code: def test_simplex_iterator_without_boundary(self):
      scale = 0
      expected = []
      points = list(simplex_iterator(scale=scale, boundary=False))
      self.assertEqual(points, expected)
  
      scale = 1
      expected = []
      points = list(simplex_iterator(scale=scale, boundary=False))
      self.assertEqual(points, expected)
  
      scale = 2
      expected = []
      points = list(simplex_iterator(scale=scale, boundary=False))
      self.assertEqual(points, expected)
  
      scale = 3
      expected = [(1, 1, 1)]
      points = list(simplex_iterator(scale=scale, boundary=False))
      self.assertEqual(points, expected)
  
file_path: python-ternary/tests/test_helpers.py
imports: import random
  import unittest
  from numpy.testing import assert_array_equal, assert_array_almost_equal
  from ternary.helpers import normalize, project_point, planar_to_coordinates, simplex_iterator, SQRT3OVER2
label_desc: Use image node_id 3 for calling the FunctionCases obj's underlying member method code with example usage: obj.test_simplex_iterator_without_boundary() without return types