Move tests with private APIs to coretests

Tests have been moved from CTS tests, with some small modifications.

Test: adb shell am instrument -w -e package android.text com.android.frameworks.coretests/android.support.test.runner.AndroidJUnitRunner
Bug: 37780152
Change-Id: I87ce084276db0f1157260bbeb0c9009c5227bfcf
This commit is contained in:
Roozbeh Pournader
2017-06-06 11:31:33 -07:00
parent a3112ceedc
commit 02f167c35a
9 changed files with 1585 additions and 5 deletions

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/*
* Copyright (C) 2013 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.support.test.filters.SmallTest;
import android.support.test.runner.AndroidJUnit4;
import org.junit.Test;
import org.junit.runner.RunWith;
@SmallTest
@RunWith(AndroidJUnit4.class)
public class BidiFormatterTest {
private static final BidiFormatter LTR_FMT = BidiFormatter.getInstance(false /* LTR context */);
private static final BidiFormatter RTL_FMT = BidiFormatter.getInstance(true /* RTL context */);
private static final String EN = "abba";
private static final String HE = "\u05E0\u05E1";
private static final String LRM = "\u200E";
private static final String RLM = "\u200F";
@Test
public void testMarkAfter() {
assertEquals("uniform dir matches LTR context",
"", LTR_FMT.markAfter(EN, TextDirectionHeuristics.LTR));
assertEquals("uniform dir matches RTL context",
"", RTL_FMT.markAfter(HE, TextDirectionHeuristics.RTL));
assertEquals("exit dir opposite to LTR context",
LRM, LTR_FMT.markAfter(EN + HE, TextDirectionHeuristics.LTR));
assertEquals("exit dir opposite to RTL context",
RLM, RTL_FMT.markAfter(HE + EN, TextDirectionHeuristics.RTL));
assertEquals("overall dir (but not exit dir) opposite to LTR context",
LRM, LTR_FMT.markAfter(HE + EN, TextDirectionHeuristics.RTL));
assertEquals("overall dir (but not exit dir) opposite to RTL context",
RLM, RTL_FMT.markAfter(EN + HE, TextDirectionHeuristics.LTR));
assertEquals("exit dir neutral, overall dir matches LTR context",
"", LTR_FMT.markAfter(".", TextDirectionHeuristics.LTR));
assertEquals("exit dir neutral, overall dir matches RTL context",
"", RTL_FMT.markAfter(".", TextDirectionHeuristics.RTL));
}
@Test
public void testMarkBefore() {
assertEquals("uniform dir matches LTR context",
"", LTR_FMT.markBefore(EN, TextDirectionHeuristics.LTR));
assertEquals("uniform dir matches RTL context",
"", RTL_FMT.markBefore(HE, TextDirectionHeuristics.RTL));
assertEquals("entry dir opposite to LTR context",
LRM, LTR_FMT.markBefore(HE + EN, TextDirectionHeuristics.LTR));
assertEquals("entry dir opposite to RTL context",
RLM, RTL_FMT.markBefore(EN + HE, TextDirectionHeuristics.RTL));
assertEquals("overall dir (but not entry dir) opposite to LTR context",
LRM, LTR_FMT.markBefore(EN + HE, TextDirectionHeuristics.RTL));
assertEquals("overall dir (but not entry dir) opposite to RTL context",
RLM, RTL_FMT.markBefore(HE + EN, TextDirectionHeuristics.LTR));
assertEquals("exit dir neutral, overall dir matches LTR context",
"", LTR_FMT.markBefore(".", TextDirectionHeuristics.LTR));
assertEquals("exit dir neutral, overall dir matches RTL context",
"", RTL_FMT.markBefore(".", TextDirectionHeuristics.RTL));
}
}

