text: from django.template import TemplateSyntaxError
  from django.test import SimpleTestCase, ignore_warnings
  from django.utils.deprecation import RemovedInDjango20Warning
  
  from ..utils import setup
  
  
  class FirstOfTagTests(SimpleTestCase):
  
      @setup({'firstof01': '{% firstof a b c %}'})
      def test_firstof01(self):
          output = self.engine.render_to_string('firstof01', {'a': 0, 'c': 0, 'b': 0})
          self.assertEqual(output, '')
  
      @setup({'firstof02': '{% firstof a b c %}'})
      def test_firstof02(self):
          output = self.engine.render_to_string('firstof02', {'a': 1, 'c': 0, 'b': 0})
          self.assertEqual(output, '1')
  
      @setup({'firstof03': '{% firstof a b c %}'})
      def test_firstof03(self):
          output = self.engine.render_to_string('firstof03', {'a': 0, 'c': 0, 'b': 2})
          self.assertEqual(output, '2')
  
      @setup({'firstof04': '{% firstof a b c %}'})
      def test_firstof04(self):
          output = self.engine.render_to_string('firstof04', {'a': 0, 'c': 3, 'b': 0})
          self.assertEqual(output, '3')
  
      @setup({'firstof05': '{% firstof a b c %}'})
      def test_firstof05(self):
          output = self.engine.render_to_string('firstof05', {'a': 1, 'c': 3, 'b': 2})
          self.assertEqual(output, '1')
  
      @setup({'firstof06': '{% firstof a b c %}'})
      def test_firstof06(self):
          output = self.engine.render_to_string('firstof06', {'c': 3, 'b': 0})
          self.assertEqual(output, '3')
  
      @setup({'firstof07': '{% firstof a b "c" %}'})
      def test_firstof07(self):
          output = self.engine.render_to_string('firstof07', {'a': 0})
          self.assertEqual(output, 'c')
  
      @setup({'firstof08': '{% firstof a b "c and d" %}'})
      def test_firstof08(self):
          output = self.engine.render_to_string('firstof08', {'a': 0, 'b': 0})
          self.assertEqual(output, 'c and d')
  
      @setup({'firstof09': '{% firstof %}'})
      def test_firstof09(self):
          with self.assertRaises(TemplateSyntaxError):
              self.engine.get_template('firstof09')
  
      @setup({'firstof10': '{% firstof a %}'})
      def test_firstof10(self):
          output = self.engine.render_to_string('firstof10', {'a': '<'})
          self.assertEqual(output, '&lt;')
  
      @ignore_warnings(category=RemovedInDjango20Warning)
      @setup({'firstof11': '{% load firstof from future %}{% firstof a b %}'})
      def test_firstof11(self):
          output = self.engine.render_to_string('firstof11', {'a': '<', 'b': '>'})
          self.assertEqual(output, '&lt;')
  
      @ignore_warnings(category=RemovedInDjango20Warning)
      @setup({'firstof12': '{% load firstof from future %}{% firstof a b %}'})
      def test_firstof12(self):
          output = self.engine.render_to_string('firstof12', {'a': '', 'b': '>'})
          self.assertEqual(output, '&gt;')
  
      @ignore_warnings(category=RemovedInDjango20Warning)
      @setup({'firstof13': '{% load firstof from future %}'
                           '{% autoescape off %}{% firstof a %}{% endautoescape %}'})
      def test_firstof13(self):
          output = self.engine.render_to_string('firstof13', {'a': '<'})
          self.assertEqual(output, '<')
  
      @ignore_warnings(category=RemovedInDjango20Warning)
      @setup({'firstof14': '{% load firstof from future %}{% firstof a|safe b %}'})
      def test_firstof14(self):
          output = self.engine.render_to_string('firstof14', {'a': '<'})
          self.assertEqual(output, '<')
  