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Merge "Add cursor positioning tests for emoji." into nyc-dev

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This commit is contained in:
Seigo Nonaka
2016-03-24 03:45:55 +00:00
committed by Android (Google) Code Review
parent 0df18a12bf f4afb095a0
commit 6ef4a1c9cc
1 changed files with 93 additions and 0 deletions
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93
core/tests/coretests/src/android/text/StaticLayoutTest.java
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@@ -20,6 +20,8 @@ import android.graphics.Paint.FontMetricsInt;
import android.test.suitebuilder.annotation.SmallTest;
import android.text.Layout.Alignment;
import static android.text.Layout.Alignment.*;
import android.text.TextPaint;
import android.text.method.EditorState;
import android.util.Log;
import junit.framework.TestCase;
@@ -33,6 +35,10 @@ import junit.framework.TestCase;
* @Suppress
*/
public class StaticLayoutTest extends TestCase {
private static final int DEFAULT_OUTER_WIDTH = 150;
private static final Alignment DEFAULT_ALIGN = Alignment.ALIGN_CENTER;
private static final float SPACE_MULTI = 1.0f;
private static final float SPACE_ADD = 0.0f;
/**
* Basic test showing expected behavior and relationship between font
@@ -321,4 +327,91 @@ public class StaticLayoutTest extends TestCase {
assertEquals(topPad, l.getTopPadding());
assertEquals(botPad, l.getBottomPadding());
}
private void moveCursorToRightCursorableOffset(EditorState state, TextPaint paint) {
assertEquals("The editor has selection", state.mSelectionStart, state.mSelectionEnd);
final Layout layout = builder().setText(state.mText.toString()).setPaint(paint).build();
final int newOffset = layout.getOffsetToRightOf(state.mSelectionStart);
state.mSelectionStart = state.mSelectionEnd = newOffset;
}
private void moveCursorToLeftCursorableOffset(EditorState state, TextPaint paint) {
assertEquals("The editor has selection", state.mSelectionStart, state.mSelectionEnd);
final Layout layout = builder().setText(state.mText.toString()).setPaint(paint).build();
final int newOffset = layout.getOffsetToLeftOf(state.mSelectionStart);
state.mSelectionStart = state.mSelectionEnd = newOffset;
}
/**
* Tests for keycap, variation selectors, flags are in CTS.
* See {@link android.text.cts.StaticLayoutTest}.
*/
public void testEmojiOffset() {
EditorState state = new EditorState();
TextPaint paint = new TextPaint();
// Odd numbered regional indicator symbols.
// U+1F1E6 is REGIONAL INDICATOR SYMBOL LETTER A, U+1F1E8 is REGIONAL INDICATOR SYMBOL
// LETTER C.
state.setByString("| U+1F1E6 U+1F1E8 U+1F1E6 U+1F1E8 U+1F1E6");
moveCursorToRightCursorableOffset(state, paint);
state.setByString("U+1F1E6 U+1F1E8 | U+1F1E6 U+1F1E8 U+1F1E6");
moveCursorToRightCursorableOffset(state, paint);
state.setByString("U+1F1E6 U+1F1E8 U+1F1E6 U+1F1E8 | U+1F1E6");
moveCursorToRightCursorableOffset(state, paint);
state.setByString("U+1F1E6 U+1F1E8 U+1F1E6 U+1F1E8 U+1F1E6 |");
moveCursorToRightCursorableOffset(state, paint);
state.setByString("U+1F1E6 U+1F1E8 U+1F1E6 U+1F1E8 U+1F1E6 |");
moveCursorToLeftCursorableOffset(state, paint);
state.setByString("U+1F1E6 U+1F1E8 U+1F1E6 U+1F1E8 | U+1F1E6");
moveCursorToLeftCursorableOffset(state, paint);
state.setByString("U+1F1E6 U+1F1E8 | U+1F1E6 U+1F1E8 U+1F1E6");
moveCursorToLeftCursorableOffset(state, paint);
state.setByString("| U+1F1E6 U+1F1E8 U+1F1E6 U+1F1E8 U+1F1E6");
moveCursorToLeftCursorableOffset(state, paint);
state.setByString("| U+1F1E6 U+1F1E8 U+1F1E6 U+1F1E8 U+1F1E6");
moveCursorToLeftCursorableOffset(state, paint);
// Zero width sequence
final String zwjSequence = "U+1F468 U+200D U+2764 U+FE0F U+200D U+1F468";
state.setByString("| " + zwjSequence + " " + zwjSequence + " " + zwjSequence);
moveCursorToRightCursorableOffset(state, paint);
state.assertEquals(zwjSequence + " | " + zwjSequence + " " + zwjSequence);
moveCursorToRightCursorableOffset(state, paint);
state.assertEquals(zwjSequence + " " + zwjSequence + " | " + zwjSequence);
moveCursorToRightCursorableOffset(state, paint);
state.assertEquals(zwjSequence + " " + zwjSequence + " " + zwjSequence + " |");
moveCursorToRightCursorableOffset(state, paint);
state.assertEquals(zwjSequence + " " + zwjSequence + " " + zwjSequence + " |");
moveCursorToLeftCursorableOffset(state, paint);
state.assertEquals(zwjSequence + " " + zwjSequence + " | " + zwjSequence);
moveCursorToLeftCursorableOffset(state, paint);
state.assertEquals(zwjSequence + " | " + zwjSequence + " " + zwjSequence);
moveCursorToLeftCursorableOffset(state, paint);
state.assertEquals("| " + zwjSequence + " " + zwjSequence + " " + zwjSequence);
moveCursorToLeftCursorableOffset(state, paint);
state.assertEquals("| " + zwjSequence + " " + zwjSequence + " " + zwjSequence);
moveCursorToLeftCursorableOffset(state, paint);
// Emoji modifiers
// U+261D is WHITE UP POINTING INDEX, U+1F3FB is EMOJI MODIFIER FITZPATRICK TYPE-1-2.
state.setByString("| U+261D U+1F3FB U+261D U+1F3FB U+261D U+1F3FB");
moveCursorToRightCursorableOffset(state, paint);
state.setByString("U+261D U+1F3FB | U+261D U+1F3FB U+261D U+1F3FB");
moveCursorToRightCursorableOffset(state, paint);
state.setByString("U+261D U+1F3FB U+261D U+1F3FB | U+261D U+1F3FB");
moveCursorToRightCursorableOffset(state, paint);
state.setByString("U+261D U+1F3FB U+261D U+1F3FB U+261D U+1F3FB |");
moveCursorToRightCursorableOffset(state, paint);
state.setByString("U+261D U+1F3FB U+261D U+1F3FB U+261D U+1F3FB |");
moveCursorToLeftCursorableOffset(state, paint);
state.setByString("U+261D U+1F3FB U+261D U+1F3FB | U+261D U+1F3FB");
moveCursorToLeftCursorableOffset(state, paint);
state.setByString("U+261D U+1F3FB | U+261D U+1F3FB U+261D U+1F3FB");
moveCursorToLeftCursorableOffset(state, paint);
state.setByString("| U+261D U+1F3FB U+261D U+1F3FB U+261D U+1F3FB");
moveCursorToLeftCursorableOffset(state, paint);
state.setByString("| U+261D U+1F3FB U+261D U+1F3FB U+261D U+1F3FB");
moveCursorToLeftCursorableOffset(state, paint);
}
}