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/*
* 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 static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.assertSame;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;
import android.graphics.Bitmap;
import android.graphics.Canvas;
import android.graphics.Paint;
import android.graphics.Path;
import android.graphics.Rect;
import android.graphics.RectF;
import android.support.test.filters.SmallTest;
import android.support.test.runner.AndroidJUnit4;
import android.text.Layout.Alignment;
import android.text.style.StrikethroughSpan;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import java.util.ArrayList;
import java.util.List;
@SmallTest
@RunWith(AndroidJUnit4.class)
public class LayoutTest {
private static final int LINE_COUNT = 5;
private static final int LINE_HEIGHT = 12;
private static final int LINE_DESCENT = 4;
private static final CharSequence LAYOUT_TEXT = "alwei\t;sdfs\ndf @";
private SpannableString mSpannedText;
private int mWidth;
private Layout.Alignment mAlign;
private float mSpacingMult;
private float mSpacingAdd;
private TextPaint mTextPaint;
@Before
public void setup() {
mTextPaint = new TextPaint();
mSpannedText = new SpannableString(LAYOUT_TEXT);
mSpannedText.setSpan(new StrikethroughSpan(), 0, 1, Spannable.SPAN_INCLUSIVE_EXCLUSIVE);
mWidth = 11;
mAlign = Alignment.ALIGN_CENTER;
mSpacingMult = 1;
mSpacingAdd = 2;
}
@Test
public void testConstructor() {
new MockLayout(LAYOUT_TEXT, mTextPaint, mWidth, mAlign, mSpacingMult, mSpacingAdd);
}
@Test(expected = IllegalArgumentException.class)
public void testConstructorNull() {
new MockLayout(null, null, -1, null, 0, 0);
}
@Test
public void testGetText() {
CharSequence text = "test case 1";
Layout layout = new MockLayout(text, mTextPaint, mWidth,
mAlign, mSpacingMult, mSpacingAdd);
assertEquals(text, layout.getText());
layout = new MockLayout(null, mTextPaint, mWidth, mAlign, mSpacingMult, mSpacingAdd);
assertNull(layout.getText());
}
@Test
public void testGetPaint() {
Layout layout = new MockLayout(LAYOUT_TEXT, mTextPaint, mWidth,
mAlign, mSpacingMult, mSpacingAdd);
assertSame(mTextPaint, layout.getPaint());
layout = new MockLayout(LAYOUT_TEXT, null, mWidth, mAlign, mSpacingMult, mSpacingAdd);
assertNull(layout.getPaint());
}
@Test
public void testGetWidth() {
Layout layout = new MockLayout(LAYOUT_TEXT, mTextPaint, 10,
mAlign, mSpacingMult, mSpacingAdd);
assertEquals(10, layout.getWidth());
layout = new MockLayout(LAYOUT_TEXT, mTextPaint, 0, mAlign, mSpacingMult, mSpacingAdd);
assertEquals(0, layout.getWidth());
}
@Test
public void testGetEllipsizedWidth() {
Layout layout = new MockLayout(LAYOUT_TEXT, mTextPaint, 15,
mAlign, mSpacingMult, mSpacingAdd);
assertEquals(15, layout.getEllipsizedWidth());
layout = new MockLayout(LAYOUT_TEXT, mTextPaint, 0, mAlign, mSpacingMult, mSpacingAdd);
assertEquals(0, layout.getEllipsizedWidth());
}
@Test
public void testIncreaseWidthTo() {
Layout layout = new MockLayout(LAYOUT_TEXT, mTextPaint, mWidth,
mAlign, mSpacingMult, mSpacingAdd);
int oldWidth = layout.getWidth();
layout.increaseWidthTo(oldWidth);
assertEquals(oldWidth, layout.getWidth());
try {
layout.increaseWidthTo(oldWidth - 1);
fail("should throw runtime exception attempted to reduce Layout width");
} catch (RuntimeException e) {
}
layout.increaseWidthTo(oldWidth + 1);
assertEquals(oldWidth + 1, layout.getWidth());
}
@Test
public void testGetHeight() {
Layout layout = new MockLayout(LAYOUT_TEXT, mTextPaint, mWidth,
mAlign, mSpacingMult, mSpacingAdd);
assertEquals(60, layout.getHeight());
}
@Test
public void testGetAlignment() {
Layout layout = new MockLayout(LAYOUT_TEXT, mTextPaint, mWidth,
mAlign, mSpacingMult, mSpacingAdd);
assertSame(mAlign, layout.getAlignment());
layout = new MockLayout(LAYOUT_TEXT, mTextPaint, mWidth, null, mSpacingMult, mSpacingAdd);
assertNull(layout.getAlignment());
}
@Test
public void testGetSpacingMultiplier() {
Layout layout = new MockLayout(LAYOUT_TEXT, mTextPaint, mWidth, mAlign, -1, mSpacingAdd);
assertEquals(-1.0f, layout.getSpacingMultiplier(), 0.0f);
layout = new MockLayout(LAYOUT_TEXT, mTextPaint, mWidth, mAlign, 5, mSpacingAdd);
assertEquals(5.0f, layout.getSpacingMultiplier(), 0.0f);
}
@Test
public void testGetSpacingAdd() {
Layout layout = new MockLayout(LAYOUT_TEXT, mTextPaint, mWidth, mAlign, mSpacingMult, -1);
assertEquals(-1.0f, layout.getSpacingAdd(), 0.0f);
layout = new MockLayout(LAYOUT_TEXT, mTextPaint, mWidth, mAlign, mSpacingMult, 20);
assertEquals(20.0f, layout.getSpacingAdd(), 0.0f);
}
@Test
public void testGetLineBounds() {
Layout layout = new MockLayout(LAYOUT_TEXT, mTextPaint, mWidth,
mAlign, mSpacingMult, mSpacingAdd);
Rect bounds = new Rect();
assertEquals(32, layout.getLineBounds(2, bounds));
assertEquals(0, bounds.left);
assertEquals(mWidth, bounds.right);
assertEquals(24, bounds.top);
assertEquals(36, bounds.bottom);
}
@Test
public void testGetLineForVertical() {
Layout layout = new MockLayout(LAYOUT_TEXT, mTextPaint, mWidth,
mAlign, mSpacingMult, mSpacingAdd);
assertEquals(0, layout.getLineForVertical(-1));
assertEquals(0, layout.getLineForVertical(0));
assertEquals(0, layout.getLineForVertical(LINE_COUNT));
assertEquals(LINE_COUNT - 1, layout.getLineForVertical(1000));
}
@Test
public void testGetLineForOffset() {
Layout layout = new MockLayout(LAYOUT_TEXT, mTextPaint, mWidth,
mAlign, mSpacingMult, mSpacingAdd);
assertEquals(0, layout.getLineForOffset(-1));
assertEquals(1, layout.getLineForOffset(1));
assertEquals(LINE_COUNT - 1, layout.getLineForOffset(LINE_COUNT - 1));
assertEquals(LINE_COUNT - 1, layout.getLineForOffset(1000));
}
@Test
public void testGetLineEnd() {
Layout layout = new MockLayout(LAYOUT_TEXT, mTextPaint, mWidth,
mAlign, mSpacingMult, mSpacingAdd);
assertEquals(2, layout.getLineEnd(1));
}
@Test
public void testGetLineVisibleEnd() {
Layout layout = new MockLayout(LAYOUT_TEXT, mTextPaint, mWidth,
mAlign, mSpacingMult, mSpacingAdd);
assertEquals(2, layout.getLineVisibleEnd(1));
assertEquals(LINE_COUNT, layout.getLineVisibleEnd(LINE_COUNT - 1));
assertEquals(LAYOUT_TEXT.length(), layout.getLineVisibleEnd(LAYOUT_TEXT.length() - 1));
try {
layout.getLineVisibleEnd(LAYOUT_TEXT.length());
fail("should throw .StringIndexOutOfBoundsException here");
} catch (StringIndexOutOfBoundsException e) {
}
}
@Test
public void testGetLineBottom() {
Layout layout = new MockLayout(LAYOUT_TEXT, mTextPaint, mWidth,
mAlign, mSpacingMult, mSpacingAdd);
assertEquals(LINE_HEIGHT, layout.getLineBottom(0));
}
@Test
public void testGetLineBaseline() {
Layout layout = new MockLayout(LAYOUT_TEXT, mTextPaint, mWidth,
mAlign, mSpacingMult, mSpacingAdd);
assertEquals(8, layout.getLineBaseline(0));
}
@Test
public void testGetLineAscent() {
Layout layout = new MockLayout(LAYOUT_TEXT, mTextPaint, mWidth,
mAlign, mSpacingMult, mSpacingAdd);
assertEquals(-8, layout.getLineAscent(0));
}
@Test
public void testGetParagraphAlignment() {
Layout layout = new MockLayout(LAYOUT_TEXT, mTextPaint, mWidth,
mAlign, mSpacingMult, mSpacingAdd);
assertSame(mAlign, layout.getParagraphAlignment(0));
layout = new MockLayout(mSpannedText, mTextPaint, mWidth,
mAlign, mSpacingMult, mSpacingAdd);
assertSame(mAlign, layout.getParagraphAlignment(0));
assertSame(mAlign, layout.getParagraphAlignment(1));
}
@Test
public void testGetParagraphLeft() {
Layout layout = new MockLayout(LAYOUT_TEXT, mTextPaint, mWidth,
mAlign, mSpacingMult, mSpacingAdd);
assertEquals(0, layout.getParagraphLeft(0));
}
@Test
public void testGetParagraphRight() {
Layout layout = new MockLayout(LAYOUT_TEXT, mTextPaint, mWidth,
mAlign, mSpacingMult, mSpacingAdd);
assertEquals(mWidth, layout.getParagraphRight(0));
}
@Test
public void testIsSpanned() {
MockLayout layout = new MockLayout(LAYOUT_TEXT, mTextPaint, mWidth,
mAlign, mSpacingMult, mSpacingAdd);
// default is not spanned text
assertFalse(layout.mockIsSpanned());
// try to create a spanned text
layout = new MockLayout(mSpannedText, mTextPaint, mWidth,
mAlign, mSpacingMult, mSpacingAdd);
assertTrue(layout.mockIsSpanned());
}
private static final class MockLayout extends Layout {
MockLayout(CharSequence text, TextPaint paint, int width,
Alignment align, float spacingmult, float spacingadd) {
super(text, paint, width, align, spacingmult, spacingadd);
}
protected boolean mockIsSpanned() {
return super.isSpanned();
}
@Override
public int getBottomPadding() {
return 0;
}
@Override
public int getEllipsisCount(int line) {
return 0;
}
@Override
public int getEllipsisStart(int line) {
return 0;
}
@Override
public boolean getLineContainsTab(int line) {
return false;
}
@Override
public int getLineCount() {
return LINE_COUNT;
}
@Override
public int getLineDescent(int line) {
return LINE_DESCENT;
}
@Override
public Directions getLineDirections(int line) {
return Layout.DIRS_ALL_LEFT_TO_RIGHT;
}
@Override
public int getLineStart(int line) {
if (line < 0) {
return 0;
}
return line;
}
@Override
public int getLineTop(int line) {
if (line < 0) {
return 0;
}
return LINE_HEIGHT * (line);
}
@Override
public int getParagraphDirection(int line) {
return 0;
}
@Override
public int getTopPadding() {
return 0;
}
}
@Test
public void testGetLineWidth() {
Layout layout = new MockLayout(LAYOUT_TEXT, mTextPaint, mWidth,
mAlign, mSpacingMult, mSpacingAdd);
for (int i = 0; i < LINE_COUNT; i++) {
int start = layout.getLineStart(i);
int end = layout.getLineEnd(i);
String text = LAYOUT_TEXT.toString().substring(start, end);
assertEquals(mTextPaint.measureText(text), layout.getLineWidth(i), 1.0f);
}
}
@Test
public void testGetCursorPath() {
Layout layout = new MockLayout(LAYOUT_TEXT, mTextPaint, mWidth,
mAlign, mSpacingMult, mSpacingAdd);
Path path = new Path();
final float epsilon = 1.0f;
for (int i = 0; i < LINE_COUNT; i++) {
layout.getCursorPath(i, path, LAYOUT_TEXT);
RectF bounds = new RectF();
path.computeBounds(bounds, false);
assertTrue(bounds.top >= layout.getLineTop(i) - epsilon);
assertTrue(bounds.bottom <= layout.getLineBottom(i) + epsilon);
}
}
@Test
public void testDraw() {
Layout layout = new MockLayout(LAYOUT_TEXT, mTextPaint, mWidth,
mAlign, mSpacingMult, mSpacingAdd);
final int width = 256;
final int height = 256;
MockCanvas c = new MockCanvas(width, height);
layout.draw(c);
List<MockCanvas.DrawCommand> drawCommands = c.getDrawCommands();
assertEquals(LINE_COUNT, drawCommands.size());
for (int i = 0; i < LINE_COUNT; i++) {
MockCanvas.DrawCommand drawCommand = drawCommands.get(i);
int start = layout.getLineStart(i);
int end = layout.getLineEnd(i);
assertEquals(LAYOUT_TEXT.toString().substring(start, end), drawCommand.text);
float expected_y = (i + 1) * LINE_HEIGHT - LINE_DESCENT;
assertEquals(expected_y, drawCommand.y, 0.0f);
}
}
private final class MockCanvas extends Canvas {
class DrawCommand {
public final String text;
public final float x;
public final float y;
DrawCommand(String text, float x, float y) {
this.text = text;
this.x = x;
this.y = y;
}
}
List<DrawCommand> mDrawCommands;
MockCanvas(int width, int height) {
super();
mDrawCommands = new ArrayList<>();
Bitmap bitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888);
setBitmap(bitmap);
}
// Drawing text with either drawText or drawTextRun is valid; we don't care which.
// We also don't care which of the string representations is used.
@Override
public void drawText(String text, int start, int end, float x, float y, Paint p) {
mDrawCommands.add(new DrawCommand(text.substring(start, end), x, y));
}
@Override
public void drawText(CharSequence text, int start, int end, float x, float y, Paint p) {
drawText(text.toString(), start, end, x, y, p);
}
@Override
public void drawText(char[] text, int index, int count, float x, float y, Paint p) {
mDrawCommands.add(new DrawCommand(new String(text, index, count), x, y));
}
@Override
public void drawTextRun(CharSequence text, int start, int end, int contextStart,
int contextEnd, float x, float y, boolean isRtl, Paint paint) {
drawText(text, start, end, x, y, paint);
}
@Override
public void drawTextRun(char[] text, int index, int count, int contextIndex,
int contextCount, float x, float y, boolean isRtl, Paint paint) {
drawText(text, index, count, x, y, paint);
}
List<DrawCommand> getDrawCommands() {
return mDrawCommands;
}
}
}

