@Test public void testDotToken1() { CStroke stroke0 = new CStroke(1.0f, 1.0f); curator.addStroke(stroke0); assertEquals(1, curator.getWrittenTokenRecogWinners().size()); assertEquals(1, curator.getTokenUuids().size()); assertEquals(".", curator.getWrittenTokenRecogWinners().get(0)); }
@Test public void testMergeStrokes() { /* Add 1st stroke: "-" */ CStroke stroke0 = new CStroke(0.0f, 0.0f); stroke0.addPoint(10f, 0.0f); stroke0.addPoint(20f, 0.0f); stroke0.addPoint(30f, 0.0f); stroke0.addPoint(40f, 0.0f); curator.addStroke(stroke0); assertEquals(1, curator.getWrittenTokenRecogWinners().size()); assertEquals(1, curator.getTokenUuids().size()); assertEquals("-", curator.getWrittenTokenRecogWinners().get(0)); /* Add 2nd stroke: "-": 1st stroke of T */ CStroke stroke1 = new CStroke(50f, -10f); stroke1.addPoint(60f, -10f); stroke1.addPoint(70f, -10f); stroke1.addPoint(80f, -10f); curator.addStroke(stroke1); assertEquals(2, curator.getWrittenTokenRecogWinners().size()); assertEquals(2, curator.getTokenUuids().size()); assertEquals("-", curator.getWrittenTokenRecogWinners().get(0)); assertEquals("-", curator.getWrittenTokenRecogWinners().get(1)); /* Add 3rd stroke: "1": 2nd stroke of T */ CStroke stroke2 = new CStroke(65.1f, -5f); stroke2.addPoint(65.2f, 5f); stroke2.addPoint(65.3f, 15f); stroke2.addPoint(65.4f, 25f); curator.addStroke(stroke2); assertEquals(3, curator.getWrittenTokenRecogWinners().size()); assertEquals(3, curator.getTokenUuids().size()); assertEquals("-", curator.getWrittenTokenRecogWinners().get(0)); assertEquals("-", curator.getWrittenTokenRecogWinners().get(1)); assertEquals("1", curator.getWrittenTokenRecogWinners().get(2)); List<String> uuidsBefore = curator.getTokenUuids(); /* Merge the last two strokes as "T" */ curator.mergeStrokesAsToken(new int[] {1, 2}); assertEquals(2, curator.getWrittenTokenRecogWinners().size()); assertEquals(2, curator.getTokenUuids().size()); assertEquals("-", curator.getWrittenTokenRecogWinners().get(0)); assertEquals("T", curator.getWrittenTokenRecogWinners().get(1)); List<String> uuidsAfter = curator.getTokenUuids(); // The first token ("-") is not affected by the merger, so its UUID should not change assertEquals(uuidsBefore.get(0), uuidsAfter.get(0)); // The 2nd tokens should now be different due to the merging assertNotEquals(uuidsBefore.get(1), uuidsAfter.get(1)); }
@Test public void testUnmergeStroke1() { /* Add 1st stroke of "=" */ CStroke stroke0 = new CStroke(0.0f, 0.0f); stroke0.addPoint(10f, 0.0f); stroke0.addPoint(20f, 0.0f); stroke0.addPoint(30f, 0.0f); stroke0.addPoint(40f, 0.0f); curator.addStroke(stroke0); assertEquals(curator.getWrittenTokenRecogWinners().size(), 1); assertEquals(curator.getWrittenTokenRecogWinners().get(0), "-"); assertEquals(1, curator.getTokenUuids().size()); /* Add 2nd stroke of "=" */ CStroke stroke1 = new CStroke(0.0f, 10f); stroke1.addPoint(10f, 10f); stroke1.addPoint(20f, 10f); stroke1.addPoint(30f, 10f); stroke1.addPoint(40f, 10f); curator.addStroke(stroke1); assertEquals(curator.getWrittenTokenRecogWinners().size(), 1); assertEquals(curator.getWrittenTokenRecogWinners().get(0), "="); assertEquals(1, curator.getTokenUuids().size()); /* Unmerge the 2nd stroke */ curator.mergeStrokesAsToken(new int[] {1}); assertEquals(curator.getWrittenTokenRecogWinners().size(), 2); assertEquals(curator.getWrittenTokenRecogWinners().get(0), "-"); assertEquals(curator.getWrittenTokenRecogWinners().get(1), "-"); assertEquals(2, curator.getTokenUuids().size()); assertNotEquals(curator.getTokenUuid(0), curator.getTokenUuid(1)); }
