| /* |
| * Copyright (C) 2016 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 android.text.style.cts; |
| |
| import static org.junit.Assert.assertArrayEquals; |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertFalse; |
| import static org.junit.Assert.assertTrue; |
| |
| import android.annotation.NonNull; |
| import android.annotation.Nullable; |
| import android.content.Context; |
| import android.content.res.Configuration; |
| import android.os.LocaleList; |
| import android.os.Parcel; |
| import android.support.test.InstrumentationRegistry; |
| import android.support.test.filters.SmallTest; |
| import android.support.test.runner.AndroidJUnit4; |
| import android.text.style.SuggestionSpan; |
| |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| |
| import java.util.Locale; |
| |
| /** |
| * Test {@link SuggestionSpan}. |
| */ |
| @SmallTest |
| @RunWith(AndroidJUnit4.class) |
| public class SuggestionSpanTest { |
| @Test |
| public void testConstructorWithContext() { |
| final String[] suggestions = new String[] {"suggestion1", "suggestion2"}; |
| final Configuration overrideConfig = new Configuration(); |
| final Locale locale = Locale.forLanguageTag("az-Arab"); |
| overrideConfig.setLocales(new LocaleList(locale)); |
| final Context context = InstrumentationRegistry.getTargetContext(). |
| createConfigurationContext(overrideConfig); |
| |
| final SuggestionSpan span = new SuggestionSpan(context, suggestions, |
| SuggestionSpan.FLAG_AUTO_CORRECTION); |
| |
| assertEquals(locale, span.getLocaleObject()); |
| assertArrayEquals(suggestions, span.getSuggestions()); |
| assertEquals(SuggestionSpan.FLAG_AUTO_CORRECTION, span.getFlags()); |
| } |
| |
| @Test |
| public void testGetSuggestionSpans() { |
| final String[] suggestions = new String[]{"suggestion1", "suggestion2"}; |
| final SuggestionSpan span = new SuggestionSpan(Locale.forLanguageTag("en"), suggestions, |
| SuggestionSpan.FLAG_AUTO_CORRECTION); |
| assertArrayEquals("Should return the correct suggestions array", |
| suggestions, span.getSuggestions()); |
| |
| final SuggestionSpan clonedSpan = cloneViaParcel(span); |
| assertArrayEquals("Should (de)serialize suggestions", |
| suggestions, clonedSpan.getSuggestions()); |
| } |
| |
| @Test |
| public void testGetSuggestionSpans_emptySuggestions() { |
| final String[] suggestions = new String[0]; |
| final SuggestionSpan span = new SuggestionSpan(Locale.forLanguageTag("en"), suggestions, |
| SuggestionSpan.FLAG_AUTO_CORRECTION); |
| assertArrayEquals("Span should return empty suggestion array", |
| suggestions, span.getSuggestions()); |
| |
| // also test parceling |
| final SuggestionSpan clonedSpan = cloneViaParcel(span); |
| assertArrayEquals("Should (de)serialize empty suggestions array", |
| suggestions, clonedSpan.getSuggestions()); |
| } |
| |
| @Test |
| public void testGetSuggestionSpans_suggestionsWithNullValue() { |
| final String[] suggestions = new String[]{"suggestion", null}; |
| final SuggestionSpan span = new SuggestionSpan(Locale.forLanguageTag("en"), suggestions, |
| SuggestionSpan.FLAG_AUTO_CORRECTION); |
| assertArrayEquals("Should accept and return null suggestions", |
| suggestions, span.getSuggestions()); |
| |
| final SuggestionSpan clonedSpan = cloneViaParcel(span); |
| assertArrayEquals("Should (de)serialize null in suggestions array", |
| suggestions, clonedSpan.getSuggestions()); |
| } |
| |
| @Test |
| public void testGetFlags() { |
| final String[] anySuggestions = new String[0]; |
| final int flag = SuggestionSpan.FLAG_AUTO_CORRECTION; |
| SuggestionSpan span = new SuggestionSpan(Locale.forLanguageTag("en"), anySuggestions, flag); |
| |
| assertEquals("Should return the flag passed in constructor", |
| flag, span.getFlags()); |
| |
| final SuggestionSpan clonedSpan = cloneViaParcel(span); |
| assertEquals("Should (de)serialize flags", flag, clonedSpan.getFlags()); |
| } |
| |
| @Test |
