Examples with BoundedMatcher android.support.test.espresso.matcher.BoundedMatcher used on opensource projects

Example 6 with BoundedMatcher

use of android.support.test.espresso.matcher.BoundedMatcher in project material-components-android by material-components.

the class TestUtilsMatchers method withStartDrawableFilledWith.

/**
   * Returns a matcher that matches TextViews whose start drawable is filled with the specified fill
   * color.
   */
public static Matcher withStartDrawableFilledWith(@ColorInt final int fillColor, final int allowedComponentVariance) {
    return new BoundedMatcher<View, TextView>(TextView.class) {

        private String failedCheckDescription;

        @Override
        public void describeTo(final Description description) {
            description.appendText(failedCheckDescription);
        }

        @Override
        public boolean matchesSafely(final TextView view) {
            final Drawable[] compoundDrawables = view.getCompoundDrawables();
            final boolean isRtl = (ViewCompat.getLayoutDirection(view) == ViewCompat.LAYOUT_DIRECTION_RTL);
            final Drawable startDrawable = isRtl ? compoundDrawables[2] : compoundDrawables[0];
            if (startDrawable == null) {
                failedCheckDescription = "no start drawable";
                return false;
            }
            try {
                final Rect bounds = startDrawable.getBounds();
                TestUtils.assertAllPixelsOfColor("", startDrawable, bounds.width(), bounds.height(), true, fillColor, allowedComponentVariance, true);
            } catch (Throwable t) {
                failedCheckDescription = t.getMessage();
                return false;
            }
            return true;
        }
    };
}