text: import unittest
  import Tkinter as tkinter
  from Tkinter import TclError
  import ttk
  from test.test_support import requires, run_unittest, have_unicode, u
  import sys
  
  from test_functions import MockTclObj
  from support import (AbstractTkTest, tcl_version, get_tk_patchlevel,
                       simulate_mouse_click)
  from widget_tests import (add_standard_options, noconv, noconv_meth,
      AbstractWidgetTest, StandardOptionsTests,
      IntegerSizeTests, PixelSizeTests,
      setUpModule)
  
  requires('gui')
  
  
  class StandardTtkOptionsTests(StandardOptionsTests):
  
      def test_class(self):
          widget = self.create()
          self.assertEqual(widget['class'], '')
          errmsg='attempt to change read-only option'
          if get_tk_patchlevel() < (8, 6, 0, 'beta', 3):
              errmsg='Attempt to change read-only option'
          self.checkInvalidParam(widget, 'class', 'Foo', errmsg=errmsg)
          widget2 = self.create(class_='Foo')
          self.assertEqual(widget2['class'], 'Foo')
  
      def test_padding(self):
          widget = self.create()
          self.checkParam(widget, 'padding', 0, expected=('0',))
          self.checkParam(widget, 'padding', 5, expected=('5',))
          self.checkParam(widget, 'padding', (5, 6), expected=('5', '6'))
          self.checkParam(widget, 'padding', (5, 6, 7),
                          expected=('5', '6', '7'))
          self.checkParam(widget, 'padding', (5, 6, 7, 8),
                          expected=('5', '6', '7', '8'))
          self.checkParam(widget, 'padding', ('5p', '6p', '7p', '8p'))
          self.checkParam(widget, 'padding', (), expected='')
  
      def test_style(self):
          widget = self.create()
          self.assertEqual(widget['style'], '')
          errmsg = 'Layout Foo not found'
          if hasattr(self, 'default_orient'):
              errmsg = ('Layout %s.Foo not found' %
                        getattr(self, 'default_orient').title())
          self.checkInvalidParam(widget, 'style', 'Foo',
                  errmsg=errmsg)
          widget2 = self.create(class_='Foo')
          self.assertEqual(widget2['class'], 'Foo')
          # XXX
          pass
  
  
  class WidgetTest(AbstractTkTest, unittest.TestCase):
      """Tests methods available in every ttk widget."""
  
      def setUp(self):
          super(WidgetTest, self).setUp()
          self.widget = ttk.Button(self.root, width=0, text="Text")
          self.widget.pack()
          self.widget.wait_visibility()
  
  
      def test_identify(self):
          self.widget.update_idletasks()
          self.assertEqual(self.widget.identify(
              self.widget.winfo_width() // 2,
              self.widget.winfo_height() // 2
              ), "label")
          self.assertEqual(self.widget.identify(-1, -1), "")
  
          self.assertRaises(tkinter.TclError, self.widget.identify, None, 5)
          self.assertRaises(tkinter.TclError, self.widget.identify, 5, None)
          self.assertRaises(tkinter.TclError, self.widget.identify, 5, '')
  
  
      def test_widget_state(self):
          # XXX not sure about the portability of all these tests
          self.assertEqual(self.widget.state(), ())
          self.assertEqual(self.widget.instate(['!disabled']), True)
  
          # changing from !disabled to disabled
          self.assertEqual(self.widget.state(['disabled']), ('!disabled', ))
          # no state change
          self.assertEqual(self.widget.state(['disabled']), ())
          # change back to !disable but also active
          self.assertEqual(self.widget.state(['!disabled', 'active']),
              ('!active', 'disabled'))
          # no state changes, again
          self.assertEqual(self.widget.state(['!disabled', 'active']), ())
          self.assertEqual(self.widget.state(['active', '!disabled']), ())
  
          def test_cb(arg1, **kw):
              return arg1, kw
          self.assertEqual(self.widget.instate(['!disabled'],
              test_cb, "hi", **{"msg": "there"}),
              ('hi', {'msg': 'there'}))
  
          # attempt to set invalid statespec
          currstate = self.widget.state()
          self.assertRaises(tkinter.TclError, self.widget.instate,
              ['badstate'])
          self.assertRaises(tkinter.TclError, self.widget.instate,
              ['disabled', 'badstate'])
          # verify that widget didn't change its state
          self.assertEqual(currstate, self.widget.state())
  
          # ensuring that passing None as state doesn't modify current state
          self.widget.state(['active', '!disabled'])
          self.assertEqual(self.widget.state(), ('active', ))
  
  
  class AbstractToplevelTest(AbstractWidgetTest, PixelSizeTests):
      _conv_pixels = noconv_meth
  
  
  @add_standard_options(StandardTtkOptionsTests)
  class FrameTest(AbstractToplevelTest, unittest.TestCase):
      OPTIONS = (
          'borderwidth', 'class', 'cursor', 'height',
          'padding', 'relief', 'style', 'takefocus',
          'width',
      )
  
      def create(self, **kwargs):
          return ttk.Frame(self.root, **kwargs)
  
  
  @add_standard_options(StandardTtkOptionsTests)
  class LabelFrameTest(AbstractToplevelTest, unittest.TestCase):
      OPTIONS = (
          'borderwidth', 'class', 'cursor', 'height',
          'labelanchor', 'labelwidget',
          'padding', 'relief', 'style', 'takefocus',
          'text', 'underline', 'width',
      )
  
      def create(self, **kwargs):
          return ttk.LabelFrame(self.root, **kwargs)
  
      def test_labelanchor(self):
          widget = self.create()
          self.checkEnumParam(widget, 'labelanchor',
                  'e', 'en', 'es', 'n', 'ne', 'nw', 's', 'se', 'sw', 'w', 'wn', 'ws',
                  errmsg='Bad label anchor specification {}')
          self.checkInvalidParam(widget, 'labelanchor', 'center')
  
      def test_labelwidget(self):
          widget = self.create()
          label = ttk.Label(self.root, text='Mupp', name='foo')
          self.checkParam(widget, 'labelwidget', label, expected='.foo')
          label.destroy()
  
  
  class AbstractLabelTest(AbstractWidgetTest):
  
      def checkImageParam(self, widget, name):
          image = tkinter.PhotoImage(master=self.root, name='image1')
          image2 = tkinter.PhotoImage(master=self.root, name='image2')
          self.checkParam(widget, name, image, expected=('image1',))
          self.checkParam(widget, name, 'image1', expected=('image1',))
          self.checkParam(widget, name, (image,), expected=('image1',))
          self.checkParam(widget, name, (image, 'active', image2),
                          expected=('image1', 'active', 'image2'))
          self.checkParam(widget, name, 'image1 active image2',
                          expected=('image1', 'active', 'image2'))
          self.checkInvalidParam(widget, name, 'spam',
                  errmsg='image "spam" doesn\'t exist')
  
      def test_compound(self):
          widget = self.create()
          self.checkEnumParam(widget, 'compound',
                  'none', 'text', 'image', 'center',
                  'top', 'bottom', 'left', 'right')
  
      def test_state(self):
          widget = self.create()
          self.checkParams(widget, 'state', 'active', 'disabled', 'normal')
  
      def test_width(self):
          widget = self.create()
          self.checkParams(widget, 'width', 402, -402, 0)
  
  
  @add_standard_options(StandardTtkOptionsTests)
  class LabelTest(AbstractLabelTest, unittest.TestCase):
      OPTIONS = (
          'anchor', 'background', 'borderwidth',
          'class', 'compound', 'cursor', 'font', 'foreground',
          'image', 'justify', 'padding', 'relief', 'state', 'style',
          'takefocus', 'text', 'textvariable',
          'underline', 'width', 'wraplength',
      )
      _conv_pixels = noconv_meth
  
      def create(self, **kwargs):
          return ttk.Label(self.root, **kwargs)
  
      def test_font(self):
          widget = self.create()
          self.checkParam(widget, 'font',
                          '-Adobe-Helvetica-Medium-R-Normal--*-120-*-*-*-*-*-*')
  
