Add more as_strided tests.

test/test_operations.py

@@ -1533,6 +1533,56 @@ def test_fn(r):
 
     self.runAtenTest([torch.arange(144, dtype=torch.int32)], test_fn)
 
+  def test_as_strided_with_gap(self):
+
+    def test_fn(r):
+      return torch.as_strided(r, (4, 4), (8, 1))
+
+    self.runAtenTest([torch.arange(28, dtype=torch.int32)], test_fn)
+
+  def test_as_strided_with_gap_no_unit_stride(self):
+
+    def test_fn(r):
+      return torch.as_strided(r, (4, 4), (8, 2))
+
+    self.runAtenTest([torch.arange(31, dtype=torch.int32)], test_fn)
+
+  def test_as_strided_with_overlap(self):
+
+    def test_fn(r):
+      return torch.as_strided(r, (4, 4), (2, 1))
+
+    self.runAtenTest([torch.arange(10, dtype=torch.int32)], test_fn)
+
+  def test_as_strided_with_overlap_and_gap(self):
+
+    def test_fn(r):
+      return torch.as_strided(r, (4, 4), (4, 2))
+
+    self.runAtenTest([torch.arange(19, dtype=torch.int32)], test_fn)
+
+  def test_as_strided_with_overlap_zero_stride(self):
+
+    def test_fn(r):
+      return torch.as_strided(r, (4, 4), (0, 1))
+
+    self.runAtenTest([torch.arange(19, dtype=torch.int32)], test_fn)
+
+  def test_as_strided_with_gap_no_unit_stride(self):
+
+    def test_fn(r):
+      x = r.view(8, 4)
+      return torch.as_strided(r, (4, 4), (6, 2))
+
+    self.runAtenTest([torch.arange(32, dtype=torch.int32)], test_fn)
+
+  def test_as_strided_with_empty_args(self):
+
+    def test_fn(r):
+      return torch.as_strided(r, tuple(), tuple())
+
+    self.runAtenTest([torch.arange(32, dtype=torch.int32)], test_fn)
+
   def test_basic_bfloat16(self):
 
     def test_fn(s):