1 files changed, 28 insertions, 0 deletions
diff --git a/tests/rebalance.rs b/tests/rebalance.rs
new file mode 100644
index 0000000..f365e84
--- /dev/null
+++ b/tests/rebalance.rs
@@ -0,0 +1,28 @@
+
+extern crate modelica_parser;
+extern crate modelthing;
+
+use modelthing::modelica_model::SimpleEquationExt;
+use modelica_parser::ast::*;
+
+#[test]
+fn test_rebalance_for() {
+    use modelica_parser::ast::Expr::*;
+
+    // z = a - 1.2345
+    // a = z + 1.2345
+    let done = SimpleEquation{
+        lhs: Ident("z".to_string()),
+        rhs: BinExpr(BinOperator::Subtract,
+            Box::new(Ident("a".to_string())),
+            Box::new(Float(1.2345)))};
+    assert_eq!(done,
+        done.rebalance_for("z".to_string()).unwrap());
+    assert_eq!(SimpleEquation{
+        lhs: Ident("a".to_string()),
+        rhs: BinExpr(BinOperator::Add,
+            Box::new(Ident("z".to_string())),
+            Box::new(Float(1.2345)))},
+        done.rebalance_for("a".to_string()).unwrap());
+
+}