old_contents: import unittest
  
  from cupy import testing
  
  
  @testing.gpu
  class TestTrigonometric(unittest.TestCase):
  
      @testing.for_all_dtypes(no_complex=True)
      @testing.numpy_cupy_allclose(atol=1e-5)
      def check_unary(self, name, xp, dtype):
          a = testing.shaped_arange((2, 3), xp, dtype)
          return getattr(xp, name)(a)
  
      @testing.for_all_dtypes(no_complex=True)
      @testing.numpy_cupy_allclose(atol=1e-5)
      def check_binary(self, name, xp, dtype):
          a = testing.shaped_arange((2, 3), xp, dtype)
          b = testing.shaped_reverse_arange((2, 3), xp, dtype)
          return getattr(xp, name)(a, b)
  
      @testing.for_dtypes(['e', 'f', 'd'])
      @testing.numpy_cupy_allclose(atol=1e-5)
      def check_unary_unit(self, name, xp, dtype):
          a = xp.array([0.2, 0.4, 0.6, 0.8], dtype=dtype)
          return getattr(xp, name)(a)
  
      def test_sin(self):
          self.check_unary('sin')
  
      def test_cos(self):
          self.check_unary('cos')
  
      def test_tan(self):
          self.check_unary('tan')
  
      def test_arcsin(self):
          self.check_unary_unit('arcsin')
  
      def test_arccos(self):
          self.check_unary_unit('arccos')
  
      def test_arctan(self):
          self.check_unary('arctan')
  
      def test_arctan2(self):
          self.check_binary('arctan2')
  
      def test_hypot(self):
          self.check_binary('hypot')
  
      def test_deg2rad(self):
          self.check_unary('deg2rad')
  
      def test_rad2deg(self):
          self.check_unary('rad2deg')
  
new_contents: import unittest
  
  from cupy import testing
  
  
  @testing.gpu
  class TestTrigonometric(unittest.TestCase):
  
      @testing.for_all_dtypes(no_complex=True)
      @testing.numpy_cupy_allclose(atol=1e-5)
      def check_unary(self, name, xp, dtype):
          a = testing.shaped_arange((2, 3), xp, dtype)
          return getattr(xp, name)(a)
  
      @testing.for_all_dtypes(no_complex=True)
      @testing.numpy_cupy_allclose(atol=1e-5)
      def check_binary(self, name, xp, dtype):
          a = testing.shaped_arange((2, 3), xp, dtype)
          b = testing.shaped_reverse_arange((2, 3), xp, dtype)
          return getattr(xp, name)(a, b)
  
      @testing.for_dtypes(['e', 'f', 'd'])
      @testing.numpy_cupy_allclose(atol=1e-5)
      def check_unary_unit(self, name, xp, dtype):
          a = xp.array([0.2, 0.4, 0.6, 0.8], dtype=dtype)
          return getattr(xp, name)(a)
  
      def test_sin(self):
          self.check_unary('sin')
  
      def test_cos(self):
          self.check_unary('cos')
  
      def test_tan(self):
          self.check_unary('tan')
  
      def test_arcsin(self):
          self.check_unary_unit('arcsin')
  
      def test_arccos(self):
          self.check_unary_unit('arccos')
  
      def test_arctan(self):
          self.check_unary('arctan')
  
      def test_arctan2(self):
          self.check_binary('arctan2')
  
      def test_hypot(self):
          self.check_binary('hypot')
  
      def test_deg2rad(self):
          self.check_unary('deg2rad')
  
      def test_rad2deg(self):
          self.check_unary('rad2deg')
  
  
  @testing.gpu
  class TestUnwrap(unittest.TestCase):
  
      @testing.for_all_dtypes(no_complex=True)
      @testing.numpy_cupy_allclose()
      def test_unwrap_1dim(self, xp, dtype):
          a = testing.shaped_random((5,), xp, dtype)
          return xp.unwrap(a)
  
      @testing.for_all_dtypes(no_complex=True)
      @testing.numpy_cupy_allclose()
      def test_unwrap_1dim_with_discont(self, xp, dtype):
          a = testing.shaped_random((5,), xp, dtype)
          return xp.unwrap(a, discont=1.0)
  
      @testing.for_all_dtypes(no_complex=True)
      @testing.numpy_cupy_allclose()
      def test_unwrap_2dim_without_axis(self, xp, dtype):
          a = testing.shaped_random((4, 5), xp, dtype)
          return xp.unwrap(a)
  
      @testing.for_all_dtypes(no_complex=True)
      @testing.numpy_cupy_allclose()
      def test_unwrap_2dim_with_axis(self, xp, dtype):
          a = testing.shaped_random((4, 5), xp, dtype)
          return xp.unwrap(a, axis=1)
  
      @testing.for_all_dtypes(no_complex=True)
      @testing.numpy_cupy_allclose()
      def test_unwrap_2dim_with_discont(self, xp, dtype):
          a = testing.shaped_random((4, 5), xp, dtype)
          return xp.unwrap(a, discont=0.37, axis=1)
  
subject: Add TestUnwrap