  
  @add_standard_options(StandardTtkOptionsTests)
  class ButtonTest(AbstractLabelTest, unittest.TestCase):
      OPTIONS = (
          'class', 'command', 'compound', 'cursor', 'default',
          'image', 'padding', 'state', 'style',
          'takefocus', 'text', 'textvariable',
          'underline', 'width',
      )
  
      def create(self, **kwargs):
          return ttk.Button(self.root, **kwargs)
  
      def test_default(self):
          widget = self.create()
          self.checkEnumParam(widget, 'default', 'normal', 'active', 'disabled')
  
      def test_invoke(self):
          success = []
          btn = ttk.Button(self.root, command=lambda: success.append(1))
          btn.invoke()
          self.assertTrue(success)
  
  
  @add_standard_options(StandardTtkOptionsTests)
  class CheckbuttonTest(AbstractLabelTest, unittest.TestCase):
      OPTIONS = (
          'class', 'command', 'compound', 'cursor',
          'image',
          'offvalue', 'onvalue',
          'padding', 'state', 'style',
          'takefocus', 'text', 'textvariable',
          'underline', 'variable', 'width',
      )
  
      def create(self, **kwargs):
          return ttk.Checkbutton(self.root, **kwargs)
  
      def test_offvalue(self):
          widget = self.create()
          self.checkParams(widget, 'offvalue', 1, 2.3, '', 'any string')
  
      def test_onvalue(self):
          widget = self.create()
          self.checkParams(widget, 'onvalue', 1, 2.3, '', 'any string')
  
      def test_invoke(self):
          success = []
          def cb_test():
              success.append(1)
              return "cb test called"
  
          cbtn = ttk.Checkbutton(self.root, command=cb_test)
          # the variable automatically created by ttk.Checkbutton is actually
          # undefined till we invoke the Checkbutton
          self.assertEqual(cbtn.state(), ('alternate', ))
          self.assertRaises(tkinter.TclError, cbtn.tk.globalgetvar,
              cbtn['variable'])
  
          res = cbtn.invoke()
          self.assertEqual(res, "cb test called")
          self.assertEqual(cbtn['onvalue'],
              cbtn.tk.globalgetvar(cbtn['variable']))
          self.assertTrue(success)
  
          cbtn['command'] = ''
          res = cbtn.invoke()
          self.assertFalse(str(res))
          self.assertLessEqual(len(success), 1)
          self.assertEqual(cbtn['offvalue'],
              cbtn.tk.globalgetvar(cbtn['variable']))
  
  
  @add_standard_options(IntegerSizeTests, StandardTtkOptionsTests)
  class EntryTest(AbstractWidgetTest, unittest.TestCase):
      OPTIONS = (
          'background', 'class', 'cursor',
          'exportselection', 'font', 'foreground',
          'invalidcommand', 'justify',
          'show', 'state', 'style', 'takefocus', 'textvariable',
          'validate', 'validatecommand', 'width', 'xscrollcommand',
      )
  
      def setUp(self):
          super(EntryTest, self).setUp()
          self.entry = self.create()
  
      def create(self, **kwargs):
          return ttk.Entry(self.root, **kwargs)
  
      def test_invalidcommand(self):
          widget = self.create()
          self.checkCommandParam(widget, 'invalidcommand')
  
      def test_show(self):
          widget = self.create()
          self.checkParam(widget, 'show', '*')
          self.checkParam(widget, 'show', '')
          self.checkParam(widget, 'show', ' ')
  
      def test_state(self):
          widget = self.create()
          self.checkParams(widget, 'state',
                           'disabled', 'normal', 'readonly')
  
      def test_validate(self):
          widget = self.create()
          self.checkEnumParam(widget, 'validate',
                  'all', 'key', 'focus', 'focusin', 'focusout', 'none')
  
      def test_validatecommand(self):
          widget = self.create()
          self.checkCommandParam(widget, 'validatecommand')
  
  
      def test_bbox(self):
          self.assertIsBoundingBox(self.entry.bbox(0))
          self.assertRaises(tkinter.TclError, self.entry.bbox, 'noindex')
          self.assertRaises(tkinter.TclError, self.entry.bbox, None)
  
  
      def test_identify(self):
          self.entry.pack()
          self.entry.wait_visibility()
          self.entry.update_idletasks()
  
          self.assertEqual(self.entry.identify(5, 5), "textarea")
          self.assertEqual(self.entry.identify(-1, -1), "")
  
          self.assertRaises(tkinter.TclError, self.entry.identify, None, 5)
          self.assertRaises(tkinter.TclError, self.entry.identify, 5, None)
          self.assertRaises(tkinter.TclError, self.entry.identify, 5, '')
  
  
      def test_validation_options(self):
          success = []
          test_invalid = lambda: success.append(True)
  
          self.entry['validate'] = 'none'
          self.entry['validatecommand'] = lambda: False
  
          self.entry['invalidcommand'] = test_invalid
          self.entry.validate()
          self.assertTrue(success)
  
          self.entry['invalidcommand'] = ''
          self.entry.validate()
          self.assertEqual(len(success), 1)
  
          self.entry['invalidcommand'] = test_invalid
          self.entry['validatecommand'] = lambda: True
          self.entry.validate()
          self.assertEqual(len(success), 1)
  
          self.entry['validatecommand'] = ''
          self.entry.validate()
          self.assertEqual(len(success), 1)
  
          self.entry['validatecommand'] = True
          self.assertRaises(tkinter.TclError, self.entry.validate)
  
  
      def test_validation(self):
          validation = []
          def validate(to_insert):
              if not 'a' <= to_insert.lower() <= 'z':
                  validation.append(False)
                  return False
              validation.append(True)
              return True
  
          self.entry['validate'] = 'key'
          self.entry['validatecommand'] = self.entry.register(validate), '%S'
  
          self.entry.insert('end', 1)
          self.entry.insert('end', 'a')
          self.assertEqual(validation, [False, True])
          self.assertEqual(self.entry.get(), 'a')
  
  
      def test_revalidation(self):
          def validate(content):
              for letter in content:
                  if not 'a' <= letter.lower() <= 'z':
                      return False
              return True
  
          self.entry['validatecommand'] = self.entry.register(validate), '%P'
  
          self.entry.insert('end', 'avocado')
          self.assertEqual(self.entry.validate(), True)
          self.assertEqual(self.entry.state(), ())
  
          self.entry.delete(0, 'end')
          self.assertEqual(self.entry.get(), '')
  
          self.entry.insert('end', 'a1b')
          self.assertEqual(self.entry.validate(), False)
          self.assertEqual(self.entry.state(), ('invalid', ))
  
          self.entry.delete(1)
          self.assertEqual(self.entry.validate(), True)
          self.assertEqual(self.entry.state(), ())
  
  
  @add_standard_options(IntegerSizeTests, StandardTtkOptionsTests)
  class ComboboxTest(EntryTest, unittest.TestCase):
      OPTIONS = (
          'background', 'class', 'cursor', 'exportselection',
          'font', 'foreground', 'height', 'invalidcommand',
          'justify', 'postcommand', 'show', 'state', 'style',
          'takefocus', 'textvariable',
          'validate', 'validatecommand', 'values',
          'width', 'xscrollcommand',
      )
  
      def setUp(self):
          super(ComboboxTest, self).setUp()
          self.combo = self.create()
  
      def create(self, **kwargs):
          return ttk.Combobox(self.root, **kwargs)
  
      def test_height(self):
          widget = self.create()
          self.checkParams(widget, 'height', 100, 101.2, 102.6, -100, 0, '1i')
  
      def _show_drop_down_listbox(self):
          width = self.combo.winfo_width()
          self.combo.event_generate('<ButtonPress-1>', x=width - 5, y=5)
          self.combo.event_generate('<ButtonRelease-1>', x=width - 5, y=5)
          self.combo.update_idletasks()
  
  
      def test_virtual_event(self):
          success = []
  
          self.combo['values'] = [1]
          self.combo.bind('<<ComboboxSelected>>',
              lambda evt: success.append(True))
          self.combo.pack()
          self.combo.wait_visibility()
  
          height = self.combo.winfo_height()
          self._show_drop_down_listbox()
          self.combo.update()
          self.combo.event_generate('<Return>')
          self.combo.update()
  
          self.assertTrue(success)
  
  
      def test_postcommand(self):
          success = []
  
          self.combo['postcommand'] = lambda: success.append(True)
          self.combo.pack()
          self.combo.wait_visibility()
  
          self._show_drop_down_listbox()
          self.assertTrue(success)
  
