From 9e8fceb62721997ca62abfed6080e917bb429eee Mon Sep 17 00:00:00 2001
From: Ralph Ronnquist <ralph.ronnquist@gmail.com>
Date: Mon, 11 Jul 2022 00:43:04 +1000
Subject: [PATCH] expanded tests

---
 tests/relationtests.c | 46 +++++++++++++++++++++++++++++++++----------
 1 file changed, 36 insertions(+), 10 deletions(-)

diff --git a/tests/relationtests.c b/tests/relationtests.c
index 127e23a..15c23f2 100644
--- a/tests/relationtests.c
+++ b/tests/relationtests.c
@@ -32,6 +32,14 @@ static void query_report(relation *r,tuple *query) {
     }
 }
 
+static void query_report_all(relation *r,tuple *query[]) {
+    int j;
+    for ( j = 0; query[j]; j++ ) {
+	fprintf( stderr, "query %s\n", tuple2string( r, query[j] ) );
+	query_report( r, query[j] );
+    }
+}
+
 // Report any knocked out tuples from relation_add or relation_delete
 // This will also clear and free the result vector.
 static void knockout_report(relation *r,vector *v) {
@@ -65,6 +73,8 @@ static void test_relation_delete(relation *r,tuple *query[]) {
 }
 
 int main(int argc,char **argv) {
+
+    // AxB
     tuple *data2[] = {
 	TUPLE( "a", "b" ),
 	TUPLE( "a", "c" ),
@@ -77,23 +87,39 @@ int main(int argc,char **argv) {
 	TUPLE( 0, "d" ),
 	0
     };
-    int j;
-    // AxB
     relation rel2 = RELATION( &stringitem, &stringitem );
+
     test_relation_add( &rel2, data2 );
     query_report( &rel2, 0 );
-    for ( j = 0; query2[j]; j++ ) {
-	fprintf( stderr, "query %s\n", tuple2string( &rel2, query2[j] ) );
-	query_report( &rel2, query2[j] );
-    }
+    query_report_all( &rel2, query2 );
     test_relation_delete( &rel2, query2 );
     
     // AxBxC
+    tuple *data3[] = {
+	TUPLE( "a", "b", "c" ), // <a,b,?> <a,?,c> ***
+	TUPLE( "a", "c", "d" ), // <a,c,?> <a,?,d> ***
+	TUPLE( "a", "b", "e" ), // <a,b,?> <a,?,e> => -<a,b,c>
+	TUPLE( "b", "d", "d" ), // <b,d,?> <b,?,d>
+	TUPLE( "a", "d", "d" ), // <a,d,?> <a,?,d> => -<a,c,d>
+	TUPLE( "e", "c", "a" ), // <e,c,?> <e,?,a>
+	TUPLE( "f", "b", "d" ), // <f,b,?> <f,?,c>
+	0
+    };
+    tuple *query3[] = {
+	TUPLE( "a", 0, "d" ),
+	TUPLE( 0, 0, "d" ),
+	TUPLE( 0, "c", 0 ),
+	TUPLE( "f", "b", "d" ),
+	0
+    };
     relation rel3 = RELATION( &stringitem, &stringitem, &stringitem );
-    // AxB -> C
-    relation_add_constraint( &rel3, 1, 1, 0 );
-    // AxC -> B
-    relation_add_constraint( &rel3, 1, 0, 1 );
+    relation_add_constraint( &rel3, 1, 1, 0 ); // AxB -> C
+    relation_add_constraint( &rel3, 1, 0, 1 ); // AxC -> B
+
+    test_relation_add( &rel3, data3 );
+    query_report( &rel3, 0 );
+    query_report_all( &rel3, query3 );
+    test_relation_delete( &rel3, query3 );
 
     return 0;
 }
-- 
2.39.2