@Override
public void run(TestResult result) {
super.run(result);
if (!result.wasSuccessful()) {
result.addFailure(this, new AssertionFailedError(mLog.toString()));
}
}
@Test
public void testChangeAll() throws Exception {
try {
setupBasic(5, 0, 3);
up(0, 5);
mAdapterHelper.preProcess();
} catch (Throwable t) {
throw new Exception(mLog.toString());
}
}
@Test
public void testScenerio33() throws Throwable {
try {
mCollectLogs = true;
setupBasic(10, 7, 1);
mv(0, 6);
up(0, 7);
preProcess();
} catch (Throwable t) {
throw new Throwable(t.getMessage() + "\n" + mLog.toString());
}
}
@Test
public void testScenerio37() throws Throwable {
try {
mCollectLogs = true;
setupBasic(10, 5, 2);
mv(3, 6);
rm(4, 4);
rm(3, 2);
preProcess();
} catch (Throwable t) {
throw new Throwable(t.getMessage() + "\n" + mLog.toString());
}
}
@Test
public void testRandom() throws Throwable {
mCollectLogs = true;
Random random = new Random(System.nanoTime());
for (int i = 0; i < 100; i++) {
try {
Log.d(TAG, "running random test " + i);
randomTest(random, Math.max(40, 10 + nextInt(random, i)));
} catch (Throwable t) {
throw new Throwable(
"failure at random test " + i + "\n" + t.getMessage() + "\n" + mLog.toString(), t);
}
}
}
void preProcess() {
for (MockViewHolder vh : mViewHolders) {
final int ind = mTestAdapter.mItems.indexOf(vh.mItem);
assertEquals(
"actual adapter position should match",
ind,
mAdapterHelper.applyPendingUpdatesToPosition(vh.mPosition));
}
mAdapterHelper.preProcess();
for (int i = 0; i < mPreProcessClone.mItems.size(); i++) {
TestAdapter.Item item = mPreProcessClone.mItems.get(i);
final int preLayoutIndex = mPreLayoutItems.indexOf(item);
final int endIndex = mTestAdapter.mItems.indexOf(item);
if (preLayoutIndex != -1) {
assertEquals(
"find position offset should work properly for existing elements"
+ i
+ " at pre layout position "
+ preLayoutIndex
+ " and post layout position "
+ endIndex,
endIndex,
mAdapterHelper.findPositionOffset(preLayoutIndex));
}
}
// make sure visible view holders still have continuous positions
final StringBuilder vhLogBuilder = new StringBuilder();
for (ViewHolder vh : mViewHolders) {
vhLogBuilder.append("\n").append(vh.toString());
}
if (mViewHolders.size() > 0) {
final String vhLog = vhLogBuilder.toString();
final int start = mViewHolders.get(0).getLayoutPosition();
for (int i = 1; i < mViewHolders.size(); i++) {
assertEquals(
"view holder positions should be continious in pre-layout" + vhLog,
start + i,
mViewHolders.get(i).getLayoutPosition());
}
}
mAdapterHelper.consumePostponedUpdates();
// now assert these two adapters have identical data.
mPreProcessClone.applyOps(mFirstPassUpdates, mTestAdapter);
mPreProcessClone.applyOps(mSecondPassUpdates, mTestAdapter);
assertAdaptersEqual(mTestAdapter, mPreProcessClone);
}