1 files changed, 465 insertions, 0 deletions
diff --git a/tests/src/org/kelar/inputmethod/latin/RichInputConnectionAndTextRangeTests.java b/tests/src/org/kelar/inputmethod/latin/RichInputConnectionAndTextRangeTests.java
new file mode 100644
index 000000000..cf4a349d5
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+++ b/tests/src/org/kelar/inputmethod/latin/RichInputConnectionAndTextRangeTests.java
@@ -0,0 +1,465 @@
+/*
+ * Copyright (C) 2012 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.kelar.inputmethod.latin;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertTrue;
+
+import android.content.res.Resources;
+import android.inputmethodservice.InputMethodService;
+import android.os.Parcel;
+import android.text.SpannableString;
+import android.text.TextUtils;
+import android.text.style.SuggestionSpan;
+import android.view.inputmethod.ExtractedText;
+import android.view.inputmethod.ExtractedTextRequest;
+import android.view.inputmethod.InputConnection;
+import android.view.inputmethod.InputConnectionWrapper;
+
+import androidx.test.InstrumentationRegistry;
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
+
+import org.kelar.inputmethod.latin.common.Constants;
+import org.kelar.inputmethod.latin.common.StringUtils;
+import org.kelar.inputmethod.latin.settings.SpacingAndPunctuations;
+import org.kelar.inputmethod.latin.utils.NgramContextUtils;
+import org.kelar.inputmethod.latin.utils.RunInLocale;
+import org.kelar.inputmethod.latin.utils.ScriptUtils;
+import org.kelar.inputmethod.latin.utils.TextRange;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+import java.util.Locale;
+
+@SmallTest
+@RunWith(AndroidJUnit4.class)
+public class RichInputConnectionAndTextRangeTests {
+
+    // The following is meant to be a reasonable default for
+    // the "word_separators" resource.
+    private SpacingAndPunctuations mSpacingAndPunctuations;
+
+    @Before
+    public void setUp() throws Exception {
+        final RunInLocale<SpacingAndPunctuations> job = new RunInLocale<SpacingAndPunctuations>() {
+            @Override
+            protected SpacingAndPunctuations job(final Resources res) {
+                return new SpacingAndPunctuations(res);
+            }
+        };
+        final Resources res = InstrumentationRegistry.getTargetContext().getResources();
+        mSpacingAndPunctuations = job.runInLocale(res, Locale.ENGLISH);
+    }
+
+    private class MockConnection extends InputConnectionWrapper {
+        final CharSequence mTextBefore;
+        final CharSequence mTextAfter;
+        final ExtractedText mExtractedText;
+
+        public MockConnection(final CharSequence text, final int cursorPosition) {
+            super(null, false);
+            // Interaction of spans with Parcels is completely non-trivial, but in the actual case
+            // the CharSequences do go through Parcels because they go through IPC. There
+            // are some significant differences between the behavior of Spanned objects that
+            // have and that have not gone through parceling, so it's much easier to simulate
+            // the environment with Parcels than try to emulate things by hand.