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@@ -16,9 +16,46 @@
package android.text;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import android.text.style.BulletSpan;
import android.text.style.QuoteSpan;
import android.text.style.SubscriptSpan;
import android.text.style.UnderlineSpan;
import org.junit.Test;
public class SpannableStringBuilderTest extends SpannableTest {
protected Spannable newSpannableWithText(String text) {
return new SpannableStringBuilder(text);
}
@Test
public void testGetSpans_sortsByPriorityEvenWhenSortParamIsFalse() {
String text = "p_in_s";
SpannableStringBuilder builder = new SpannableStringBuilder(text);
Object first = new SubscriptSpan();
Object second = new UnderlineSpan();
Object third = new BulletSpan();
Object fourth = new QuoteSpan();
builder.setSpan(first, 2, 4, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
builder.setSpan(second, 1, text.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
builder.setSpan(third, 2, text.length(), 1 << Spanned.SPAN_PRIORITY_SHIFT);
builder.setSpan(fourth, 0, text.length(), 2 << Spanned.SPAN_PRIORITY_SHIFT);
Object[] spans = builder.getSpans(0, text.length(), Object.class, false);
assertNotNull(spans);
assertEquals(4, spans.length);
// priority spans are first
assertEquals(fourth, spans[0]);
assertEquals(third, spans[1]);
// other spans should be there
assertEquals(second, spans[2]);
assertEquals(first, spans[3]);
}
}