          # testing postcommand removal
          self.combo['postcommand'] = ''
          self._show_drop_down_listbox()
          self.assertEqual(len(success), 1)
  
  
      def test_values(self):
          def check_get_current(getval, currval):
              self.assertEqual(self.combo.get(), getval)
              self.assertEqual(self.combo.current(), currval)
  
          self.assertEqual(self.combo['values'],
                           () if tcl_version < (8, 5) else '')
          check_get_current('', -1)
  
          self.checkParam(self.combo, 'values', 'mon tue wed thur',
                          expected=('mon', 'tue', 'wed', 'thur'))
          self.checkParam(self.combo, 'values', ('mon', 'tue', 'wed', 'thur'))
          self.checkParam(self.combo, 'values', (42, 3.14, '', 'any string'))
          self.checkParam(self.combo, 'values', () if tcl_version < (8, 5) else '')
  
          self.combo['values'] = ['a', 1, 'c']
  
          self.combo.set('c')
          check_get_current('c', 2)
  
          self.combo.current(0)
          check_get_current('a', 0)
  
          self.combo.set('d')
          check_get_current('d', -1)
  
          # testing values with empty string
          self.combo.set('')
          self.combo['values'] = (1, 2, '', 3)
          check_get_current('', 2)
  
          # testing values with empty string set through configure
          self.combo.configure(values=[1, '', 2])
          self.assertEqual(self.combo['values'],
                           ('1', '', '2') if self.wantobjects else
                           '1 {} 2')
  
          # testing values with spaces
          self.combo['values'] = ['a b', 'a\tb', 'a\nb']
          self.assertEqual(self.combo['values'],
                           ('a b', 'a\tb', 'a\nb') if self.wantobjects else
                           '{a b} {a\tb} {a\nb}')
  
          # testing values with special characters
          self.combo['values'] = [r'a\tb', '"a"', '} {']
          self.assertEqual(self.combo['values'],
                           (r'a\tb', '"a"', '} {') if self.wantobjects else
                           r'a\\tb {"a"} \}\ \{')
  
          # out of range
          self.assertRaises(tkinter.TclError, self.combo.current,
              len(self.combo['values']))
          # it expects an integer (or something that can be converted to int)
          self.assertRaises(tkinter.TclError, self.combo.current, '')
  
          # testing creating combobox with empty string in values
          combo2 = ttk.Combobox(self.root, values=[1, 2, ''])
          self.assertEqual(combo2['values'],
                           ('1', '2', '') if self.wantobjects else '1 2 {}')
          combo2.destroy()
  
  
  @add_standard_options(IntegerSizeTests, StandardTtkOptionsTests)
  class PanedWindowTest(AbstractWidgetTest, unittest.TestCase):
      OPTIONS = (
          'class', 'cursor', 'height',
          'orient', 'style', 'takefocus', 'width',
      )
  
      def setUp(self):
          super(PanedWindowTest, self).setUp()
          self.paned = self.create()
  
      def create(self, **kwargs):
          return ttk.PanedWindow(self.root, **kwargs)
  
      def test_orient(self):
          widget = self.create()
          self.assertEqual(str(widget['orient']), 'vertical')
          errmsg='attempt to change read-only option'
          if get_tk_patchlevel() < (8, 6, 0, 'beta', 3):
              errmsg='Attempt to change read-only option'
          self.checkInvalidParam(widget, 'orient', 'horizontal',
                  errmsg=errmsg)
          widget2 = self.create(orient='horizontal')
          self.assertEqual(str(widget2['orient']), 'horizontal')
  
      def test_add(self):
          # attempt to add a child that is not a direct child of the paned window
          label = ttk.Label(self.paned)
          child = ttk.Label(label)
          self.assertRaises(tkinter.TclError, self.paned.add, child)
          label.destroy()
          child.destroy()
          # another attempt
          label = ttk.Label(self.root)
          child = ttk.Label(label)
          self.assertRaises(tkinter.TclError, self.paned.add, child)
          child.destroy()
          label.destroy()
  
          good_child = ttk.Label(self.root)
          self.paned.add(good_child)
          # re-adding a child is not accepted
          self.assertRaises(tkinter.TclError, self.paned.add, good_child)
  
          other_child = ttk.Label(self.paned)
          self.paned.add(other_child)
          self.assertEqual(self.paned.pane(0), self.paned.pane(1))
          self.assertRaises(tkinter.TclError, self.paned.pane, 2)
          good_child.destroy()
          other_child.destroy()
          self.assertRaises(tkinter.TclError, self.paned.pane, 0)
  
  
      def test_forget(self):
          self.assertRaises(tkinter.TclError, self.paned.forget, None)
          self.assertRaises(tkinter.TclError, self.paned.forget, 0)
  
          self.paned.add(ttk.Label(self.root))
          self.paned.forget(0)
          self.assertRaises(tkinter.TclError, self.paned.forget, 0)
  
  
      def test_insert(self):
          self.assertRaises(tkinter.TclError, self.paned.insert, None, 0)
          self.assertRaises(tkinter.TclError, self.paned.insert, 0, None)
          self.assertRaises(tkinter.TclError, self.paned.insert, 0, 0)
  
          child = ttk.Label(self.root)
          child2 = ttk.Label(self.root)
          child3 = ttk.Label(self.root)
  
          self.assertRaises(tkinter.TclError, self.paned.insert, 0, child)
  
          self.paned.insert('end', child2)
          self.paned.insert(0, child)
          self.assertEqual(self.paned.panes(), (str(child), str(child2)))
  
          self.paned.insert(0, child2)
          self.assertEqual(self.paned.panes(), (str(child2), str(child)))
  
          self.paned.insert('end', child3)
          self.assertEqual(self.paned.panes(),
              (str(child2), str(child), str(child3)))
  
          # reinserting a child should move it to its current position
          panes = self.paned.panes()
          self.paned.insert('end', child3)
          self.assertEqual(panes, self.paned.panes())
  
          # moving child3 to child2 position should result in child2 ending up
          # in previous child position and child ending up in previous child3
          # position
          self.paned.insert(child2, child3)
          self.assertEqual(self.paned.panes(),
              (str(child3), str(child2), str(child)))
  
  
      def test_pane(self):
          self.assertRaises(tkinter.TclError, self.paned.pane, 0)
  
          child = ttk.Label(self.root)
          self.paned.add(child)
          self.assertIsInstance(self.paned.pane(0), dict)
          self.assertEqual(self.paned.pane(0, weight=None),
                           0 if self.wantobjects else '0')
          # newer form for querying a single option
          self.assertEqual(self.paned.pane(0, 'weight'),
                           0 if self.wantobjects else '0')
          self.assertEqual(self.paned.pane(0), self.paned.pane(str(child)))
  
          self.assertRaises(tkinter.TclError, self.paned.pane, 0,
              badoption='somevalue')
  
  
      def test_sashpos(self):
          self.assertRaises(tkinter.TclError, self.paned.sashpos, None)
          self.assertRaises(tkinter.TclError, self.paned.sashpos, '')
          self.assertRaises(tkinter.TclError, self.paned.sashpos, 0)
  
          child = ttk.Label(self.paned, text='a')
          self.paned.add(child, weight=1)
          self.assertRaises(tkinter.TclError, self.paned.sashpos, 0)
          child2 = ttk.Label(self.paned, text='b')
          self.paned.add(child2)
          self.assertRaises(tkinter.TclError, self.paned.sashpos, 1)
  
          self.paned.pack(expand=True, fill='both')
          self.paned.wait_visibility()
  
          curr_pos = self.paned.sashpos(0)
          self.paned.sashpos(0, 1000)
          self.assertNotEqual(curr_pos, self.paned.sashpos(0))
          self.assertIsInstance(self.paned.sashpos(0), int)
  
