Add test for gemm overflow.

apache#14522 dmlc/mshadow#372
larroy · Apr 5, 2019 · 548321c · 548321c
1 parent b68f18c
commit 548321c
Showing 1 changed file with 8 additions and 0 deletions.
diff --git a/tests/python/unittest/test_ndarray.py b/tests/python/unittest/test_ndarray.py
@@ -485,6 +485,14 @@ def test_dot():
     assert_almost_equal(c, C.asnumpy(), atol=atol)
 
 
+@raises(mx.base.MXNetError)
+def test_gemm_overflow():
+	# 100 * 6000 * 7000 overflows signed int32
+	a = mx.nd.random.uniform(shape=(100, 6000, 1))
+	b = mx.nd.random.uniform(shape=(100, 1, 7000))
+	c = mx.nd.batch_dot(a, b)
+
+
 @with_seed()
 def test_reduce():
     sample_num = 200