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-rw-r--r--tests/headless.rs16
1 files changed, 16 insertions, 0 deletions
diff --git a/tests/headless.rs b/tests/headless.rs
index b9ae598..ffc74b3 100644
--- a/tests/headless.rs
+++ b/tests/headless.rs
@@ -1,7 +1,14 @@
#![feature(phase)]
#![feature(tuple_indexing)]
+#[phase(plugin)]
+extern crate gl_generator;
extern crate glutin;
+extern crate libc;
+
+mod gl {
+ generate_gl_bindings!("gl", "core", "1.1", "struct")
+}
#[cfg(feature = "headless")]
#[test]
@@ -10,4 +17,13 @@ fn main() {
unsafe { window.make_current() };
+ let gl = gl::Gl::load_with(|symbol| window.get_proc_address(symbol));
+
+ gl.ClearColor(0.0, 1.0, 0.0, 1.0);
+ gl.Clear(gl::COLOR_BUFFER_BIT);
+
+ let mut value: (u8, u8, u8, u8) = unsafe { std::mem::uninitialized() };
+ unsafe { gl.ReadPixels(0, 0, 1, 1, gl::RGBA, gl::UNSIGNED_BYTE, std::mem::transmute(&mut value)) };
+
+ assert_eq!(value, (0, 255, 0, 255));
}