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/*
* Copyright (C) 2014 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 com.android.inputmethod.compat;
import android.annotation.TargetApi;
import android.os.Build;
import android.test.AndroidTestCase;
import android.test.suitebuilder.annotation.SmallTest;
import android.text.Spanned;
import android.text.TextUtils;
import android.text.style.SuggestionSpan;
import com.android.inputmethod.latin.SuggestedWords;
import com.android.inputmethod.latin.SuggestedWords.SuggestedWordInfo;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Locale;
@SmallTest
public class SuggestionSpanUtilsTest extends AndroidTestCase {
/**
* Helper method to create a dummy {@link SuggestedWordInfo}.
*
* @param kindAndFlags the kind and flags to be used to create {@link SuggestedWordInfo}.
* @param word the word to be used to create {@link SuggestedWordInfo}.
* @return a new instance of {@link SuggestedWordInfo}.
*/
private static SuggestedWordInfo createWordInfo(final String word, final int kindAndFlags) {
return new SuggestedWordInfo(word, "" /* prevWordsContext */, 1 /* score */, kindAndFlags,
null /* sourceDict */,
SuggestedWordInfo.NOT_AN_INDEX /* indexOfTouchPointOfSecondWord */,
SuggestedWordInfo.NOT_A_CONFIDENCE /* autoCommitFirstWordConfidence */);
}
private static void assertNotSuggestionSpan(final String expectedText,
final CharSequence actualText) {
assertTrue(TextUtils.equals(expectedText, actualText));
if (!(actualText instanceof Spanned)) {
return;
}
final Spanned spanned = (Spanned)actualText;
final SuggestionSpan[] suggestionSpans = spanned.getSpans(0, spanned.length(),
SuggestionSpan.class);
assertEquals(0, suggestionSpans.length);
}
private static void assertSuggestionSpan(final String expectedText,
final int reuiredSuggestionSpanFlags, final int requiredSpanFlags,
final String[] expectedSuggestions,
final CharSequence actualText) {
assertTrue(TextUtils.equals(expectedText, actualText));
assertTrue(actualText instanceof Spanned);
final Spanned spanned = (Spanned)actualText;
final SuggestionSpan[] suggestionSpans = spanned.getSpans(0, spanned.length(),
SuggestionSpan.class);
assertEquals(1, suggestionSpans.length);
final SuggestionSpan suggestionSpan = suggestionSpans[0];
if (reuiredSuggestionSpanFlags != 0) {
assertTrue((suggestionSpan.getFlags() & reuiredSuggestionSpanFlags) != 0);
}
if (requiredSpanFlags != 0) {
assertTrue((spanned.getSpanFlags(suggestionSpan) & requiredSpanFlags) != 0);
}
if (expectedSuggestions != null) {
final String[] actualSuggestions = suggestionSpan.getSuggestions();
assertEquals(expectedSuggestions.length, actualSuggestions.length);
for (int i = 0; i < expectedSuggestions.length; ++i) {
assertEquals(expectedSuggestions[i], actualSuggestions[i]);
}
}
}
@TargetApi(Build.VERSION_CODES.ICE_CREAM_SANDWICH_MR1)
public void testGetTextWithAutoCorrectionIndicatorUnderline() {
final String ORIGINAL_TEXT = "Hey!";
final CharSequence text = SuggestionSpanUtils.getTextWithAutoCorrectionIndicatorUnderline(
getContext(), ORIGINAL_TEXT);
if (Build.VERSION.SDK_INT < Build.VERSION_CODES.ICE_CREAM_SANDWICH_MR1) {
assertNotSuggestionSpan(ORIGINAL_TEXT, text);
return;
}
assertSuggestionSpan(ORIGINAL_TEXT,
SuggestionSpan.FLAG_AUTO_CORRECTION /* reuiredSuggestionSpanFlags */,
Spanned.SPAN_COMPOSING | Spanned.SPAN_EXCLUSIVE_EXCLUSIVE /* requiredSpanFlags */,
new String[]{}, text);
}
public void testGetTextWithSuggestionSpan() {
final SuggestedWordInfo prediction1 =
createWordInfo("Quality", SuggestedWordInfo.KIND_PREDICTION);
final SuggestedWordInfo prediction2 =
createWordInfo("Speed", SuggestedWordInfo.KIND_PREDICTION);
final SuggestedWordInfo prediction3 =
createWordInfo("Price", SuggestedWordInfo.KIND_PREDICTION);
final SuggestedWordInfo typed =
createWordInfo("Hey", SuggestedWordInfo.KIND_TYPED);
final SuggestedWordInfo[] corrections =
new SuggestedWordInfo[SuggestionSpan.SUGGESTIONS_MAX_SIZE * 2];
for (int i = 0; i < corrections.length; ++i) {
corrections[i] = createWordInfo("correction" + i, SuggestedWordInfo.KIND_CORRECTION);
}
// SuggestionSpan will not be attached when {@link SuggestedWords#INPUT_STYLE_PREDICTION}
// is specified.
