class_docstr: Tests for zipline ExecutionStyle classes.
class_docstr_tok: ["Tests","for","zipline","ExecutionStyle","classes","."]
docstr: Basic unit tests for the MarketOrder class.
docstr_tok: ["Basic","unit","tests","for","the","MarketOrder","class","."]
code: def test_market_order_prices(self):
      """
      Basic unit tests for the MarketOrder class.
      """
      style = MarketOrder()
  
      assert_equal(style.get_limit_price(_is_buy=True), None)
      assert_equal(style.get_limit_price(_is_buy=False), None)
  
      assert_equal(style.get_stop_price(_is_buy=True), None)
      assert_equal(style.get_stop_price(_is_buy=False), None)
  
file_path: zipline/tests/test_execution_styles.py
imports: from nose_parameterized import parameterized
  from six.moves import range
  import pandas
  from zipline.errors import BadOrderParameters
  from zipline.finance.execution import LimitOrder, MarketOrder, StopLimitOrder, StopOrder
  from zipline.testing.fixtures import WithLogger, ZiplineTestCase, WithConstantFutureMinuteBarData
  from zipline.testing.predicates import assert_equal
label_desc: Use image node_id 4 for calling the ExecutionStyleTestCase obj's underlying member method code with example usage: obj.test_market_order_prices() without return types