| /* |
| * Copyright 2018 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 androidx.emoji.text; |
| |
| import static androidx.emoji.util.Emoji.EMOJI_FLAG; |
| import static androidx.emoji.util.Emoji.EMOJI_GENDER; |
| import static androidx.emoji.util.Emoji.EMOJI_WITH_ZWJ; |
| import static androidx.emoji.util.EmojiMatcher.hasEmoji; |
| import static androidx.emoji.util.EmojiMatcher.hasEmojiCount; |
| import static androidx.emoji.util.KeyboardUtil.altDel; |
| import static androidx.emoji.util.KeyboardUtil.ctrlDel; |
| import static androidx.emoji.util.KeyboardUtil.del; |
| import static androidx.emoji.util.KeyboardUtil.fnDel; |
| import static androidx.emoji.util.KeyboardUtil.forwardDel; |
| import static androidx.emoji.util.KeyboardUtil.shiftDel; |
| import static androidx.emoji.util.KeyboardUtil.zero; |
| |
| import static org.hamcrest.MatcherAssert.assertThat; |
| import static org.hamcrest.core.IsNot.not; |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertFalse; |
| import static org.junit.Assert.assertTrue; |
| |
| import android.support.test.filters.SdkSuppress; |
| import android.support.test.filters.SmallTest; |
| import android.support.test.runner.AndroidJUnit4; |
| import android.text.Editable; |
| import android.text.Selection; |
| import android.text.SpannableStringBuilder; |
| import android.view.KeyEvent; |
| |
| import androidx.emoji.util.TestString; |
| |
| import org.junit.Before; |
| import org.junit.BeforeClass; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| |
| @SmallTest |
| @RunWith(AndroidJUnit4.class) |
| @SdkSuppress(minSdkVersion = 19) |
| public class HardDeleteTest { |
| |
| private TestString mTestString; |
| private Editable mEditable; |
| |
| @BeforeClass |
| public static void setupEmojiCompat() { |
| EmojiCompat.reset(TestConfigBuilder.config()); |
| } |
| |
| @Before |
| public void setup() { |
| mTestString = new TestString(EMOJI_WITH_ZWJ).withPrefix().withSuffix(); |
| mEditable = new SpannableStringBuilder(mTestString.toString()); |
| EmojiCompat.get().process(mEditable); |
| assertThat(mEditable, hasEmojiCount(1)); |
| assertThat(mEditable, hasEmoji(EMOJI_WITH_ZWJ)); |
| } |
| |
| @Test |
| public void testOnKeyDown_doesNotDelete_whenKeyCodeIsNotDelOrForwardDel() { |
| Selection.setSelection(mEditable, mTestString.emojiEndIndex()); |
| final KeyEvent event = zero(); |
| assertFalse(EmojiCompat.handleOnKeyDown(mEditable, event.getKeyCode(), event)); |
| assertThat(mEditable, hasEmoji()); |
| assertEquals(mTestString.toString(), mEditable.toString()); |
| } |
| |
| @Test |
| public void testOnKeyDown_doesNotDelete_withOtherModifiers() { |
| Selection.setSelection(mEditable, mTestString.emojiEndIndex()); |
| final KeyEvent event = fnDel(); |
| assertFalse(EmojiCompat.handleOnKeyDown(mEditable, event.getKeyCode(), event)); |
| assertThat(mEditable, hasEmoji()); |
| assertEquals(mTestString.toString(), mEditable.toString()); |
| } |
| |
| @Test |
| public void testOnKeyDown_doesNotDelete_withAltModifier() { |
| Selection.setSelection(mEditable, mTestString.emojiEndIndex()); |
| final KeyEvent event = altDel(); |
| assertFalse(EmojiCompat.handleOnKeyDown(mEditable, event.getKeyCode(), event)); |
| assertThat(mEditable, hasEmoji()); |
| assertEquals(mTestString.toString(), mEditable.toString()); |
| } |
| |
| @Test |
| public void testOnKeyDown_doesNotDelete_withCtrlModifier() { |
| Selection.setSelection(mEditable, mTestString.emojiEndIndex()); |
| final KeyEvent event = ctrlDel(); |
| assertFalse(EmojiCompat.handleOnKeyDown(mEditable, event.getKeyCode(), event)); |
| assertThat(mEditable, hasEmoji()); |
| assertEquals(mTestString.toString(), mEditable.toString()); |
| } |
| |
| @Test |
| public void testOnKeyDown_doesNotDelete_withShiftModifier() { |
| Selection.setSelection(mEditable, mTestString.emojiEndIndex()); |
| final KeyEvent event = shiftDel(); |
| assertFalse(EmojiCompat.handleOnKeyDown(mEditable, event.getKeyCode(), event)); |
| assertThat(mEditable, hasEmoji()); |
| assertEquals(mTestString.toString(), mEditable.toString()); |
| } |
| |
| @Test |
| public void testOnKeyDown_doesNotDelete_withSelectionLongerThanZeroLength() { |
| // when there is a selection which is longer than 0, it should not delete. |
