More tests.

tests/float.rs

@@ -22,7 +22,7 @@ fn test_float() -> Result<(), Box<EvalAltResult>> {
 
 #[test]
 #[cfg(not(feature = "no_object"))]
-fn struct_with_float() -> Result<(), Box<EvalAltResult>> {
+fn test_struct_with_float() -> Result<(), Box<EvalAltResult>> {
     #[derive(Clone)]
     struct TestStruct {
         x: f64,
@@ -64,3 +64,16 @@ fn struct_with_float() -> Result<(), Box<EvalAltResult>> {
 
     Ok(())
 }
+
+#[test]
+fn test_float_func() -> Result<(), Box<EvalAltResult>> {
+    let mut engine = Engine::new();
+
+    engine.register_fn("sum", |x: FLOAT, y: FLOAT, z: FLOAT, w: FLOAT| {
+        x + y + z + w
+    });
+
+    assert_eq!(engine.eval::<FLOAT>("sum(1.0, 2.0, 3.0, 4.0)")?, 10.0);
+
+    Ok(())
+}

tests/modules.rs

@@ -63,6 +63,9 @@ fn test_module_resolver() -> Result<(), Box<EvalAltResult>> {
 
     let mut module = Module::new();
     module.set_var("answer", 42 as INT);
+    module.set_fn_4("sum".to_string(), |x: INT, y: INT, z: INT, w: INT| {
+        Ok(x + y + z + w)
+    });
 
     resolver.insert("hello".to_string(), module);
 
@@ -74,7 +77,7 @@ fn test_module_resolver() -> Result<(), Box<EvalAltResult>> {
             r#"
                 import "hello" as h1;
                 import "hello" as h2;
-                h2::answer
+                h1::sum(h2::answer, -10, 3, 7)
     "#
         )?,
         42