code: def test_dash_offset_patch_draw(fig_test, fig_ref):
      ax_test = fig_test.add_subplot()
      ax_ref = fig_ref.add_subplot()
  
      loc = (0.1, 0.1)
      width, height = (0.8, 0.8)
      rect_ref = Rectangle(
          loc,
          width,
          height,
          linewidth=3,
          edgecolor="b",
          linestyle=(0, [6, 6]),
      )
      # fill the line gaps using a linestyle (0, [0, 6, 6, 0]), which is
      # equivalent to (6, [6, 6]) but has 0 dash offset
      rect_ref2 = Rectangle(
          loc,
          width,
          height,
          linewidth=3,
          edgecolor="r",
          linestyle=(0, [0, 6, 6, 0]),
      )
      assert rect_ref.get_linestyle() == (0, [6, 6])
      assert rect_ref2.get_linestyle() == (0, [0, 6, 6, 0])
  
      ax_ref.add_patch(rect_ref)
      ax_ref.add_patch(rect_ref2)
  
      # Check that the dash offset of the rect is the same if we pass it in the
      # init method and if we create two rects with appropriate onoff sequence
      # of linestyle.
  
      rect_test = Rectangle(
          loc,
          width,
          height,
          linewidth=3,
          edgecolor="b",
          linestyle=(0, [6, 6]),
      )
      rect_test2 = Rectangle(
          loc,
          width,
          height,
          linewidth=3,
          edgecolor="r",
          linestyle=(6, [6, 6]),
      )
      assert rect_test.get_linestyle() == (0, [6, 6])
      assert rect_test2.get_linestyle() == (6, [6, 6])
  
      ax_test.add_patch(rect_test)
      ax_test.add_patch(rect_test2)
  
imports: import numpy
  from numpy.testing import assert_almost_equal, assert_array_equal
  import pytest
  import matplotlib
  from matplotlib.patches import Annulus, Ellipse, Patch, Polygon, Rectangle, FancyArrowPatch, FancyArrow, BoxStyle, Arc
  from matplotlib.testing.decorators import image_comparison, check_figures_equal
  from matplotlib.transforms import Bbox
  import matplotlib.pyplot
  from matplotlib import collections, colors, patches, path, transforms, rcParams
  import sys
label_desc: Use image node_id 6 for calling a global function with example usage: test_dash_offset_patch_draw(fig_test, fig_ref) without return types