diff --git a/src/lib.rs b/src/lib.rs
index 81506ab..65a3fe2 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -1,4 +1,6 @@
 mod safe;
+pub mod macros;
+
 use safe::ffi;
 use cxx::UniquePtr;
 
diff --git a/src/macros.rs b/src/macros.rs
new file mode 100644
index 0000000..616452a
--- /dev/null
+++ b/src/macros.rs
@@ -0,0 +1,18 @@
+#[macro_export]
+macro_rules! layout {
+    ($a:expr, $b:expr, $c:expr, $d:expr) => {
+        do_layout($a, $b, $c, $d)
+    };
+
+    ($a:expr, $b:expr, $c:expr) => {
+        do_layout($a, $b, $c, Direction::LTR)
+    };
+
+    ($a:expr, $b:expr) => {
+        do_layout($a, $b, std::f64::NAN, Direction::LTR)
+    };
+
+    ($a:expr) => {
+        do_layout($a, std::f64::NAN, std::f64::NAN, Direction::LTR)
+    };
+}
\ No newline at end of file
diff --git a/tests/taitank_flex_test.rs b/tests/taitank_flex_test.rs
index fa9bb7c..5d4b7da 100644
--- a/tests/taitank_flex_test.rs
+++ b/tests/taitank_flex_test.rs
@@ -9,7 +9,7 @@ mod tests {
         set_width(&node, 100.0);
         set_height(&node, 100.0);
         set_direction(&node, Direction::LTR);
-        do_layout(&node, std::f64::NAN, std::f64::NAN, Direction::LTR);
+        layout!(&node);
 
         assert_eq!(get_left(&node), 0.0);
         assert_eq!(get_top(&node), 0.0);
@@ -47,7 +47,7 @@ mod tests {
             assert_eq!(100.0, get_width(&root_child1));
             assert_eq!(25.0, get_height(&root_child1));
 
-            do_layout(&root, std::f64::NAN, std::f64::NAN, Direction::LTR);
+            layout!(&root);
 
             assert_eq!(0.0, get_left(&root));
             assert_eq!(0.0, get_top(&root));
@@ -80,7 +80,7 @@ mod tests {
         let root_child1 = node_create();
         set_flex_grow(&root_child1, 1.0);
         insert_child(&root, &root_child1, 1);
-        do_layout(&root, std::f64::NAN, std::f64::NAN, Direction::LTR);
+        layout!(&root);
 
         assert_eq!(0.0, get_left(&root));
         assert_eq!(0.0, get_top(&root));
@@ -131,7 +131,7 @@ mod tests {
         set_flex_basis(&root_child1, 50.0);
         insert_child(&root, &root_child1, 1);
 
-        do_layout(&root, std::f64::NAN, std::f64::NAN, Direction::LTR);
+        layout!(&root);
 
         assert_eq!(0.0, get_left(&root));
         assert_eq!(0.0, get_top(&root));
@@ -182,7 +182,7 @@ mod tests {
         set_flex_basis(&root_child1, 50.0);
         insert_child(&root, &root_child1, 1);
 
-        do_layout(&root, std::f64::NAN, std::f64::NAN, Direction::LTR);
+        layout!(&root);
 
         assert_eq!(0.0, get_left(&root));
         assert_eq!(0.0, get_top(&root));
@@ -239,7 +239,7 @@ mod tests {
         set_height(&root_child2, 50.0);
         insert_child(&root, &root_child2, 2);
 
-        do_layout(&root, std::f64::NAN, std::f64::NAN, Direction::LTR);
+        layout!(&root);
 
         assert_eq!(0.0, get_left(&root));
         assert_eq!(0.0, get_top(&root));
@@ -307,7 +307,7 @@ mod tests {
         set_height(&root_child2, 10.0);
         insert_child(&root, &root_child2, 2);
 
-        do_layout(&root, std::f64::NAN, std::f64::NAN, Direction::LTR);
+        layout!(&root);
 
         assert_eq!(0.0, get_left(&root));
         assert_eq!(0.0, get_top(&root));
@@ -366,7 +366,7 @@ mod tests {
         set_flex_shrink(&root_child0_child0, 1.0);
         insert_child(&root_child0, &root_child0_child0, 0);
 
-        do_layout(&root, std::f64::NAN, std::f64::NAN, Direction::LTR);
+        layout!(&root);
 
         assert_eq!(0.0, get_left(&root));
         assert_eq!(0.0, get_top(&root));
@@ -420,7 +420,7 @@ mod tests {
         set_flex_grow(&root_child2, 0.4);
         insert_child(&root, &root_child2, 2);
 
-        do_layout(&root, std::f64::NAN, std::f64::NAN, Direction::LTR);
+        layout!(&root);
 
         assert_eq!(0.0, get_left(&root));
         assert_eq!(0.0, get_top(&root));