[bdAstar] Added pgTAP test for issue1733

pgtap/bdAstar/issue1733.sql

@@ -0,0 +1,24 @@
+\i setup.sql
+
+SELECT plan(3);
+
+SELECT is_empty(
+    'SELECT id, source, target, cost, reverse_cost, x1, y1, x2, y2
+    FROM edge_table
+    WHERE source = 100 OR target = 100',
+    'Vertex 100 does not exist in sample data'
+);
+
+PREPARE q1 AS
+SELECT * FROM pgr_bdAstar(
+    'SELECT id, source, target, cost, reverse_cost, x1, y1, x2, y2
+    FROM edge_table',
+    2, 100,
+    true, heuristic := 2
+);
+
+SELECT * FROM lives_ok('q1');
+SELECT * FROM is_empty('q1');
+
+
+SELECT finish();