diff --git a/reid/tests/e2e.rs b/reid/tests/e2e.rs
new file mode 100644
index 0000000..031d217
--- /dev/null
+++ b/reid/tests/e2e.rs
@@ -0,0 +1,74 @@
+use reid::{
+    compile_module,
+    mir::{self},
+    perform_all_passes,
+};
+use util::assert_err;
+
+mod util;
+
+pub static ARRAY: &str = include_str!("../../reid_src/array.reid");
+pub static FIBONACCI: &str = include_str!("../../reid_src/fibonacci.reid");
+pub static HELLO_WORLD: &str = include_str!("../../reid_src/hello_world.reid");
+pub static MUTABLE: &str = include_str!("../../reid_src/mutable.reid");
+pub static STRINGS: &str = include_str!("../../reid_src/strings.reid");
+
+#[test]
+fn array_compiles_well() {
+    let module = assert_err(compile_module(ARRAY, "array".to_owned(), None, true));
+
+    assert_err(perform_all_passes(&mut mir::Context {
+        modules: vec![module],
+        base: Default::default(),
+    }));
+}
+
+#[test]
+fn fibonacci_compiles_well() {
+    let module = assert_err(compile_module(
+        FIBONACCI,
+        "fibonacci".to_owned(),
+        None,
+        true,
+    ));
+
+    assert_err(perform_all_passes(&mut mir::Context {
+        modules: vec![module],
+        base: Default::default(),
+    }));
+}
+
+#[test]
+fn hello_world_compiles_well() {
+    let module = assert_err(compile_module(
+        HELLO_WORLD,
+        "hello_world".to_owned(),
+        None,
+        true,
+    ));
+
+    assert_err(perform_all_passes(&mut mir::Context {
+        modules: vec![module],
+        base: Default::default(),
+    }));
+}
+
+#[test]
+fn mutable_compiles_well() {
+    let module = assert_err(compile_module(MUTABLE, "mutable".to_owned(), None, true));
+
+    assert_err(perform_all_passes(&mut mir::Context {
+        modules: vec![module],
+        base: Default::default(),
+    }));
+}
+
+#[test]
+fn strings_compiles_well() {
+    let module = assert_err(compile_module(STRINGS, "strings".to_owned(), None, true));
+
+    assert_err(perform_all_passes(&mut mir::Context {
+        modules: vec![module],
+        base: Default::default(),
+    }));
+}
diff --git a/reid/tests/stdlib.rs b/reid/tests/stdlib.rs
index 9a5f457..95afc7a 100644
--- a/reid/tests/stdlib.rs
+++ b/reid/tests/stdlib.rs
@@ -2,6 +2,9 @@ use reid::{
     mir::{self, linker::compile_std},
     perform_all_passes,
 };
+use util::assert_err;
+
+mod util;
 
 #[test]
 fn compiles() {
@@ -20,10 +23,3 @@ fn passes_all_passes() {
         base: Default::default(),
     }));
 }
-
-fn assert_err<T, U: std::fmt::Debug>(value: Result<T, U>) {
-    match value {
-        Ok(_) => {}
-        Err(err) => assert!(false, "{:?}", err),
-    }
-}
diff --git a/reid/tests/util.rs b/reid/tests/util.rs
new file mode 100644
index 0000000..1548785
--- /dev/null
+++ b/reid/tests/util.rs
@@ -0,0 +1,9 @@
+pub fn assert_err<T, U: std::fmt::Debug>(value: Result<T, U>) -> T {
+    match value {
+        Ok(val) => val,
+        Err(err) => {
+            assert!(false, "{:?}", err);
+            panic!("after assert!");
+        }
+    }
+}