michael@0: package org.mozilla.gecko.tests;
michael@0: 
michael@0: import org.mozilla.gecko.Actions;
michael@0: 
michael@0: import com.jayway.android.robotium.solo.Condition;
michael@0: 
michael@0: /**
michael@0:  * Tests session OOM save behavior.
michael@0:  *
michael@0:  * Builds a session and tests that the saved state is correct.
michael@0:  */
michael@0: public class testSessionOOMSave extends SessionTest {
michael@0:     private final static int SESSION_TIMEOUT = 25000;
michael@0: 
michael@0:     public void testSessionOOMSave() {
michael@0:         Actions.EventExpecter pageShowExpecter = mActions.expectGeckoEvent("Content:PageShow");
michael@0:         pageShowExpecter.blockForEvent();
michael@0:         pageShowExpecter.unregisterListener();
michael@0: 
michael@0:         PageInfo home = new PageInfo("about:home");
michael@0:         PageInfo page1 = new PageInfo("page1");
michael@0:         PageInfo page2 = new PageInfo("page2");
michael@0:         PageInfo page3 = new PageInfo("page3");
michael@0:         PageInfo page4 = new PageInfo("page4");
michael@0:         PageInfo page5 = new PageInfo("page5");
michael@0:         PageInfo page6 = new PageInfo("page6");
michael@0: 
michael@0:         SessionTab tab1 = new SessionTab(0, home, page1, page2);
michael@0:         SessionTab tab2 = new SessionTab(1, home, page3, page4);
michael@0:         SessionTab tab3 = new SessionTab(2, home, page5, page6);
michael@0: 
michael@0:         final Session session = new Session(1, tab1, tab2, tab3);
michael@0: 
michael@0:         // Load the tabs into the browser
michael@0:         loadSessionTabs(session);
michael@0: 
michael@0:         // Verify sessionstore.js written by Gecko. The session write is
michael@0:         // delayed for certain interactions (such as changing the selected
michael@0:         // tab), so the file is repeatedly read until it matches the expected
michael@0:         // output. Because of the delay, this part of the test takes ~9 seconds
michael@0:         // to pass.
michael@0:         VerifyJSONCondition verifyJSONCondition = new VerifyJSONCondition(session);
michael@0:         boolean success = waitForCondition(verifyJSONCondition, SESSION_TIMEOUT);
michael@0:         if (success) {
michael@0:             mAsserter.ok(true, "verified session JSON", null);
michael@0:         } else {
michael@0:             mAsserter.ok(false, "failed to verify session JSON",
michael@0:                     getStackTraceString(verifyJSONCondition.getLastException()));
michael@0:         }
michael@0:     }
michael@0: 
michael@0:     private class VerifyJSONCondition implements Condition {
michael@0:         private AssertException mLastException;
michael@0:         private final NonFatalAsserter mAsserter = new NonFatalAsserter();
michael@0:         private final Session mSession;
michael@0: 
michael@0:         public VerifyJSONCondition(Session session) {
michael@0:             mSession = session;
michael@0:         }
michael@0: 
michael@0:         @Override
michael@0:         public boolean isSatisfied() {
michael@0:             try {
michael@0:                 String sessionString = readProfileFile("sessionstore.js");
michael@0:                 if (sessionString == null) {
michael@0:                     mLastException = new AssertException("Could not read sessionstore.js");
michael@0:                     return false;
michael@0:                 }
michael@0: 
michael@0:                 verifySessionJSON(mSession, sessionString, mAsserter);
michael@0:             } catch (AssertException e) {
michael@0:                 mLastException = e;
michael@0:                 return false;
michael@0:             }
michael@0:             return true;
michael@0:         }
michael@0: 
michael@0:         /**
michael@0:          * Gets the last AssertException thrown by verifySessionJSON().
michael@0:          *
michael@0:          * This is useful to get the stack trace if the test fails.
michael@0:          */
michael@0:         public AssertException getLastException() {
michael@0:             return mLastException;
michael@0:         }
michael@0:     }
michael@0: }