add PartialEq derive, add framebuffer test

src/framebuffer.rs

@@ -2,7 +2,7 @@ use core::ptr;
 use core::slice;
 use header::Tag;
 
-#[derive(Debug)]
+#[derive(Debug, PartialEq)]
 pub struct FramebufferTag<'a> {
     pub address: u64,
     pub pitch: u32,
@@ -12,7 +12,7 @@ pub struct FramebufferTag<'a> {
     pub buffer_type: FramebufferType<'a>
 }
 
-#[derive(Debug)]
+#[derive(Debug, PartialEq)]
 pub enum FramebufferType<'a> {
     Indexed {
         palette: &'a [FramebufferColor]   
@@ -25,13 +25,13 @@ pub enum FramebufferType<'a> {
     Text
 }
 
-#[derive(Debug)]
+#[derive(Debug, PartialEq)]
 pub struct FramebufferField {
     position: u8,
     size: u8
 }
 
-#[derive(Debug)]
+#[derive(Debug, PartialEq)]
 #[repr(C, packed)]
 pub struct FramebufferColor {
     red: u8,

src/lib.rs

@@ -161,6 +161,7 @@ impl fmt::Debug for BootInformation {
 mod tests {
     use super::load;
     use super::{ElfSectionFlags, ElfSectionType};
+    use super::FramebufferType;
 
     #[test]
     fn no_tags() {
@@ -596,5 +597,14 @@ mod tests {
         assert!(bi.module_tags().next().is_none());
         assert_eq!("GRUB 2.02~beta3-5", bi.boot_loader_name_tag().unwrap().name());
         assert_eq!("", bi.command_line_tag().unwrap().command_line());
+
+        //Test the Framebuffer tag
+        let fbi = bi.framebuffer_tag().unwrap();
+        assert_eq!(fbi.address, 753664);
+        assert_eq!(fbi.pitch, 160);
+        assert_eq!(fbi.width, 80);
+        assert_eq!(fbi.height, 25);
+        assert_eq!(fbi.bpp, 16);
+        assert_eq!(fbi.buffer_type, FramebufferType::Text);
     }
 }