Testcase updated

tests/python/frontend/tflite/test_forward.py

@@ -272,6 +272,24 @@ def test_forward_slice():
         _test_slice(np.arange(8, dtype=np.int32).reshape((2, 4)), begin=[0, 1], size=[-1, -1])
         _test_slice(np.arange(5, dtype=np.int32).reshape((5, )), begin=[4], size=[-1])
 
+#######################################################################
+# Topk
+# ----
+def _test_topk(in_shape, k=1):
+    """ One iteration of TOPK """
+    data = np.random.uniform(size=in_shape).astype('float32')
+    with tf.Graph().as_default():
+        in_data = array_ops.placeholder(shape=data.shape, dtype=data.dtype)
+        out = nn_ops.top_k(in_data, k, name='TopK')
+        compare_tflite_with_tvm(data, 'Placeholder:0', [in_data], [out[0]])
+
+def test_forward_topk():
+    """ TOPK """
+    _test_topk((3,), 1)
+    _test_topk((3,), 3)
+    _test_topk((3, 5, 7), 3)
+    _test_topk((3, 5, 7), 3)
+
 #######################################################################
 # transpose
 # ---------
@@ -1775,6 +1793,7 @@ def test_forward_mediapipe_hand_landmark():
     test_all_resize()
     test_forward_squeeze()
     test_forward_slice()
+    test_forward_topk()
     test_forward_depthtospace()
     test_forward_spacetodepth()