| Selection.setSelection(mEditable, 0, mEditable.length()); |
| final KeyEvent event = del(); |
| assertFalse(EmojiCompat.handleOnKeyDown(mEditable, event.getKeyCode(), event)); |
| assertThat(mEditable, hasEmoji()); |
| assertEquals(mTestString.toString(), mEditable.toString()); |
| } |
| |
| @Test |
| public void testOnKeyDown_doesNotDelete_withoutEmojiSpans() { |
| final Editable editable = new SpannableStringBuilder("abc"); |
| Selection.setSelection(editable, 1); |
| final KeyEvent event = del(); |
| assertFalse(EmojiCompat.handleOnKeyDown(mEditable, event.getKeyCode(), event)); |
| assertThat(mEditable, hasEmoji()); |
| assertEquals(mTestString.toString(), mEditable.toString()); |
| } |
| |
| @Test |
| public void testOnKeyDown_doesNotDelete_whenNoSpansBefore() { |
| Selection.setSelection(mEditable, mTestString.emojiStartIndex()); |
| final KeyEvent event = del(); |
| assertFalse(EmojiCompat.handleOnKeyDown(mEditable, event.getKeyCode(), event)); |
| assertThat(mEditable, hasEmoji()); |
| assertEquals(mTestString.toString(), mEditable.toString()); |
| } |
| |
| @Test |
| public void testOnKeyDown_deletesEmoji() { |
| Selection.setSelection(mEditable, mTestString.emojiEndIndex()); |
| final KeyEvent event = del(); |
| assertTrue(EmojiCompat.handleOnKeyDown(mEditable, event.getKeyCode(), event)); |
| assertThat(mEditable, not(hasEmoji())); |
| assertEquals(new TestString().withPrefix().withSuffix().toString(), mEditable.toString()); |
| } |
| |
| @Test |
| public void testOnKeyDown_doesNotForwardDeleteEmoji_withNoSpansAfter() { |
| Selection.setSelection(mEditable, mTestString.emojiEndIndex()); |
| final KeyEvent event = forwardDel(); |
| assertFalse(EmojiCompat.handleOnKeyDown(mEditable, event.getKeyCode(), event)); |
| assertThat(mEditable, hasEmoji()); |
| assertEquals(mTestString.toString(), mEditable.toString()); |
| } |
| |
| @Test |
| public void testOnKeyDown_forwardDeletesEmoji() { |
| Selection.setSelection(mEditable, mTestString.emojiStartIndex()); |
| final KeyEvent event = forwardDel(); |
| assertTrue(EmojiCompat.handleOnKeyDown(mEditable, event.getKeyCode(), event)); |
| assertThat(mEditable, not(hasEmoji())); |
| assertEquals(new TestString().withPrefix().withSuffix().toString(), mEditable.toString()); |
| } |
| |
| @Test |
| public void testOnKeyDown_deletesEmoji_ifSelectionIsInSpanBoundaries() { |
| Selection.setSelection(mEditable, mTestString.emojiStartIndex() + 1); |
| final KeyEvent delEvent = del(); |
| assertTrue(EmojiCompat.handleOnKeyDown(mEditable, delEvent.getKeyCode(), delEvent)); |
| assertThat(mEditable, not(hasEmoji())); |
| assertEquals(new TestString().withPrefix().withSuffix().toString(), mEditable.toString()); |
| } |
| |
| @Test |
| public void testOnKeyDown_deletesEmoji_ifSelectionIsInSpanBoundaries_withForwardDel() { |
| Selection.setSelection(mEditable, mTestString.emojiStartIndex() + 1); |
| final KeyEvent forwardDelEvent = forwardDel(); |
| assertTrue(EmojiCompat.handleOnKeyDown(mEditable, forwardDelEvent.getKeyCode(), |
| forwardDelEvent)); |
| assertThat(mEditable, not(hasEmoji())); |
| assertEquals(new TestString().withPrefix().withSuffix().toString(), mEditable.toString()); |
| } |
| |
| @Test |
| public void testOnKeyDown_deletesOnlyEmojiBeforeTheCursor() { |
| // contains three emojis |
| mTestString = new TestString(EMOJI_FLAG) |
| .append(EMOJI_WITH_ZWJ) |
| .append(EMOJI_GENDER) |
| .withPrefix().withSuffix(); |
| mEditable = new SpannableStringBuilder(mTestString.toString()); |
| EmojiCompat.get().process(mEditable); |
| |
| // put the cursor after the second emoji |
| Selection.setSelection(mEditable, mTestString.emojiStartIndex() |
| + EMOJI_FLAG.charCount() |
| + EMOJI_WITH_ZWJ.charCount()); |
| |
| // delete |
| final KeyEvent forwardDelEvent = del(); |
| assertTrue(EmojiCompat.handleOnKeyDown(mEditable, forwardDelEvent.getKeyCode(), |
| forwardDelEvent)); |
| |
| assertThat(mEditable, hasEmojiCount(2)); |
| assertThat(mEditable, hasEmoji(EMOJI_FLAG)); |
| assertThat(mEditable, hasEmoji(EMOJI_GENDER)); |
| |
| assertEquals(new TestString(EMOJI_FLAG).append(EMOJI_GENDER) |
| .withPrefix().withSuffix().toString(), mEditable.toString()); |
| } |
| |
| } |