DATACMNS-713 - Disabled total adaption in PageImpl for empty pages.

The newly introduced adaption of the total in PageImpl must only be applied if the page accessed is not empty.

src/main/java/org/springframework/data/domain/PageImpl.java

@@ -41,7 +41,7 @@ public class PageImpl<T> extends Chunk<T> implements Page<T> {
 
 		super(content, pageable);
 
-		this.total = pageable != null && pageable.getOffset() + pageable.getPageSize() > total
+		this.total = !content.isEmpty() && pageable != null && pageable.getOffset() + pageable.getPageSize() > total
 				? pageable.getOffset() + content.size() : total;
 	}
 

src/test/java/org/springframework/data/domain/PageImplUnitTests.java

@@ -160,4 +160,14 @@ public class PageImplUnitTests {
 		assertThat(new PageImpl<String>(Arrays.asList("foo", "bar"), new PageRequest(1, 10), 11).getTotalElements(),
 				is(12L));
 	}
+
+	/**
+	 * @see DATACMNS-713
+	 */
+	@Test
+	public void doesNotAdapttotalIfPageIsEmpty() {
+
+		assertThat(new PageImpl<String>(Collections.<String> emptyList(), new PageRequest(1, 10), 0).getTotalElements(),
+				is(0L));
+	}
 }