diff --git a/ex3/test_ex3.m b/ex3/test_ex3.m
index 3cf2148..d1003fd 100644
--- a/ex3/test_ex3.m
+++ b/ex3/test_ex3.m
@@ -10,3 +10,5 @@
 %!test test_oneVsAll()
 
 %!test test_predictOneVsAll()
+
+%!test test_predict()
diff --git a/ex3/test_predict.m b/ex3/test_predict.m
new file mode 100644
index 0000000..fea6547
--- /dev/null
+++ b/ex3/test_predict.m
@@ -0,0 +1,19 @@
+function test_predict()
+
+    %c = predict(Theta1, Theta2, X);
+    c = predict(ones(3, 8), ones(1, 4), ones(9, 7));
+    assert(c, ones(9, 1));
+
+    c = predict(ones(3, 8), ones(1, 4), magic(7));
+    assert(c, ones(7, 1));
+
+    c = predict(-1/170*ones(3, 8), -1/3*ones(1, 4), magic(7));
+    assert(c, ones(7, 1));
+
+    predict(-1/170*ones(3, 8), -1/3*ones(2, 4), magic(7));
+    assert(c, ones(7, 1));
+
+    predict(-1/170*ones(3, 8), -1/3*ones(3, 4), magic(7));
+    assert(c, ones(7, 1));
+
+endfunction