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-rw-r--r--crates/assists/src/handlers/invert_if.rs9
-rw-r--r--crates/assists/src/utils.rs4
2 files changed, 13 insertions, 0 deletions
diff --git a/crates/assists/src/handlers/invert_if.rs b/crates/assists/src/handlers/invert_if.rs
index ea722b91b..91e2f5c8c 100644
--- a/crates/assists/src/handlers/invert_if.rs
+++ b/crates/assists/src/handlers/invert_if.rs
@@ -69,6 +69,15 @@ mod tests {
69 use crate::tests::{check_assist, check_assist_not_applicable}; 69 use crate::tests::{check_assist, check_assist_not_applicable};
70 70
71 #[test] 71 #[test]
72 fn invert_if_composite_condition() {
73 check_assist(
74 invert_if,
75 "fn f() { i<|>f x == 3 || x == 4 || x == 5 { 1 } else { 3 * 2 } }",
76 "fn f() { if !(x == 3 || x == 4 || x == 5) { 3 * 2 } else { 1 } }",
77 )
78 }
79
80 #[test]
72 fn invert_if_remove_inequality() { 81 fn invert_if_remove_inequality() {
73 check_assist( 82 check_assist(
74 invert_if, 83 invert_if,
diff --git a/crates/assists/src/utils.rs b/crates/assists/src/utils.rs
index 01f5c291f..f2cacf7c8 100644
--- a/crates/assists/src/utils.rs
+++ b/crates/assists/src/utils.rs
@@ -212,6 +212,10 @@ fn invert_special_case(expr: &ast::Expr) -> Option<ast::Expr> {
212 ast::Expr::BinExpr(bin) => match bin.op_kind()? { 212 ast::Expr::BinExpr(bin) => match bin.op_kind()? {
213 ast::BinOp::NegatedEqualityTest => bin.replace_op(T![==]).map(|it| it.into()), 213 ast::BinOp::NegatedEqualityTest => bin.replace_op(T![==]).map(|it| it.into()),
214 ast::BinOp::EqualityTest => bin.replace_op(T![!=]).map(|it| it.into()), 214 ast::BinOp::EqualityTest => bin.replace_op(T![!=]).map(|it| it.into()),
215 // Parenthesize composite boolean expressions before prefixing `!`
216 ast::BinOp::BooleanAnd | ast::BinOp::BooleanOr => {
217 Some(make::expr_prefix(T![!], make::expr_paren(expr.clone())))
218 }
215 _ => None, 219 _ => None,
216 }, 220 },
217 ast::Expr::MethodCallExpr(mce) => { 221 ast::Expr::MethodCallExpr(mce) => {