Automattic / jetpack

		$histogram = $store->checksum_histogram( 'post_meta', 2 );

		// temporary hack due to missing post_meta_checksum implementation in the test replicastore

		if ( 'Jetpack_Sync_Test_Replicastore' != get_class( $store ) ) {

			$this->assertEquals( $store->post_meta_checksum( 1, 2 ), $histogram['1-2'] );

			$this->assertEquals( $store->post_meta_checksum( 5, 10 ), $histogram['5-10'] );

		}

		// test comments checksum with ID range

		$histogram = $store->checksum_histogram( 'comments', 2 );

		$histogram = $store->checksum_histogram( 'comment_meta', 2 );

		// temporary hack due to missing comment_meta_checksum implementation in the test replicastore

		if ( 'Jetpack_Sync_Test_Replicastore' != get_class( $store ) ) {

			$this->assertEquals( $store->comment_meta_checksum( 1, 4 ), $histogram['1-4'] );

			$this->assertEquals( $store->comment_meta_checksum( 7, 10 ), $histogram['7-10'] );

		}

	}

	/**