Add simple cts tests for StaticLayout.Builder.
Bug: 21662770
Change-Id: I1ed14aa6ae1f14f59ab8687297211df10310a9d5
diff --git a/tests/tests/text/src/android/text/cts/StaticLayoutTest.java b/tests/tests/text/src/android/text/cts/StaticLayoutTest.java
index 3a64658..e3f0e0a 100644
--- a/tests/tests/text/src/android/text/cts/StaticLayoutTest.java
+++ b/tests/tests/text/src/android/text/cts/StaticLayoutTest.java
@@ -21,6 +21,7 @@
import android.text.GetChars;
import android.text.GraphicsOperations;
import android.text.Layout.Alignment;
+import android.text.TextUtils.TruncateAt;
import android.text.SpannableString;
import android.text.SpannableStringBuilder;
import android.text.SpannedString;
@@ -113,6 +114,104 @@
}
}
+ public void testBuilder() {
+ {
+ // Obtain.
+ StaticLayout.Builder builder = StaticLayout.Builder.obtain(LAYOUT_TEXT, 0,
+ LAYOUT_TEXT.length(), mDefaultPaint, DEFAULT_OUTER_WIDTH);
+ StaticLayout layout = builder.build();
+ // Check values passed to obtain().
+ assertEquals(LAYOUT_TEXT, layout.getText());
+ assertEquals(mDefaultPaint, layout.getPaint());
+ assertEquals(DEFAULT_OUTER_WIDTH, layout.getWidth());
+ // Check default values.
+ assertEquals(TextDirectionHeuristics.FIRSTSTRONG_LTR,
+ layout.getTextDirectionHeuristic());
+ assertEquals(Alignment.ALIGN_NORMAL, layout.getAlignment());
+ assertEquals(0.0f, layout.getSpacingAdd());
+ assertEquals(1.0f, layout.getSpacingMultiplier());
+ assertEquals(DEFAULT_OUTER_WIDTH, layout.getEllipsizedWidth());
+ }
+ {
+ // Obtain with null objects.
+ StaticLayout.Builder builder = StaticLayout.Builder.obtain(null, 0, 0, null, 0);
+ try {
+ StaticLayout layout = builder.build();
+ fail("should throw NullPointerException here");
+ } catch (NullPointerException e) {
+ }
+ }
+ {
+ // setText.
+ StaticLayout.Builder builder = StaticLayout.Builder.obtain(LAYOUT_TEXT, 0,
+ LAYOUT_TEXT.length(), mDefaultPaint, DEFAULT_OUTER_WIDTH);
+ builder.setText(LAYOUT_TEXT_SINGLE_LINE);
+ StaticLayout layout = builder.build();
+ assertEquals(LAYOUT_TEXT_SINGLE_LINE, layout.getText());
+ }
+ {
+ // setAlignment.
+ StaticLayout.Builder builder = StaticLayout.Builder.obtain(LAYOUT_TEXT, 0,
+ LAYOUT_TEXT.length(), mDefaultPaint, DEFAULT_OUTER_WIDTH);
+ builder.setAlignment(DEFAULT_ALIGN);
+ StaticLayout layout = builder.build();
+ assertEquals(DEFAULT_ALIGN, layout.getAlignment());
+ }
+ {
+ // setTextDirection.
+ StaticLayout.Builder builder = StaticLayout.Builder.obtain(LAYOUT_TEXT, 0,
+ LAYOUT_TEXT.length(), mDefaultPaint, DEFAULT_OUTER_WIDTH);
+ builder.setTextDirection(TextDirectionHeuristics.RTL);
+ StaticLayout layout = builder.build();
+ // Always returns TextDirectionHeuristics.FIRSTSTRONG_LTR.
+ assertEquals(TextDirectionHeuristics.FIRSTSTRONG_LTR,
+ layout.getTextDirectionHeuristic());
+ }
+ {
+ // setLineSpacing.
+ StaticLayout.Builder builder = StaticLayout.Builder.obtain(LAYOUT_TEXT, 0,
+ LAYOUT_TEXT.length(), mDefaultPaint, DEFAULT_OUTER_WIDTH);
+ builder.setLineSpacing(1.0f, 2.0f);
+ StaticLayout layout = builder.build();
+ assertEquals(1.0f, layout.getSpacingAdd());
+ assertEquals(2.0f, layout.getSpacingMultiplier());
+ }
+ {
+ // setEllipsizedWidth and setEllipsize.
+ StaticLayout.Builder builder = StaticLayout.Builder.obtain(LAYOUT_TEXT, 0,
+ LAYOUT_TEXT.length(), mDefaultPaint, DEFAULT_OUTER_WIDTH);
+ builder.setEllipsize(TruncateAt.END);
+ builder.setEllipsizedWidth(ELLIPSIZE_WIDTH);
+ StaticLayout layout = builder.build();
+ assertEquals(ELLIPSIZE_WIDTH, layout.getEllipsizedWidth());
+ assertEquals(DEFAULT_OUTER_WIDTH, layout.getWidth());
+ assertTrue(layout.getEllipsisCount(0) == 0);
+ assertTrue(layout.getEllipsisCount(5) > 0);
+ }
+ {
+ // setMaxLines.
+ StaticLayout.Builder builder = StaticLayout.Builder.obtain(LAYOUT_TEXT, 0,
+ LAYOUT_TEXT.length(), mDefaultPaint, DEFAULT_OUTER_WIDTH);
+ builder.setMaxLines(1);
+ builder.setEllipsize(TruncateAt.END);
+ StaticLayout layout = builder.build();
+ assertTrue(layout.getEllipsisCount(0) > 0);
+ assertEquals(1, layout.getLineCount());
+ }
+ {
+ // Setter methods that cannot be directly tested.
+ // setBreakStrategy, setHyphenationFrequency, setIncludePad, and setIndents.
+ StaticLayout.Builder builder = StaticLayout.Builder.obtain(LAYOUT_TEXT, 0,
+ LAYOUT_TEXT.length(), mDefaultPaint, DEFAULT_OUTER_WIDTH);
+ builder.setBreakStrategy(StaticLayout.BREAK_STRATEGY_HIGH_QUALITY);
+ builder.setHyphenationFrequency(StaticLayout.HYPHENATION_FREQUENCY_FULL);
+ builder.setIncludePad(true);
+ builder.setIndents(null, null);
+ StaticLayout layout = builder.build();
+ assertNotNull(layout);
+ }
+ }
+
/*
* Get the line number corresponding to the specified vertical position.
* If you ask for a position above 0, you get 0. above 0 means pixel above the fire line