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@@ -0,0 +1,461 @@
/*
* 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 android.text;
import static org.junit.Assert.assertEquals;
import android.support.test.filters.SmallTest;
import android.support.test.runner.AndroidJUnit4;
import android.text.Layout.Alignment;
import android.text.style.MetricAffectingSpan;
import android.util.Log;
import org.junit.Test;
import org.junit.runner.RunWith;
@SmallTest
@RunWith(AndroidJUnit4.class)
public class StaticLayoutLineBreakingTest {
// Span test are currently not supported because text measurement uses the MeasuredText
// internal mWorkPaint instead of the provided MockTestPaint.
private static final boolean SPAN_TESTS_SUPPORTED = false;
private static final boolean DEBUG = false;
private static final float SPACE_MULTI = 1.0f;
private static final float SPACE_ADD = 0.0f;
private static final int WIDTH = 100;
private static final Alignment ALIGN = Alignment.ALIGN_LEFT;
private static final char SURR_FIRST = '\uD800';
private static final char SURR_SECOND = '\uDF31';
private static final int[] NO_BREAK = new int[] {};
private static final TextPaint sTextPaint = new MockTextPaint();
private static class MockTextPaint extends TextPaint {
@Override
public float getTextRunAdvances(char[] chars, int index, int count,
int contextIndex, int contextCount, boolean isRtl, float[] advances,
int advancesIndex) {
// Conditions copy pasted from Paint
if (chars == null) {
throw new IllegalArgumentException("text cannot be null");
}
if ((index | count | contextIndex | contextCount | advancesIndex
| (index - contextIndex) | (contextCount - count)
| ((contextIndex + contextCount) - (index + count))
| (chars.length - (contextIndex + contextCount))
| (advances == null ? 0 :
(advances.length - (advancesIndex + count)))) < 0) {
throw new IndexOutOfBoundsException();
}
float res = 0.0f;
if (advances != null) {
for (int i = 0; i < count; i++) {
float width = getCharWidth(chars[index + i]);
advances[advancesIndex + i] = width;
res += width;
}
}
return res;
}
}
private static float getCharWidth(char c) {
switch (Character.toUpperCase(c)) {
// Roman figures
case 'I': return 1.0f;
case 'V': return 5.0f;
case 'X': return 10.0f;
case 'L': return 50.0f;
case 'C': return 100.0f; // equals to WIDTH
case ' ': return 10.0f;
case '_': return 0.0f; // 0-width character
case SURR_FIRST: return 7.0f;
case SURR_SECOND: return 3.0f; // Sum of SURR_FIRST-SURR_SECOND is 10
default: return 10.0f;
}
}
private static StaticLayout getStaticLayout(CharSequence source, int width) {
return new StaticLayout(source, sTextPaint, width, ALIGN, SPACE_MULTI, SPACE_ADD, false);
}
private static int[] getBreaks(CharSequence source) {
return getBreaks(source, WIDTH);
}
private static int[] getBreaks(CharSequence source, int width) {
StaticLayout staticLayout = getStaticLayout(source, width);
int[] breaks = new int[staticLayout.getLineCount() - 1];
for (int line = 0; line < breaks.length; line++) {
breaks[line] = staticLayout.getLineEnd(line);
}
return breaks;
}
private static void debugLayout(CharSequence source, StaticLayout staticLayout) {
if (DEBUG) {
int count = staticLayout.getLineCount();
Log.i("SLLBTest", "\"" + source.toString() + "\": "
+ count + " lines");
for (int line = 0; line < count; line++) {
int lineStart = staticLayout.getLineStart(line);
int lineEnd = staticLayout.getLineEnd(line);
Log.i("SLLBTest", "Line " + line + " [" + lineStart + ".."
+ lineEnd + "]\t" + source.subSequence(lineStart, lineEnd));
}
}
}
private static void layout(CharSequence source, int[] breaks) {
layout(source, breaks, WIDTH);
}
private static void layout(CharSequence source, int[] breaks, int width) {
StaticLayout staticLayout = getStaticLayout(source, width);
debugLayout(source, staticLayout);
int lineCount = breaks.length + 1;
assertEquals("Number of lines", lineCount, staticLayout.getLineCount());
for (int line = 0; line < lineCount; line++) {
int lineStart = staticLayout.getLineStart(line);
int lineEnd = staticLayout.getLineEnd(line);
if (line == 0) {
assertEquals("Line start for first line", 0, lineStart);
} else {
assertEquals("Line start for line " + line, breaks[line - 1], lineStart);
}
if (line == lineCount - 1) {
assertEquals("Line end for last line", source.length(), lineEnd);
} else {
assertEquals("Line end for line " + line, breaks[line], lineEnd);
}
}
}
private static void layoutMaxLines(CharSequence source, int[] breaks, int maxLines) {
StaticLayout staticLayout = new StaticLayout(source, 0, source.length(), sTextPaint, WIDTH,
ALIGN, TextDirectionHeuristics.LTR, SPACE_MULTI, SPACE_ADD, false /* includePad */,
null, WIDTH, maxLines);
debugLayout(source, staticLayout);
final int lineCount = staticLayout.getLineCount();
for (int line = 0; line < lineCount; line++) {
int lineStart = staticLayout.getLineStart(line);
int lineEnd = staticLayout.getLineEnd(line);
if (line == 0) {
assertEquals("Line start for first line", 0, lineStart);
} else {
assertEquals("Line start for line " + line, breaks[line - 1], lineStart);
}
if (line == lineCount - 1 && line != breaks.length - 1) {
assertEquals("Line end for last line", source.length(), lineEnd);
} else {
assertEquals("Line end for line " + line, breaks[line], lineEnd);
}
}
}
private static final int MAX_SPAN_COUNT = 10;
private static final int[] sSpanStarts = new int[MAX_SPAN_COUNT];
private static final int[] sSpanEnds = new int[MAX_SPAN_COUNT];
private static MetricAffectingSpan getMetricAffectingSpan() {
return new MetricAffectingSpan() {
@Override
public void updateDrawState(TextPaint tp) { /* empty */ }
@Override
public void updateMeasureState(TextPaint p) { /* empty */ }
};
}
/**
* Replaces the "<...>" blocks by spans, assuming non overlapping, correctly defined spans
* @param text
* @return A CharSequence with '<' '>' replaced by MetricAffectingSpan
*/
private static CharSequence spanify(String text) {
int startIndex = text.indexOf('<');
if (startIndex < 0) return text;
int spanCount = 0;
do {
int endIndex = text.indexOf('>');
if (endIndex < 0) throw new IllegalArgumentException("Unbalanced span markers");
text = text.substring(0, startIndex) + text.substring(startIndex + 1, endIndex)
+ text.substring(endIndex + 1);
sSpanStarts[spanCount] = startIndex;
sSpanEnds[spanCount] = endIndex - 2;
spanCount++;
startIndex = text.indexOf('<');
} while (startIndex >= 0);
SpannableStringBuilder result = new SpannableStringBuilder(text);
for (int i = 0; i < spanCount; i++) {
result.setSpan(getMetricAffectingSpan(), sSpanStarts[i], sSpanEnds[i],
Spanned.SPAN_INCLUSIVE_INCLUSIVE);
}
return result;
