f);
+        REQUIRE(vector.y == 4.0f);
+        REQUIRE(vector.z == 6.0f);
+    }
+
+    SECTION("multiplies by -2.0f") {
+        auto vector = C3Vector(1.0f, 2.0f, 3.0f);
+        vector *= -2.0f;
+        REQUIRE(vector.x == -2.0f);
+        REQUIRE(vector.y == -4.0f);
+        REQUIRE(vector.z == -6.0f);
+    }
+
+    SECTION("multiplies by 0.0f") {
+        auto vector = C3Vector(1.0f, 2.0f, 3.0f);
+        vector *= 0.0f;
+        REQUIRE(vector.x == 0.0f);
+        REQUIRE(vector.y == 0.0f);
+        REQUIRE(vector.z == 0.0f);
+    }
+}
+
+TEST_CASE("C3Vector::SquaredMag", "[vector]") {
+    SECTION("calculates squared mag") {
+        auto vector = C3Vector(1.0f, 2.0f, 3.0f);
+        REQUIRE(vector.SquaredMag() == 14.0f);
+    }
+
+    SECTION("calculates squared mag of C3Vector(0.0f, 0.0f, 0.0f)") {
+        auto vector = C3Vector(0.0f, 0.0f, 0.0f);
+        REQUIRE(vector.SquaredMag() == 0.0f);
+    }
+
+    SECTION("calculates squared mag of C3Vector(1.0f, 1.0f, 1.0f)") {
+        auto vector = C3Vector(1.0f, 1.0f, 1.0f);
+        REQUIRE(vector.SquaredMag() == 3.0f);
+    }
+
+    SECTION("calculates squared mag of C3Vector(-1.0f, -1.0f, -1.0f)") {
+        auto vector = C3Vector(-1.0f, -1.0f, -1.0f);
+        REQUIRE(vector.SquaredMag() == 3.0f);
+    }
+}