/* Test undo / redo stack */ @Test public void testUndoRedo() { final float tol = 1E-9f; /* stroke0 and stroke1 constitute "=" */ CStroke stroke0 = new CStroke(); stroke0.addPoint(0.0f, 0.0f); stroke0.addPoint(10.0f, 0.1f); stroke0.addPoint(20.0f, 0.0f); stroke0.addPoint(30.0f, 0.05f); CStroke stroke1 = new CStroke(); stroke1.addPoint(0.0f, 10.0f); stroke1.addPoint(10.0f, 10.95f); stroke1.addPoint(20.0f, 10.0f); stroke1.addPoint(30.0f, 10.02f); /* stroke2 and stroke3 constitute "T". But they need to be merged manually. * But eventually it'll be force-recognized as "+" instead */ CStroke stroke2 = new CStroke(); stroke2.addPoint(40.0f, -10.0f); stroke2.addPoint(50.0f, -10.1f); stroke2.addPoint(60.0f, -10.2f); stroke2.addPoint(70.0f, -10.1f); CStroke stroke3 = new CStroke(); stroke3.addPoint(55.0f, -10.0f); stroke3.addPoint(55.0f, 0.0f); stroke3.addPoint(55.0f, 10.0f); stroke3.addPoint(55.0f, 20.0f); // State stack is empty initially assertNull(curator.getLastUserAction()); // Initially the state stack should be empty. An exception should be thrown if you attempt to // undo or redo. IllegalStateException caughtException = null; try { curator.undoUserAction(); } catch (IllegalStateException e) { caughtException = e; } assertNotNull(caughtException); caughtException = null; try { curator.redoUserAction(); } catch (IllegalStateException e) { caughtException = e; } assertNotNull(caughtException); assertFalse(curator.canUndoUserAction()); assertFalse(curator.canRedoUserAction()); // Add the first stroke curator.addStroke(stroke0); assertEquals(StrokeCuratorUserAction.AddStroke, curator.getLastUserAction()); assertTrue(curator.canUndoUserAction()); assertFalse(curator.canRedoUserAction()); assertEquals(1, curator.getNumTokens()); assertEquals(1, curator.getNumStrokes()); assertEquals(1, curator.getWrittenTokenRecogWinners().size()); assertEquals("-", curator.getWrittenTokenRecogWinners().get(0)); assertEquals(1, curator.getTokenUuids().size()); assertEquals(1, curator.getTokenUuids().size()); String token0Uuid = curator.getTokenUuid(0); // Add the second stroke curator.addStroke(stroke1); assertEquals(StrokeCuratorUserAction.AddStroke, curator.getLastUserAction()); assertTrue(curator.canUndoUserAction()); assertFalse(curator.canRedoUserAction()); assertEquals(1, curator.getNumTokens()); assertEquals(2, curator.getNumStrokes()); assertEquals(1, curator.getWrittenTokenRecogWinners().size()); assertEquals("=", curator.getWrittenTokenRecogWinners().get(0)); assertEquals(1, curator.getTokenUuids().size()); String tokenUuidEqualSign = curator.getTokenUuid(0); // Undo the AddStroke action curator.undoUserAction(); assertTrue(curator.canUndoUserAction()); assertTrue(curator.canRedoUserAction()); assertEquals(1, curator.getNumTokens()); assertEquals(1, curator.getNumStrokes()); assertEquals(1, curator.getWrittenTokenRecogWinners().size()); assertEquals("-", curator.getWrittenTokenRecogWinners().get(0)); assertEquals(1, curator.getTokenUuids().size()); assertEquals(token0Uuid, curator.getTokenUuid(0)); // The UUID shouldn't have changed // Redo the AddStroke action