ScrollingThroughListOfFocusablesTestpublic class ScrollingThroughListOfFocusablesTest extends android.test.InstrumentationTestCase | TODO: extract base test case that launches {@link ListOfInternalSelectionViews} with
bundle params. |
| Fields Summary |
|---|
| android.graphics.Rect | mTempRect | | private ListOfInternalSelectionViews | mActivity | | private android.widget.ListView | mListView | | private int | mNumItems | | private int | mNumRowsPerItem | | private double | mScreenHeightFactor |
| Methods Summary |
|---|
| private void | assertInternallySelectedRowOnScreen(android.util.InternalSelectionView internalFocused, int row)
assertEquals("expecting selected row",
row, internalFocused.getSelectedRow());
internalFocused.getRectForRow(mTempRect, row);
mListView.offsetDescendantRectToMyCoords(internalFocused, mTempRect);
assertTrue("top of row " + row + " should be on sreen",
mTempRect.top >= 0);
assertTrue("bottom of row " + row + " should be on sreen",
mTempRect.bottom < mActivity.getScreenHeight());
| | private void | ensureNotInTouchMode()
// If in touch mode inject a DPAD down event to exit that mode.
if (mListView.isInTouchMode()) {
sendKeys(KeyEvent.KEYCODE_DPAD_DOWN);
getInstrumentation().waitForIdleSync();
}
| | protected void | setUp()
mActivity = launchActivity(
"com.android.frameworks.coretests",
ListOfInternalSelectionViews.class,
ListOfInternalSelectionViews.getBundleFor(
mNumItems, // 4 items
mNumRowsPerItem, // 5 internally selectable rows per item
mScreenHeightFactor)); // each item is 5 / 4 screen height tall
mListView = mActivity.getListView();
// Make sure we have some fading edge regardless of ListView style.
mListView.setVerticalFadingEdgeEnabled(true);
mListView.setFadingEdgeLength(10);
ensureNotInTouchMode();
| | protected void | tearDown()
mActivity.finish();
super.tearDown();
| | public void | testNavigatingUpThroughInternalSelection()
// get to bottom of second item
for (int i = 0; i < 2; i++) {
for (int j = 0; j < mNumRowsPerItem; j++) {
if (i < 1 || j < mNumRowsPerItem - 1) {
sendKeys(KeyEvent.KEYCODE_DPAD_DOWN);
getInstrumentation().waitForIdleSync();
}
}
}
// (make sure we are at last row of second item)
{
assertEquals(1, mListView.getSelectedItemPosition());
InternalSelectionView view = mActivity.getSelectedView();
assertEquals(mNumRowsPerItem - 1, view.getSelectedRow());
}
// go back up to the top of the second item
for (int i = mNumRowsPerItem - 1; i >= 0; i--) {
assertEquals(1, mListView.getSelectedItemPosition());
InternalSelectionView view = mActivity.getSelectedView();
assertInternallySelectedRowOnScreen(view, i);
// move up to next row
if (i > 0) {
sendKeys(KeyEvent.KEYCODE_DPAD_UP);
getInstrumentation().waitForIdleSync();
}
}
// now we are at top row, should have caused scrolling, and fading edge...
{
assertEquals(1, mListView.getSelectedItemPosition());
InternalSelectionView view = mActivity.getSelectedView();
assertEquals(0, view.getSelectedRow());
view.getDrawingRect(mTempRect);
mListView.offsetDescendantRectToMyCoords(view, mTempRect);
assertEquals("top of selected row should be just below top vertical fading edge",
mListView.getVerticalFadingEdgeLength(),
view.getTop());
}
// make sure fading edge is the view we expect
{
final InternalSelectionView view =
(InternalSelectionView) mListView.getChildAt(0);
assertEquals(mActivity.getLabelForPosition(0), view.getLabel());
}
| | public void | testNoFadingEdgeAtBottomOfLastItem()
// move down to last item
for (int i = 0; i < mNumItems; i++) {
for (int j = 0; j < mNumRowsPerItem; j++) {
if (i < mNumItems - 1 || j < mNumRowsPerItem - 1) {
sendKeys(KeyEvent.KEYCODE_DPAD_DOWN);
getInstrumentation().waitForIdleSync();
}
}
}
assertEquals(mNumItems - 1, mListView.getSelectedItemPosition());
InternalSelectionView view = mActivity.getSelectedView();
assertEquals(mNumRowsPerItem - 1, view.getSelectedRow());
view.getRectForRow(mTempRect, mNumRowsPerItem - 1);
mListView.offsetDescendantRectToMyCoords(view, mTempRect);
assertTrue("bottom of last row of last item should be at " +
"the bottom of the list view (no fading edge)",
mListView.getBottom() - mListView.getVerticalFadingEdgeLength() < mTempRect.bottom);
| | public void | testPreconditions()
assertNotNull(mActivity);
assertNotNull(mListView);
assertEquals(mNumItems, mActivity.getNumItems());
assertEquals(mNumRowsPerItem, mActivity.getNumRowsPerItem());
| | public void | testScrollingDownInFirstItem()
for (int i = 0; i < mNumRowsPerItem; i++) {
assertEquals(0, mListView.getSelectedItemPosition());
InternalSelectionView view = mActivity.getSelectedView();
assertInternallySelectedRowOnScreen(view, i);
// move to next row
if (i < mNumRowsPerItem - 1) {
sendKeys(KeyEvent.KEYCODE_DPAD_DOWN);
getInstrumentation().waitForIdleSync();
}
}
{
assertEquals(0, mListView.getSelectedItemPosition());
InternalSelectionView view = (InternalSelectionView)
mListView.getSelectedView();
// 1 pixel tolerance in case height / 4 is not an even number
final int bottomFadingEdgeTop =
mListView.getBottom() - mListView.getVerticalFadingEdgeLength();
assertTrue("bottom of view should be just above fading edge",
view.getBottom() == bottomFadingEdgeTop);
}
// make sure fading edge is the expected view
{
assertEquals("should be a second view visible due to the fading edge",
2, mListView.getChildCount());
InternalSelectionView peekingChild = (InternalSelectionView)
mListView.getChildAt(1);
assertNotNull(peekingChild);
assertEquals("wrong value for peeking list item",
mActivity.getLabelForPosition(1), peekingChild.getLabel());
}
| | public void | testScrollingToSecondItem()
for (int i = 0; i < mNumRowsPerItem; i++) {
sendKeys(KeyEvent.KEYCODE_DPAD_DOWN);
getInstrumentation().waitForIdleSync();
}
assertEquals("should have moved to second item",
1, mListView.getSelectedItemPosition());
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