bendns' repos / rust-analyzer
Unnamed repository; edit this file 'description' to name the repository.
Diffstat (limited to 'crates/hir_expand/src/builtin_derive_macro.rs')
-rw-r--r--crates/hir_expand/src/builtin_derive_macro.rs125
1 files changed, 0 insertions, 125 deletions
diff --git a/crates/hir_expand/src/builtin_derive_macro.rs b/crates/hir_expand/src/builtin_derive_macro.rs
index eeebe87acd..d4fcf42dd3 100644
--- a/crates/hir_expand/src/builtin_derive_macro.rs
+++ b/crates/hir_expand/src/builtin_derive_macro.rs
@@ -258,128 +258,3 @@ fn partial_ord_expand(
let krate = find_builtin_crate(db, id);
expand_simple_derive(tt, quote! { #krate::cmp::PartialOrd })
}
-
-#[cfg(test)]
-mod tests {
- use base_db::{fixture::WithFixture, CrateId, SourceDatabase};
- use expect_test::{expect, Expect};
- use name::AsName;
-
- use crate::{test_db::TestDB, AstId, MacroCallId, MacroCallKind, MacroCallLoc};
-
- use super::*;
-
- fn expand_builtin_derive(ra_fixture: &str) -> String {
- let fixture = format!(
- r#"//- /main.rs crate:main deps:core
-$0
-{}
-//- /lib.rs crate:core
-// empty
-"#,
- ra_fixture
- );
-
- let (db, file_pos) = TestDB::with_position(&fixture);
- let file_id = file_pos.file_id;
- let ast_id_map = db.ast_id_map(file_id.into());
- let parsed = db.parse(file_id);
- let macros: Vec<_> =
- parsed.syntax_node().descendants().filter_map(ast::Macro::cast).collect();
- let items: Vec<_> = parsed
- .syntax_node()
- .descendants()
- .filter(|node| !ast::Macro::can_cast(node.kind()))
- .filter_map(ast::Item::cast)
- .collect();
-
- assert_eq!(macros.len(), 1, "test must contain exactly 1 macro definition");
- assert_eq!(items.len(), 1, "test must contain exactly 1 item");
-
- let macro_ast_id = AstId::new(file_id.into(), ast_id_map.ast_id(&macros[0]));
- let name = match &macros[0] {
- ast::Macro::MacroRules(rules) => rules.name().unwrap().as_name(),
- ast::Macro::MacroDef(def) => def.name().unwrap().as_name(),
- };
-
- let expander = BuiltinDeriveExpander::find_by_name(&name).unwrap();
-
- let ast_id = AstId::new(file_id.into(), ast_id_map.ast_id(&items[0]));
-
- let loc = MacroCallLoc {
- def: MacroDefId {
- krate: CrateId(0),
- kind: MacroDefKind::BuiltInDerive(expander, macro_ast_id),
- local_inner: false,
- },
- krate: CrateId(0),
- eager: None,
- kind: MacroCallKind::Derive {
- ast_id,
- derive_name: name.to_string(),
- derive_attr_index: 0,
- },
- };
-
- let id: MacroCallId = db.intern_macro(loc);
- let parsed = db.parse_or_expand(id.as_file()).unwrap();
-
- // FIXME text() for syntax nodes parsed from token tree looks weird
- // because there's no whitespace, see below
- parsed.text().to_string()
- }
-
- fn check_derive(ra_fixture: &str, expected: Expect) {
- let expanded = expand_builtin_derive(ra_fixture);
- expected.assert_eq(&expanded);
- }
-
- #[test]
- fn test_copy_expand_simple() {
- check_derive(
- r#"
- macro Copy {}
- #[derive(Copy)]
- struct Foo;
- "#,
- expect![["impl< >core::marker::CopyforFoo< >{}"]],
- );
- }
-
- #[test]
- fn test_copy_expand_with_type_params() {
- check_derive(
- r#"
- macro Copy {}
- #[derive(Copy)]
- struct Foo<A, B>;
- "#,
- expect![["impl<T0:core::marker::Copy,T1:core::marker::Copy>core::marker::CopyforFoo<T0,T1>{}"]],
- );
- }
-
- #[test]
- fn test_copy_expand_with_lifetimes() {
- check_derive(
- r#"
- macro Copy {}
- #[derive(Copy)]
- struct Foo<A, B, 'a, 'b>;
- "#,
- // We currently just ignore lifetimes
- expect![["impl<T0:core::marker::Copy,T1:core::marker::Copy>core::marker::CopyforFoo<T0,T1>{}"]],
- );
- }
-
- #[test]
- fn test_clone_expand() {
- check_derive(
- r#"
- macro Clone {}
- #[derive(Clone)]
- struct Foo<A, B>;
- "#,
- expect![["impl<T0:core::clone::Clone,T1:core::clone::Clone>core::clone::CloneforFoo<T0,T1>{}"]],
- );
- }
-}