  
  @add_standard_options(StandardTtkOptionsTests)
  class RadiobuttonTest(AbstractLabelTest, unittest.TestCase):
      OPTIONS = (
          'class', 'command', 'compound', 'cursor',
          'image',
          'padding', 'state', 'style',
          'takefocus', 'text', 'textvariable',
          'underline', 'value', 'variable', 'width',
      )
  
      def create(self, **kwargs):
          return ttk.Radiobutton(self.root, **kwargs)
  
      def test_value(self):
          widget = self.create()
          self.checkParams(widget, 'value', 1, 2.3, '', 'any string')
  
      def test_invoke(self):
          success = []
          def cb_test():
              success.append(1)
              return "cb test called"
  
          myvar = tkinter.IntVar(self.root)
          cbtn = ttk.Radiobutton(self.root, command=cb_test,
                                 variable=myvar, value=0)
          cbtn2 = ttk.Radiobutton(self.root, command=cb_test,
                                  variable=myvar, value=1)
  
          if self.wantobjects:
              conv = lambda x: x
          else:
              conv = int
  
          res = cbtn.invoke()
          self.assertEqual(res, "cb test called")
          self.assertEqual(conv(cbtn['value']), myvar.get())
          self.assertEqual(myvar.get(),
              conv(cbtn.tk.globalgetvar(cbtn['variable'])))
          self.assertTrue(success)
  
          cbtn2['command'] = ''
          res = cbtn2.invoke()
          self.assertEqual(str(res), '')
          self.assertLessEqual(len(success), 1)
          self.assertEqual(conv(cbtn2['value']), myvar.get())
          self.assertEqual(myvar.get(),
              conv(cbtn.tk.globalgetvar(cbtn['variable'])))
  
          self.assertEqual(str(cbtn['variable']), str(cbtn2['variable']))
  
  
  class MenubuttonTest(AbstractLabelTest, unittest.TestCase):
      OPTIONS = (
          'class', 'compound', 'cursor', 'direction',
          'image', 'menu', 'padding', 'state', 'style',
          'takefocus', 'text', 'textvariable',
          'underline', 'width',
      )
  
      def create(self, **kwargs):
          return ttk.Menubutton(self.root, **kwargs)
  
      def test_direction(self):
          widget = self.create()
          self.checkEnumParam(widget, 'direction',
                  'above', 'below', 'left', 'right', 'flush')
  
      def test_menu(self):
          widget = self.create()
          menu = tkinter.Menu(widget, name='menu')
          self.checkParam(widget, 'menu', menu, conv=str)
          menu.destroy()
  
  
  @add_standard_options(StandardTtkOptionsTests)
  class ScaleTest(AbstractWidgetTest, unittest.TestCase):
      OPTIONS = (
          'class', 'command', 'cursor', 'from', 'length',
          'orient', 'style', 'takefocus', 'to', 'value', 'variable',
      )
      _conv_pixels = noconv_meth
      default_orient = 'horizontal'
  
      def setUp(self):
          super(ScaleTest, self).setUp()
          self.scale = self.create()
          self.scale.pack()
          self.scale.update()
  
      def create(self, **kwargs):
          return ttk.Scale(self.root, **kwargs)
  
      def test_from(self):
          widget = self.create()
          self.checkFloatParam(widget, 'from', 100, 14.9, 15.1, conv=False)
  
      def test_length(self):
          widget = self.create()
          self.checkPixelsParam(widget, 'length', 130, 131.2, 135.6, '5i')
  
      def test_to(self):
          widget = self.create()
          self.checkFloatParam(widget, 'to', 300, 14.9, 15.1, -10, conv=False)
  
      def test_value(self):
          widget = self.create()
          self.checkFloatParam(widget, 'value', 300, 14.9, 15.1, -10, conv=False)
  
      def test_custom_event(self):
          failure = [1, 1, 1] # will need to be empty
  
          funcid = self.scale.bind('<<RangeChanged>>', lambda evt: failure.pop())
  
          self.scale['from'] = 10
          self.scale['from_'] = 10
          self.scale['to'] = 3
  
          self.assertFalse(failure)
  
          failure = [1, 1, 1]
          self.scale.configure(from_=2, to=5)
          self.scale.configure(from_=0, to=-2)
          self.scale.configure(to=10)
  
          self.assertFalse(failure)
  
  
      def test_get(self):
          if self.wantobjects:
              conv = lambda x: x
          else:
              conv = float
  
          scale_width = self.scale.winfo_width()
          self.assertEqual(self.scale.get(scale_width, 0), self.scale['to'])
  
          self.assertEqual(conv(self.scale.get(0, 0)), conv(self.scale['from']))
          self.assertEqual(self.scale.get(), self.scale['value'])
          self.scale['value'] = 30
          self.assertEqual(self.scale.get(), self.scale['value'])
  
          self.assertRaises(tkinter.TclError, self.scale.get, '', 0)
          self.assertRaises(tkinter.TclError, self.scale.get, 0, '')
  
  
      def test_set(self):
          if self.wantobjects:
              conv = lambda x: x
          else:
              conv = float
  
          # set restricts the max/min values according to the current range
          max = conv(self.scale['to'])
          new_max = max + 10
          self.scale.set(new_max)
          self.assertEqual(conv(self.scale.get()), max)
          min = conv(self.scale['from'])
          self.scale.set(min - 1)
          self.assertEqual(conv(self.scale.get()), min)
  
          # changing directly the variable doesn't impose this limitation tho
          var = tkinter.DoubleVar(self.root)
          self.scale['variable'] = var
          var.set(max + 5)
          self.assertEqual(conv(self.scale.get()), var.get())
          self.assertEqual(conv(self.scale.get()), max + 5)
          del var
  
          # the same happens with the value option
          self.scale['value'] = max + 10
          self.assertEqual(conv(self.scale.get()), max + 10)
          self.assertEqual(conv(self.scale.get()), conv(self.scale['value']))
  
          # nevertheless, note that the max/min values we can get specifying
          # x, y coords are the ones according to the current range
          self.assertEqual(conv(self.scale.get(0, 0)), min)
          self.assertEqual(conv(self.scale.get(self.scale.winfo_width(), 0)), max)
  
          self.assertRaises(tkinter.TclError, self.scale.set, None)
  
  
  @add_standard_options(StandardTtkOptionsTests)
  class ProgressbarTest(AbstractWidgetTest, unittest.TestCase):
      OPTIONS = (
          'class', 'cursor', 'orient', 'length',
          'mode', 'maximum', 'phase',
          'style', 'takefocus', 'value', 'variable',
      )
      _conv_pixels = noconv_meth
      default_orient = 'horizontal'
  
      def create(self, **kwargs):
          return ttk.Progressbar(self.root, **kwargs)
  
      def test_length(self):
          widget = self.create()
          self.checkPixelsParam(widget, 'length', 100.1, 56.7, '2i')
  
      def test_maximum(self):
          widget = self.create()
          self.checkFloatParam(widget, 'maximum', 150.2, 77.7, 0, -10, conv=False)
  
      def test_mode(self):
          widget = self.create()
          self.checkEnumParam(widget, 'mode', 'determinate', 'indeterminate')
  
      def test_phase(self):
          # XXX
          pass
  
      def test_value(self):
          widget = self.create()
          self.checkFloatParam(widget, 'value', 150.2, 77.7, 0, -10,
                               conv=False)
  
