Initial Dever 0.0.1

test/rust/compiler/uuid.rs

@@ -0,0 +1,37 @@
+use dever::{
+    compiler::{check, model::Program},
+    syntax::{diagnostic::Diagnostic, source::Source},
+};
+
+fn linked(text: &str) -> Result<Program, Diagnostic> {
+    let main = dever::syntax::parse(&Source::new(0, "main.dever", text.into()))?;
+    let library = dever::syntax::parse(&Source::new(
+        1,
+        "uuid.dever",
+        include_str!("../../../lib/uuid.dever").into(),
+    ))?;
+    check::check(vec![main, library], &["main".into(), "uuid".into()])
+}
+
+#[test]
+fn uuids_are_distinct_values_with_typed_nullable_parsing() {
+    assert!(linked("main(value: Uuid) (answer: Int?) pure { values = { value = 42 }\n answer = get(values, value) }").is_ok());
+    for (source, code) in [
+        (
+            "main() (value: Uuid) { value = \"550e8400-e29b-41d4-a716-446655440000\" }",
+            "C005",
+        ),
+        (
+            "main(value: Uuid, other: Id) (answer: Bool) { answer = value == other }",
+            "C005",
+        ),
+        (
+            "main(value: Uuid) (answer: Bool) { answer = value < value }",
+            "C005",
+        ),
+        ("main() () { value = dever.system.uuidParse(\"\") }", "C006"),
+        ("main() (value: Uuid) { value = uuid.parse(\"\") }", "C005"),
+    ] {
+        assert_eq!(linked(source).unwrap_err().code, code, "{source}");
+    }
+}