| /* |
| * Copyright (C) 2008 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; |
| |
| import static org.junit.Assert.assertEquals; |
| |
| import android.graphics.Typeface; |
| import android.os.Parcel; |
| import android.platform.test.annotations.Presubmit; |
| import android.text.style.CharacterStyle; |
| import android.text.style.StyleSpan; |
| import android.text.style.TextAppearanceSpan; |
| import android.text.style.TypefaceSpan; |
| |
| import androidx.test.filters.SmallTest; |
| import androidx.test.runner.AndroidJUnit4; |
| |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| |
| /** |
| * SpannedTest tests some features of Spanned |
| */ |
| @Presubmit |
| @SmallTest |
| @RunWith(AndroidJUnit4.class) |
| public class SpannedTest { |
| private int mExpect; |
| |
| @Test |
| public void testSpannableString() { |
| checkPriority(new SpannableString("the quick brown fox")); |
| } |
| |
| @Test |
| public void testSpannableStringBuilder() { |
| checkPriority2(new SpannableStringBuilder("the quick brown fox")); |
| } |
| |
| @Test |
| public void testAppend() { |
| Object o = new Object(); |
| SpannableString ss = new SpannableString("Test"); |
| ss.setSpan(o, 0, ss.length(), Spannable.SPAN_EXCLUSIVE_EXCLUSIVE); |
| |
| SpannableStringBuilder ssb = new SpannableStringBuilder(); |
| ssb.append(ss); |
| assertEquals(0, ssb.getSpanStart(o)); |
| assertEquals(4, ssb.getSpanEnd(o)); |
| assertEquals(1, ssb.getSpans(0, 4, Object.class).length); |
| |
| ssb.insert(0, ss); |
| assertEquals(4, ssb.getSpanStart(o)); |
| assertEquals(8, ssb.getSpanEnd(o)); |
| assertEquals(0, ssb.getSpans(0, 4, Object.class).length); |
| assertEquals(1, ssb.getSpans(4, 8, Object.class).length); |
| } |
| |
| @Test |
| public void testWrapParcel() { |
| SpannableString s = new SpannableString("Hello there world"); |
| CharacterStyle mark = new StyleSpan(Typeface.BOLD); |
| s.setSpan(mark, 1, 2, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE); |
| s.setSpan(CharacterStyle.wrap(mark), 3, 7, |
| Spannable.SPAN_EXCLUSIVE_EXCLUSIVE); |
| s.setSpan(new TextAppearanceSpan("mono", 0, -1, null, null), 7, 8, |
| Spannable.SPAN_EXCLUSIVE_EXCLUSIVE); |
| s.setSpan(CharacterStyle.wrap(new TypefaceSpan("mono")), 8, 9, |
| Spannable.SPAN_EXCLUSIVE_EXCLUSIVE); |
| |
| Parcel p = Parcel.obtain(); |
| TextUtils.writeToParcel(s, p, 0); |
| p.setDataPosition(0); |
| |
| Spanned s2 = (Spanned) TextUtils.CHAR_SEQUENCE_CREATOR. |
| createFromParcel(p); |
| StyleSpan[] style; |
| |
| style = s2.getSpans(1, 2, StyleSpan.class); |
| assertEquals(1, style.length); |
| assertEquals(1, s2.getSpanStart(style[0])); |
| assertEquals(2, s2.getSpanEnd(style[0])); |
| |
| style = s2.getSpans(3, 7, StyleSpan.class); |
| assertEquals(1, style.length); |
| assertEquals(3, s2.getSpanStart(style[0])); |
| assertEquals(7, s2.getSpanEnd(style[0])); |
| |
| TextAppearanceSpan[] appearance = s2.getSpans(7, 8, |
| TextAppearanceSpan.class); |
| assertEquals(1, appearance.length); |
| assertEquals(7, s2.getSpanStart(appearance[0])); |
| assertEquals(8, s2.getSpanEnd(appearance[0])); |
| |
| TypefaceSpan[] tf = s2.getSpans(8, 9, TypefaceSpan.class); |
