From 50e955c6a7c274de154bff3844fd6d82b6033290 Mon Sep 17 00:00:00 2001
From: Berkus Decker <berkus+github@metta.systems>
Date: Wed, 2 Dec 2020 01:06:01 +0200
Subject: [PATCH] Print test names in test_runner

Based on os.phil-opp.com Testing chapter.
---
 nucleus/src/tests.rs | 22 ++++++++++++++++++----
 1 file changed, 18 insertions(+), 4 deletions(-)

diff --git a/nucleus/src/tests.rs b/nucleus/src/tests.rs
index 58fe785..7fe9835 100644
--- a/nucleus/src/tests.rs
+++ b/nucleus/src/tests.rs
@@ -5,14 +5,28 @@
 //============================================================================
 // Testing environment
 //============================================================================
-use crate::{println, qemu};
+use crate::{print, println, qemu};
+
+pub trait TestFn {
+    fn run(&self) -> ();
+}
+
+impl<T> TestFn for T
+where
+    T: Fn(),
+{
+    fn run(&self) {
+        print!("*TEST* {}...\t", core::any::type_name::<T>());
+        self();
+        println!("[ok]\n");
+    }
+}
 
 #[cfg(test)]
-pub fn test_runner(tests: &[&dyn Fn()]) {
+pub fn test_runner(tests: &[&dyn TestFn]) {
     println!("Running {} tests", tests.len());
     for test in tests {
-        test();
-        println!("\n[ok]\n");
+        test.run();
     }
     println!("\n[success]\n");
     qemu::semihosting::exit_success();