Fixed - RListMultimap and RSetMultimap unable to replaceValues with empty collection #4571

redisson/src/main/java/org/redisson/RedissonListMultimap.java

@@ -310,7 +310,9 @@ public class RedissonListMultimap<K, V> extends RedissonMultimap<K, V> implement
                 "redis.call('hset', KEYS[1], ARGV[1], ARGV[2]); " +
                 "local members = redis.call('lrange', KEYS[2], 0, -1); " +
                 "redis.call('del', KEYS[2]); " +
-                "redis.call('rpush', KEYS[2], unpack(ARGV, 3, #ARGV)); " +
+                "if #ARGV > 2 then " +
+                    "redis.call('rpush', KEYS[2], unpack(ARGV, 3, #ARGV)); " +
+                "end; " +
                 "return members; ",
             Arrays.<Object>asList(getRawName(), setName), params.toArray());
     }

redisson/src/main/java/org/redisson/RedissonSetMultimap.java

@@ -309,7 +309,9 @@ public class RedissonSetMultimap<K, V> extends RedissonMultimap<K, V> implements
                 "redis.call('hset', KEYS[1], ARGV[1], ARGV[2]); " +
                 "local members = redis.call('smembers', KEYS[2]); " +
                 "redis.call('del', KEYS[2]); " +
-                "redis.call('sadd', KEYS[2], unpack(ARGV, 3, #ARGV)); " +
+                "if #ARGV > 2 then " +
+                    "redis.call('sadd', KEYS[2], unpack(ARGV, 3, #ARGV)); " +
+                "end; " +
                 "return members; ",
             Arrays.<Object>asList(getRawName(), setName), params.toArray());
     }

redisson/src/test/java/org/redisson/RedissonListMultimapTest.java

@@ -362,6 +362,12 @@ public class RedissonListMultimapTest extends BaseTest {
 
         List<SimpleValue> allValues = map.getAll(new SimpleKey("0"));
         assertThat(allValues).containsExactlyElementsOf(values);
+
+        List<SimpleValue> oldValues2 = map.replaceValues(new SimpleKey("0"), Collections.emptyList());
+        assertThat(oldValues2).containsExactlyElementsOf(values);
+
+        List<SimpleValue> vals = map.getAll(new SimpleKey("0"));
+        assertThat(vals).isEmpty();
     }
 
     @Test

redisson/src/test/java/org/redisson/RedissonSetMultimapTest.java

@@ -429,7 +429,14 @@ public class RedissonSetMultimapTest extends BaseTest {
         assertThat(oldValues).containsOnly(new SimpleValue("1"));
 
         Set<SimpleValue> allValues = map.getAll(new SimpleKey("0"));
-        assertThat(allValues).containsOnlyElementsOf(values);
+        assertThat(allValues).containsExactlyElementsOf(values);
+
+        Set<SimpleValue> oldValues2 = map.replaceValues(new SimpleKey("0"), Collections.emptyList());
+        assertThat(oldValues2).containsExactlyElementsOf(values);
+
+        Set<SimpleValue> vals = map.getAll(new SimpleKey("0"));
+        assertThat(vals).isEmpty();
+
     }
 
     @Test