Merge "Include magnification state graph in unit test javadoc" (9661f209) · Commits · e / os / android_frameworks_base

services/tests/servicestests/src/com/android/server/accessibility/MagnificationGestureHandlerTest.java

+28 −0

Original line number	Diff line number	Diff line
		@@ -49,6 +49,34 @@ import org.junit.runner.RunWith;
		import java.util.function.IntConsumer;


		/**
		* Tests the state transitions of {@link MagnificationGestureHandler}
		*
		* Here's a dot graph describing the transitions being tested:
		* {@code
		* digraph {
		* IDLE -> SHORTCUT_TRIGGERED [label="a11y\nbtn"]
		* SHORTCUT_TRIGGERED -> IDLE [label="a11y\nbtn"]
		* IDLE -> DOUBLE_TAP [label="2tap"]
		* DOUBLE_TAP -> IDLE [label="timeout"]
		* DOUBLE_TAP -> TRIPLE_TAP_AND_HOLD [label="down"]
		* SHORTCUT_TRIGGERED -> TRIPLE_TAP_AND_HOLD [label="down"]
		* TRIPLE_TAP_AND_HOLD -> ZOOMED [label="up"]
		* TRIPLE_TAP_AND_HOLD -> DRAGGING_TMP [label="hold/\nswipe"]
		* DRAGGING_TMP -> IDLE [label="release"]
		* ZOOMED -> ZOOMED_DOUBLE_TAP [label="2tap"]
		* ZOOMED_DOUBLE_TAP -> ZOOMED [label="timeout"]
		* ZOOMED_DOUBLE_TAP -> DRAGGING [label="hold"]
		* ZOOMED_DOUBLE_TAP -> IDLE [label="tap"]
		* DRAGGING -> ZOOMED [label="release"]
		* ZOOMED -> IDLE [label="a11y\nbtn"]
		* ZOOMED -> PANNING [label="2hold"]
		* PANNING -> PANNING_SCALING [label="pinch"]
		* PANNING_SCALING -> ZOOMED [label="release"]
		* PANNING -> ZOOMED [label="release"]
		* }
		* }
		*/
		@RunWith(AndroidJUnit4.class)
		public class MagnificationGestureHandlerTest {