code: def test_dot_with_out(self, xp, dtype_a, dtype_b, dtype_c):
      shape_a, shape_b = self.shape
      if self.trans_a:
          a = testing.shaped_arange(shape_a[::-1], xp, dtype_a).T
      else:
          a = testing.shaped_arange(shape_a, xp, dtype_a)
      if self.trans_b:
          b = testing.shaped_arange(shape_b[::-1], xp, dtype_b).T
      else:
          b = testing.shaped_arange(shape_b, xp, dtype_b)
      if a.ndim == 0 or b.ndim == 0:
          shape_c = shape_a + shape_b
      else:
          shape_c = shape_a[:-1] + shape_b[:-2] + shape_b[-1:]
      c = xp.empty(shape_c, dtype=dtype_c)
      out = xp.dot(a, b, out=c)
      assert out is c
      return c
  
imports: import unittest
  import numpy
  import pytest
  import cupy
  from cupy import testing
label_desc: Use image node_id 2 for calling the TestDot obj's underlying member method code with example usage: obj.test_dot_with_out(xp, dtype_a, dtype_b, dtype_c) and returns: c