diff --git a/spring-data-geode-test/src/main/java/org/springframework/data/gemfire/tests/mock/GemFireMockObjectsSupport.java b/spring-data-geode-test/src/main/java/org/springframework/data/gemfire/tests/mock/GemFireMockObjectsSupport.java
index 53a216b..ae89a14 100644
--- a/spring-data-geode-test/src/main/java/org/springframework/data/gemfire/tests/mock/GemFireMockObjectsSupport.java
+++ b/spring-data-geode-test/src/main/java/org/springframework/data/gemfire/tests/mock/GemFireMockObjectsSupport.java
@@ -2751,6 +2751,18 @@ public abstract class GemFireMockObjectsSupport extends MockObjectsSupport {
 
 		}).when(mockRegion).put(any(), any());
 
+		// Map.putAll(:Map<K, V>) / Region.putAll(:Map<K, V>)
+		doAnswer(invocation -> {
+
+			Map<K, V> map = invocation.getArgument(0);
+
+			CollectionUtils.nullSafeMap(map).entrySet()
+				.forEach(entry -> mockRegion.put(entry.getKey(), entry.getValue()));
+
+			return null;
+
+		}).when(mockRegion).putAll(any(Map.class));
+
 		// Region.remove(key)
 		when(mockRegion.remove(any())).thenAnswer(invocation -> {
 
diff --git a/spring-data-geode-test/src/test/java/org/springframework/data/gemfire/tests/MockRegionDataAccessOperationsAndEventsUnitTests.java b/spring-data-geode-test/src/test/java/org/springframework/data/gemfire/tests/MockRegionDataAccessOperationsAndEventsUnitTests.java
index 7227875..e719ae3 100644
--- a/spring-data-geode-test/src/test/java/org/springframework/data/gemfire/tests/MockRegionDataAccessOperationsAndEventsUnitTests.java
+++ b/spring-data-geode-test/src/test/java/org/springframework/data/gemfire/tests/MockRegionDataAccessOperationsAndEventsUnitTests.java
@@ -707,4 +707,23 @@ public class MockRegionDataAccessOperationsAndEventsUnitTests {
 
 		verify(this.mockRegion, times(1)).invalidate(eq(1));
 	}
+
+	@Test
+	public void mapRegionPutAllIsCorrect() {
+
+		Map<Object, Object> map = MapBuilder.newMapBuilder()
+			.put(1, "TEST")
+			.put(2, "MOCK")
+			.build();
+
+		assertThat(this.mockRegion).isEmpty();
+
+		this.mockRegion.putAll(map);
+
+		assertThat(this.mockRegion).hasSize(map.size());
+		assertThat(this.mockRegion.getAll(map.keySet())).isEqualTo(map);
+
+		verify(this.mockRegion, times(1)).put(eq(1), eq("TEST"));
+		verify(this.mockRegion, times(1)).put(eq(2), eq("MOCK"));
+	}
 }