browser-rs: revive test_runner

Author: d0iasm

app/saji/tests/saji.rs

@@ -17,6 +17,31 @@ use saji::ast::{JsParser, Node};
 use saji::runtime::{JsRuntime, RuntimeValue};
 use saji::token::JsLexer;
 
+#[cfg(test)]
+pub trait Testable {
+    fn run(&self) -> ();
+}
+
+#[cfg(test)]
+impl<T> Testable for T
+where
+    T: Fn(),
+{
+    fn run(&self) {
+        print!("{} ...\t", core::any::type_name::<T>());
+        self();
+        println!("[ok]");
+    }
+}
+
+#[cfg(test)]
+pub fn test_runner(tests: &[&dyn Testable]) {
+    println!("Running {} tests in saji.rs", tests.len());
+    for test in tests {
+        test.run();
+    }
+}
+
 #[macro_export]
 macro_rules! run_test {
     ($input:expr, $expected_global_variables:expr) => {