Add Compile Test

tests/compile-test.rs

@@ -0,0 +1,37 @@
+use std::{env, fs};
+use std::process::{Command, Output};
+
+fn run_miri(file: &str, sysroot: &str) -> Output {
+    Command::new("cargo")
+        .args(&["run", "--", "--sysroot", sysroot, file])
+        .output()
+        .unwrap_or_else(|e| panic!("failed to execute process: {}", e))
+}
+
+#[test]
+fn run_pass() {
+    let sysroot = env::var("RUST_SYSROOT").expect("env variable `RUST_SYSROOT` not set");
+
+    let test_files = fs::read_dir("./tests/run-pass/")
+                         .expect("Can't read `run-pass` directory")
+                         .filter_map(|entry| entry.ok())
+                         .filter(|entry| {
+                             entry.clone()
+                                  .file_type()
+                                  .map(|x| x.is_file())
+                                  .unwrap_or(false)
+                         })
+                         .filter_map(|entry| entry.path().to_str().map(|x| x.to_string()));
+
+    for file in test_files {
+        println!("{}: compile test running", file);  
+
+        let test_run = run_miri(&file, &sysroot);
+
+        if test_run.status.code().unwrap_or(-1) != 0 {
+            println!("{}: error {:?}", file, test_run);
+        } else {
+            println!("{}: ok", file);
+        }
+    }
+}