curator.redoUserAction(); assertTrue(curator.canUndoUserAction()); assertFalse(curator.canRedoUserAction()); assertEquals(1, curator.getNumTokens()); assertEquals(2, curator.getNumStrokes()); assertEquals(1, curator.getWrittenTokenRecogWinners().size()); assertEquals("=", curator.getWrittenTokenRecogWinners().get(0)); assertEquals(1, curator.getTokenUuids().size()); assertEquals(tokenUuidEqualSign, curator.getTokenUuid(0)); // The UUID shouldn't have changed float[] tokenBounds = curator.getWrittenTokenSet().getTokenBounds(0); assertArrayEquals(new float[] {0.0f, 0.0f, 30.0f, 10.95f}, tokenBounds, tol); // Move token curator.moveToken(0, new float[] {1.0f, 1.0f, 31.0f, 11.95f}); assertEquals("=", curator.getWrittenTokenRecogWinners().get(0)); tokenBounds = curator.getWrittenTokenSet().getTokenBounds(0); assertArrayEquals(new float[] {1.0f, 1.0f, 31.0f, 11.95f}, tokenBounds, tol); assertEquals(StrokeCuratorUserAction.MoveToken, curator.getLastUserAction()); assertTrue(curator.canUndoUserAction()); assertFalse(curator.canRedoUserAction()); // Undo MoveToken curator.undoUserAction(); assertEquals("=", curator.getWrittenTokenRecogWinners().get(0)); tokenBounds = curator.getWrittenTokenSet().getTokenBounds(0); assertArrayEquals(new float[] {0.0f, 0.0f, 30.0f, 10.95f}, tokenBounds, tol); assertEquals(StrokeCuratorUserAction.AddStroke, curator.getLastUserAction()); assertTrue(curator.canUndoUserAction()); assertTrue(curator.canRedoUserAction()); // Redo MoveToken curator.redoUserAction(); assertEquals("=", curator.getWrittenTokenRecogWinners().get(0)); tokenBounds = curator.getWrittenTokenSet().getTokenBounds(0); assertArrayEquals(new float[] {1.0f, 1.0f, 31.0f, 11.95f}, tokenBounds, tol); assertEquals(StrokeCuratorUserAction.MoveToken, curator.getLastUserAction()); assertTrue(curator.canUndoUserAction()); assertFalse(curator.canRedoUserAction()); // Undo the MoveToken and two AddStroke actions curator.undoUserAction(); curator.undoUserAction(); curator.undoUserAction(); assertFalse(curator.canUndoUserAction()); assertTrue(curator.canRedoUserAction()); assertEquals(0, curator.getNumTokens()); assertEquals(0, curator.getNumStrokes()); // Redo both AddStroke actions curator.redoUserAction(); curator.redoUserAction(); assertTrue(curator.canUndoUserAction()); assertTrue(curator.canRedoUserAction()); assertEquals(1, curator.getNumTokens()); assertEquals(2, curator.getNumStrokes()); assertEquals(1, curator.getWrittenTokenRecogWinners().size()); assertEquals("=", curator.getWrittenTokenRecogWinners().get(0)); // Unmerge the 2nd stroke curator.mergeStrokesAsToken(new int[] {1}); assertEquals(2, curator.getNumTokens()); assertEquals(2, curator.getNumStrokes()); assertEquals(2, curator.getWrittenTokenRecogWinners().size()); assertEquals("-", curator.getWrittenTokenRecogWinners().get(0)); assertEquals("-", curator.getWrittenTokenRecogWinners().get(1)); assertEquals(2, curator.getTokenUuids().size()); assertNotEquals(curator.getTokenUuid(0), curator.getTokenUuid(1)); assertTrue(curator.canUndoUserAction()); assertFalse(curator.canRedoUserAction()); // The internal implementation of the unmerge action is actually merge assertEquals(StrokeCuratorUserAction.MergeStrokesAsToken, curator.getLastUserAction()); // Undo the unmerge (i.e., implemented as merge internally) curator.undoUserAction(); assertTrue(curator.canUndoUserAction()); assertTrue(curator.canRedoUserAction()); assertEquals(1, curator.getNumTokens()); assertEquals(2, curator.getNumStrokes()); assertEquals(1, curator.getWrittenTokenRecogWinners().size()); assertEquals("=", curator.getWrittenTokenRecogWinners().get(0)); assertEquals(StrokeCuratorUserAction.AddStroke, curator.getLastUserAction()); // Force