  
  @unittest.skipIf(sys.platform == 'darwin',
                   'ttk.Scrollbar is special on MacOSX')
  @add_standard_options(StandardTtkOptionsTests)
  class ScrollbarTest(AbstractWidgetTest, unittest.TestCase):
      OPTIONS = (
          'class', 'command', 'cursor', 'orient', 'style', 'takefocus',
      )
      default_orient = 'vertical'
  
      def create(self, **kwargs):
          return ttk.Scrollbar(self.root, **kwargs)
  
  
  @add_standard_options(IntegerSizeTests, StandardTtkOptionsTests)
  class NotebookTest(AbstractWidgetTest, unittest.TestCase):
      OPTIONS = (
          'class', 'cursor', 'height', 'padding', 'style', 'takefocus', 'width',
      )
  
      def setUp(self):
          super(NotebookTest, self).setUp()
          self.nb = self.create(padding=0)
          self.child1 = ttk.Label(self.root)
          self.child2 = ttk.Label(self.root)
          self.nb.add(self.child1, text='a')
          self.nb.add(self.child2, text='b')
  
      def create(self, **kwargs):
          return ttk.Notebook(self.root, **kwargs)
  
      def test_tab_identifiers(self):
          self.nb.forget(0)
          self.nb.hide(self.child2)
          self.assertRaises(tkinter.TclError, self.nb.tab, self.child1)
          self.assertEqual(self.nb.index('end'), 1)
          self.nb.add(self.child2)
          self.assertEqual(self.nb.index('end'), 1)
          self.nb.select(self.child2)
  
          self.assertTrue(self.nb.tab('current'))
          self.nb.add(self.child1, text='a')
  
          self.nb.pack()
          self.nb.wait_visibility()
          if sys.platform == 'darwin':
              tb_idx = "@20,5"
          else:
              tb_idx = "@5,5"
          self.assertEqual(self.nb.tab(tb_idx), self.nb.tab('current'))
  
          for i in range(5, 100, 5):
              try:
                  if self.nb.tab('@%d, 5' % i, text=None) == 'a':
                      break
              except tkinter.TclError:
                  pass
  
          else:
              self.fail("Tab with text 'a' not found")
  
  
      def test_add_and_hidden(self):
          self.assertRaises(tkinter.TclError, self.nb.hide, -1)
          self.assertRaises(tkinter.TclError, self.nb.hide, 'hi')
          self.assertRaises(tkinter.TclError, self.nb.hide, None)
          self.assertRaises(tkinter.TclError, self.nb.add, None)
          self.assertRaises(tkinter.TclError, self.nb.add, ttk.Label(self.root),
              unknown='option')
  
          tabs = self.nb.tabs()
          self.nb.hide(self.child1)
          self.nb.add(self.child1)
          self.assertEqual(self.nb.tabs(), tabs)
  
          child = ttk.Label(self.root)
          self.nb.add(child, text='c')
          tabs = self.nb.tabs()
  
          curr = self.nb.index('current')
          # verify that the tab gets readded at its previous position
          child2_index = self.nb.index(self.child2)
          self.nb.hide(self.child2)
          self.nb.add(self.child2)
          self.assertEqual(self.nb.tabs(), tabs)
          self.assertEqual(self.nb.index(self.child2), child2_index)
          self.assertEqual(str(self.child2), self.nb.tabs()[child2_index])
          # but the tab next to it (not hidden) is the one selected now
          self.assertEqual(self.nb.index('current'), curr + 1)
  
  
      def test_forget(self):
          self.assertRaises(tkinter.TclError, self.nb.forget, -1)
          self.assertRaises(tkinter.TclError, self.nb.forget, 'hi')
          self.assertRaises(tkinter.TclError, self.nb.forget, None)
  
          tabs = self.nb.tabs()
          child1_index = self.nb.index(self.child1)
          self.nb.forget(self.child1)
          self.assertNotIn(str(self.child1), self.nb.tabs())
          self.assertEqual(len(tabs) - 1, len(self.nb.tabs()))
  
          self.nb.add(self.child1)
          self.assertEqual(self.nb.index(self.child1), 1)
          self.assertNotEqual(child1_index, self.nb.index(self.child1))
  
  
      def test_index(self):
          self.assertRaises(tkinter.TclError, self.nb.index, -1)
          self.assertRaises(tkinter.TclError, self.nb.index, None)
  
          self.assertIsInstance(self.nb.index('end'), int)
          self.assertEqual(self.nb.index(self.child1), 0)
          self.assertEqual(self.nb.index(self.child2), 1)
          self.assertEqual(self.nb.index('end'), 2)
  
  
      def test_insert(self):
          # moving tabs
          tabs = self.nb.tabs()
          self.nb.insert(1, tabs[0])
          self.assertEqual(self.nb.tabs(), (tabs[1], tabs[0]))
          self.nb.insert(self.child1, self.child2)
          self.assertEqual(self.nb.tabs(), tabs)
          self.nb.insert('end', self.child1)
          self.assertEqual(self.nb.tabs(), (tabs[1], tabs[0]))
          self.nb.insert('end', 0)
          self.assertEqual(self.nb.tabs(), tabs)
          # bad moves
          self.assertRaises(tkinter.TclError, self.nb.insert, 2, tabs[0])
          self.assertRaises(tkinter.TclError, self.nb.insert, -1, tabs[0])
  
          # new tab
          child3 = ttk.Label(self.root)
          self.nb.insert(1, child3)
          self.assertEqual(self.nb.tabs(), (tabs[0], str(child3), tabs[1]))
          self.nb.forget(child3)
          self.assertEqual(self.nb.tabs(), tabs)
          self.nb.insert(self.child1, child3)
          self.assertEqual(self.nb.tabs(), (str(child3), ) + tabs)
          self.nb.forget(child3)
          self.assertRaises(tkinter.TclError, self.nb.insert, 2, child3)
          self.assertRaises(tkinter.TclError, self.nb.insert, -1, child3)
  
          # bad inserts
          self.assertRaises(tkinter.TclError, self.nb.insert, 'end', None)
          self.assertRaises(tkinter.TclError, self.nb.insert, None, 0)
          self.assertRaises(tkinter.TclError, self.nb.insert, None, None)
  
  
      def test_select(self):
          self.nb.pack()
          self.nb.wait_visibility()
  
          success = []
          tab_changed = []
  
          self.child1.bind('<Unmap>', lambda evt: success.append(True))
          self.nb.bind('<<NotebookTabChanged>>',
              lambda evt: tab_changed.append(True))
  
          self.assertEqual(self.nb.select(), str(self.child1))
          self.nb.select(self.child2)
          self.assertTrue(success)
          self.assertEqual(self.nb.select(), str(self.child2))
  
          self.nb.update()
          self.assertTrue(tab_changed)
  
  
      def test_tab(self):
          self.assertRaises(tkinter.TclError, self.nb.tab, -1)
          self.assertRaises(tkinter.TclError, self.nb.tab, 'notab')
          self.assertRaises(tkinter.TclError, self.nb.tab, None)
  
          self.assertIsInstance(self.nb.tab(self.child1), dict)
          self.assertEqual(self.nb.tab(self.child1, text=None), 'a')
          # newer form for querying a single option
          self.assertEqual(self.nb.tab(self.child1, 'text'), 'a')
          self.nb.tab(self.child1, text='abc')
          self.assertEqual(self.nb.tab(self.child1, text=None), 'abc')
          self.assertEqual(self.nb.tab(self.child1, 'text'), 'abc')
  
  
      def test_tabs(self):
          self.assertEqual(len(self.nb.tabs()), 2)
  
          self.nb.forget(self.child1)
          self.nb.forget(self.child2)
  
          self.assertEqual(self.nb.tabs(), ())
  
  
      def test_traversal(self):
          self.nb.pack()
          self.nb.wait_visibility()
  
          self.nb.select(0)
  
          simulate_mouse_click(self.nb, 5, 5)
          self.nb.focus_force()
          self.nb.event_generate('<Control-Tab>')
          self.assertEqual(self.nb.select(), str(self.child2))
          self.nb.focus_force()
          self.nb.event_generate('<Shift-Control-Tab>')
          self.assertEqual(self.nb.select(), str(self.child1))
          self.nb.focus_force()
          self.nb.event_generate('<Shift-Control-Tab>')
          self.assertEqual(self.nb.select(), str(self.child2))
  
          self.nb.tab(self.child1, text='a', underline=0)
          self.nb.enable_traversal()
          self.nb.focus_force()
          simulate_mouse_click(self.nb, 5, 5)
          if sys.platform == 'darwin':
              self.nb.event_generate('<Option-a>')
          else:
              self.nb.event_generate('<Alt-a>')
          self.assertEqual(self.nb.select(), str(self.child1))
  