}
@Test
public void testNoLineBreak() {
// Width lower than WIDTH
layout("", NO_BREAK);
layout("I", NO_BREAK);
layout("V", NO_BREAK);
layout("X", NO_BREAK);
layout("L", NO_BREAK);
layout("I VILI", NO_BREAK);
layout("XXXX", NO_BREAK);
layout("LXXXX", NO_BREAK);
// Width equal to WIDTH
layout("C", NO_BREAK);
layout("LL", NO_BREAK);
layout("L XXXX", NO_BREAK);
layout("XXXXXXXXXX", NO_BREAK);
layout("XXX XXXXXX", NO_BREAK);
layout("XXX XXXX X", NO_BREAK);
layout("XXX XXXXX ", NO_BREAK);
layout(" XXXXXXXX ", NO_BREAK);
layout(" XX XXX ", NO_BREAK);
// 0123456789
// Width greater than WIDTH, but no break
layout(" XX XXX ", NO_BREAK);
layout("XX XXX XXX ", NO_BREAK);
layout("XX XXX XXX ", NO_BREAK);
layout("XXXXXXXXXX ", NO_BREAK);
// 01234567890
}
@Test
public void testOneLineBreak() {
// 01234567890
layout("XX XXX XXXX", new int[] {7});
layout("XX XXXX XXX", new int[] {8});
layout("XX XXXXX XX", new int[] {9});
layout("XX XXXXXX X", new int[] {10});
// 01234567890
layout("XXXXXXXXXXX", new int[] {10});
layout("XXXXXXXXX X", new int[] {10});
layout("XXXXXXXX XX", new int[] {9});
layout("XXXXXXX XXX", new int[] {8});
layout("XXXXXX XXXX", new int[] {7});
// 01234567890
layout("LL LL", new int[] {3});
layout("LLLL", new int[] {2});
layout("C C", new int[] {2});
layout("CC", new int[] {1});
}
@Test
public void testSpaceAtBreak() {
// 0123456789012
layout("XXXX XXXXX X", new int[] {11});
layout("XXXXXXXXXX X", new int[] {11});
layout("XXXXXXXXXV X", new int[] {11});
layout("C X", new int[] {2});
}
@Test
public void testMultipleSpacesAtBreak() {
// 0123456789012
layout("LXX XXXX", new int[] {4});
layout("LXX XXXX", new int[] {5});
layout("LXX XXXX", new int[] {6});
layout("LXX XXXX", new int[] {7});
layout("LXX XXXX", new int[] {8});
}
@Test
public void testZeroWidthCharacters() {
// 0123456789012345678901234
layout("X_X_X_X_X_X_X_X_X_X", NO_BREAK);
layout("___X_X_X_X_X_X_X_X_X_X___", NO_BREAK);
layout("C_X", new int[] {2});
layout("C__X", new int[] {3});
}
/**
* Note that when the text has spans, StaticLayout does not use the provided TextPaint to
* measure text runs anymore. This is probably a bug.
* To be able to use the fake sTextPaint and make this test pass, use mPaint instead of
* mWorkPaint in MeasuredText#addStyleRun
*/
@Test
public void testWithSpans() {
if (!SPAN_TESTS_SUPPORTED) return;
layout(spanify("<012 456 89>"), NO_BREAK);
layout(spanify("012 <456> 89"), NO_BREAK);
layout(spanify("<012> <456>< 89>"), NO_BREAK);
layout(spanify("<012> <456> <89>"), NO_BREAK);
layout(spanify("<012> <456> <89>012"), new int[] {8});
layout(spanify("<012> <456> 89<012>"), new int[] {8});
layout(spanify("<012> <456> <89><012>"), new int[] {8});
layout(spanify("<012> <456> 89 <123>"), new int[] {11});
layout(spanify("<012> <456> 89< 123>"), new int[] {11});
layout(spanify("<012> <456> <89> <123>"), new int[] {11});
layout(spanify("012 456 89 <LXX> XX XX"), new int[] {11, 18});
}
/*
* Adding a span to the string should not change the layout, since the metrics are unchanged.
*/
@Test
public void testWithOneSpan() {
if (!SPAN_TESTS_SUPPORTED) return;
String[] texts = new String[] { "0123", "012 456", "012 456 89 123", "012 45678 012",
"012 456 89012 456 89012", "0123456789012" };
MetricAffectingSpan metricAffectingSpan = getMetricAffectingSpan();
for (String text : texts) {
// Get the line breaks without any span
int[] breaks = getBreaks(text);
// Add spans on all possible offsets
for (int spanStart = 0; spanStart < text.length(); spanStart++) {
for (int spanEnd = spanStart; spanEnd < text.length(); spanEnd++) {
SpannableStringBuilder ssb = new SpannableStringBuilder(text);
ssb.setSpan(metricAffectingSpan, spanStart, spanEnd,
Spanned.SPAN_INCLUSIVE_INCLUSIVE);
layout(ssb, breaks);
}
}
}
}
@Test
public void testWithTwoSpans() {
if (!SPAN_TESTS_SUPPORTED) return;
String[] texts = new String[] { "0123", "012 456", "012 456 89 123", "012 45678 012",
"012 456 89012 456 89012", "0123456789012" };
MetricAffectingSpan metricAffectingSpan1 = getMetricAffectingSpan();
MetricAffectingSpan metricAffectingSpan2 = getMetricAffectingSpan();
for (String text : texts) {
// Get the line breaks without any span
int[] breaks = getBreaks(text);
// Add spans on all possible offsets
for (int spanStart1 = 0; spanStart1 < text.length(); spanStart1++) {
for (int spanEnd1 = spanStart1; spanEnd1 < text.length(); spanEnd1++) {
SpannableStringBuilder ssb = new SpannableStringBuilder(text);
ssb.setSpan(metricAffectingSpan1, spanStart1, spanEnd1,
Spanned.SPAN_INCLUSIVE_INCLUSIVE);
for (int spanStart2 = 0; spanStart2 < text.length(); spanStart2++) {
for (int spanEnd2 = spanStart2; spanEnd2 < text.length(); spanEnd2++) {
ssb.setSpan(metricAffectingSpan2, spanStart2, spanEnd2,
Spanned.SPAN_INCLUSIVE_INCLUSIVE);
layout(ssb, breaks);
}
}
}
}
}
}
public static String replace(String string, char c, char r) {
return string.replaceAll(String.valueOf(c), String.valueOf(r));
}
@Test
public void testWithSurrogate() {
layout("LX" + SURR_FIRST + SURR_SECOND, NO_BREAK);
layout("LXXXX" + SURR_FIRST + SURR_SECOND, NO_BREAK);
// LXXXXI (91) + SURR_FIRST (7) fits. But we should not break the surrogate pair
// Bug: surrogate pair is broken, should be 6 (breaking after the 'V')
// Maybe not: may be ok if the second character of a pair always has a 0-width
layout("LXXXXI" + SURR_FIRST + SURR_SECOND, new int[] {7});
// LXXXXI (95) + SURR_SECOND (3) fits, but this is not a valid surrogate pair, breaking it
layout("LXXXXV" + SURR_SECOND + SURR_FIRST, new int[] {7});
layout("C" + SURR_FIRST + SURR_SECOND, new int[] {1});
}
@Test
public void testNarrowWidth() {
int[] widths = new int[] { 0, 4, 10 };
String[] texts = new String[] { "", "X", " ", "XX", " X", "XXX" };
for (String text: texts) {
// 15 is such that only one character will fit
int[] breaks = getBreaks(text, 15);
// Width under 15 should all lead to the same line break
for (int width: widths) {
layout(text, breaks, width);
}
}
}
@Test
public void testNarrowWidthZeroWidth() {
int[] widths = new int[] { 1, 4 };
for (int width: widths) {
layout("X.", new int[] {1}, width);
layout("X__", NO_BREAK, width);
layout("X__X", new int[] {3}, width);
layout("X__X_", new int[] {3}, width);
layout("_", NO_BREAK, width);
layout("__", NO_BREAK, width);
layout("_X", new int[] {1}, width);
layout("_X_", new int[] {1}, width);
layout("__X__", new int[] {2}, width);
}
}
@Test
public void testMaxLines() {
layoutMaxLines("C", NO_BREAK, 1);
layoutMaxLines("C C", new int[] {2}, 1);
layoutMaxLines("C C", new int[] {2}, 2);
layoutMaxLines("CC", new int[] {1}, 1);
layoutMaxLines("CC", new int[] {1}, 2);
}
}

