diff --git a/binaries/data/mods/public/simulation/components/tests/test_Vector.js b/binaries/data/mods/public/simulation/components/tests/test_Vector.js
new file mode 100644
index 0000000000..e89dbffe4b
--- /dev/null
+++ b/binaries/data/mods/public/simulation/components/tests/test_Vector.js
@@ -0,0 +1,62 @@
+var brokenVector = {
+	"lengthSquared": () => "incompatible vector"
+};
+
+// Test Vector2D
+{
+	let v1 = new Vector2D();
+	TS_ASSERT_EQUALS(v1.x, 0);
+	TS_ASSERT_EQUALS(v1.y, 0);
+
+	let v2 = new Vector2D(3, 4);
+	TS_ASSERT_EQUALS(v1.distanceTo(v2), 5);
+
+	v2.mult(3);
+	TS_ASSERT_EQUALS(v2.x, 9);
+	TS_ASSERT_EQUALS(v2.y, 12);
+
+	v2.add(new Vector2D(1, 2));
+	TS_ASSERT_EQUALS(v2.x, 10);
+	TS_ASSERT_EQUALS(v2.y, 14);
+
+	let v3 = new Vector2D(0, 5).normalize();
+	TS_ASSERT_EQUALS(v3.x, 0);
+	TS_ASSERT_EQUALS(v3.y, 1);
+
+	v3.set(-8, 0).normalize();
+	TS_ASSERT_EQUALS(v3.x, -1);
+	TS_ASSERT_EQUALS(v3.y, 0);
+
+	let v4 = new Vector2D(2, -5).rotate(4 * Math.PI);
+	TS_ASSERT_EQUALS(v4.x, 2);
+	TS_ASSERT_EQUALS(v4.y, -5);
+
+	v4.rotate(Math.PI);
+	TS_ASSERT_EQUALS(v4.x, -2);
+	TS_ASSERT_EQUALS(v4.y, 5);
+
+	TS_ASSERT_EQUALS(new Vector2D(2, 3).dot(new Vector2D(4, 5)), 23);
+	TS_ASSERT_EQUALS(new Vector2D(3, 5).cross(new Vector2D(-4, -1/3)), 19);
+	TS_ASSERT_EQUALS(new Vector2D(20, 21).length(), 29);
+
+	let v5 = new Vector2D(10, 20);
+	TS_ASSERT_EQUALS(v5.compareLength(new Vector2D(5, 8)), 1);
+	TS_ASSERT_EQUALS(v5.compareLength(new Vector2D(500, 800)), -1);
+	TS_ASSERT_EQUALS(v5.compareLength(new Vector2D(10, 20)), 0);
+	TS_ASSERT(isNaN(v5.compareLength(brokenVector)));
+}
+
+// Test Vector3D
+{
+	let v1 = new Vector3D(2, 5, 14);
+	TS_ASSERT_EQUALS(v1.distanceTo(new Vector3D()), 15);
+	TS_ASSERT(isNaN(v1.compareLength(brokenVector)));
+
+	let v2 = v1.mult(3);
+	TS_ASSERT_EQUALS(v2.x, 6);
+	TS_ASSERT_EQUALS(v2.y, 15);
+	TS_ASSERT_EQUALS(v2.z, 42);
+
+	TS_ASSERT_EQUALS(new Vector3D(1, 2, 3).dot(new Vector3D(4, 5, 6)), 32);
+
+}
\ No newline at end of file