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gerrit-public.fairphone.software / platform / frameworks / base / 2c22a91d4c1399cdbe2ade5f697aeb0f560e3f03 / . / docs / html / reference / android / support / test / espresso / ViewAssertion.html
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667
668<div class="jd-descr">
669
670
671<h2>Class Overview</h2>
672<p itemprop="articleBody">Responsible for performing assertions on a View element.<br>
673 <p>
674 This is considered part of the test framework public API - developers are free to write their own
675 assertions as long as they meet the following requirements:
676 <ul>
677 <li>Do not mutate the passed in view.
678 <li>Throw junit.framework.AssertionError when the view assertion does not hold.
679 <li>Implementation runs on the UI thread - so it should not do any blocking operations
680 <li>Downcasting the view to a specific type is allowed, provided there is a test that view is an
681 instance of that type before downcasting. If not, an AssertionError should be thrown.
682 <li>It is encouraged to access non-mutating methods on the view to perform assertion.
683 </ul>
684 <br>
685 <p>
686 Strongly consider using a existing ViewAssertion via the ViewAssertions utility class before
687 writing your own assertion.
688</p>
689
690
691
692
693
694</div><!-- jd-descr -->
695
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711<div class="jd-descr">
712
713
714<h2>Summary</h2>
715
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740
741
742<!-- ========== METHOD SUMMARY =========== -->
743<table id="pubmethods" class="jd-sumtable"><tr><th colspan="12">Public Methods</th></tr>
744
745
746
747
748 <tr class="alt-color api apilevel-" >
749 <td class="jd-typecol"><nobr>
750 abstract
751
752
753
754
755 void</nobr>
756 </td>
757 <td class="jd-linkcol" width="100%"><nobr>
758 <span class="sympad"><a href="../../../../../reference/android/support/test/espresso/ViewAssertion.html#check(android.view.View, android.support.test.espresso.NoMatchingViewException)">check</a></span>(View view, <a href="../../../../../reference/android/support/test/espresso/NoMatchingViewException.html">NoMatchingViewException</a> noViewFoundException)</nobr>
759
760 <div class="jd-descrdiv">
761 Checks the state of the given view (if such a view is present).
762
763
764
765 </div>
766
767 </td></tr>
768
769
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771</table>
772
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777
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779</div><!-- jd-descr (summary) -->
780
781<!-- Details -->
782
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784
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786
787
788
789
790<!-- XML Attributes -->
791
792
793<!-- Enum Values -->
794
795
796<!-- Constants -->
797
798
799<!-- Fields -->
800
801
802<!-- Public ctors -->
803
804
805
806<!-- ========= CONSTRUCTOR DETAIL ======== -->
807<!-- Protected ctors -->
808
809
810
811<!-- ========= METHOD DETAIL ======== -->
812<!-- Public methdos -->
813
814<h2>Public Methods</h2>
815
816
817
818<A NAME="check(android.view.View, android.support.test.espresso.NoMatchingViewException)"></A>
819
820<div class="jd-details api apilevel-">
821 <h4 class="jd-details-title">
822 <span class="normal">
823 public
824
825
826 abstract
827
828 void
829 </span>
830 <span class="sympad">check</span>
831 <span class="normal">(View view, <a href="../../../../../reference/android/support/test/espresso/NoMatchingViewException.html">NoMatchingViewException</a> noViewFoundException)</span>
832 </h4>
833 <div class="api-level">
834 <div></div>
835
836
837
838 </div>
839 <div class="jd-details-descr">
840
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843
844 <div class="jd-tagdata jd-tagdescr"><p>Checks the state of the given view (if such a view is present).</p></div>
845 <div class="jd-tagdata">
846 <h5 class="jd-tagtitle">Parameters</h5>
847 <table class="jd-tagtable">
848 <tr>
849 <th>view</td>
850 <td>the view, if one was found during the view interaction or null if it was not
851 (which may be an acceptable option for an assertion)</td>
852 </tr>
853 <tr>
854 <th>noViewFoundException</td>
855 <td>an exception detailing why the view could not be found or null if
856 the view was found
857</td>
858 </tr>
859 </table>
860 </div>
861
862 </div>
863</div>
864
865
866
867
868
869<!-- ========= METHOD DETAIL ======== -->
870
871
872
873<!-- ========= END OF CLASS DATA ========= -->
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