For #6276 - Fix for autocomplete add or remove logic

        return inputMethod ?: ""

    }

    /**

     * This class watches for text changes and adds or removes autocomplete text accordingly.

     * Using this class is preferred when making text changes as it will not interfere

     * with any composing text at the same time as custom keyboards.

     *

     * Known issue: autocomplete will not be added when replacing the current text with one

     * that has a text length equal to the one being replaced minus 1.

     * */

    private inner class TextChangeListener : TextWatcher {

        /**

         * Holds the value of the non-autocomplete text before any changes have been made.

         * */

        private var beforeChangedTextNonAutocomplete: String = ""

        /**

         * The start index of the characters about to be replaced.

         * When using keyboards that have their own text correction enabled this value

         * will be 0 if no text has been selected beforehand.

         * This is because text correction from keyboards usually works by replacing the

         * whole text when the user is typing.

         * (e.g.: a text of 5 chars is replaced by a text of 6 when inputting a character

         * or by a text of 4 when backspacing.)

         * */

        private var beforeTextChangedIndex: Int = 0

        /**

         * The number of characters that have been changed in [onTextChanged].

         * When using keyboards that do not have their own text correction enabled

         * and the user is pressing backspace this value will be 0.

         * */

        private var textChangedCount: Int = 0

        override fun beforeTextChanged(s: CharSequence, start: Int, count: Int, after: Int) {

            if (!isEnabled || settingAutoComplete) return

            beforeChangedTextNonAutocomplete = getNonAutocompleteText(text)

            beforeTextChangedIndex = start

        }

        override fun onTextChanged(s: CharSequence, start: Int, before: Int, count: Int) {

            // do nothing

            if (!isEnabled || settingAutoComplete) return

            textChangedCount = count

        }

        override fun afterTextChanged(editable: Editable) {

            if (!isEnabled || settingAutoComplete) {

                return

            }

            if (!isEnabled || settingAutoComplete) return

            val afterNonAutocompleteText = getNonAutocompleteText(editable)

            val hasTextBeenRemoved: Boolean =

                    (beforeChangedTextNonAutocomplete.contains(afterNonAutocompleteText) &&

                            beforeChangedTextNonAutocomplete.length > afterNonAutocompleteText.length)

            val hasTextShortenedByOne: Boolean =

                    beforeChangedTextNonAutocomplete.length == afterNonAutocompleteText.length + 1

            // Covers both keyboards with text correction activated and those without.

            val hasBackspaceBeenPressed =

                    (textChangedCount == 0) || (hasTextShortenedByOne && beforeTextChangedIndex == 0)

            // No autocompleting when typing a search query

            val afterTextIsSearch = afterNonAutocompleteText.contains(" ")

            val hasTextBeenAdded: Boolean =

                    (afterNonAutocompleteText.contains(beforeChangedTextNonAutocomplete) &&

                            afterNonAutocompleteText.length > beforeChangedTextNonAutocomplete.length)

            // If true autocomplete text will be added, if false autocomplete text will be removed.

            var shouldAddAutocomplete: Boolean =

                    // Remove autocomplete if search query

                    (!afterNonAutocompleteText.contains(" ") &&

                            // ... or if user is hitting a backspace (the string is getting smaller)

                            !hasTextBeenRemoved && afterNonAutocompleteText.isNotEmpty()) ||

                            // Add autocomplete if valid text has been added

                            (hasTextBeenAdded && !afterNonAutocompleteText.contains(" "))

                    (afterNonAutocompleteText.contains(beforeChangedTextNonAutocomplete) ||

                            beforeChangedTextNonAutocomplete.isEmpty()) &&

                            afterNonAutocompleteText.length > beforeChangedTextNonAutocomplete.length

            var shouldAddAutocomplete: Boolean = hasTextBeenAdded || (!afterTextIsSearch && !hasBackspaceBeenPressed)

            autoCompletePrefixLength = afterNonAutocompleteText.length

        et.setText("tex")

        assertEquals(1, invokedCounter)

        // Simulate removing a block of text.  We don't expect autocomplete to have been called

        et.setText("t")

        assertEquals(1, invokedCounter)

        // Presence of a space is counted as a 'search query', we don't autocomplete those.

        et.setText("search term")

        assertEquals(1, invokedCounter)

        et.setText("g")

        assertEquals("google.com", "${et.text}")

    }

    @Test

    fun `GIVEN field with selected text 'google ' WHEN text 'g' added THEN autocomplete to google`() {

        val et = InlineAutocompleteEditText(testContext, attributes)

        et.setText("https://www.google.com/")

        et.selectAll()

        et.onAttachedToWindow()

        et.autocompleteResult = AutocompleteResult(

                text = "google.com",

                source = "test-source",

                totalItems = 100)

        et.setText("g")

        assertEquals("google.com", "${et.text}")

    }

}