| public void testEquals_returnsTrueForDeserializedInstances() { |
| final SuggestionSpan span1 = new SuggestionSpan(null, Locale.forLanguageTag("en"), |
| new String[0], SuggestionSpan.FLAG_AUTO_CORRECTION, SuggestionSpan.class); |
| final SuggestionSpan span2 = cloneViaParcel(span1); |
| |
| assertTrue("(De)serialized instances should be equal", span1.equals(span2)); |
| } |
| |
| @Test |
| public void testEquals_returnsTrueIfTheFlagsAreDifferent() { |
| final SuggestionSpan span1 = new SuggestionSpan(null, Locale.forLanguageTag("en"), |
| new String[0], SuggestionSpan.FLAG_AUTO_CORRECTION, SuggestionSpan.class); |
| final SuggestionSpan span2 = cloneViaParcel(span1); |
| span2.setFlags(SuggestionSpan.FLAG_EASY_CORRECT); |
| |
| assertEquals("Should return the flag passed in set function", |
| SuggestionSpan.FLAG_EASY_CORRECT, span2.getFlags()); |
| |
| assertTrue("Instances with different flags should be equal", span1.equals(span2)); |
| } |
| |
| @Test |
| public void testEquals_returnsFalseIfCreationTimeIsNotSame() { |
| final Locale anyLocale = Locale.forLanguageTag("en"); |
| final String[] anySuggestions = new String[0]; |
| final int anyFlags = SuggestionSpan.FLAG_AUTO_CORRECTION; |
| final Class anyClass = SuggestionSpan.class; |
| |
| final SuggestionSpan span1 = new SuggestionSpan(null, anyLocale, anySuggestions, anyFlags, |
| anyClass); |
| try { |
| // let some time pass before constructing the other span |
| Thread.sleep(2); |
| } catch (InterruptedException e) { |
| // ignore |
| } |
| final SuggestionSpan span2 = new SuggestionSpan(null, anyLocale, anySuggestions, anyFlags, |
| anyClass); |
| |
| assertFalse("Instances created at different time should not be equal", span2.equals(span1)); |
| } |
| |
| /** |
| * @param locale a {@link Locale} object. |
| * @return A well-formed BCP 47 language tag representation. |
| */ |
| @Nullable |
| private Locale toWellFormedLocale(@Nullable final Locale locale) { |
| if (locale == null) { |
| return null; |
| } |
| // Drop all the malformed data. |
| return Locale.forLanguageTag(locale.toLanguageTag()); |
| } |
| |
| @NonNull |
| private String getNonNullLocaleString(@Nullable final Locale original) { |
| if (original == null) { |
| return ""; |
| } |
| return original.toString(); |
| } |
| |
| private void verifyGetLocaleObject(final Locale locale) { |
| final SuggestionSpan span = new SuggestionSpan(locale, new String[0], |
| SuggestionSpan.FLAG_AUTO_CORRECTION); |
| // In the context of SuggestionSpan#getLocaleObject(), we do care only about subtags that |
| // can be interpreted as LanguageTag. |
| assertEquals(toWellFormedLocale(locale), span.getLocaleObject()); |
| assertEquals(getNonNullLocaleString(locale), span.getLocale()); |
| |
| final SuggestionSpan cloned = cloneViaParcel(span); |
| assertEquals(span, cloned); |
| assertEquals(toWellFormedLocale(locale), cloned.getLocaleObject()); |
| assertEquals(getNonNullLocaleString(locale), cloned.getLocale()); |
| } |
| |
| @Test |
| public void testGetLocaleObject() { |
| verifyGetLocaleObject(Locale.forLanguageTag("en")); |
| verifyGetLocaleObject(Locale.forLanguageTag("en-GB")); |
| verifyGetLocaleObject(Locale.forLanguageTag("EN-GB")); |
| verifyGetLocaleObject(Locale.forLanguageTag("en-gb")); |
| verifyGetLocaleObject(Locale.forLanguageTag("En-gB")); |
| verifyGetLocaleObject(Locale.forLanguageTag("und")); |
| verifyGetLocaleObject(Locale.forLanguageTag("de-DE-u-co-phonebk")); |
| verifyGetLocaleObject(Locale.forLanguageTag("")); |
| verifyGetLocaleObject(null); |
| verifyGetLocaleObject(new Locale(" an ", " i n v a l i d ", "data")); |
| } |
| |
| @NonNull |
| SuggestionSpan cloneViaParcel(@NonNull final SuggestionSpan original) { |
| Parcel parcel = null; |
| try { |
| parcel = Parcel.obtain(); |
| original.writeToParcel(parcel, 0); |
| parcel.setDataPosition(0); |
| return new SuggestionSpan(parcel); |
| } finally { |
| if (parcel != null) { |
| parcel.recycle(); |
| } |
| } |
| } |
| } |