View File

@@ -17,7 +17,9 @@
package android.text;
import static android.text.Layout.Alignment.ALIGN_NORMAL;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
import android.graphics.Paint.FontMetricsInt;
import android.support.test.filters.SmallTest;
@@ -26,15 +28,68 @@ import android.text.Layout.Alignment;
import android.text.method.EditorState;
import android.util.Log;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import java.text.Normalizer;
import java.util.ArrayList;
import java.util.List;
/**
* Tests StaticLayout vertical metrics behavior.
*/
@SmallTest
@RunWith(AndroidJUnit4.class)
public class StaticLayoutTest {
private static final float SPACE_MULTI = 1.0f;
private static final float SPACE_ADD = 0.0f;
private static final int DEFAULT_OUTER_WIDTH = 150;
private static final CharSequence LAYOUT_TEXT = "CharSe\tq\nChar"
+ "Sequence\nCharSequence\nHelllo\n, world\nLongLongLong";
private static final CharSequence LAYOUT_TEXT_SINGLE_LINE = "CharSequence";
private static final Alignment DEFAULT_ALIGN = Alignment.ALIGN_CENTER;
private static final int ELLIPSIZE_WIDTH = 8;
private StaticLayout mDefaultLayout;
private TextPaint mDefaultPaint;
@Before
public void setup() {
mDefaultPaint = new TextPaint();
mDefaultLayout = createDefaultStaticLayout();
}
private StaticLayout createDefaultStaticLayout() {
return new StaticLayout(LAYOUT_TEXT, mDefaultPaint,
DEFAULT_OUTER_WIDTH, DEFAULT_ALIGN, SPACE_MULTI, SPACE_ADD, true);
}
@Test
public void testBuilder() {
{
// Obtain.
final StaticLayout.Builder builder = StaticLayout.Builder.obtain(LAYOUT_TEXT, 0,
LAYOUT_TEXT.length(), mDefaultPaint, DEFAULT_OUTER_WIDTH);
final StaticLayout layout = builder.build();
// Check default value.
assertEquals(TextDirectionHeuristics.FIRSTSTRONG_LTR,
layout.getTextDirectionHeuristic());
}
{
// setTextDirection.
final StaticLayout.Builder builder = StaticLayout.Builder.obtain(LAYOUT_TEXT, 0,
LAYOUT_TEXT.length(), mDefaultPaint, DEFAULT_OUTER_WIDTH);
builder.setTextDirection(TextDirectionHeuristics.RTL);
final StaticLayout layout = builder.build();
// Always returns TextDirectionHeuristics.FIRSTSTRONG_LTR.
assertEquals(TextDirectionHeuristics.FIRSTSTRONG_LTR,
layout.getTextDirectionHeuristic());
}
}
/**
* Basic test showing expected behavior and relationship between font
* metrics and line metrics.
@@ -410,4 +465,210 @@ public class StaticLayoutTest {
state.setByString("| U+261D U+1F3FB U+261D U+1F3FB U+261D U+1F3FB");
moveCursorToLeftCursorableOffset(state, paint);
}
private StaticLayout createEllipsizeStaticLayout(CharSequence text,
TextUtils.TruncateAt ellipsize, int maxLines) {
return new StaticLayout(text, 0, text.length(),
mDefaultPaint, DEFAULT_OUTER_WIDTH, DEFAULT_ALIGN,
TextDirectionHeuristics.FIRSTSTRONG_LTR,
SPACE_MULTI, SPACE_ADD, true /* include pad */,
ellipsize,
ELLIPSIZE_WIDTH,
maxLines);
}
@Test
public void testEllipsis_singleLine() {
{
// Single line case and TruncateAt.END so that we have some ellipsis
StaticLayout layout = createEllipsizeStaticLayout(LAYOUT_TEXT_SINGLE_LINE,
TextUtils.TruncateAt.END, 1);
assertTrue(layout.getEllipsisCount(0) > 0);
}
{
// Single line case and TruncateAt.MIDDLE so that we have some ellipsis
StaticLayout layout = createEllipsizeStaticLayout(LAYOUT_TEXT_SINGLE_LINE,
TextUtils.TruncateAt.MIDDLE, 1);
assertTrue(layout.getEllipsisCount(0) > 0);
}
{
// Single line case and TruncateAt.END so that we have some ellipsis
StaticLayout layout = createEllipsizeStaticLayout(LAYOUT_TEXT_SINGLE_LINE,
TextUtils.TruncateAt.END, 1);
assertTrue(layout.getEllipsisCount(0) > 0);
}
{
// Single line case and TruncateAt.MARQUEE so that we have NO ellipsis
StaticLayout layout = createEllipsizeStaticLayout(LAYOUT_TEXT_SINGLE_LINE,
TextUtils.TruncateAt.MARQUEE, 1);
assertTrue(layout.getEllipsisCount(0) == 0);
}
{
final String text = "\u3042" // HIRAGANA LETTER A
+ "abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz";
final float textWidth = mDefaultPaint.measureText(text);
final int halfWidth = (int) (textWidth / 2.0f);
{
StaticLayout layout = new StaticLayout(text, 0, text.length(), mDefaultPaint,
halfWidth, DEFAULT_ALIGN, TextDirectionHeuristics.FIRSTSTRONG_LTR,
SPACE_MULTI, SPACE_ADD, false, TextUtils.TruncateAt.END, halfWidth, 1);
assertTrue(layout.getEllipsisCount(0) > 0);
assertTrue(layout.getEllipsisStart(0) > 0);
}
{
StaticLayout layout = new StaticLayout(text, 0, text.length(), mDefaultPaint,
halfWidth, DEFAULT_ALIGN, TextDirectionHeuristics.FIRSTSTRONG_LTR,
SPACE_MULTI, SPACE_ADD, false, TextUtils.TruncateAt.START, halfWidth, 1);
assertTrue(layout.getEllipsisCount(0) > 0);
assertEquals(0, mDefaultLayout.getEllipsisStart(0));
}
{
StaticLayout layout = new StaticLayout(text, 0, text.length(), mDefaultPaint,
halfWidth, DEFAULT_ALIGN, TextDirectionHeuristics.FIRSTSTRONG_LTR,
SPACE_MULTI, SPACE_ADD, false, TextUtils.TruncateAt.MIDDLE, halfWidth, 1);
assertTrue(layout.getEllipsisCount(0) > 0);
assertTrue(layout.getEllipsisStart(0) > 0);
}
{
StaticLayout layout = new StaticLayout(text, 0, text.length(), mDefaultPaint,
halfWidth, DEFAULT_ALIGN, TextDirectionHeuristics.FIRSTSTRONG_LTR,
SPACE_MULTI, SPACE_ADD, false, TextUtils.TruncateAt.MARQUEE, halfWidth, 1);
assertEquals(0, layout.getEllipsisCount(0));
}
}
{
// The white spaces in this text will be trailing if maxLines is larger than 1, but
// width of the trailing white spaces must not be ignored if ellipsis is applied.
final String text = "abc def";
final float textWidth = mDefaultPaint.measureText(text);
final int halfWidth = (int) (textWidth / 2.0f);
{
StaticLayout layout = new StaticLayout(text, 0, text.length(), mDefaultPaint,
halfWidth, DEFAULT_ALIGN, TextDirectionHeuristics.FIRSTSTRONG_LTR,
SPACE_MULTI, SPACE_ADD, false, TextUtils.TruncateAt.END, halfWidth, 1);
assertTrue(layout.getEllipsisCount(0) > 0);
assertTrue(layout.getEllipsisStart(0) > 0);
}
}
{
// 2 family emojis (11 code units + 11 code units).
final String text = "\uD83D\uDC68\u200D\uD83D\uDC69\u200D\uD83D\uDC67\u200D\uD83D\uDC66"
+ "\uD83D\uDC68\u200D\uD83D\uDC69\u200D\uD83D\uDC67\u200D\uD83D\uDC66";
final float textWidth = mDefaultPaint.measureText(text);
final TextUtils.TruncateAt[] kinds = {TextUtils.TruncateAt.START,
TextUtils.TruncateAt.MIDDLE, TextUtils.TruncateAt.END};
for (final TextUtils.TruncateAt kind : kinds) {
for (int i = 0; i <= 8; i++) {
int avail = (int) (textWidth * i / 7.0f);
StaticLayout layout = new StaticLayout(text, 0, text.length(), mDefaultPaint,
avail, DEFAULT_ALIGN, TextDirectionHeuristics.FIRSTSTRONG_LTR,
SPACE_MULTI, SPACE_ADD, false, kind, avail, 1);
assertTrue(layout.getEllipsisCount(0) == text.length()
|| layout.getEllipsisCount(0) == text.length() / 2
|| layout.getEllipsisCount(0) == 0);
}
}
}
}
// String wrapper for testing not well known implementation of CharSequence.
private class FakeCharSequence implements CharSequence {
private String mStr;
FakeCharSequence(String str) {
mStr = str;
}
@Override
public char charAt(int index) {
return mStr.charAt(index);
}
@Override
public int length() {
return mStr.length();
}
@Override
public CharSequence subSequence(int start, int end) {
return mStr.subSequence(start, end);
}
@Override
public String toString() {
return mStr;
}
};
private List<CharSequence> buildTestCharSequences(String testString, Normalizer.Form[] forms) {
List<CharSequence> result = new ArrayList<>();
List<String> normalizedStrings = new ArrayList<>();
for (Normalizer.Form form: forms) {
normalizedStrings.add(Normalizer.normalize(testString, form));
}
for (String str: normalizedStrings) {
result.add(str);
result.add(new SpannedString(str));
result.add(new SpannableString(str));
result.add(new SpannableStringBuilder(str)); // as a GraphicsOperations implementation.
result.add(new FakeCharSequence(str)); // as a not well known implementation.
}
return result;
}
private String buildTestMessage(CharSequence seq) {
String normalized;
if (Normalizer.isNormalized(seq, Normalizer.Form.NFC)) {
normalized = "NFC";
} else if (Normalizer.isNormalized(seq, Normalizer.Form.NFD)) {
normalized = "NFD";
} else if (Normalizer.isNormalized(seq, Normalizer.Form.NFKC)) {
normalized = "NFKC";
} else if (Normalizer.isNormalized(seq, Normalizer.Form.NFKD)) {
normalized = "NFKD";
} else {
throw new IllegalStateException("Normalized form is not NFC/NFD/NFKC/NFKD");
}
StringBuilder builder = new StringBuilder();
for (int i = 0; i < seq.length(); ++i) {
builder.append(String.format("0x%04X ", Integer.valueOf(seq.charAt(i))));
}
return "testString: \"" + seq.toString() + "\"[" + builder.toString() + "]"
+ ", class: " + seq.getClass().getName()
+ ", Normalization: " + normalized;
}
@Test
public void testGetOffset_UNICODE_Hebrew() {
String testString = "\u05DE\u05E1\u05E2\u05D3\u05D4"; // Hebrew Characters
for (CharSequence seq: buildTestCharSequences(testString, Normalizer.Form.values())) {
StaticLayout layout = new StaticLayout(seq, mDefaultPaint,
DEFAULT_OUTER_WIDTH, DEFAULT_ALIGN,
TextDirectionHeuristics.RTL, SPACE_MULTI, SPACE_ADD, true);
String testLabel = buildTestMessage(seq);
assertEquals(testLabel, 1, layout.getOffsetToLeftOf(0));
assertEquals(testLabel, 2, layout.getOffsetToLeftOf(1));
assertEquals(testLabel, 3, layout.getOffsetToLeftOf(2));
assertEquals(testLabel, 4, layout.getOffsetToLeftOf(3));
assertEquals(testLabel, 5, layout.getOffsetToLeftOf(4));
assertEquals(testLabel, 5, layout.getOffsetToLeftOf(5));
assertEquals(testLabel, 0, layout.getOffsetToRightOf(0));
assertEquals(testLabel, 0, layout.getOffsetToRightOf(1));
assertEquals(testLabel, 1, layout.getOffsetToRightOf(2));
assertEquals(testLabel, 2, layout.getOffsetToRightOf(3));
assertEquals(testLabel, 3, layout.getOffsetToRightOf(4));
assertEquals(testLabel, 4, layout.getOffsetToRightOf(5));
}
}
}