+            final Parcel p = Parcel.obtain();
+            TextUtils.writeToParcel(text.subSequence(0, cursorPosition), p, 0 /* flags */);
+            TextUtils.writeToParcel(text.subSequence(cursorPosition, text.length()), p,
+                    0 /* flags */);
+            final byte[] marshalled = p.marshall();
+            p.unmarshall(marshalled, 0, marshalled.length);
+            p.setDataPosition(0);
+            mTextBefore = TextUtils.CHAR_SEQUENCE_CREATOR.createFromParcel(p);
+            mTextAfter = TextUtils.CHAR_SEQUENCE_CREATOR.createFromParcel(p);
+            mExtractedText = null;
+            p.recycle();
+        }
+
+        public MockConnection(String textBefore, String textAfter, ExtractedText extractedText) {
+            super(null, false);
+            mTextBefore = textBefore;
+            mTextAfter = textAfter;
+            mExtractedText = extractedText;
+        }
+
+        public int cursorPos() {
+            return mTextBefore.length();
+        }
+
+        /* (non-Javadoc)
+         * @see android.view.inputmethod.InputConnectionWrapper#getTextBeforeCursor(int, int)
+         */
+        @Override
+        public CharSequence getTextBeforeCursor(int n, int flags) {
+            return mTextBefore;
+        }
+
+        /* (non-Javadoc)
+         * @see android.view.inputmethod.InputConnectionWrapper#getTextAfterCursor(int, int)
+         */
+        @Override
+        public CharSequence getTextAfterCursor(int n, int flags) {
+            return mTextAfter;
+        }
+
+        /* (non-Javadoc)
+         * @see android.view.inputmethod.InputConnectionWrapper#getExtractedText(
+         *         ExtractedTextRequest, int)
+         */
+        @Override
+        public ExtractedText getExtractedText(ExtractedTextRequest request, int flags) {
+            return mExtractedText;
+        }
+
+        @Override
+        public boolean beginBatchEdit() {
+            return true;
+        }
+
+        @Override
+        public boolean endBatchEdit() {
+            return true;
+        }
+
+        @Override
+        public boolean finishComposingText() {
+            return true;
+        }
+    }
+
+    static class MockInputMethodService extends InputMethodService {
+        private MockConnection mMockConnection;
+        public void setInputConnection(final MockConnection mockConnection) {
+            mMockConnection = mockConnection;
+        }
+        public int cursorPos() {
+            return mMockConnection.cursorPos();
+        }
+        @Override
+        public InputConnection getCurrentInputConnection() {
+            return mMockConnection;
+        }
+    }
+
+    /************************** Tests ************************/
+
+    /**
+     * Test for getting previous word (for bigram suggestions)
+     */
+    @Test
+    public void testGetPreviousWord() {
+        // If one of the following cases breaks, the bigram suggestions won't work.
+        assertEquals(NgramContextUtils.getNgramContextFromNthPreviousWord(
+                "abc def", mSpacingAndPunctuations, 2).getNthPrevWord(1), "abc");
+        assertEquals(NgramContextUtils.getNgramContextFromNthPreviousWord(
+                "abc", mSpacingAndPunctuations, 2), NgramContext.BEGINNING_OF_SENTENCE);
+        assertEquals(NgramContextUtils.getNgramContextFromNthPreviousWord(
+                "abc. def", mSpacingAndPunctuations, 2), NgramContext.BEGINNING_OF_SENTENCE);
+
+        assertFalse(NgramContextUtils.getNgramContextFromNthPreviousWord(
+                "abc def", mSpacingAndPunctuations, 2).isBeginningOfSentenceContext());
+        assertTrue(NgramContextUtils.getNgramContextFromNthPreviousWord(
+                "abc", mSpacingAndPunctuations, 2).isBeginningOfSentenceContext());
+
+        // For n-gram
+        assertEquals(NgramContextUtils.getNgramContextFromNthPreviousWord(
+                "abc def", mSpacingAndPunctuations, 1).getNthPrevWord(1), "def");
+        assertEquals(NgramContextUtils.getNgramContextFromNthPreviousWord(
+                "abc def", mSpacingAndPunctuations, 1).getNthPrevWord(2), "abc");
+        assertTrue(NgramContextUtils.getNgramContextFromNthPreviousWord(
+                "abc def", mSpacingAndPunctuations, 2).isNthPrevWordBeginningOfSentence(2));
+
+        // The following tests reflect the current behavior of the function
+        // RichInputConnection#getNthPreviousWord.
+        // TODO: However at this time, the code does never go
+        // into such a path, so it should be safe to change the behavior of
+        // this function if needed - especially since it does not seem very
+        // logical. These tests are just there to catch any unintentional
+        // changes in the behavior of the RichInputConnection#getPreviousWord method.
