@Test public void testMatchParentWidthAndHeight() { LayoutParams params = new LayoutParams(LayoutParams.MATCH_PARENT, LayoutParams.MATCH_PARENT); view.setLayoutParams(params); target.getSize(cb); verify(cb, never()).onSizeReady(anyInt(), anyInt()); int width = 32; int height = 45; shadowView .setWidth(width) .setHeight(height) .setIsLaidOut(true); shadowObserver.fireOnPreDrawListeners(); verify(cb).onSizeReady(eq(width), eq(height)); }
@Test public void testDoesAddSecondListenerIfFirstListenerIsRemovedBeforeSecondRequest() { SizeReadyCallback cb1 = mock(SizeReadyCallback.class); target.getSize(cb1); view.setLayoutParams(new LayoutParams(100, 100)); shadowView.setIsLaidOut(true); shadowObserver.fireOnPreDrawListeners(); assertThat(shadowObserver.getPreDrawListeners()).hasSize(0); SizeReadyCallback cb2 = mock(SizeReadyCallback.class); view.setLayoutParams(new LayoutParams(LayoutParams.MATCH_PARENT, LayoutParams.MATCH_PARENT)); target.getSize(cb2); view.setLayoutParams(new LayoutParams(100, 100)); shadowObserver.fireOnPreDrawListeners(); verify(cb2).onSizeReady(anyInt(), anyInt()); }
private void checkIsAlive() { if (!isAlive()) { throw new IllegalStateException("ViewTreeObserver is not alive!"); } }
@Test public void testSizeCallbacksAreCalledInOrderPreDraw() { SizeReadyCallback[] cbs = new SizeReadyCallback[25]; for (int i = 0; i < cbs.length; i++) { cbs[i] = mock(SizeReadyCallback.class); target.getSize(cbs[i]); } int width = 100, height = 111; shadowView .setWidth(width) .setHeight(height) .setIsLaidOut(true); shadowObserver.fireOnPreDrawListeners(); InOrder order = inOrder((Object[]) cbs); for (SizeReadyCallback cb : cbs) { order.verify(cb).onSizeReady(eq(width), eq(height)); } }
@Test public void getSize_withWrapContentWidthAndMatchParentHeight_usesDisplayDimenWidthAndHeight() { LayoutParams params = new LayoutParams(LayoutParams.WRAP_CONTENT, LayoutParams.MATCH_PARENT); view.setLayoutParams(params); setDisplayDimens(500, 600); target.getSize(cb); verify(cb, never()).onSizeReady(anyInt(), anyInt()); int height = 32; shadowView .setHeight(height) .setIsLaidOut(true); shadowObserver.fireOnPreDrawListeners(); verify(cb).onSizeReady(600, height); }
@Test public void testCallbacksFromMultipleRequestsAreNotifiedOnPreDraw() { SizeReadyCallback firstCb = mock(SizeReadyCallback.class); SizeReadyCallback secondCb = mock(SizeReadyCallback.class); target.getSize(firstCb); target.getSize(secondCb); int width = 68; int height = 875; LayoutParams layoutParams = new LayoutParams(width, height); view.setLayoutParams(layoutParams); shadowView.setIsLaidOut(true); shadowObserver.fireOnPreDrawListeners(); shadowObserver.fireOnPreDrawListeners(); verify(firstCb, times(1)).onSizeReady(eq(width), eq(height)); verify(secondCb, times(1)).onSizeReady(eq(width), eq(height)); }
@Test public void getSize_withMatchParentWidthAndWrapContentHeight_usesWidthAndDisplayDimenHeight() { LayoutParams params = new LayoutParams(LayoutParams.MATCH_PARENT, LayoutParams.WRAP_CONTENT); view.setLayoutParams(params); setDisplayDimens(300, 400); target.getSize(cb); verify(cb, never()).onSizeReady(anyInt(), anyInt()); int width = 32; shadowView .setWidth(width) .setIsLaidOut(true); shadowObserver.fireOnPreDrawListeners(); verify(cb).onSizeReady(width, 400); }
@Test public void testCallbackIsNotCalledTwiceIfPreDrawFiresTwice() { target.getSize(cb); LayoutParams layoutParams = new LayoutParams(1234, 4123); view.setLayoutParams(layoutParams); shadowView.setIsLaidOut(true); shadowObserver.fireOnPreDrawListeners(); shadowObserver.fireOnPreDrawListeners(); verify(cb, times(1)).onSizeReady(anyInt(), anyInt()); }
@Test public void testSizeCallbackIsCalledPreDrawIfNoDimensAndNoLayoutParams() { target.getSize(cb); int width = 12; int height = 32; shadowView .setWidth(width) .setHeight(height) .setIsLaidOut(true); shadowObserver.fireOnPreDrawListeners(); verify(cb).onSizeReady(eq(width), eq(height)); }
@SuppressWarnings("unused") @Implementation public void addOnPreDrawListener(OnPreDrawListener listener) { checkIsAlive(); preDrawListeners.add(listener); }
@Test public void testSizeCallbackIsNotCalledPreDrawIfNoDimensSetOnPreDraw() { target.getSize(cb); shadowObserver.fireOnPreDrawListeners(); verify(cb, never()).onSizeReady(anyInt(), anyInt()); assertThat(shadowObserver.getPreDrawListeners()).hasSize(1); }
@SuppressWarnings("unused") @Implementation public void removeOnPreDrawListener(OnPreDrawListener listener) { checkIsAlive(); preDrawListeners.remove(listener); }
@Test public void testDoesNotNotifyCallbackTwiceIfAddedTwice() { target.getSize(cb); target.getSize(cb); view.setLayoutParams(new LayoutParams(100, 100)); shadowView.setIsLaidOut(true); shadowObserver.fireOnPreDrawListeners(); verify(cb, times(1)).onSizeReady(anyInt(), anyInt()); }
@Test public void testDoesNotThrowOnPreDrawIfViewTreeObserverIsDead() { target.getSize(cb); int width = 1; int height = 2; LayoutParams layoutParams = new LayoutParams(width, height); view.setLayoutParams(layoutParams); shadowView.setIsLaidOut(true); shadowObserver.setIsAlive(false); shadowObserver.fireOnPreDrawListeners(); verify(cb).onSizeReady(eq(width), eq(height)); }
@Test public void testSizeCallbackIsCalledPreDrawIfNoDimensAndNoLayoutParamsButLayoutParamsSetLater() { target.getSize(cb); int width = 689; int height = 354; LayoutParams layoutParams = new LayoutParams(width, height); view.setLayoutParams(layoutParams); shadowView.setIsLaidOut(true); shadowObserver.fireOnPreDrawListeners(); verify(cb).onSizeReady(eq(width), eq(height)); }
@Test public void testDoesNotAddMultipleListenersIfMultipleCallbacksAreAdded() { SizeReadyCallback cb1 = mock(SizeReadyCallback.class); SizeReadyCallback cb2 = mock(SizeReadyCallback.class); target.getSize(cb1); target.getSize(cb2); assertThat(shadowObserver.getPreDrawListeners()).hasSize(1); }