set token name curator.forceSetRecogWinner(0, "A"); assertTrue(curator.canUndoUserAction()); assertFalse(curator.canRedoUserAction()); assertEquals(1, curator.getNumTokens()); assertEquals(2, curator.getNumStrokes()); assertEquals(1, curator.getWrittenTokenRecogWinners().size()); assertEquals("A", curator.getWrittenTokenRecogWinners().get(0)); assertEquals(StrokeCuratorUserAction.ForceSetTokenName, curator.getLastUserAction()); // Undo force set token name curator.undoUserAction(); assertTrue(curator.canUndoUserAction()); assertTrue(curator.canRedoUserAction()); assertEquals(1, curator.getNumTokens()); assertEquals(2, curator.getNumStrokes()); assertEquals(1, curator.getWrittenTokenRecogWinners().size()); assertEquals("=", curator.getWrittenTokenRecogWinners().get(0)); assertEquals(StrokeCuratorUserAction.AddStroke, curator.getLastUserAction()); // Clear tokens curator.clear(); assertTrue(curator.canUndoUserAction()); assertFalse(curator.canRedoUserAction()); assertEquals(0, curator.getNumTokens()); assertEquals(0, curator.getNumStrokes()); assertEquals(StrokeCuratorUserAction.ClearStrokes, curator.getLastUserAction()); // Undo clear strokes curator.undoUserAction(); assertTrue(curator.canUndoUserAction()); assertTrue(curator.canRedoUserAction()); assertEquals(1, curator.getNumTokens()); assertEquals(2, curator.getNumStrokes()); assertEquals(1, curator.getWrittenTokenRecogWinners().size()); assertEquals("=", curator.getWrittenTokenRecogWinners().get(0)); assertEquals(StrokeCuratorUserAction.AddStroke, curator.getLastUserAction()); // Add the third and fourth strokes curator.addStroke(stroke2); curator.addStroke(stroke3); assertTrue(curator.canUndoUserAction()); assertFalse(curator.canRedoUserAction()); assertEquals(3, curator.getNumTokens()); assertEquals(4, curator.getNumStrokes()); assertEquals(3, curator.getWrittenTokenRecogWinners().size()); assertEquals("=", curator.getWrittenTokenRecogWinners().get(0)); assertEquals("-", curator.getWrittenTokenRecogWinners().get(1)); assertEquals("1", curator.getWrittenTokenRecogWinners().get(2)); // Merge the third and fourth strokes into "T" curator.mergeStrokesAsToken(new int[] {2, 3}); assertTrue(curator.canUndoUserAction()); assertFalse(curator.canRedoUserAction()); assertEquals(2, curator.getNumTokens()); assertEquals(4, curator.getNumStrokes()); assertEquals(2, curator.getWrittenTokenRecogWinners().size()); assertEquals("=", curator.getWrittenTokenRecogWinners().get(0)); assertEquals("T", curator.getWrittenTokenRecogWinners().get(1)); assertEquals(StrokeCuratorUserAction.MergeStrokesAsToken, curator.getLastUserAction()); // Remove a token curator.removeToken(1); assertTrue(curator.canUndoUserAction()); assertFalse(curator.canRedoUserAction()); assertEquals(1, curator.getNumTokens()); assertEquals(2, curator.getNumStrokes()); assertEquals(1, curator.getWrittenTokenRecogWinners().size()); assertEquals("=", curator.getWrittenTokenRecogWinners().get(0)); assertEquals(StrokeCuratorUserAction.RemoveToken, curator.getLastUserAction()); // Undo remove token curator.undoUserAction(); assertTrue(curator.canUndoUserAction()); assertTrue(curator.canRedoUserAction()); assertEquals(2, curator.getNumTokens()); assertEquals(4, curator.getNumStrokes()); assertEquals(2, curator.getWrittenTokenRecogWinners().size()); assertEquals("=", curator.getWrittenTokenRecogWinners().get(0)); assertEquals("T", curator.getWrittenTokenRecogWinners().get(1)); assertEquals(StrokeCuratorUserAction.MergeStrokesAsToken, curator.getLastUserAction()); // Redo