Add test case for measure consistency
Bug: 178205254
Test: atest TextViewTest
Change-Id: I0b0367004b816113297a33a83951e7950ecd8be4
diff --git a/tests/tests/widget/src/android/widget/cts/TextViewTest.java b/tests/tests/widget/src/android/widget/cts/TextViewTest.java
index 93ffda3..c114fd2 100644
--- a/tests/tests/widget/src/android/widget/cts/TextViewTest.java
+++ b/tests/tests/widget/src/android/widget/cts/TextViewTest.java
@@ -82,6 +82,7 @@
import android.text.SpannableString;
import android.text.SpannableStringBuilder;
import android.text.Spanned;
+import android.text.StaticLayout;
import android.text.TextDirectionHeuristics;
import android.text.TextPaint;
import android.text.TextUtils;
@@ -8721,6 +8722,27 @@
assertEquals(TextDirectionHeuristics.LOCALE, textView.getTextDirectionHeuristic());
}
+ @Test
+ public void measureConsistency() {
+ String text = "12\n34";
+ TextView textView = new TextView(mActivity);
+ textView.setTextSize(TypedValue.COMPLEX_UNIT_PX, 100);
+ textView.setText(text);
+
+ int width = (int) Math.ceil(Layout.getDesiredWidth(text, textView.getPaint()));
+ int height = StaticLayout.Builder.obtain(text, 0, text.length(),
+ textView.getPaint(), width).build().getHeight();
+ // Reserve enough width for the text.
+ int wMeasureSpec = View.MeasureSpec.makeMeasureSpec(width * 2, View.MeasureSpec.AT_MOST);
+ int hMeasureSpec = View.MeasureSpec.makeMeasureSpec(height * 2, View.MeasureSpec.AT_MOST);
+
+ textView.measure(wMeasureSpec, hMeasureSpec);
+ int measuredWidth = textView.getMeasuredWidth();
+
+ textView.measure(wMeasureSpec, hMeasureSpec);
+ assertEquals(measuredWidth, textView.getMeasuredWidth());
+ }
+
private void initializeTextForSmartSelection(CharSequence text) throws Throwable {
assertTrue(text.length() >= SMARTSELECT_END);
mActivityRule.runOnUiThread(() -> {
