5 files changed, 81 insertions, 79 deletions

diff --git a/crates/ra_ide/src/lib.rs b/crates/ra_ide/src/lib.rs
index 013b960c1..5fb111a90 100644
--- a/crates/ra_ide/src/lib.rs
+++ b/crates/ra_ide/src/lib.rs
@@ -479,3 +479,77 @@ fn analysis_is_send() {
     fn is_send<T: Send>() {}
     is_send::<Analysis>();
 }
+
+#[cfg(test)]
+mod tests {
+    use crate::{display::NavigationTarget, mock_analysis::single_file, Query};
+    use ra_syntax::{
+        SmolStr,
+        SyntaxKind::{FN_DEF, STRUCT_DEF},
+    };
+
+    #[test]
+    fn test_world_symbols_with_no_container() {
+        let code = r#"
+    enum FooInner { }
+    "#;
+
+        let mut symbols = get_symbols_matching(code, "FooInner");
+
+        let s = symbols.pop().unwrap();
+
+        assert_eq!(s.name(), "FooInner");
+        assert!(s.container_name().is_none());
+    }
+
+    #[test]
+    fn test_world_symbols_include_container_name() {
+        let code = r#"
+fn foo() {
+    enum FooInner { }
+}
+    "#;
+
+        let mut symbols = get_symbols_matching(code, "FooInner");
+
+        let s = symbols.pop().unwrap();
+
+        assert_eq!(s.name(), "FooInner");
+        assert_eq!(s.container_name(), Some(&SmolStr::new("foo")));
+
+        let code = r#"
+mod foo {
+    struct FooInner;
+}
+    "#;
+
+        let mut symbols = get_symbols_matching(code, "FooInner");
+
+        let s = symbols.pop().unwrap();
+
+        assert_eq!(s.name(), "FooInner");
+        assert_eq!(s.container_name(), Some(&SmolStr::new("foo")));
+    }
+
+    #[test]
+    fn test_world_symbols_are_case_sensitive() {
+        let code = r#"
+fn foo() {}
+
+struct Foo;
+        "#;
+
+        let symbols = get_symbols_matching(code, "Foo");
+
+        let fn_match = symbols.iter().find(|s| s.name() == "foo").map(|s| s.kind());
+        let struct_match = symbols.iter().find(|s| s.name() == "Foo").map(|s| s.kind());
+
+        assert_eq!(fn_match, Some(FN_DEF));
+        assert_eq!(struct_match, Some(STRUCT_DEF));
+    }
+
+    fn get_symbols_matching(text: &str, query: &str) -> Vec<NavigationTarget> {
+        let (analysis, _) = single_file(text);
+        analysis.symbol_search(Query::new(query.into())).unwrap()
+    }
+}
diff --git a/crates/ra_ide_db/src/lib.rs b/crates/ra_ide_db/src/lib.rs
index d04c59a4a..e922d1e5f 100644
--- a/crates/ra_ide_db/src/lib.rs
+++ b/crates/ra_ide_db/src/lib.rs
@@ -1,4 +1,6 @@
-//! FIXME: write short doc here
+//! This crate defines the core datastructure representing IDE state -- `RootDatabase`.
+//!
+//! It is mainly a `HirDatabase` for semantic analysis, plus a `SymbolsDatabase`, for fuzzy search.
 
 pub mod line_index;
 pub mod line_index_utils;
diff --git a/crates/ra_ide_db/src/line_index.rs b/crates/ra_ide_db/src/line_index.rs
index 6f99ca3a7..452c87ac5 100644
--- a/crates/ra_ide_db/src/line_index.rs
+++ b/crates/ra_ide_db/src/line_index.rs
@@ -1,4 +1,5 @@
-//! FIXME: write short doc here
+//! `LineIndex` maps flat `TextUnit` offsets into `(Line, Column)`
+//! representation.
 
