fix(ast): add tests for blocks

Author: andogq

src/passes/ast_gen.rs

@@ -262,7 +262,7 @@ mod test {
         Ctx::new()
     }
 
-    fn parse<T>(source: &'static str) -> T
+    fn parse<T>(source: &str) -> T
     where
         T: Parse,
     {
@@ -298,4 +298,14 @@ mod test {
         let expression_id = pass.lower_expression(&parse::<cst::Expression>(source));
         assert_debug_snapshot!(name, pass.ast[expression_id], source);
     }
+
+    #[rstest]
+    #[case("expression_statement", "{ 1 }")]
+    #[case("expression_statement_semicolon", "{ 1; }")]
+    fn lower_block(#[case] name: &str, mut ctx: Ctx, #[case] source: &str) {
+        let mut pass = AstGen::new(&mut ctx);
+        let block = parse::<cst::Block>(source);
+        let block_id = pass.lower_block(&block);
+        assert_debug_snapshot!(name, pass.ast[block_id], source);
+    }
 }

src/passes/snapshots/lumina2__passes__ast_gen__test__expression_statement.snap

@@ -0,0 +1,12 @@
+---
+source: src/passes/ast_gen.rs
+expression: "{ 1 }"
+---
+Block {
+    statements: [],
+    expression: Some(
+        ExpressionId(
+            0,
+        ),
+    ),
+}

src/passes/snapshots/lumina2__passes__ast_gen__test__expression_statement_semicolon.snap

@@ -0,0 +1,12 @@
+---
+source: src/passes/ast_gen.rs
+expression: "{ 1; }"
+---
+Block {
+    statements: [
+        StatementId(
+            0,
+        ),
+    ],
+    expression: None,
+}