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Merge "Add tests: Paint#measureText for bidirectional text."

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This commit is contained in:
Keisuke Kuroyanagi
2015-10-01 20:11:49 +00:00
committed by Android (Google) Code Review
parent 674be55852 05de8fb29a
commit 3089211ce6
1 changed files with 56 additions and 0 deletions
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56
graphics/tests/graphicstests/src/android/graphics/PaintTest.java
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@@ -162,4 +162,60 @@ public class PaintTest extends AndroidTestCase {
} catch (IndexOutOfBoundsException e) {
}
}
public void testMeasureTextBidi() {
Paint p = new Paint();
{
String bidiText = "abc \u0644\u063A\u0629 def";
p.setBidiFlags(Paint.BIDI_LTR);
float width = p.measureText(bidiText, 0, 4);
p.setBidiFlags(Paint.BIDI_RTL);
width += p.measureText(bidiText, 4, 7);
p.setBidiFlags(Paint.BIDI_LTR);
width += p.measureText(bidiText, 7, bidiText.length());
assertEquals(width, p.measureText(bidiText), 1.0f);
}
{
String bidiText = "abc \u0644\u063A\u0629 def";
p.setBidiFlags(Paint.BIDI_DEFAULT_LTR);
float width = p.measureText(bidiText, 0, 4);
width += p.measureText(bidiText, 4, 7);
width += p.measureText(bidiText, 7, bidiText.length());
assertEquals(width, p.measureText(bidiText), 1.0f);
}
{
String bidiText = "abc \u0644\u063A\u0629 def";
p.setBidiFlags(Paint.BIDI_FORCE_LTR);
float width = p.measureText(bidiText, 0, 4);
width += p.measureText(bidiText, 4, 7);
width += p.measureText(bidiText, 7, bidiText.length());
assertEquals(width, p.measureText(bidiText), 1.0f);
}
{
String bidiText = "\u0644\u063A\u0629 abc \u0644\u063A\u0629";
p.setBidiFlags(Paint.BIDI_RTL);
float width = p.measureText(bidiText, 0, 4);
p.setBidiFlags(Paint.BIDI_LTR);
width += p.measureText(bidiText, 4, 7);
p.setBidiFlags(Paint.BIDI_RTL);
width += p.measureText(bidiText, 7, bidiText.length());
assertEquals(width, p.measureText(bidiText), 1.0f);
}
{
String bidiText = "\u0644\u063A\u0629 abc \u0644\u063A\u0629";
p.setBidiFlags(Paint.BIDI_DEFAULT_RTL);
float width = p.measureText(bidiText, 0, 4);
width += p.measureText(bidiText, 4, 7);
width += p.measureText(bidiText, 7, bidiText.length());
assertEquals(width, p.measureText(bidiText), 1.0f);
}
{
String bidiText = "\u0644\u063A\u0629 abc \u0644\u063A\u0629";
p.setBidiFlags(Paint.BIDI_FORCE_RTL);
float width = p.measureText(bidiText, 0, 4);
width += p.measureText(bidiText, 4, 7);
width += p.measureText(bidiText, 7, bidiText.length());
assertEquals(width, p.measureText(bidiText), 1.0f);
}
}
}