+        assertEquals(NgramContextUtils.getNgramContextFromNthPreviousWord(
+                "abc def ", mSpacingAndPunctuations, 2).getNthPrevWord(1), "abc");
+        assertEquals(NgramContextUtils.getNgramContextFromNthPreviousWord(
+                "abc def.", mSpacingAndPunctuations, 2).getNthPrevWord(1), "abc");
+        assertEquals(NgramContextUtils.getNgramContextFromNthPreviousWord(
+                "abc def .", mSpacingAndPunctuations, 2).getNthPrevWord(1), "def");
+        assertTrue(NgramContextUtils.getNgramContextFromNthPreviousWord(
+                "abc ", mSpacingAndPunctuations, 2).isBeginningOfSentenceContext());
+
+        assertEquals(NgramContextUtils.getNgramContextFromNthPreviousWord(
+                "abc def", mSpacingAndPunctuations, 1).getNthPrevWord(1), "def");
+        assertEquals(NgramContextUtils.getNgramContextFromNthPreviousWord(
+                "abc def ", mSpacingAndPunctuations, 1).getNthPrevWord(1), "def");
+        assertEquals(NgramContextUtils.getNgramContextFromNthPreviousWord(
+                "abc 'def", mSpacingAndPunctuations, 1).getNthPrevWord(1), "'def");
+        assertEquals(NgramContextUtils.getNgramContextFromNthPreviousWord(
+                "abc def.", mSpacingAndPunctuations, 1), NgramContext.BEGINNING_OF_SENTENCE);
+        assertEquals(NgramContextUtils.getNgramContextFromNthPreviousWord(
+                "abc def .", mSpacingAndPunctuations, 1), NgramContext.BEGINNING_OF_SENTENCE);
+        assertEquals(NgramContextUtils.getNgramContextFromNthPreviousWord(
+                "abc, def", mSpacingAndPunctuations, 2), NgramContext.EMPTY_PREV_WORDS_INFO);
+        // question mark is treated as the end of the sentence. Hence, beginning of the
+        // sentence is expected.
+        assertEquals(NgramContextUtils.getNgramContextFromNthPreviousWord(
+                "abc? def", mSpacingAndPunctuations, 2), NgramContext.BEGINNING_OF_SENTENCE);
+        // Exclamation mark is treated as the end of the sentence. Hence, beginning of the
+        // sentence is expected.
+        assertEquals(NgramContextUtils.getNgramContextFromNthPreviousWord(
+                "abc! def", mSpacingAndPunctuations, 2), NgramContext.BEGINNING_OF_SENTENCE);
+        assertEquals(NgramContextUtils.getNgramContextFromNthPreviousWord(
+                "abc 'def", mSpacingAndPunctuations, 2), NgramContext.EMPTY_PREV_WORDS_INFO);
+    }
+
+    @Test
+    public void testGetWordRangeAtCursor() {
+        /**
+         * Test logic in getting the word range at the cursor.
+         */
+        final SpacingAndPunctuations SPACE = new SpacingAndPunctuations(
+                mSpacingAndPunctuations, new int[] { Constants.CODE_SPACE });
+        final SpacingAndPunctuations TAB = new SpacingAndPunctuations(
+                mSpacingAndPunctuations, new int[] { Constants.CODE_TAB });
+        // A character that needs surrogate pair to represent its code point (U+2008A).
+        final String SUPPLEMENTARY_CHAR_STRING = "\uD840\uDC8A";
+        final SpacingAndPunctuations SUPPLEMENTARY_CHAR = new SpacingAndPunctuations(
+                mSpacingAndPunctuations, StringUtils.toSortedCodePointArray(
+                        SUPPLEMENTARY_CHAR_STRING));
+        final String HIRAGANA_WORD = "\u3042\u3044\u3046\u3048\u304A"; // あいうえお
+        final String GREEK_WORD = "\u03BA\u03B1\u03B9"; // και
+
+        ExtractedText et = new ExtractedText();
+        final MockInputMethodService mockInputMethodService = new MockInputMethodService();
