@SmallTest
@Feature({"TextInput", "Main"})
public void testGuessedKeyCodeFromTyping() throws Throwable {
assertEquals(-1, getTypedKeycodeGuess(null, ""));
assertEquals(KeyEvent.KEYCODE_X, getTypedKeycodeGuess(null, "x"));
assertEquals(-1, getTypedKeycodeGuess(null, "xyz"));
assertEquals(-1, getTypedKeycodeGuess("abc", "abc"));
assertEquals(KeyEvent.KEYCODE_DEL, getTypedKeycodeGuess("abc", ""));
assertEquals(KeyEvent.KEYCODE_H, getTypedKeycodeGuess("", "h"));
assertEquals(KeyEvent.KEYCODE_DEL, getTypedKeycodeGuess("h", ""));
assertEquals(KeyEvent.KEYCODE_E, getTypedKeycodeGuess("h", "he"));
assertEquals(KeyEvent.KEYCODE_L, getTypedKeycodeGuess("he", "hel"));
assertEquals(KeyEvent.KEYCODE_O, getTypedKeycodeGuess("hel", "helo"));
assertEquals(KeyEvent.KEYCODE_DEL, getTypedKeycodeGuess("helo", "hel"));
assertEquals(KeyEvent.KEYCODE_L, getTypedKeycodeGuess("hel", "hell"));
assertEquals(KeyEvent.KEYCODE_L, getTypedKeycodeGuess("hell", "helll"));
assertEquals(KeyEvent.KEYCODE_DEL, getTypedKeycodeGuess("helll", "hell"));
assertEquals(KeyEvent.KEYCODE_O, getTypedKeycodeGuess("hell", "hello"));
assertEquals(KeyEvent.KEYCODE_X, getTypedKeycodeGuess("xxx", "xxxx"));
assertEquals(KeyEvent.KEYCODE_X, getTypedKeycodeGuess("xxx", "xxxxx"));
assertEquals(KeyEvent.KEYCODE_DEL, getTypedKeycodeGuess("xxx", "xx"));
assertEquals(KeyEvent.KEYCODE_DEL, getTypedKeycodeGuess("xxx", "x"));
assertEquals(KeyEvent.KEYCODE_Y, getTypedKeycodeGuess("xxx", "xxxy"));
assertEquals(KeyEvent.KEYCODE_Y, getTypedKeycodeGuess("xxx", "xxxxy"));
assertEquals(-1, getTypedKeycodeGuess("xxx", "xy"));
assertEquals(-1, getTypedKeycodeGuess("xxx", "y"));
assertEquals(-1, getTypedKeycodeGuess("foo", "bar"));
assertEquals(-1, getTypedKeycodeGuess("foo", "bars"));
assertEquals(-1, getTypedKeycodeGuess("foo", "ba"));
// Some characters also require modifiers so we have to check the full event.
KeyEvent ev = ImeAdapter.getTypedKeyEventGuess(null, "!");
assertEquals(KeyEvent.KEYCODE_1, ev.getKeyCode());
assertTrue(ev.isShiftPressed());
}
private int getTypedKeycodeGuess(String before, String after) {
KeyEvent ev = ImeAdapter.getTypedKeyEventGuess(before, after);
if (ev == null) return -1;
return ev.getKeyCode();
}