1 files changed, 42 insertions, 0 deletions

diff --git a/crates/libeditor/src/symbols.rs b/crates/libeditor/src/symbols.rs
index 98a35dcdf..28b86c004 100644
--- a/crates/libeditor/src/symbols.rs
+++ b/crates/libeditor/src/symbols.rs
@@ -123,3 +123,45 @@ fn structure_node(node: SyntaxNodeRef) -> Option<StructureNode> {
         })
         .accept(node)?
 }
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+    use test_utils::assert_eq_dbg;
+
+    #[test]
+    fn test_file_structure() {
+        let file = File::parse(r#"
+struct Foo {
+    x: i32
+}
+
+mod m {
+    fn bar() {}
+}
+
+enum E { X, Y(i32) }
+type T = ();
+static S: i32 = 92;
+const C: i32 = 92;
+
+impl E {}
+
+impl fmt::Debug for E {}
+"#);
+        let symbols = file_structure(&file);
+        assert_eq_dbg(
+            r#"[StructureNode { parent: None, label: "Foo", navigation_range: [8; 11), node_range: [1; 26), kind: STRUCT_DEF },
+                StructureNode { parent: Some(0), label: "x", navigation_range: [18; 19), node_range: [18; 24), kind: NAMED_FIELD_DEF },
+                StructureNode { parent: None, label: "m", navigation_range: [32; 33), node_range: [28; 53), kind: MODULE },
+                StructureNode { parent: Some(2), label: "bar", navigation_range: [43; 46), node_range: [40; 51), kind: FN_DEF },
+                StructureNode { parent: None, label: "E", navigation_range: [60; 61), node_range: [55; 75), kind: ENUM_DEF },
+                StructureNode { parent: None, label: "T", navigation_range: [81; 82), node_range: [76; 88), kind: TYPE_DEF },
+                StructureNode { parent: None, label: "S", navigation_range: [96; 97), node_range: [89; 108), kind: STATIC_DEF },
+                StructureNode { parent: None, label: "C", navigation_range: [115; 116), node_range: [109; 127), kind: CONST_DEF },
+                StructureNode { parent: None, label: "impl E", navigation_range: [134; 135), node_range: [129; 138), kind: IMPL_ITEM },
+                StructureNode { parent: None, label: "impl fmt::Debug for E", navigation_range: [160; 161), node_range: [140; 164), kind: IMPL_ITEM }]"#,
+            &symbols,
+        )
+    }
+}