+        final RichInputConnection ic = new RichInputConnection(mockInputMethodService);
+        mockInputMethodService.setInputConnection(new MockConnection("word wo", "rd", et));
+        et.startOffset = 0;
+        et.selectionStart = 7;
+        TextRange r;
+
+        ic.beginBatchEdit();
+        // basic case
+        r = ic.getWordRangeAtCursor(SPACE, ScriptUtils.SCRIPT_LATIN);
+        assertTrue(TextUtils.equals("word", r.mWord));
+
+        // tab character instead of space
+        mockInputMethodService.setInputConnection(new MockConnection("one\tword\two", "rd", et));
+        ic.beginBatchEdit();
+        r = ic.getWordRangeAtCursor(TAB, ScriptUtils.SCRIPT_LATIN);
+        ic.endBatchEdit();
+        assertTrue(TextUtils.equals("word", r.mWord));
+
+        // splitting on supplementary character
+        mockInputMethodService.setInputConnection(
+                new MockConnection("one word" + SUPPLEMENTARY_CHAR_STRING + "wo", "rd", et));
+        ic.beginBatchEdit();
+        r = ic.getWordRangeAtCursor(SUPPLEMENTARY_CHAR, ScriptUtils.SCRIPT_LATIN);
+        ic.endBatchEdit();
+        assertTrue(TextUtils.equals("word", r.mWord));
+
+        // split on chars outside the specified script
+        mockInputMethodService.setInputConnection(
+                new MockConnection(HIRAGANA_WORD + "wo", "rd" + GREEK_WORD, et));
+        ic.beginBatchEdit();
+        r = ic.getWordRangeAtCursor(SUPPLEMENTARY_CHAR, ScriptUtils.SCRIPT_LATIN);
+        ic.endBatchEdit();
+        assertTrue(TextUtils.equals("word", r.mWord));
+
+        // likewise for greek
+        mockInputMethodService.setInputConnection(
+                new MockConnection("text" + GREEK_WORD, "text", et));
+        ic.beginBatchEdit();
+        r = ic.getWordRangeAtCursor(SUPPLEMENTARY_CHAR, ScriptUtils.SCRIPT_GREEK);
+        ic.endBatchEdit();
+        assertTrue(TextUtils.equals(GREEK_WORD, r.mWord));
+    }
+
+    /**
+     * Test logic in getting the word range at the cursor.
+     */
+    @Test
+    public void testGetSuggestionSpansAtWord() {
+        helpTestGetSuggestionSpansAtWord(10);
+        helpTestGetSuggestionSpansAtWord(12);
+        helpTestGetSuggestionSpansAtWord(15);
+        helpTestGetSuggestionSpansAtWord(16);
+    }
+
+    private void helpTestGetSuggestionSpansAtWord(final int cursorPos) {
+        final SpacingAndPunctuations SPACE = new SpacingAndPunctuations(
+                mSpacingAndPunctuations, new int[] { Constants.CODE_SPACE });
+        final MockInputMethodService mockInputMethodService = new MockInputMethodService();
+        final RichInputConnection ic = new RichInputConnection(mockInputMethodService);
+
+        final String[] SUGGESTIONS1 = { "swing", "strong" };
+        final String[] SUGGESTIONS2 = { "storing", "strung" };
+
+        // Test the usual case.
+        SpannableString text = new SpannableString("This is a string for test");
+        text.setSpan(new SuggestionSpan(Locale.ENGLISH, SUGGESTIONS1, 0 /* flags */),
+                10 /* start */, 16 /* end */, 0 /* flags */);
+        mockInputMethodService.setInputConnection(new MockConnection(text, cursorPos));
+        TextRange r;
+        SuggestionSpan[] suggestions;
+
+        r = ic.getWordRangeAtCursor(SPACE, ScriptUtils.SCRIPT_LATIN);
+        suggestions = r.getSuggestionSpansAtWord();
+        assertEquals(suggestions.length, 1);
+        assertEquals(suggestions[0].getSuggestions(), SUGGESTIONS1);
+
+        // Test the case with 2 suggestion spans in the same place.