  
  @add_standard_options(StandardTtkOptionsTests)
  class TreeviewTest(AbstractWidgetTest, unittest.TestCase):
      OPTIONS = (
          'class', 'columns', 'cursor', 'displaycolumns',
          'height', 'padding', 'selectmode', 'show',
          'style', 'takefocus', 'xscrollcommand', 'yscrollcommand',
      )
  
      def setUp(self):
          super(TreeviewTest, self).setUp()
          self.tv = self.create(padding=0)
  
      def create(self, **kwargs):
          return ttk.Treeview(self.root, **kwargs)
  
      def test_columns(self):
          widget = self.create()
          self.checkParam(widget, 'columns', 'a b c',
                          expected=('a', 'b', 'c'))
          self.checkParam(widget, 'columns', ('a', 'b', 'c'))
          self.checkParam(widget, 'columns', () if tcl_version < (8, 5) else '')
  
      def test_displaycolumns(self):
          widget = self.create()
          widget['columns'] = ('a', 'b', 'c')
          self.checkParam(widget, 'displaycolumns', 'b a c',
                          expected=('b', 'a', 'c'))
          self.checkParam(widget, 'displaycolumns', ('b', 'a', 'c'))
          self.checkParam(widget, 'displaycolumns', '#all',
                          expected=('#all',))
          self.checkParam(widget, 'displaycolumns', (2, 1, 0))
          self.checkInvalidParam(widget, 'displaycolumns', ('a', 'b', 'd'),
                                 errmsg='Invalid column index d')
          self.checkInvalidParam(widget, 'displaycolumns', (1, 2, 3),
                                 errmsg='Column index 3 out of bounds')
          self.checkInvalidParam(widget, 'displaycolumns', (1, -2),
                                 errmsg='Column index -2 out of bounds')
  
      def test_height(self):
          widget = self.create()
          self.checkPixelsParam(widget, 'height', 100, -100, 0, '3c', conv=False)
          self.checkPixelsParam(widget, 'height', 101.2, 102.6, conv=noconv)
  
      def test_selectmode(self):
          widget = self.create()
          self.checkEnumParam(widget, 'selectmode',
                              'none', 'browse', 'extended')
  
      def test_show(self):
          widget = self.create()
          self.checkParam(widget, 'show', 'tree headings',
                          expected=('tree', 'headings'))
          self.checkParam(widget, 'show', ('tree', 'headings'))
          self.checkParam(widget, 'show', ('headings', 'tree'))
          self.checkParam(widget, 'show', 'tree', expected=('tree',))
          self.checkParam(widget, 'show', 'headings', expected=('headings',))
  
      def test_bbox(self):
          self.tv.pack()
          self.assertEqual(self.tv.bbox(''), '')
          self.tv.wait_visibility()
          self.tv.update()
  
          item_id = self.tv.insert('', 'end')
          children = self.tv.get_children()
          self.assertTrue(children)
  
          bbox = self.tv.bbox(children[0])
          self.assertIsBoundingBox(bbox)
  
          # compare width in bboxes
          self.tv['columns'] = ['test']
          self.tv.column('test', width=50)
          bbox_column0 = self.tv.bbox(children[0], 0)
          root_width = self.tv.column('#0', width=None)
          if not self.wantobjects:
              root_width = int(root_width)
          self.assertEqual(bbox_column0[0], bbox[0] + root_width)
  
          # verify that bbox of a closed item is the empty string
          child1 = self.tv.insert(item_id, 'end')
          self.assertEqual(self.tv.bbox(child1), '')
  
  
      def test_children(self):
          # no children yet, should get an empty tuple
          self.assertEqual(self.tv.get_children(), ())
  
          item_id = self.tv.insert('', 'end')
          self.assertIsInstance(self.tv.get_children(), tuple)
          self.assertEqual(self.tv.get_children()[0], item_id)
  
          # add item_id and child3 as children of child2
          child2 = self.tv.insert('', 'end')
          child3 = self.tv.insert('', 'end')
          self.tv.set_children(child2, item_id, child3)
          self.assertEqual(self.tv.get_children(child2), (item_id, child3))
  
          # child3 has child2 as parent, thus trying to set child2 as a children
          # of child3 should result in an error
          self.assertRaises(tkinter.TclError,
              self.tv.set_children, child3, child2)
  
          # remove child2 children
          self.tv.set_children(child2)
          self.assertEqual(self.tv.get_children(child2), ())
  
          # remove root's children
          self.tv.set_children('')
          self.assertEqual(self.tv.get_children(), ())
  
  
      def test_column(self):
          # return a dict with all options/values
          self.assertIsInstance(self.tv.column('#0'), dict)
          # return a single value of the given option
          if self.wantobjects:
              self.assertIsInstance(self.tv.column('#0', width=None), int)
          # set a new value for an option
          self.tv.column('#0', width=10)
          # testing new way to get option value
          self.assertEqual(self.tv.column('#0', 'width'),
                           10 if self.wantobjects else '10')
          self.assertEqual(self.tv.column('#0', width=None),
                           10 if self.wantobjects else '10')
          # check read-only option
          self.assertRaises(tkinter.TclError, self.tv.column, '#0', id='X')
  
          self.assertRaises(tkinter.TclError, self.tv.column, 'invalid')
          invalid_kws = [
              {'unknown_option': 'some value'},  {'stretch': 'wrong'},
              {'anchor': 'wrong'}, {'width': 'wrong'}, {'minwidth': 'wrong'}
          ]
          for kw in invalid_kws:
              self.assertRaises(tkinter.TclError, self.tv.column, '#0',
                  **kw)
  
  
      def test_delete(self):
          self.assertRaises(tkinter.TclError, self.tv.delete, '#0')
  
          item_id = self.tv.insert('', 'end')
          item2 = self.tv.insert(item_id, 'end')
          self.assertEqual(self.tv.get_children(), (item_id, ))
          self.assertEqual(self.tv.get_children(item_id), (item2, ))
  
          self.tv.delete(item_id)
          self.assertFalse(self.tv.get_children())
  
          # reattach should fail
          self.assertRaises(tkinter.TclError,
              self.tv.reattach, item_id, '', 'end')
  
          # test multiple item delete
          item1 = self.tv.insert('', 'end')
          item2 = self.tv.insert('', 'end')
          self.assertEqual(self.tv.get_children(), (item1, item2))
  
          self.tv.delete(item1, item2)
          self.assertFalse(self.tv.get_children())
  
  
      def test_detach_reattach(self):
          item_id = self.tv.insert('', 'end')
          item2 = self.tv.insert(item_id, 'end')
  
          # calling detach without items is valid, although it does nothing
          prev = self.tv.get_children()
          self.tv.detach() # this should do nothing
          self.assertEqual(prev, self.tv.get_children())
  
          self.assertEqual(self.tv.get_children(), (item_id, ))
          self.assertEqual(self.tv.get_children(item_id), (item2, ))
  
