Improve test

Author: Girgias

ext/pgsql/tests/pg_fetch_object_with_abstract_class.phpt

@@ -24,22 +24,23 @@ pg_query($db, "CREATE TABLE {$table_name} (a integer, b text)");
 pg_query($db, "INSERT INTO {$table_name} VALUES(0, 'ABC')");
 
 $sql = "SELECT * FROM $table_name WHERE a = 0";
-$result = pg_query($db, $sql) or die('Cannot query db');
-var_dump(pg_num_rows($result));
 
 try {
+	$result = pg_query($db, $sql);
 	var_dump(pg_fetch_object($result, NULL, 'I'));
 } catch(Throwable $e) {
 	echo $e::class, ': ', $e->getMessage(), PHP_EOL;
 }
 
 try {
+	$result = pg_query($db, $sql);
 	var_dump(pg_fetch_object($result, NULL, 'C'));
 } catch(Throwable $e) {
 	echo $e::class, ': ', $e->getMessage(), PHP_EOL;
 }
 
 try {
+	$result = pg_query($db, $sql);
 	var_dump(pg_fetch_object($result, NULL, 'E'));
 } catch(Throwable $e) {
 	echo $e::class, ': ', $e->getMessage(), PHP_EOL;
@@ -52,4 +53,6 @@ $db = pg_connect($conn_str);
 pg_query($db, "DROP TABLE IF EXISTS pg_fetch_object_abstract_class cascade");
 ?>
 --EXPECT--
-int(1)
+Error: Cannot instantiate interface I
+Error: Cannot instantiate abstract class C
+Error: Cannot instantiate enum E