diff --git a/test/vector2.cpp b/test/vector2.cpp
index 671d9f9b72..e1d122fbde 100644
--- a/test/vector2.cpp
+++ b/test/vector2.cpp
@@ -11,7 +11,25 @@ int main()
 {
     Vector2f a(1, 0);
     Vector2f b(0, 1);
-    assert (fabs(a % b - 1.0f) < 1e-5);
+    assert(fabs(a % b - 1.0f) < 1e-5);
+
+    Vector2f c;
+    assert(fabs(c(0) - 0) < 1e-5);
+    assert(fabs(c(1) - 0) < 1e-5);
+
+    Matrix<float, 2, 1> d(a);
+    assert(fabs(d(0,0) - 1) < 1e-5);
+    assert(fabs(d(1,0) - 0) < 1e-5);
+
+    Vector2f e(d);
+    assert(fabs(e(0) - 1) < 1e-5);
+    assert(fabs(e(1) - 0) < 1e-5);
+
+    float data[] = {4,5};
+    Vector2f f(data);
+    assert(fabs(f(0) - 4) < 1e-5);
+    assert(fabs(f(1) - 5) < 1e-5);
+
     return 0;
 }
 
diff --git a/test/vector3.cpp b/test/vector3.cpp
index 9f2ea8f525..ccf94c12a2 100644
--- a/test/vector3.cpp
+++ b/test/vector3.cpp
@@ -14,6 +14,14 @@ int main()
     Vector3f c = a.cross(b);
     c.print();
     assert (c == Vector3f(0,0,1));
+    c = a % b;
+    assert (c == Vector3f(0,0,1));
+    Matrix<float, 3, 1> d(c);
+    Vector3f e(d);
+    assert (e == d);
+    float data[] = {4, 5, 6};
+    Vector3f f(data);
+    assert (f == Vector3f(4, 5, 6));
     return 0;
 }
 
diff --git a/test/vectorAssignment.cpp b/test/vectorAssignment.cpp
index 8a72b29a38..491ce818bd 100644
--- a/test/vectorAssignment.cpp
+++ b/test/vectorAssignment.cpp
@@ -29,6 +29,10 @@ int main()
     assert(fabs(v2(1) - 5) < eps);
     assert(fabs(v2(2) - 6) < eps);
 
+    SquareMatrix<float, 3> m = diag(Vector3f(1,2,3));
+    assert(fabs(m(0, 0) - 1) < eps);
+    assert(fabs(m(1, 1) - 2) < eps);
+    assert(fabs(m(2, 2) - 3) < eps);
     return 0;
 }