 use ra_syntax::TextUnit;
 use rustc_hash::FxHashMap;
diff --git a/crates/ra_ide_db/src/line_index_utils.rs b/crates/ra_ide_db/src/line_index_utils.rs
index daf9d8ab9..effbef11d 100644
--- a/crates/ra_ide_db/src/line_index_utils.rs
+++ b/crates/ra_ide_db/src/line_index_utils.rs
@@ -18,7 +18,7 @@ struct LineIndexStepIter<'a> {
     utf16_chars: Option<(TextUnit, std::slice::Iter<'a, Utf16Char>)>,
 }
 
-impl<'a> LineIndexStepIter<'a> {
+impl LineIndexStepIter<'_> {
     fn from(line_index: &LineIndex) -> LineIndexStepIter {
         let mut x = LineIndexStepIter { line_index, next_newline_idx: 0, utf16_chars: None };
         // skip first newline since it's not real
@@ -27,7 +27,7 @@ impl<'a> LineIndexStepIter<'a> {
     }
 }
 
-impl<'a> Iterator for LineIndexStepIter<'a> {
+impl Iterator for LineIndexStepIter<'_> {
     type Item = Step;
     fn next(&mut self) -> Option<Step> {
         self.utf16_chars
diff --git a/crates/ra_ide_db/src/symbol_index.rs b/crates/ra_ide_db/src/symbol_index.rs
index 436b4497f..ddad03633 100644
--- a/crates/ra_ide_db/src/symbol_index.rs
+++ b/crates/ra_ide_db/src/symbol_index.rs
@@ -369,78 +369,3 @@ fn to_file_symbol(node: &SyntaxNode, file_id: FileId) -> Option<FileSymbol> {
         container_name: None,
     })
 }
-
-// TODO: fix this
-#[cfg(never)]
-mod tests {
-    use crate::{display::NavigationTarget, mock_analysis::single_file, Query};
-    use ra_syntax::{
-        SmolStr,
-        SyntaxKind::{FN_DEF, STRUCT_DEF},
-    };
-
-    #[test]
-    fn test_world_symbols_with_no_container() {
-        let code = r#"
-    enum FooInner { }
-    "#;
-
-        let mut symbols = get_symbols_matching(code, "FooInner");
-
-        let s = symbols.pop().unwrap();
-
-        assert_eq!(s.name(), "FooInner");
-        assert!(s.container_name().is_none());
-    }
-
-    #[test]
-    fn test_world_symbols_include_container_name() {
-        let code = r#"
-fn foo() {
-    enum FooInner { }
-}
-    "#;
-
-        let mut symbols = get_symbols_matching(code, "FooInner");
-
-        let s = symbols.pop().unwrap();
-
-        assert_eq!(s.name(), "FooInner");
-        assert_eq!(s.container_name(), Some(&SmolStr::new("foo")));
-
-        let code = r#"
-mod foo {
-    struct FooInner;
-}
-    "#;
-
-        let mut symbols = get_symbols_matching(code, "FooInner");
-
-        let s = symbols.pop().unwrap();
-
-        assert_eq!(s.name(), "FooInner");
-        assert_eq!(s.container_name(), Some(&SmolStr::new("foo")));
-    }
-
-    #[test]
-    fn test_world_symbols_are_case_sensitive() {
-        let code = r#"
-fn foo() {}
-
-struct Foo;
-        "#;
-
-        let symbols = get_symbols_matching(code, "Foo");
-
-        let fn_match = symbols.iter().find(|s| s.name() == "foo").map(|s| s.kind());
-        let struct_match = symbols.iter().find(|s| s.name() == "Foo").map(|s| s.kind());
-
-        assert_eq!(fn_match, Some(FN_DEF));
-        assert_eq!(struct_match, Some(STRUCT_DEF));
-    }
-
-    fn get_symbols_matching(text: &str, query: &str) -> Vec<NavigationTarget> {
-        let (analysis, _) = single_file(text);
-        analysis.symbol_search(Query::new(query.into())).unwrap()
-    }
-}