// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "ui/base/event.h"
#include "testing/gtest/include/gtest/gtest.h"

#if defined(USE_X11)
#include <X11/Xlib.h>
#include "ui/base/x/x11_util.h"
#endif

namespace ui {

TEST(EventTest, NoNativeEvent) {
  KeyEvent keyev(ET_KEY_PRESSED, VKEY_SPACE, 0);
  EXPECT_FALSE(keyev.HasNativeEvent());
}

TEST(EventTest, NativeEvent) {
#if defined(OS_WIN)
  MSG native_event = { NULL, WM_KEYUP, VKEY_A, 0 };
  KeyEvent keyev(native_event, false);
  EXPECT_TRUE(keyev.HasNativeEvent());
#elif defined(USE_X11)
  scoped_ptr<XEvent> native_event(new XEvent);
  InitXKeyEventForTesting(ET_KEY_RELEASED, VKEY_A, 0, native_event.get());
  KeyEvent keyev(native_event.get(), false);
  EXPECT_TRUE(keyev.HasNativeEvent());
#endif
}

TEST(EventTest, GetCharacter) {
  // Check if Control+Enter returns 10.
  KeyEvent keyev1(ET_KEY_PRESSED, VKEY_RETURN, EF_CONTROL_DOWN);
  EXPECT_EQ(10, keyev1.GetCharacter());
  EXPECT_EQ(13, keyev1.GetUnmodifiedCharacter());
  // Check if Enter returns 13.
  KeyEvent keyev2(ET_KEY_PRESSED, VKEY_RETURN, 0);
  EXPECT_EQ(13, keyev2.GetCharacter());
  EXPECT_EQ(13, keyev2.GetUnmodifiedCharacter());

#if defined(USE_X11)
  // For X11, test the functions with native_event() as well. crbug.com/107837
  scoped_ptr<XEvent> native_event(new XEvent);

  InitXKeyEventForTesting(ET_KEY_PRESSED, VKEY_RETURN, EF_CONTROL_DOWN,
                          native_event.get());
  KeyEvent keyev3(native_event.get(), false);
  EXPECT_EQ(10, keyev3.GetCharacter());
  EXPECT_EQ(13, keyev3.GetUnmodifiedCharacter());

  InitXKeyEventForTesting(ET_KEY_PRESSED, VKEY_RETURN, 0, native_event.get());
  KeyEvent keyev4(native_event.get(), false);
  EXPECT_EQ(13, keyev4.GetCharacter());
  EXPECT_EQ(13, keyev4.GetUnmodifiedCharacter());
#endif
}

TEST(EventTest, ClickCount) {
  const gfx::Point origin(0, 0);
  MouseEvent mouseev(ET_MOUSE_PRESSED, origin, origin, 0);
  for (int i = 1; i <=3 ; ++i) {
    mouseev.SetClickCount(i);
    EXPECT_EQ(i, mouseev.GetClickCount());
  }
}

TEST(EventTest, Repeated) {
  const gfx::Point origin(0, 0);
  MouseEvent mouse_ev1(ET_MOUSE_PRESSED, origin, origin, 0);
  MouseEvent mouse_ev2(ET_MOUSE_PRESSED, origin, origin, 0);
  MouseEvent::TestApi test_ev1(&mouse_ev1);
  MouseEvent::TestApi test_ev2(&mouse_ev2);

  base::TimeDelta start = base::TimeDelta::FromMilliseconds(0);
  base::TimeDelta soon = start + base::TimeDelta::FromMilliseconds(1);
  base::TimeDelta later = start + base::TimeDelta::FromMilliseconds(1000);

  // Close point.
  test_ev1.set_location(gfx::Point(0, 0));
  test_ev2.set_location(gfx::Point(1, 0));
  test_ev1.set_time_stamp(start);
  test_ev2.set_time_stamp(soon);
  EXPECT_TRUE(MouseEvent::IsRepeatedClickEvent(mouse_ev1, mouse_ev2));

