4 files changed, 16 insertions, 0 deletions
diff --git a/src/api/android/mod.rs b/src/api/android/mod.rs
index 3dcea90..f42caeb 100644
--- a/src/api/android/mod.rs
+++ b/src/api/android/mod.rs
@@ -120,6 +120,10 @@ impl Window {
     {
         use std::{mem, ptr};
 
+        // not implemented
+        assert!(win_attribs.min_dimensions.is_none());
+        assert!(win_attribs.max_dimensions.is_none());
+
         let opengl = opengl.clone().map_sharing(|w| &w.context);
 
         let native_window = unsafe { android_glue::get_native_window() };
diff --git a/src/api/cocoa/mod.rs b/src/api/cocoa/mod.rs
index c1b22c9..b7e0239 100644
--- a/src/api/cocoa/mod.rs
+++ b/src/api/cocoa/mod.rs
@@ -268,6 +268,10 @@ impl Window {
             unimplemented!()
         }
 
+        // not implemented
+        assert!(win_attribs.min_dimensions.is_none());
+        assert!(win_attribs.max_dimensions.is_none());
+
         match opengl.robustness {
             Robustness::RobustNoResetNotification | Robustness::RobustLoseContextOnReset => {
                 return Err(CreationError::RobustnessNotSupported);
diff --git a/src/api/wayland/mod.rs b/src/api/wayland/mod.rs
index 2877713..8084516 100644
--- a/src/api/wayland/mod.rs
+++ b/src/api/wayland/mod.rs
@@ -257,6 +257,10 @@ impl Window {
     {
         use self::wayland::internals::FFI;
 
+        // not implemented
+        assert!(win_attribs.min_dimensions.is_none());
+        assert!(win_attribs.max_dimensions.is_none());
+
         let wayland_context = match *WAYLAND_CONTEXT {
             Some(ref c) => c,
             None => return Err(CreationError::NotSupported),
diff --git a/src/api/x11/window.rs b/src/api/x11/window.rs
index b964fed..4d2dfb2 100644
--- a/src/api/x11/window.rs
+++ b/src/api/x11/window.rs
@@ -304,6 +304,10 @@ impl Window {
     {
         let dimensions = window_attrs.dimensions.unwrap_or((800, 600));
 
+        // not implemented
+        assert!(win_attribs.min_dimensions.is_none());
+        assert!(win_attribs.max_dimensions.is_none());
+
         let screen_id = match window_attrs.monitor {
             Some(PlatformMonitorId::X(MonitorId(_, monitor))) => monitor as i32,
             _ => unsafe { (display.xlib.XDefaultScreen)(display.display) },