remove token curator.redoUserAction(); assertTrue(curator.canUndoUserAction()); assertFalse(curator.canRedoUserAction()); assertEquals(1, curator.getNumTokens()); assertEquals(2, curator.getNumStrokes()); assertEquals(1, curator.getWrittenTokenRecogWinners().size()); assertEquals("=", curator.getWrittenTokenRecogWinners().get(0)); assertEquals(StrokeCuratorUserAction.RemoveToken, curator.getLastUserAction()); assertEquals(1, curator.getTokenUuids().size()); // Redo again and it should throw an exception caughtException = null; try { curator.redoUserAction(); } catch (IllegalStateException e) { caughtException = e; } assertNotNull(caughtException); }
@Test public void testSerializeDeserialize() { CStroke[] strokesToAdd = new CStroke[4]; /* stroke0 and stroke1 constitute "=" */ CStroke stroke0 = new CStroke(); stroke0.addPoint(0.0f, 0.0f); stroke0.addPoint(10.0f, 0.1f); stroke0.addPoint(20.0f, 0.0f); stroke0.addPoint(30.0f, 0.05f); CStroke stroke1 = new CStroke(); stroke1.addPoint(0.0f, 10.0f); stroke1.addPoint(10.0f, 10.95f); stroke1.addPoint(20.0f, 10.0f); stroke1.addPoint(30.0f, 10.02f); /* stroke2 and stroke3 constitute "T". But they need to be merged manually. * But eventually it'll be force-recognized as "+" instead */ CStroke stroke2 = new CStroke(); stroke2.addPoint(40.0f, -10.0f); stroke2.addPoint(50.0f, -10.1f); stroke2.addPoint(60.0f, -10.2f); stroke2.addPoint(70.0f, -10.1f); CStroke stroke3 = new CStroke(); stroke3.addPoint(55.0f, -10.0f); stroke3.addPoint(55.1f, 0.0f); stroke3.addPoint(55.0f, 10.0f); stroke3.addPoint(55.1f, 20.1f); strokesToAdd[0] = stroke0; strokesToAdd[1] = stroke1; strokesToAdd[2] = stroke2; strokesToAdd[3] = stroke3; for (CStroke strokeToAdd : strokesToAdd) { curator.addStroke(strokeToAdd); } /* Merge stroke2 and stroke3 to get "T" */ curator.mergeStrokesAsToken(new int[] {2, 3}); assertEquals(2, curator.getNumTokens()); curator.forceSetRecogWinner(1, "+"); List<String> serializedStrokes = curator.getSerializedStrokes(); assertEquals(strokesToAdd.length, serializedStrokes.size()); for (int i = 0; i < serializedStrokes.size(); ++i) { String serializedStroke = serializedStrokes.get(i); try { CStroke stroke = CStrokeJsonHelper.json2CStroke(serializedStroke); assertEquals(strokesToAdd[i].nPoints(), stroke.nPoints()); } catch (CStrokeJsonHelper.CStrokeJsonConversionException exc) { fail("Failed due to " + exc.getMessage()); } } String serializedTokenSet = curator.getSerializedTokenSet(); assertNotNull(serializedTokenSet); assertFalse(serializedTokenSet.isEmpty()); String serializedWtConstStrokeIndices = curator.getSerializedConstStrokeIndices(); assertNotNull(serializedWtConstStrokeIndices); assertFalse(serializedWtConstStrokeIndices.isEmpty()); String serializedState = curator.getStateSerializationString(); assertNotNull(serializedState); assertFalse(serializedState.isEmpty()); /* Deserializatoin / injection */ curatorPrime.injectSerializedState((new JsonParser()).parse(serializedState).getAsJsonObject()); assertEquals(curator.getNumStrokes(), curatorPrime.getNumStrokes()); assertEquals(curator.getNumTokens(), curatorPrime.getNumTokens()); assertEquals( curator.getWrittenTokenSet().recogWinners.size(), curatorPrime.getWrittenTokenSet().recogWinners.size()); assertEquals( curator.getWrittenTokenSet().recogPs.size(), curatorPrime.getWrittenTokenSet().recogPs.size()); // Check