+        text = new SpannableString("This is a string for test");
+        text.setSpan(new SuggestionSpan(Locale.ENGLISH, SUGGESTIONS1, 0 /* flags */),
+                10 /* start */, 16 /* end */, 0 /* flags */);
+        text.setSpan(new SuggestionSpan(Locale.ENGLISH, SUGGESTIONS2, 0 /* flags */),
+                10 /* start */, 16 /* end */, 0 /* flags */);
+        mockInputMethodService.setInputConnection(new MockConnection(text, cursorPos));
+        r = ic.getWordRangeAtCursor(SPACE, ScriptUtils.SCRIPT_LATIN);
+        suggestions = r.getSuggestionSpansAtWord();
+        assertEquals(suggestions.length, 2);
+        assertEquals(suggestions[0].getSuggestions(), SUGGESTIONS1);
+        assertEquals(suggestions[1].getSuggestions(), SUGGESTIONS2);
+
+        // Test a case with overlapping spans, 2nd extending past the start of the word
+        text = new SpannableString("This is a string for test");
+        text.setSpan(new SuggestionSpan(Locale.ENGLISH, SUGGESTIONS1, 0 /* flags */),
+                10 /* start */, 16 /* end */, 0 /* flags */);
+        text.setSpan(new SuggestionSpan(Locale.ENGLISH, SUGGESTIONS2, 0 /* flags */),
+                5 /* start */, 16 /* end */, 0 /* flags */);
+        mockInputMethodService.setInputConnection(new MockConnection(text, cursorPos));
+        r = ic.getWordRangeAtCursor(SPACE, ScriptUtils.SCRIPT_LATIN);
+        suggestions = r.getSuggestionSpansAtWord();
+        assertEquals(suggestions.length, 1);
+        assertEquals(suggestions[0].getSuggestions(), SUGGESTIONS1);
+
+        // Test a case with overlapping spans, 2nd extending past the end of the word
+        text = new SpannableString("This is a string for test");
+        text.setSpan(new SuggestionSpan(Locale.ENGLISH, SUGGESTIONS1, 0 /* flags */),
+                10 /* start */, 16 /* end */, 0 /* flags */);
+        text.setSpan(new SuggestionSpan(Locale.ENGLISH, SUGGESTIONS2, 0 /* flags */),
+                10 /* start */, 20 /* end */, 0 /* flags */);
+        mockInputMethodService.setInputConnection(new MockConnection(text, cursorPos));
+        r = ic.getWordRangeAtCursor(SPACE, ScriptUtils.SCRIPT_LATIN);
+        suggestions = r.getSuggestionSpansAtWord();
+        assertEquals(suggestions.length, 1);
+        assertEquals(suggestions[0].getSuggestions(), SUGGESTIONS1);
+
+        // Test a case with overlapping spans, 2nd extending past both ends of the word
+        text = new SpannableString("This is a string for test");
+        text.setSpan(new SuggestionSpan(Locale.ENGLISH, SUGGESTIONS1, 0 /* flags */),
+                10 /* start */, 16 /* end */, 0 /* flags */);
+        text.setSpan(new SuggestionSpan(Locale.ENGLISH, SUGGESTIONS2, 0 /* flags */),
+                5 /* start */, 20 /* end */, 0 /* flags */);
+        mockInputMethodService.setInputConnection(new MockConnection(text, cursorPos));
+        r = ic.getWordRangeAtCursor(SPACE, ScriptUtils.SCRIPT_LATIN);
+        suggestions = r.getSuggestionSpansAtWord();
+        assertEquals(suggestions.length, 1);
+        assertEquals(suggestions[0].getSuggestions(), SUGGESTIONS1);
+
+        // Test a case with overlapping spans, none right on the word
+        text = new SpannableString("This is a string for test");
+        text.setSpan(new SuggestionSpan(Locale.ENGLISH, SUGGESTIONS1, 0 /* flags */),
+                5 /* start */, 16 /* end */, 0 /* flags */);
+        text.setSpan(new SuggestionSpan(Locale.ENGLISH, SUGGESTIONS2, 0 /* flags */),
+                5 /* start */, 20 /* end */, 0 /* flags */);
+        mockInputMethodService.setInputConnection(new MockConnection(text, cursorPos));
+        r = ic.getWordRangeAtCursor(SPACE, ScriptUtils.SCRIPT_LATIN);
+        suggestions = r.getSuggestionSpansAtWord();
+        assertEquals(suggestions.length, 0);
+    }
+
+    @Test
+    public void testCursorTouchingWord() {
+        final MockInputMethodService ims = new MockInputMethodService();
+        final RichInputConnection ic = new RichInputConnection(ims);