  // Too far.
  test_ev1.set_location(gfx::Point(0, 0));
  test_ev2.set_location(gfx::Point(10, 0));
  test_ev1.set_time_stamp(start);
  test_ev2.set_time_stamp(soon);
  EXPECT_FALSE(MouseEvent::IsRepeatedClickEvent(mouse_ev1, mouse_ev2));

  // Too long a time between clicks.
  test_ev1.set_location(gfx::Point(0, 0));
  test_ev2.set_location(gfx::Point(0, 0));
  test_ev1.set_time_stamp(start);
  test_ev2.set_time_stamp(later);
  EXPECT_FALSE(MouseEvent::IsRepeatedClickEvent(mouse_ev1, mouse_ev2));
}

// Bug 99129.
#if defined(USE_AURA)
#define MAYBE_KeyEvent FAILS_KeyEvent
#define MAYBE_KeyEventDirectUnicode FAILS_KeyEventDirectUnicode
#else
#define MAYBE_KeyEvent KeyEvent
#define MAYBE_KeyEventDirectUnicode KeyEventDirectUnicode
#endif

TEST(EventTest, MAYBE_KeyEvent) {
  static const struct {
    KeyboardCode key_code;
    int flags;
    uint16 character;
    uint16 unmodified_character;
  } kTestData[] = {
    { VKEY_A, 0, 'a', 'a' },
    { VKEY_A, EF_SHIFT_DOWN, 'A', 'A' },
    { VKEY_A, EF_CAPS_LOCK_DOWN, 'A', 'a' },
    { VKEY_A, EF_SHIFT_DOWN | EF_CAPS_LOCK_DOWN, 'a', 'A' },
    { VKEY_A, EF_CONTROL_DOWN, 0x01, 'a' },
    { VKEY_A, EF_SHIFT_DOWN | EF_CONTROL_DOWN, '\x01', 'A' },
    { VKEY_Z, 0, 'z', 'z' },
    { VKEY_Z, EF_SHIFT_DOWN, 'Z', 'Z' },
    { VKEY_Z, EF_CAPS_LOCK_DOWN, 'Z', 'z' },
    { VKEY_Z, EF_SHIFT_DOWN | EF_CAPS_LOCK_DOWN, 'z', 'Z' },
    { VKEY_Z, EF_CONTROL_DOWN, '\x1A', 'z' },
    { VKEY_Z, EF_SHIFT_DOWN | EF_CONTROL_DOWN, '\x1A', 'Z' },

    { VKEY_2, EF_CONTROL_DOWN, '\0', '2' },
    { VKEY_2, EF_SHIFT_DOWN | EF_CONTROL_DOWN, '\0', '@' },
    { VKEY_6, EF_CONTROL_DOWN, '\0', '6' },
    { VKEY_6, EF_SHIFT_DOWN | EF_CONTROL_DOWN, '\x1E', '^' },
    { VKEY_OEM_MINUS, EF_CONTROL_DOWN, '\0', '-' },
    { VKEY_OEM_MINUS, EF_SHIFT_DOWN | EF_CONTROL_DOWN, '\x1F', '_'},
    { VKEY_OEM_4, EF_CONTROL_DOWN, '\x1B', '[' },
    { VKEY_OEM_4, EF_SHIFT_DOWN | EF_CONTROL_DOWN, '\0', '{' },
    { VKEY_OEM_5, EF_CONTROL_DOWN, '\x1C', '\\' },
    { VKEY_OEM_5, EF_SHIFT_DOWN | EF_CONTROL_DOWN, '\0', '|' },
    { VKEY_OEM_6, EF_CONTROL_DOWN, '\x1D', ']' },
    { VKEY_OEM_6, EF_SHIFT_DOWN | EF_CONTROL_DOWN, '\0', '}' },
    { VKEY_RETURN, EF_CONTROL_DOWN, '\x0A', '\r' },

    { VKEY_0, 0, '0', '0' },
    { VKEY_0, EF_SHIFT_DOWN, ')', ')' },
    { VKEY_0, EF_SHIFT_DOWN | EF_CAPS_LOCK_DOWN, ')', ')' },
    { VKEY_0, EF_SHIFT_DOWN | EF_CONTROL_DOWN, '\0', ')' },