| assertEquals(1, tf.length); |
| assertEquals(8, s2.getSpanStart(tf[0])); |
| assertEquals(9, s2.getSpanEnd(tf[0])); |
| } |
| |
| private void checkPriority(Spannable s) { |
| s.setSpan(new Object(), 0, 1, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE | |
| (5 << Spannable.SPAN_PRIORITY_SHIFT)); |
| s.setSpan(new Object(), 0, 1, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE | |
| (10 << Spannable.SPAN_PRIORITY_SHIFT)); |
| s.setSpan(new Object(), 0, 1, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE | |
| (0 << Spannable.SPAN_PRIORITY_SHIFT)); |
| s.setSpan(new Object(), 0, 1, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE | |
| (15 << Spannable.SPAN_PRIORITY_SHIFT)); |
| s.setSpan(new Object(), 0, 1, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE | |
| (3 << Spannable.SPAN_PRIORITY_SHIFT)); |
| s.setSpan(new Object(), 0, 1, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE | |
| (6 << Spannable.SPAN_PRIORITY_SHIFT)); |
| s.setSpan(new Object(), 0, 1, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE | |
| (0 << Spannable.SPAN_PRIORITY_SHIFT)); |
| |
| Object[] spans = s.getSpans(0, s.length(), Object.class); |
| |
| for (int i = 0; i < spans.length - 1; i++) { |
| assertEquals((s.getSpanFlags(spans[i]) & Spanned.SPAN_PRIORITY) >= |
| (s.getSpanFlags(spans[i + 1]) & Spanned.SPAN_PRIORITY), |
| true); |
| } |
| |
| mExpect = 0; |
| |
| s.setSpan(new Watcher(2), 0, s.length(), |
| Spannable.SPAN_INCLUSIVE_INCLUSIVE | |
| (2 << Spannable.SPAN_PRIORITY_SHIFT)); |
| s.setSpan(new Watcher(4), 0, s.length(), |
| Spannable.SPAN_INCLUSIVE_INCLUSIVE | |
| (4 << Spannable.SPAN_PRIORITY_SHIFT)); |
| s.setSpan(new Watcher(1), 0, s.length(), |
| Spannable.SPAN_INCLUSIVE_INCLUSIVE | |
| (1 << Spannable.SPAN_PRIORITY_SHIFT)); |
| s.setSpan(new Watcher(3), 0, s.length(), |
| Spannable.SPAN_INCLUSIVE_INCLUSIVE | |
| (3 << Spannable.SPAN_PRIORITY_SHIFT)); |
| |
| mExpect = 4; |
| s.setSpan(new Object(), 0, 1, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE); |
| assertEquals(mExpect, 0); |
| } |
| |
| private void checkPriority2(SpannableStringBuilder ssb) { |
| checkPriority(ssb); |
| |
| mExpect = 4; |
| ssb.insert(3, "something"); |
| assertEquals(mExpect, 0); |
| } |
| |
| private class Watcher implements SpanWatcher, TextWatcher { |
| private int mSequence; |
| |
| public Watcher(int sequence) { |
| mSequence = sequence; |
| } |
| |
| @Override |
| public void onSpanChanged(Spannable b, Object o, int s, int e, int st, int en) { } |
| |
| @Override |
| public void onSpanRemoved(Spannable b, Object o, int s, int e) { } |
| |
| @Override |
| public void onSpanAdded(Spannable b, Object o, int s, int e) { |
| if (mExpect != 0) { |
| assertEquals(mSequence, mExpect); |
| mExpect = mSequence - 1; |
| } |
| } |
| |
| @Override |
| public void beforeTextChanged(CharSequence s, int start, int count, int after) { } |
| |
| @Override |
| public void onTextChanged(CharSequence s, int start, int before, int count) { |
| if (mExpect != 0) { |
| assertEquals(mSequence, mExpect); |
| mExpect = mSequence - 1; |
| } |
| } |
| |
| @Override |
| public void afterTextChanged(Editable s) { } |
| } |
| } |