+        final SpacingAndPunctuations sap = mSpacingAndPunctuations;
+
+        ims.setInputConnection(new MockConnection("users", 5));
+        ic.resetCachesUponCursorMoveAndReturnSuccess(ims.cursorPos(), ims.cursorPos(), true);
+        assertTrue(ic.isCursorTouchingWord(sap, true /* checkTextAfter */));
+
+        ims.setInputConnection(new MockConnection("users'", 5));
+        ic.resetCachesUponCursorMoveAndReturnSuccess(ims.cursorPos(), ims.cursorPos(), true);
+        assertTrue(ic.isCursorTouchingWord(sap, true));
+
+        ims.setInputConnection(new MockConnection("users'", 6));
+        ic.resetCachesUponCursorMoveAndReturnSuccess(ims.cursorPos(), ims.cursorPos(), true);
+        assertTrue(ic.isCursorTouchingWord(sap, true));
+
+        ims.setInputConnection(new MockConnection("'users'", 6));
+        ic.resetCachesUponCursorMoveAndReturnSuccess(ims.cursorPos(), ims.cursorPos(), true);
+        assertTrue(ic.isCursorTouchingWord(sap, true));
+
+        ims.setInputConnection(new MockConnection("'users'", 7));
+        ic.resetCachesUponCursorMoveAndReturnSuccess(ims.cursorPos(), ims.cursorPos(), true);
+        assertTrue(ic.isCursorTouchingWord(sap, true));
+
+        ims.setInputConnection(new MockConnection("users '", 6));
+        ic.resetCachesUponCursorMoveAndReturnSuccess(ims.cursorPos(), ims.cursorPos(), true);
+        assertFalse(ic.isCursorTouchingWord(sap, true));
+
+        ims.setInputConnection(new MockConnection("users '", 7));
+        ic.resetCachesUponCursorMoveAndReturnSuccess(ims.cursorPos(), ims.cursorPos(), true);
+        assertFalse(ic.isCursorTouchingWord(sap, true));
+
+        ims.setInputConnection(new MockConnection("re-", 3));
+        ic.resetCachesUponCursorMoveAndReturnSuccess(ims.cursorPos(), ims.cursorPos(), true);
+        assertTrue(ic.isCursorTouchingWord(sap, true));
+
+        ims.setInputConnection(new MockConnection("re--", 4));
+        ic.resetCachesUponCursorMoveAndReturnSuccess(ims.cursorPos(), ims.cursorPos(), true);
+        assertFalse(ic.isCursorTouchingWord(sap, true));
+
+        ims.setInputConnection(new MockConnection("-", 1));
+        ic.resetCachesUponCursorMoveAndReturnSuccess(ims.cursorPos(), ims.cursorPos(), true);
+        assertFalse(ic.isCursorTouchingWord(sap, true));
+
+        ims.setInputConnection(new MockConnection("--", 2));
+        ic.resetCachesUponCursorMoveAndReturnSuccess(ims.cursorPos(), ims.cursorPos(), true);
+        assertFalse(ic.isCursorTouchingWord(sap, true));
+
+        ims.setInputConnection(new MockConnection(" -", 2));
+        ic.resetCachesUponCursorMoveAndReturnSuccess(ims.cursorPos(), ims.cursorPos(), true);
+        assertFalse(ic.isCursorTouchingWord(sap, true));
+
+        ims.setInputConnection(new MockConnection(" --", 3));
+        ic.resetCachesUponCursorMoveAndReturnSuccess(ims.cursorPos(), ims.cursorPos(), true);
+        assertFalse(ic.isCursorTouchingWord(sap, true));
+
+        ims.setInputConnection(new MockConnection(" users '", 1));
+        ic.resetCachesUponCursorMoveAndReturnSuccess(ims.cursorPos(), ims.cursorPos(), true);
+        assertTrue(ic.isCursorTouchingWord(sap, true));
+
+        ims.setInputConnection(new MockConnection(" users '", 3));
+        ic.resetCachesUponCursorMoveAndReturnSuccess(ims.cursorPos(), ims.cursorPos(), true);
+        assertTrue(ic.isCursorTouchingWord(sap, true));
+
+        ims.setInputConnection(new MockConnection(" users '", 7));
+        ic.resetCachesUponCursorMoveAndReturnSuccess(ims.cursorPos(), ims.cursorPos(), true);
+        assertFalse(ic.isCursorTouchingWord(sap, true));
+
+        ims.setInputConnection(new MockConnection(" users are", 7));
+        ic.resetCachesUponCursorMoveAndReturnSuccess(ims.cursorPos(), ims.cursorPos(), true);
+        assertTrue(ic.isCursorTouchingWord(sap, true));
+
+        ims.setInputConnection(new MockConnection(" users 'are", 7));
+        ic.resetCachesUponCursorMoveAndReturnSuccess(ims.cursorPos(), ims.cursorPos(), true);
+        assertFalse(ic.isCursorTouchingWord(sap, true));
+    }
+}