Fix Lettuce and SRP blpop/brpop issues

- DATAREDIS-127 Fix Lettuce NPE on timeout

- DATAREDIS-128 Fix SRP arg array conversion and NPE
on timeout

src/test/java/org/springframework/data/redis/connection/AbstractConnectionIntegrationTests.java

@@ -377,6 +377,30 @@ public abstract class AbstractConnectionIntegrationTests {
 		assertEquals(new String(value), new String((byte[])results.get(1)));
 	}
 
+	@Test
+	public void testBlPopTimeout() {
+		assertNull(connection.bLPop(1, "lclist"));
+	}
+
+	@Test
+	public void testBlPop() {
+		connection.lPush("poplist", "foo");
+		connection.lPush("poplist", "bar");
+		assertEquals(Arrays.asList(new String[] {"poplist", "bar"}), connection.bLPop(1, "poplist", "otherlist"));
+	}
+
+	@Test
+	public void testBRPop() {
+		connection.rPush("rpoplist", "bar");
+		connection.rPush("rpoplist", "foo");
+		assertEquals(Arrays.asList(new String[] {"rpoplist", "foo"}), connection.bRPop(1, "rpoplist"));
+	}
+
+	@Test
+	public void testBRPopTimeout() {
+		assertNull(connection.bRPop(1, "rclist"));
+	}
+
 	private boolean isAsync() {
 		return (getConnectionFactory() instanceof LettuceConnectionFactory) ||
 				(getConnectionFactory() instanceof SrpConnectionFactory);

src/test/java/org/springframework/data/redis/connection/jredis/JRedisConnectionIntegrationTests.java

@@ -97,4 +97,24 @@ public class JRedisConnectionIntegrationTests extends AbstractConnectionIntegrat
 	public void testExecuteNativeWithPipeline() throws Exception {
 		super.testExecuteNativeWithPipeline();
 	}
+
+	@Test(expected = UnsupportedOperationException.class)
+	public void testBlPopTimeout() {
+		super.testBlPopTimeout();
+	}
+
+	@Test(expected = UnsupportedOperationException.class)
+	public void testBlPop() {
+		super.testBlPop();
+	}
+
+	@Test(expected = UnsupportedOperationException.class)
+	public void testBRPop() {
+		super.testBRPop();
+	}
+
+	@Test(expected = UnsupportedOperationException.class)
+	public void testBRPopTimeout() {
+		super.testBRPopTimeout();
+	}
 }