public void testReverseTransition() {
MockCallBack cb = new MockCallBack();
mTransitionDrawable.setCallback(cb);
// reverse when there is no transition
cb.reset();
mTransitionDrawable.reverseTransition(2000);
assertTrue(cb.hasCalledInvalidateDrawable());
assertTransition(COLOR0, COLOR1, 2000);
// reverse after the other transition ends
cb.reset();
mTransitionDrawable.reverseTransition(2000);
assertTrue(cb.hasCalledInvalidateDrawable());
assertTransition(COLOR1, COLOR0, 2000);
// reverse when there is a transition in progress
makeTransitionInProgress(2000, 1000);
cb.reset();
mTransitionDrawable.reverseTransition(20000);
assertFalse(cb.hasCalledInvalidateDrawable());
int colorFrom = mBitmap.getPixel(0, 0);
assertTransition(colorFrom, COLOR0, 1500);
// reverse when there is a reverse transition in progress
makeReverseTransitionInProgress(2000, 1000);
cb.reset();
mTransitionDrawable.reverseTransition(20000);
assertFalse(cb.hasCalledInvalidateDrawable());
colorFrom = mBitmap.getPixel(0, 0);
assertTransition(colorFrom, COLOR1, 1500);
// should not accept negative duration
mTransitionDrawable.reverseTransition(-1);
}
public void testResetTransition() {
MockCallBack cb = new MockCallBack();
mTransitionDrawable.setCallback(cb);
// reset when there is no transition
cb.reset();
mTransitionDrawable.resetTransition();
assertTrue(cb.hasCalledInvalidateDrawable());
// reset when there is a transition in progress
makeTransitionInProgress(2000, 1000);
cb.reset();
mTransitionDrawable.resetTransition();
assertTrue(cb.hasCalledInvalidateDrawable());
assertTransitionStart(COLOR0);
assertTransitionEnd(COLOR0, 2000);
// reset when there is a reverse transition in progress
makeReverseTransitionInProgress(2000, 1000);
cb.reset();
mTransitionDrawable.resetTransition();
assertTrue(cb.hasCalledInvalidateDrawable());
assertTransitionStart(COLOR0);
assertTransitionEnd(COLOR0, 2000);
}
public void testStartTransition() {
MockCallBack cb = new MockCallBack();
mTransitionDrawable.setCallback(cb);
// start when there is no transition
cb.reset();
mTransitionDrawable.startTransition(2000);
assertTrue(cb.hasCalledInvalidateDrawable());
assertTransition(COLOR0, COLOR1, 2000);
// start when there is a transition in progress
makeTransitionInProgress(2000, 1000);
cb.reset();
mTransitionDrawable.startTransition(2000);
assertTrue(cb.hasCalledInvalidateDrawable());
assertTransition(COLOR0, COLOR1, 2000);
// start when there is a reverse transition in progress
makeReverseTransitionInProgress(2000, 1000);
cb.reset();
mTransitionDrawable.startTransition(2000);
assertTrue(cb.hasCalledInvalidateDrawable());
assertTransition(COLOR0, COLOR1, 2000);
// should not accept negative duration
mTransitionDrawable.startTransition(-1);
}