{
final SuggestedWords predictedWords = new SuggestedWords(
new ArrayList<>(Arrays.asList(prediction1, prediction2, prediction3)),
null /* rawSuggestions */,
null /* typedWord */,
false /* typedWordValid */,
false /* willAutoCorrect */,
false /* isObsoleteSuggestions */,
SuggestedWords.INPUT_STYLE_PREDICTION,
SuggestedWords.NOT_A_SEQUENCE_NUMBER);
final String PICKED_WORD = prediction2.mWord;
assertNotSuggestionSpan(
PICKED_WORD,
SuggestionSpanUtils.getTextWithSuggestionSpan(getContext(), PICKED_WORD,
predictedWords));
}
final ArrayList<SuggestedWordInfo> suggestedWordList = new ArrayList<>();
suggestedWordList.add(typed);
suggestedWordList.add(prediction1);
suggestedWordList.add(prediction2);
suggestedWordList.add(prediction3);
suggestedWordList.addAll(Arrays.asList(corrections));
final SuggestedWords typedAndCollectedWords = new SuggestedWords(
suggestedWordList,
null /* rawSuggestions */,
null /* typedWord */,
false /* typedWordValid */,
false /* willAutoCorrect */,
false /* isObsoleteSuggestions */,
SuggestedWords.INPUT_STYLE_TYPING,
SuggestedWords.NOT_A_SEQUENCE_NUMBER);
for (final SuggestedWordInfo pickedWord : suggestedWordList) {
final String PICKED_WORD = pickedWord.mWord;
final ArrayList<String> expectedSuggestions = new ArrayList<>();
for (SuggestedWordInfo suggestedWordInfo : suggestedWordList) {
if (expectedSuggestions.size() >= SuggestionSpan.SUGGESTIONS_MAX_SIZE) {
break;
}
if (suggestedWordInfo.isKindOf(SuggestedWordInfo.KIND_PREDICTION)) {
// Currently predictions are not filled into SuggestionSpan.
continue;
}
final String suggestedWord = suggestedWordInfo.mWord;
if (TextUtils.equals(PICKED_WORD, suggestedWord)) {
// Typed word itself is not added to SuggestionSpan.
continue;
}
expectedSuggestions.add(suggestedWord);
}
assertSuggestionSpan(
PICKED_WORD,
0 /* reuiredSuggestionSpanFlags */,
Spanned.SPAN_EXCLUSIVE_EXCLUSIVE /* requiredSpanFlags */,
expectedSuggestions.toArray(new String[expectedSuggestions.size()]),
SuggestionSpanUtils.getTextWithSuggestionSpan(getContext(), PICKED_WORD,
typedAndCollectedWords));
}
}
public void testFindFirstLocaleFromSuggestionSpans() {
final String[] suggestions = new String[] {"Quality", "Speed", "Price"};
final SuggestionSpan nullLocaleSpan = new SuggestionSpan((Locale)null, suggestions, 0);
final SuggestionSpan emptyLocaleSpan = new SuggestionSpan(new Locale(""), suggestions, 0);
final SuggestionSpan enUsLocaleSpan = new SuggestionSpan(Locale.US, suggestions, 0);
final SuggestionSpan jaJpLocaleSpan = new SuggestionSpan(Locale.JAPAN, suggestions, 0);
assertEquals(null, SuggestionSpanUtils.findFirstLocaleFromSuggestionSpans(
new SuggestionSpan[] {}));
assertEquals(null, SuggestionSpanUtils.findFirstLocaleFromSuggestionSpans(
new SuggestionSpan[] {emptyLocaleSpan}));
assertEquals(Locale.US, SuggestionSpanUtils.findFirstLocaleFromSuggestionSpans(
new SuggestionSpan[] {enUsLocaleSpan}));
assertEquals(Locale.US, SuggestionSpanUtils.findFirstLocaleFromSuggestionSpans(
new SuggestionSpan[] {nullLocaleSpan, enUsLocaleSpan}));
assertEquals(Locale.US, SuggestionSpanUtils.findFirstLocaleFromSuggestionSpans(
new SuggestionSpan[] {nullLocaleSpan, emptyLocaleSpan, enUsLocaleSpan}));
assertEquals(Locale.JAPAN, SuggestionSpanUtils.findFirstLocaleFromSuggestionSpans(
new SuggestionSpan[] {nullLocaleSpan, jaJpLocaleSpan, enUsLocaleSpan}));
}
}
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