chrome/browser/ui/libgtk2ui/x11_input_method_context_impl_gtk2_unittest.cc

   1 // Copyright 2013 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "chrome/browser/ui/libgtk2ui/x11_input_method_context_impl_gtk2.h"
   6
   7 #include "base/strings/utf_string_conversions.h"
   8 #include "testing/gtest/include/gtest/gtest.h"
   9
  10 namespace libgtk2ui {
  11
  12 class X11InputMethodContextImplGtk2FriendTest : public testing::Test {
  13 };
  14
  15 TEST_F(X11InputMethodContextImplGtk2FriendTest, GtkCommitSignalTrap) {
  16   libgtk2ui::X11InputMethodContextImplGtk2::GtkCommitSignalTrap trap;
  17
  18   // Test the initial state.
  19   EXPECT_FALSE(trap.IsSignalCaught());
  20   EXPECT_FALSE(trap.Trap(base::string16()));
  21   EXPECT_FALSE(trap.IsSignalCaught());
  22
  23   // Cases which don't match the target keyval.
  24   trap.StartTrap('t');
  25   EXPECT_FALSE(trap.Trap(base::UTF8ToUTF16("T")));
  26   EXPECT_FALSE(trap.IsSignalCaught());
  27   EXPECT_FALSE(trap.Trap(base::UTF8ToUTF16("true")));
  28   EXPECT_FALSE(trap.IsSignalCaught());
  29
  30   // Do not catch when the trap is not activated.
  31   trap.StopTrap();
  32   EXPECT_FALSE(trap.Trap(base::UTF8ToUTF16("t")));
  33   EXPECT_FALSE(trap.IsSignalCaught());
  34
  35   // Successive calls don't break anything.
  36   trap.StopTrap();
  37   trap.StopTrap();
  38   EXPECT_FALSE(trap.Trap(base::UTF8ToUTF16("t")));
  39   EXPECT_FALSE(trap.IsSignalCaught());
  40   trap.StartTrap('f');
  41   trap.StartTrap('t');
  42   EXPECT_TRUE(trap.Trap(base::UTF8ToUTF16("t")));
  43   EXPECT_TRUE(trap.IsSignalCaught());
  44
  45   // StartTrap() resets the state.
  46   trap.StartTrap('t');
  47   EXPECT_FALSE(trap.IsSignalCaught());
  48   // Many times calls to Trap() are okay.
  49   EXPECT_FALSE(trap.Trap(base::UTF8ToUTF16("f")));
  50   EXPECT_FALSE(trap.IsSignalCaught());
  51   EXPECT_TRUE(trap.Trap(base::UTF8ToUTF16("t")));
  52   EXPECT_TRUE(trap.IsSignalCaught());
  53 }
  54
  55 }  // namespace libgtk2ui