View File

@@ -24,12 +24,16 @@ import android.os.LocaleList;
import android.support.test.filters.SmallTest;
import android.support.test.runner.AndroidJUnit4;
import java.util.Locale;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import java.text.DateFormat;
import java.util.Calendar;
import java.util.Date;
import java.util.Locale;
@SmallTest
@RunWith(AndroidJUnit4.class)
public class DateUtilsTest {
@@ -103,6 +107,42 @@ public class DateUtilsTest {
assertEquals("48h", DateUtils.formatDuration(172800000, DateUtils.LENGTH_SHORTEST));
}
@Test
public void testFormatSameDayTime() {
// This test assumes a default DateFormat.is24Hour setting.
DateFormat.is24Hour = null;
Date date = new Date(109, 0, 19, 3, 30, 15);
long fixedTime = date.getTime();
int currentYear = Calendar.getInstance().get(Calendar.YEAR);
Date dateWithCurrentYear = new Date(currentYear - 1900, 0, 19, 3, 30, 15);
final long dayDuration = 5 * 24 * 60 * 60 * 1000;
assertEquals("Saturday, January 24, 2009", DateUtils.formatSameDayTime(
fixedTime + dayDuration, fixedTime, java.text.DateFormat.FULL,
java.text.DateFormat.FULL));
assertEquals("Jan 24, 2009", DateUtils.formatSameDayTime(fixedTime + dayDuration,
fixedTime, java.text.DateFormat.DEFAULT, java.text.DateFormat.FULL));
assertEquals("January 24, 2009", DateUtils.formatSameDayTime(fixedTime + dayDuration,
fixedTime, java.text.DateFormat.LONG, java.text.DateFormat.FULL));
assertEquals("Jan 24, 2009", DateUtils.formatSameDayTime(fixedTime + dayDuration,
fixedTime, java.text.DateFormat.MEDIUM, java.text.DateFormat.FULL));
assertEquals("1/24/09", DateUtils.formatSameDayTime(fixedTime + dayDuration,
fixedTime, java.text.DateFormat.SHORT, java.text.DateFormat.FULL));
final long hourDuration = 2 * 60 * 60 * 1000;
assertEquals("5:30:15 AM GMT+00:00", DateUtils.formatSameDayTime(fixedTime + hourDuration,
fixedTime, java.text.DateFormat.FULL, java.text.DateFormat.FULL));
assertEquals("5:30:15 AM", DateUtils.formatSameDayTime(fixedTime + hourDuration,
fixedTime, java.text.DateFormat.FULL, java.text.DateFormat.DEFAULT));
assertEquals("5:30:15 AM GMT+00:00", DateUtils.formatSameDayTime(fixedTime + hourDuration,
fixedTime, java.text.DateFormat.FULL, java.text.DateFormat.LONG));
assertEquals("5:30:15 AM", DateUtils.formatSameDayTime(fixedTime + hourDuration,
fixedTime, java.text.DateFormat.FULL, java.text.DateFormat.MEDIUM));
assertEquals("5:30 AM", DateUtils.formatSameDayTime(fixedTime + hourDuration,
fixedTime, java.text.DateFormat.FULL, java.text.DateFormat.SHORT));
}
private void setLocales(LocaleList locales) {
final Resources systemResources = Resources.getSystem();
final Configuration config = new Configuration(systemResources.getConfiguration());