          # detach item with children
          self.tv.detach(item_id)
          self.assertFalse(self.tv.get_children())
  
          # reattach item with children
          self.tv.reattach(item_id, '', 'end')
          self.assertEqual(self.tv.get_children(), (item_id, ))
          self.assertEqual(self.tv.get_children(item_id), (item2, ))
  
          # move a children to the root
          self.tv.move(item2, '', 'end')
          self.assertEqual(self.tv.get_children(), (item_id, item2))
          self.assertEqual(self.tv.get_children(item_id), ())
  
          # bad values
          self.assertRaises(tkinter.TclError,
              self.tv.reattach, 'nonexistent', '', 'end')
          self.assertRaises(tkinter.TclError,
              self.tv.detach, 'nonexistent')
          self.assertRaises(tkinter.TclError,
              self.tv.reattach, item2, 'otherparent', 'end')
          self.assertRaises(tkinter.TclError,
              self.tv.reattach, item2, '', 'invalid')
  
          # multiple detach
          self.tv.detach(item_id, item2)
          self.assertEqual(self.tv.get_children(), ())
          self.assertEqual(self.tv.get_children(item_id), ())
  
  
      def test_exists(self):
          self.assertEqual(self.tv.exists('something'), False)
          self.assertEqual(self.tv.exists(''), True)
          self.assertEqual(self.tv.exists({}), False)
  
          # the following will make a tk.call equivalent to
          # tk.call(treeview, "exists") which should result in an error
          # in the tcl interpreter since tk requires an item.
          self.assertRaises(tkinter.TclError, self.tv.exists, None)
  
  
      def test_focus(self):
          # nothing is focused right now
          self.assertEqual(self.tv.focus(), '')
  
          item1 = self.tv.insert('', 'end')
          self.tv.focus(item1)
          self.assertEqual(self.tv.focus(), item1)
  
          self.tv.delete(item1)
          self.assertEqual(self.tv.focus(), '')
  
          # try focusing inexistent item
          self.assertRaises(tkinter.TclError, self.tv.focus, 'hi')
  
  
      def test_heading(self):
          # check a dict is returned
          self.assertIsInstance(self.tv.heading('#0'), dict)
  
          # check a value is returned
          self.tv.heading('#0', text='hi')
          self.assertEqual(self.tv.heading('#0', 'text'), 'hi')
          self.assertEqual(self.tv.heading('#0', text=None), 'hi')
  
          # invalid option
          self.assertRaises(tkinter.TclError, self.tv.heading, '#0',
              background=None)
          # invalid value
          self.assertRaises(tkinter.TclError, self.tv.heading, '#0',
              anchor=1)
  
      def test_heading_callback(self):
          def simulate_heading_click(x, y):
              simulate_mouse_click(self.tv, x, y)
              self.tv.update()
  
          success = [] # no success for now
  
          self.tv.pack()
          self.tv.wait_visibility()
          self.tv.heading('#0', command=lambda: success.append(True))
          self.tv.column('#0', width=100)
          self.tv.update()
  
          # assuming that the coords (5, 5) fall into heading #0
          simulate_heading_click(5, 5)
          if not success:
              self.fail("The command associated to the treeview heading wasn't "
                  "invoked.")
  
          success = []
          commands = self.tv.master._tclCommands
          self.tv.heading('#0', command=str(self.tv.heading('#0', command=None)))
          self.assertEqual(commands, self.tv.master._tclCommands)
          simulate_heading_click(5, 5)
          if not success:
              self.fail("The command associated to the treeview heading wasn't "
                  "invoked.")
  
          # XXX The following raises an error in a tcl interpreter, but not in
          # Python
          #self.tv.heading('#0', command='I dont exist')
          #simulate_heading_click(5, 5)
  
  
      def test_index(self):
          # item 'what' doesn't exist
          self.assertRaises(tkinter.TclError, self.tv.index, 'what')
  
          self.assertEqual(self.tv.index(''), 0)
  
          item1 = self.tv.insert('', 'end')
          item2 = self.tv.insert('', 'end')
          c1 = self.tv.insert(item1, 'end')
          c2 = self.tv.insert(item1, 'end')
          self.assertEqual(self.tv.index(item1), 0)
          self.assertEqual(self.tv.index(c1), 0)
          self.assertEqual(self.tv.index(c2), 1)
          self.assertEqual(self.tv.index(item2), 1)
  
          self.tv.move(item2, '', 0)
          self.assertEqual(self.tv.index(item2), 0)
          self.assertEqual(self.tv.index(item1), 1)
  
          # check that index still works even after its parent and siblings
          # have been detached
          self.tv.detach(item1)
          self.assertEqual(self.tv.index(c2), 1)
          self.tv.detach(c1)
          self.assertEqual(self.tv.index(c2), 0)
  
          # but it fails after item has been deleted
          self.tv.delete(item1)
          self.assertRaises(tkinter.TclError, self.tv.index, c2)
  
  
      def test_insert_item(self):
          # parent 'none' doesn't exist
          self.assertRaises(tkinter.TclError, self.tv.insert, 'none', 'end')
  
          # open values
          self.assertRaises(tkinter.TclError, self.tv.insert, '', 'end',
              open='')
          self.assertRaises(tkinter.TclError, self.tv.insert, '', 'end',
              open='please')
          self.assertFalse(self.tv.delete(self.tv.insert('', 'end', open=True)))
          self.assertFalse(self.tv.delete(self.tv.insert('', 'end', open=False)))
  
          # invalid index
          self.assertRaises(tkinter.TclError, self.tv.insert, '', 'middle')
  
          # trying to duplicate item id is invalid
          itemid = self.tv.insert('', 'end', 'first-item')
          self.assertEqual(itemid, 'first-item')
          self.assertRaises(tkinter.TclError, self.tv.insert, '', 'end',
              'first-item')
          self.assertRaises(tkinter.TclError, self.tv.insert, '', 'end',
              MockTclObj('first-item'))
  
          # unicode values
          value = u'\xe1ba'
          item = self.tv.insert('', 'end', values=(value, ))
          self.assertEqual(self.tv.item(item, 'values'),
                           (value,) if self.wantobjects else value)
          self.assertEqual(self.tv.item(item, values=None),
                           (value,) if self.wantobjects else value)
  
          self.tv.item(item, values=self.root.splitlist(self.tv.item(item, values=None)))
          self.assertEqual(self.tv.item(item, values=None),
                           (value,) if self.wantobjects else value)
  
          self.assertIsInstance(self.tv.item(item), dict)
  
          # erase item values
          self.tv.item(item, values='')
          self.assertFalse(self.tv.item(item, values=None))
  
          # item tags
          item = self.tv.insert('', 'end', tags=[1, 2, value])
          self.assertEqual(self.tv.item(item, tags=None),
                           ('1', '2', value) if self.wantobjects else
                           '1 2 %s' % value)
          self.tv.item(item, tags=[])
          self.assertFalse(self.tv.item(item, tags=None))
          self.tv.item(item, tags=(1, 2))
          self.assertEqual(self.tv.item(item, tags=None),
                           ('1', '2') if self.wantobjects else '1 2')
  
          # values with spaces
          item = self.tv.insert('', 'end', values=('a b c',
              '%s %s' % (value, value)))
          self.assertEqual(self.tv.item(item, values=None),
              ('a b c', '%s %s' % (value, value)) if self.wantobjects else
              '{a b c} {%s %s}' % (value, value))
  
