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-rw-r--r--src/test/ui/proc-macro/auxiliary/api/parse.rs4
1 files changed, 4 insertions, 0 deletions
diff --git a/src/test/ui/proc-macro/auxiliary/api/parse.rs b/src/test/ui/proc-macro/auxiliary/api/parse.rs
index 93551ebaf82..ef777fc0333 100644
--- a/src/test/ui/proc-macro/auxiliary/api/parse.rs
+++ b/src/test/ui/proc-macro/auxiliary/api/parse.rs
@@ -8,6 +8,10 @@ pub fn test() {
 fn test_display_literal() {
     assert_eq!(Literal::isize_unsuffixed(-10).to_string(), "-10");
     assert_eq!(Literal::isize_suffixed(-10).to_string(), "-10isize");
+    assert_eq!(Literal::f32_unsuffixed(-10.0).to_string(), "-10.0");
+    assert_eq!(Literal::f32_suffixed(-10.0).to_string(), "-10f32");
+    assert_eq!(Literal::f64_unsuffixed(-10.0).to_string(), "-10.0");
+    assert_eq!(Literal::f64_suffixed(-10.0).to_string(), "-10f64");
 }
 
 fn test_parse_literal() {