deserialized token UUIDs assertEquals(curator.getTokenUuids().size(), curatorPrime.getTokenUuids().size()); for (int i = 0; i < curator.getTokenUuids().size(); ++i) { assertEquals(curator.getTokenUuid(i), curatorPrime.getTokenUuid(i)); } for (int i = 0; i < curator.getWrittenTokenSet().recogWinners.size(); ++i) { assertEquals( curator.getWrittenTokenRecogWinners().get(i), curatorPrime.getWrittenTokenRecogWinners().get(i)); assertArrayEquals( curator.getWrittenTokenRecogPs().get(i), curatorPrime.getWrittenTokenRecogPs().get(i), 1e-9); } assertEquals( curator.getWrittenTokenConstStrokeIndices().size(), curatorPrime.getWrittenTokenConstStrokeIndices().size()); List<int[]> constStrokeIndices = curator.getWrittenTokenConstStrokeIndices(); List<int[]> primeConstStrokeIndices = curatorPrime.getWrittenTokenConstStrokeIndices(); for (int i = 0; i < constStrokeIndices.size(); ++i) { assertArrayEquals(constStrokeIndices.get(i), primeConstStrokeIndices.get(i)); } }
@Test public void testUnmergeStroke2() { /* Add 1st stroke of "T" */ CStroke stroke0 = new CStroke(0.0f, 0.0f); stroke0.addPoint(10f, 0.0f); stroke0.addPoint(20f, 0.0f); stroke0.addPoint(30f, 0.0f); stroke0.addPoint(40f, 0.0f); curator.addStroke(stroke0); assertEquals(curator.getWrittenTokenRecogWinners().size(), 1); assertEquals(curator.getWrittenTokenRecogWinners().get(0), "-"); assertEquals(1, curator.getTokenUuids().size()); /* Add 2nd stroke of "T" */ CStroke stroke1 = new CStroke(20f, 0f); stroke1.addPoint(20f, 10f); stroke1.addPoint(20f, 20f); stroke1.addPoint(20f, 30f); stroke1.addPoint(20f, 40f); curator.addStroke(stroke1); assertEquals(1, curator.getWrittenTokenRecogWinners().size()); assertEquals("T", curator.getWrittenTokenRecogWinners().get(0)); assertEquals(1, curator.getTokenUuids().size()); /* Add 1st stroke of "=" */ CStroke stroke2 = new CStroke(50.0f, 0.0f); stroke2.addPoint(60f, 0.0f); stroke2.addPoint(70f, 0.0f); stroke2.addPoint(80f, 0.0f); stroke2.addPoint(90f, 0.0f); curator.addStroke(stroke2); assertEquals(2, curator.getWrittenTokenRecogWinners().size()); assertEquals("T", curator.getWrittenTokenRecogWinners().get(0)); assertEquals("-", curator.getWrittenTokenRecogWinners().get(1)); assertEquals(2, curator.getTokenUuids().size()); /* Add 1st stroke of "=" */ CStroke stroke3 = new CStroke(50.0f, 20f); stroke3.addPoint(60f, 20f); stroke3.addPoint(70f, 20f); stroke3.addPoint(80f, 20f); stroke3.addPoint(90f, 20f); curator.addStroke(stroke3); assertEquals(2, curator.getWrittenTokenRecogWinners().size()); assertEquals("T", curator.getWrittenTokenRecogWinners().get(0)); assertEquals("=", curator.getWrittenTokenRecogWinners().get(1)); assertEquals(4, curator.getNumStrokes()); assertEquals(2, curator.getTokenUuids().size()); /* Unmerge the 2nd stroke of "=" */ curator.mergeStrokesAsToken(new int[] {3}); assertEquals(curator.getWrittenTokenRecogWinners().size(), 3); assertEquals(curator.getWrittenTokenRecogWinners().get(0), "T"); assertEquals(curator.getWrittenTokenRecogWinners().get(1), "-"); assertEquals(curator.getWrittenTokenRecogWinners().get(2), "-"); assertEquals(3, curator.getTokenUuids().size()); assertNotEquals(curator.getTokenUuid(0), curator.getTokenUuid(1)); assertNotEquals(curator.getTokenUuid(1), curator.getTokenUuid(2)); assertNotEquals(curator.getTokenUuid(2), curator.getTokenUuid(0)); }