Two small error tests (#201)

Author: kshyatt

test/eigen.jl

@@ -169,5 +169,8 @@
         @test vals::SVector ≈ sort(m_d)
         @test eigvals(m) ≈ sort(m_d)
         @test eigvals(Hermitian(m)) ≈ sort(m_d)
+
+        # not Hermitian
+        @test_throws Exception eig(@SMatrix randn(4,4))
     end
 end

test/solve.jl

@@ -24,4 +24,10 @@
         b = A*ones(elty,n)
         @test m(A)\v(b) ≈ A\b
     end =#
+
+    m1 = @SMatrix eye(5)
+    m2 = @SMatrix eye(2)
+    v = @SVector ones(4)
+    @test_throws DimensionMismatch m1\v
+    @test_throws DimensionMismatch m1\m2
 end