test1980: verify sigv4 normalization query with + and spaces

Ref: #20543
Closes #20548

diff --git a/tests/unit/unit1980.c b/tests/unit/unit1980.c
index 9fa10c538c7edac098e05c538140cf6e42fa012e..aa08c44e6aa82497023a158604442d74c115d27c 100644 (file)
--- a/tests/unit/unit1980.c
+++ b/tests/unit/unit1980.c
@@ -74,6 +74,11 @@ static CURLcode test_unit1980(const char *arg)
       "Param-3=Value3&Param=Value2&%E1%88%B4=Value1",
       "%E1%88%B4=Value1&Param=Value2&Param-3=Value3"
     },
+    {
+      "space-plus",
+      "p3= &p1=+&p2=%20",
+      "p1=%20&p2=%20&p3=%20"
+    },
   };
 
   size_t i;