          # text
          self.assertEqual(self.tv.item(
              self.tv.insert('', 'end', text="Label here"), text=None),
              "Label here")
          self.assertEqual(self.tv.item(
              self.tv.insert('', 'end', text=value), text=None),
              value)
  
  
      def test_selection(self):
          # item 'none' doesn't exist
          self.assertRaises(tkinter.TclError, self.tv.selection_set, 'none')
          self.assertRaises(tkinter.TclError, self.tv.selection_add, 'none')
          self.assertRaises(tkinter.TclError, self.tv.selection_remove, 'none')
          self.assertRaises(tkinter.TclError, self.tv.selection_toggle, 'none')
  
          item1 = self.tv.insert('', 'end')
          item2 = self.tv.insert('', 'end')
          c1 = self.tv.insert(item1, 'end')
          c2 = self.tv.insert(item1, 'end')
          c3 = self.tv.insert(item1, 'end')
          self.assertEqual(self.tv.selection(), ())
  
          self.tv.selection_set((c1, item2))
          self.assertEqual(self.tv.selection(), (c1, item2))
          self.tv.selection_set(c2)
          self.assertEqual(self.tv.selection(), (c2,))
  
          self.tv.selection_add((c1, item2))
          self.assertEqual(self.tv.selection(), (c1, c2, item2))
          self.tv.selection_add(item1)
          self.assertEqual(self.tv.selection(), (item1, c1, c2, item2))
  
          self.tv.selection_remove((item1, c3))
          self.assertEqual(self.tv.selection(), (c1, c2, item2))
          self.tv.selection_remove(c2)
          self.assertEqual(self.tv.selection(), (c1, item2))
  
          self.tv.selection_toggle((c1, c3))
          self.assertEqual(self.tv.selection(), (c3, item2))
          self.tv.selection_toggle(item2)
          self.assertEqual(self.tv.selection(), (c3,))
  
          self.tv.insert('', 'end', id='with spaces')
          self.tv.selection_set('with spaces')
          self.assertEqual(self.tv.selection(), ('with spaces',))
  
          self.tv.insert('', 'end', id='{brace')
          self.tv.selection_set('{brace')
          self.assertEqual(self.tv.selection(), ('{brace',))
  
          if have_unicode:
              self.tv.insert('', 'end', id=u(r'unicode\u20ac'))
              self.tv.selection_set(u(r'unicode\u20ac'))
              self.assertEqual(self.tv.selection(), (u(r'unicode\u20ac'),))
  
          self.tv.insert('', 'end', id='bytes\xe2\x82\xac')
          self.tv.selection_set('bytes\xe2\x82\xac')
          self.assertEqual(self.tv.selection(),
                           (u(r'bytes\u20ac') if have_unicode else
                            'bytes\xe2\x82\xac',))
  
  
      def test_set(self):
          self.tv['columns'] = ['A', 'B']
          item = self.tv.insert('', 'end', values=['a', 'b'])
          self.assertEqual(self.tv.set(item), {'A': 'a', 'B': 'b'})
  
          self.tv.set(item, 'B', 'a')
          self.assertEqual(self.tv.item(item, values=None),
                           ('a', 'a') if self.wantobjects else 'a a')
  
          self.tv['columns'] = ['B']
          self.assertEqual(self.tv.set(item), {'B': 'a'})
  
          self.tv.set(item, 'B', 'b')
          self.assertEqual(self.tv.set(item, column='B'), 'b')
          self.assertEqual(self.tv.item(item, values=None),
                           ('b', 'a') if self.wantobjects else 'b a')
  
          self.tv.set(item, 'B', 123)
          self.assertEqual(self.tv.set(item, 'B'),
                           123 if self.wantobjects else '123')
          self.assertEqual(self.tv.item(item, values=None),
                           (123, 'a') if self.wantobjects else '123 a')
          self.assertEqual(self.tv.set(item),
                           {'B': 123} if self.wantobjects else {'B': '123'})
  
          # inexistent column
          self.assertRaises(tkinter.TclError, self.tv.set, item, 'A')
          self.assertRaises(tkinter.TclError, self.tv.set, item, 'A', 'b')
  
          # inexistent item
          self.assertRaises(tkinter.TclError, self.tv.set, 'notme')
  
  
      def test_tag_bind(self):
          events = []
          item1 = self.tv.insert('', 'end', tags=['call'])
          item2 = self.tv.insert('', 'end', tags=['call'])
          self.tv.tag_bind('call', '<ButtonPress-1>',
              lambda evt: events.append(1))
          self.tv.tag_bind('call', '<ButtonRelease-1>',
              lambda evt: events.append(2))
  
          self.tv.pack()
          self.tv.wait_visibility()
          self.tv.update()
  
          pos_y = set()
          found = set()
          for i in range(0, 100, 10):
              if len(found) == 2: # item1 and item2 already found
                  break
              item_id = self.tv.identify_row(i)
              if item_id and item_id not in found:
                  pos_y.add(i)
                  found.add(item_id)
  
          self.assertEqual(len(pos_y), 2) # item1 and item2 y pos
          for y in pos_y:
              simulate_mouse_click(self.tv, 0, y)
  
          # by now there should be 4 things in the events list, since each
          # item had a bind for two events that were simulated above
          self.assertEqual(len(events), 4)
          for evt in zip(events[::2], events[1::2]):
              self.assertEqual(evt, (1, 2))
  
  
      def test_tag_configure(self):
          # Just testing parameter passing for now
          self.assertRaises(TypeError, self.tv.tag_configure)
          self.assertRaises(tkinter.TclError, self.tv.tag_configure,
              'test', sky='blue')
          self.tv.tag_configure('test', foreground='blue')
          self.assertEqual(str(self.tv.tag_configure('test', 'foreground')),
              'blue')
          self.assertEqual(str(self.tv.tag_configure('test', foreground=None)),
              'blue')
          self.assertIsInstance(self.tv.tag_configure('test'), dict)
  
      def test_tag_has(self):
          item1 = self.tv.insert('', 'end', text='Item 1', tags=['tag1'])
          item2 = self.tv.insert('', 'end', text='Item 2', tags=['tag2'])
          self.assertRaises(TypeError, self.tv.tag_has)
          self.assertRaises(TclError, self.tv.tag_has, 'tag1', 'non-existing')
          self.assertTrue(self.tv.tag_has('tag1', item1))
          self.assertFalse(self.tv.tag_has('tag1', item2))
          self.assertFalse(self.tv.tag_has('tag2', item1))
          self.assertTrue(self.tv.tag_has('tag2', item2))
          self.assertFalse(self.tv.tag_has('tag3', item1))
          self.assertFalse(self.tv.tag_has('tag3', item2))
          self.assertEqual(self.tv.tag_has('tag1'), (item1,))
          self.assertEqual(self.tv.tag_has('tag2'), (item2,))
          self.assertEqual(self.tv.tag_has('tag3'), ())
  
  
  @add_standard_options(StandardTtkOptionsTests)
  class SeparatorTest(AbstractWidgetTest, unittest.TestCase):
      OPTIONS = (
          'class', 'cursor', 'orient', 'style', 'takefocus',
          # 'state'?
      )
      default_orient = 'horizontal'
  
      def create(self, **kwargs):
          return ttk.Separator(self.root, **kwargs)
  
  
  @add_standard_options(StandardTtkOptionsTests)
  class SizegripTest(AbstractWidgetTest, unittest.TestCase):
      OPTIONS = (
          'class', 'cursor', 'style', 'takefocus',
          # 'state'?
      )
  
      def create(self, **kwargs):
          return ttk.Sizegrip(self.root, **kwargs)
  
  
  tests_gui = (
          ButtonTest, CheckbuttonTest, ComboboxTest, EntryTest,
          FrameTest, LabelFrameTest, LabelTest, MenubuttonTest,
          NotebookTest, PanedWindowTest, ProgressbarTest,
          RadiobuttonTest, ScaleTest, ScrollbarTest, SeparatorTest,
          SizegripTest, TreeviewTest, WidgetTest,
          )
  
  tests_gui = (
          TreeviewTest,
          )
  
  if __name__ == "__main__":
      run_unittest(*tests_gui)
  