ViewAssertions

public final class ViewAssertions
extends Object

java.lang.Object
   ↳ androidx.test.espresso.assertion.ViewAssertions


Collection of common ViewAssertions.

Summary

Public methods

static ViewAssertion doesNotExist()

Returns an assert that ensures the view matcher does not find any matching view in the hierarchy.

static ViewAssertion matches(Matcher<? super View> viewMatcher)

Returns a generic ViewAssertion that asserts that a view exists in the view hierarchy and is matched by the given view matcher.

static ViewAssertion selectedDescendantsMatch(Matcher<View> selector, Matcher<View> matcher)

Returns a generic ViewAssertion that asserts that the descendant views selected by the selector match the specified matcher.

Inherited methods

From class java.lang.Object

Public methods

doesNotExist

ViewAssertion doesNotExist ()

Returns an assert that ensures the view matcher does not find any matching view in the hierarchy.

Returns
ViewAssertion

matches

ViewAssertion matches (Matcher<? super View> viewMatcher)

Returns a generic ViewAssertion that asserts that a view exists in the view hierarchy and is matched by the given view matcher.

Parameters
viewMatcher Matcher

Returns
ViewAssertion

selectedDescendantsMatch

ViewAssertion selectedDescendantsMatch (Matcher<View> selector, 
                Matcher<View> matcher)

Returns a generic ViewAssertion that asserts that the descendant views selected by the selector match the specified matcher.

Example: onView(rootView).check(selectedDescendantsMatch(not(isAssignableFrom(TextView.class)), hasContentDescription()));

Parameters
selector Matcher

matcher Matcher

Returns
ViewAssertion