View File

@@ -21,19 +21,131 @@ import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;
import android.support.test.runner.AndroidJUnit4;
import android.support.test.filters.SmallTest;
import android.support.test.runner.AndroidJUnit4;
import org.junit.Test;
import org.junit.runner.RunWith;
import java.text.BreakIterator;
import java.util.Locale;
import org.junit.Test;
import org.junit.runner.RunWith;
// TODO(Bug: 24062099): Add more tests for non-ascii text.
@SmallTest
@RunWith(AndroidJUnit4.class)
public class WordIteratorTest {
private WordIterator mWordIterator = new WordIterator();
private void verifyIsWordWithSurrogate(int beginning, int end, int surrogateIndex) {
for (int i = beginning; i <= end; i++) {
if (i == surrogateIndex) continue;
assertEquals(beginning, mWordIterator.getBeginning(i));
assertEquals(end, mWordIterator.getEnd(i));
}
}
private void setCharSequence(String string) {
mWordIterator.setCharSequence(string, 0, string.length());
}
private void verifyIsWord(int beginning, int end) {
verifyIsWordWithSurrogate(beginning, end, -1);
}
private void verifyIsNotWord(int beginning, int end) {
for (int i = beginning; i <= end; i++) {
assertEquals(BreakIterator.DONE, mWordIterator.getBeginning(i));
assertEquals(BreakIterator.DONE, mWordIterator.getEnd(i));
}
}
@Test
public void testEmptyString() {
setCharSequence("");
assertEquals(BreakIterator.DONE, mWordIterator.following(0));
assertEquals(BreakIterator.DONE, mWordIterator.preceding(0));
assertEquals(BreakIterator.DONE, mWordIterator.getBeginning(0));
assertEquals(BreakIterator.DONE, mWordIterator.getEnd(0));
}
@Test
public void testOneWord() {
setCharSequence("I");
verifyIsWord(0, 1);
setCharSequence("am");
verifyIsWord(0, 2);
setCharSequence("zen");
verifyIsWord(0, 3);
}
@Test
public void testSpacesOnly() {
setCharSequence(" ");
verifyIsNotWord(0, 1);
setCharSequence(", ");
verifyIsNotWord(0, 2);
setCharSequence(":-)");
verifyIsNotWord(0, 3);
}
@Test
public void testBeginningEnd() {
setCharSequence("Well hello, there! ");
// 0123456789012345678901
verifyIsWord(0, 4);
verifyIsWord(5, 10);
verifyIsNotWord(11, 13);
verifyIsWord(14, 19);
verifyIsNotWord(20, 21);
setCharSequence(" Another - sentence");
// 012345678901234567890
verifyIsNotWord(0, 1);
verifyIsWord(2, 9);
verifyIsNotWord(10, 11);
verifyIsWord(12, 20);
setCharSequence("This is \u0644\u0627 tested"); // Lama-aleph
// 012345678 9 01234567
verifyIsWord(0, 4);
verifyIsWord(5, 7);
verifyIsWord(8, 10);
verifyIsWord(11, 17);
}
@Test
public void testSurrogate() {
final String gothicBairkan = "\uD800\uDF31";
setCharSequence("one we" + gothicBairkan + "ird word");
// 012345 67 890123456
verifyIsWord(0, 3);
// Skip index 7 (there is no point in starting between the two surrogate characters)
verifyIsWordWithSurrogate(4, 11, 7);
verifyIsWord(12, 16);
setCharSequence("one " + gothicBairkan + "xxx word");
// 0123 45 678901234
verifyIsWord(0, 3);
verifyIsWordWithSurrogate(4, 9, 5);
verifyIsWord(10, 14);
setCharSequence("one xxx" + gothicBairkan + " word");
// 0123456 78 901234
verifyIsWord(0, 3);
verifyIsWordWithSurrogate(4, 9, 8);
verifyIsWord(10, 14);
}
@Test
public void testSetCharSequence() {
final String text = "text";

View File

@@ -0,0 +1,65 @@
/*
* Copyright (C) 2017 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;
import static org.junit.Assert.assertEquals;
import android.support.test.filters.SmallTest;
import android.support.test.runner.AndroidJUnit4;
import android.text.SpannableString;
import android.text.Spanned;
import android.text.StaticLayout;
import android.text.TextPaint;
import org.junit.Test;
import org.junit.runner.RunWith;
@SmallTest
@RunWith(AndroidJUnit4.class)
public class UnderlineSpanTest {
private class RedUnderlineSpan extends UnderlineSpan {
@Override
public void updateDrawState(TextPaint ds) {
ds.setUnderlineText(android.graphics.Color.RED, 1.0f);
}
}
// Identical to the normal UnderlineSpan test, except that a subclass of UnderlineSpan is used
// that draws a red underline. This shouldn't affect width either.
@Test
public void testDoesntAffectWidth_colorUnderlineSubclass() {
// Roboto kerns between "P" and "."
final SpannableString text = new SpannableString("P.");
final float origLineWidth = textWidth(text);
// Underline just the "P".
text.setSpan(new RedUnderlineSpan(), 0, 1, Spanned.SPAN_INCLUSIVE_INCLUSIVE);
final float underlinedLineWidth = textWidth(text);
assertEquals(origLineWidth, underlinedLineWidth, 0.0f);
}
// Measures the width of some potentially-spanned text, assuming it's not too wide.
private float textWidth(CharSequence text) {
final TextPaint tp = new TextPaint();
tp.setTextSize(100.0f); // Large enough so that the difference in kerning is visible.
final int largeWidth = 10000; // Enough width so the whole text fits in one line.
final StaticLayout layout = StaticLayout.Builder.obtain(
text, 0, text.length(), tp, largeWidth).build();
return layout.getLineWidth(0);
}
}

View File

@@ -16,6 +16,7 @@
package android.text.util;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
@@ -25,15 +26,20 @@ import android.os.LocaleList;
import android.support.test.InstrumentationRegistry;
import android.support.test.filters.SmallTest;
import android.support.test.runner.AndroidJUnit4;
import android.text.Spannable;
import android.text.SpannableString;
import android.text.method.LinkMovementMethod;
import android.text.style.URLSpan;
import android.util.Patterns;
import android.widget.TextView;
import java.util.Locale;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import java.util.Locale;
/**
* LinkifyTest tests {@link Linkify}.
*/
@@ -98,4 +104,49 @@ public class LinkifyTest {
overrideConfig.setLocales(LOCALE_LIST_US);
return mContext.createConfigurationContext(overrideConfig);
}
@Test
public void testAddLinks_addsLinksWhenDefaultSchemeIsNull() {
Spannable spannable = new SpannableString("any https://android.com any android.com any");
Linkify.addLinks(spannable, Patterns.AUTOLINK_WEB_URL, null, null, null);
URLSpan[] spans = spannable.getSpans(0, spannable.length(), URLSpan.class);
assertEquals("android.com and https://android.com should be linkified", 2, spans.length);
assertEquals("https://android.com", spans[0].getURL());
assertEquals("android.com", spans[1].getURL());
}
@Test
public void testAddLinks_addsLinksWhenSchemesArrayIsNull() {
Spannable spannable = new SpannableString("any https://android.com any android.com any");
Linkify.addLinks(spannable, Patterns.AUTOLINK_WEB_URL, "http://", null, null);
URLSpan[] spans = spannable.getSpans(0, spannable.length(), URLSpan.class);
assertEquals("android.com and https://android.com should be linkified", 2, spans.length);
// expected behavior, passing null schemes array means: prepend defaultScheme to all links.
assertEquals("http://https://android.com", spans[0].getURL());
assertEquals("http://android.com", spans[1].getURL());
}
@Test
public void testAddLinks_prependsDefaultSchemeToBeginingOfLink() {
Spannable spannable = new SpannableString("any android.com any");
Linkify.addLinks(spannable, Patterns.AUTOLINK_WEB_URL, "http://",
new String[] { "http://", "https://"}, null, null);
URLSpan[] spans = spannable.getSpans(0, spannable.length(), URLSpan.class);
assertEquals("android.com should be linkified", 1, spans.length);
assertEquals("http://android.com", spans[0].getURL());
}
@Test
public void testAddLinks_doesNotPrependSchemeIfSchemeExists() {
Spannable spannable = new SpannableString("any https://android.com any");
Linkify.addLinks(spannable, Patterns.AUTOLINK_WEB_URL, "http://",
new String[] { "http://", "https://"}, null, null);
URLSpan[] spans = spannable.getSpans(0, spannable.length(), URLSpan.class);
assertEquals("android.com should be linkified", 1, spans.length);
assertEquals("https://android.com", spans[0].getURL());
}
}