Account for proc_macro::Span layout change between 1.31 and 1.32

dtolnay · Mar 11, 2023 · e1fa732 · e1fa732
1 parent 6083bef
commit e1fa732
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diff --git a/Cargo.toml b/Cargo.toml
@@ -25,6 +25,7 @@ unicode-ident = "1.0"
 
 [dev-dependencies]
 quote = { version = "1.0", default_features = false }
+rustversion = "1"
 
 [features]
 proc-macro = []

diff --git a/tests/test_size.rs b/tests/test_size.rs
@@ -2,6 +2,7 @@ extern crate proc_macro;
 
 use std::mem;
 
+#[rustversion::attr(before(1.32), ignore)]
 #[test]
 fn test_proc_macro_span_size() {
  assert_eq!(mem::size_of::<proc_macro::Span>(), 4);
@@ -22,6 +23,7 @@ fn test_proc_macro2_fallback_span_size_with_locations() {
  assert_eq!(mem::size_of::<Option<proc_macro2::Span>>(), 12);
 }
 
+#[rustversion::attr(before(1.32), ignore)]
 #[cfg_attr(not(all(wrap_proc_macro, not(span_locations))), ignore)]
 #[test]
 fn test_proc_macro2_wrapper_span_size_without_locations() {