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-rw-r--r--crates/ra_ide_api/src/call_info.rs22
-rw-r--r--crates/ra_ide_api/src/marks.rs1
2 files changed, 21 insertions, 2 deletions
diff --git a/crates/ra_ide_api/src/call_info.rs b/crates/ra_ide_api/src/call_info.rs
index 3267fff96..f203a6bf1 100644
--- a/crates/ra_ide_api/src/call_info.rs
+++ b/crates/ra_ide_api/src/call_info.rs
@@ -1,3 +1,4 @@
1use test_utils::tested_by;
1use ra_db::SourceDatabase; 2use ra_db::SourceDatabase;
2use ra_syntax::{ 3use ra_syntax::{
3 AstNode, SyntaxNode, TextUnit, TextRange, 4 AstNode, SyntaxNode, TextUnit, TextRange,
@@ -41,7 +42,12 @@ pub(crate) fn call_info(db: &RootDatabase, position: FilePosition) -> Option<Cal
41 // where offset is in that list (or beyond). 42 // where offset is in that list (or beyond).
42 // Revisit this after we get documentation comments in. 43 // Revisit this after we get documentation comments in.
43 if let Some(ref arg_list) = calling_node.arg_list() { 44 if let Some(ref arg_list) = calling_node.arg_list() {
44 let start = arg_list.syntax().range().start(); 45 let arg_list_range = arg_list.syntax().range();
46 if !arg_list_range.contains_inclusive(position.offset) {
47 tested_by!(call_info_bad_offset);
48 return None;
49 }
50 let start = arg_list_range.start();
45 51
46 let range_search = TextRange::from_to(start, position.offset); 52 let range_search = TextRange::from_to(start, position.offset);
47 let mut commas: usize = arg_list 53 let mut commas: usize = arg_list
@@ -172,10 +178,12 @@ fn param_list(node: &ast::FnDef) -> Vec<String> {
172 178
173#[cfg(test)] 179#[cfg(test)]
174mod tests { 180mod tests {
175 use super::*; 181 use test_utils::covers;
176 182
177 use crate::mock_analysis::single_file_with_position; 183 use crate::mock_analysis::single_file_with_position;
178 184
185 use super::*;
186
179 fn call_info(text: &str) -> CallInfo { 187 fn call_info(text: &str) -> CallInfo {
180 let (analysis, position) = single_file_with_position(text); 188 let (analysis, position) = single_file_with_position(text);
181 analysis.call_info(position).unwrap().unwrap() 189 analysis.call_info(position).unwrap().unwrap()
@@ -417,4 +425,14 @@ By default this method stops actor's `Context`."#
417 ); 425 );
418 } 426 }
419 427
428 #[test]
429 fn call_info_bad_offset() {
430 covers!(call_info_bad_offset);
431 let (analysis, position) = single_file_with_position(
432 r#"fn foo(x: u32, y: u32) -> u32 {x + y}
433 fn bar() { foo <|> (3, ); }"#,
434 );
435 let call_info = analysis.call_info(position).unwrap();
436 assert!(call_info.is_none());
437 }
420} 438}
diff --git a/crates/ra_ide_api/src/marks.rs b/crates/ra_ide_api/src/marks.rs
index e33bf6c91..21ce7289d 100644
--- a/crates/ra_ide_api/src/marks.rs
+++ b/crates/ra_ide_api/src/marks.rs
@@ -2,4 +2,5 @@ test_utils::marks!(
2 inserts_parens_for_function_calls 2 inserts_parens_for_function_calls
3 goto_definition_works_for_methods 3 goto_definition_works_for_methods
4 goto_definition_works_for_fields 4 goto_definition_works_for_fields
5 call_info_bad_offset
5); 6);