From 14bef1f7b020e37e70a91bbe11b1ab0da3941a57 Mon Sep 17 00:00:00 2001
From: Liam Keegan <liam@keegan.ch>
Date: Tue, 14 Mar 2023 14:02:14 +0100
Subject: [PATCH] change operation from mul to minus to show incorrect results
 for this case

---
 src/sbml/test/TestSBMLTransforms.cpp           | 6 +++---
 src/sbml/test/test-data/multiple-functions.xml | 2 +-
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/src/sbml/test/TestSBMLTransforms.cpp b/src/sbml/test/TestSBMLTransforms.cpp
index 276d276d31..50699da9ae 100644
--- a/src/sbml/test/TestSBMLTransforms.cpp
+++ b/src/sbml/test/TestSBMLTransforms.cpp
@@ -98,9 +98,9 @@ START_TEST (test_SBMLTransforms_replaceFD)
   safe_free(math);
 
   /* https://github.com/sbmlteam/libsbml/issues/299 */
-  /* fd: f_relabelled(p, S1) = p * S1 */
+  /* fd: f_relabelled(p, S1) = p - S1 */
   /* ast: f_relabelled(S1, p) * compartmentOne / t */
-  /* ast after replaceFD: p * S1 * compartmentOne / t */
+  /* ast after replaceFD: (S1 - p) * compartmentOne / t */
   
   // use initial assignment instead of reaction, because the reaction
   // got flagged as having invalid units
@@ -114,7 +114,7 @@ START_TEST (test_SBMLTransforms_replaceFD)
   SBMLTransforms::replaceFD(&ast, fd);
 
   math = SBML_formulaToString(&ast);
-  fail_unless (!strcmp(math, "p * S1 * compartmentOne / t"), NULL);
+  fail_unless (!strcmp(math, "(S1 - p) * compartmentOne / t"), NULL);
   safe_free(math);
 
   /* one function definition - nested */
diff --git a/src/sbml/test/test-data/multiple-functions.xml b/src/sbml/test/test-data/multiple-functions.xml
index 0e0019b61d..db1f13ca69 100644
--- a/src/sbml/test/test-data/multiple-functions.xml
+++ b/src/sbml/test/test-data/multiple-functions.xml
@@ -46,7 +46,7 @@
               <ci> S1 </ci>
             </bvar>
             <apply>
-              <times/>
+              <minus/>
               <ci> p </ci>
               <ci> S1 </ci>
             </apply>