    { VKEY_9, 0, '9', '9' },
    { VKEY_9, EF_SHIFT_DOWN, '(', '(' },
    { VKEY_9, EF_SHIFT_DOWN | EF_CAPS_LOCK_DOWN, '(', '(' },
    { VKEY_9, EF_SHIFT_DOWN | EF_CONTROL_DOWN, '\0', '(' },

    { VKEY_NUMPAD0, EF_CONTROL_DOWN, '\0', '0' },
    { VKEY_NUMPAD0, EF_SHIFT_DOWN, '0', '0' },

    { VKEY_NUMPAD9, EF_CONTROL_DOWN, '\0', '9' },
    { VKEY_NUMPAD9, EF_SHIFT_DOWN, '9', '9' },

    { VKEY_TAB, EF_CONTROL_DOWN, '\0', '\t' },
    { VKEY_TAB, EF_SHIFT_DOWN, '\t', '\t' },

    { VKEY_MULTIPLY, EF_CONTROL_DOWN, '\0', '*' },
    { VKEY_MULTIPLY, EF_SHIFT_DOWN, '*', '*' },
    { VKEY_ADD, EF_CONTROL_DOWN, '\0', '+' },
    { VKEY_ADD, EF_SHIFT_DOWN, '+', '+' },
    { VKEY_SUBTRACT, EF_CONTROL_DOWN, '\0', '-' },
    { VKEY_SUBTRACT, EF_SHIFT_DOWN, '-', '-' },
    { VKEY_DECIMAL, EF_CONTROL_DOWN, '\0', '.' },
    { VKEY_DECIMAL, EF_SHIFT_DOWN, '.', '.' },
    { VKEY_DIVIDE, EF_CONTROL_DOWN, '\0', '/' },
    { VKEY_DIVIDE, EF_SHIFT_DOWN, '/', '/' },

    { VKEY_OEM_1, EF_CONTROL_DOWN, '\0', ';' },
    { VKEY_OEM_1, EF_SHIFT_DOWN, ':', ':' },
    { VKEY_OEM_PLUS, EF_CONTROL_DOWN, '\0', '=' },
    { VKEY_OEM_PLUS, EF_SHIFT_DOWN, '+', '+' },
    { VKEY_OEM_COMMA, EF_CONTROL_DOWN, '\0', ',' },
    { VKEY_OEM_COMMA, EF_SHIFT_DOWN, '<', '<' },
    { VKEY_OEM_PERIOD, EF_CONTROL_DOWN, '\0', '.' },
    { VKEY_OEM_PERIOD, EF_SHIFT_DOWN, '>', '>' },
    { VKEY_OEM_3, EF_CONTROL_DOWN, '\0', '`' },
    { VKEY_OEM_3, EF_SHIFT_DOWN, '~', '~' },
  };

  for (size_t i = 0; i < ARRAYSIZE_UNSAFE(kTestData); ++i) {
    KeyEvent key(ET_KEY_PRESSED, kTestData[i].key_code, kTestData[i].flags);
    EXPECT_EQ(kTestData[i].character, key.GetCharacter())
        << " Index:" << i << " key_code:" << kTestData[i].key_code;
    EXPECT_EQ(kTestData[i].unmodified_character, key.GetUnmodifiedCharacter())
        << " Index:" << i << " key_code:" << kTestData[i].key_code;
  }
}

TEST(EventTest, MAYBE_KeyEventDirectUnicode) {
  KeyEvent key(ET_KEY_PRESSED, VKEY_UNKNOWN, EF_SHIFT_DOWN);
  key.set_character(0x1234U);
  key.set_unmodified_character(0x4321U);
  EXPECT_EQ(0x1234U, key.GetCharacter());
  EXPECT_EQ(0x4321U, key.GetUnmodifiedCharacter());
  KeyEvent key2(ET_KEY_RELEASED, VKEY_UNKNOWN, EF_CONTROL_DOWN);
  key2.set_character(0x4321U);
  key2.set_unmodified_character(0x1234U);
  EXPECT_EQ(0x4321U, key2.GetCharacter());
  EXPECT_EQ(0x1234U, key2.GetUnmodifiedCharacter());
}

}  // namespace ui