1 files changed, 61 insertions, 0 deletions
diff --git a/src/test/ui/proc-macro/span-api-tests.rs b/src/test/ui/proc-macro/span-api-tests.rs
new file mode 100644
index 000000000..914ad54ed
--- /dev/null
+++ b/src/test/ui/proc-macro/span-api-tests.rs
@@ -0,0 +1,61 @@
+// run-pass
+// ignore-pretty
+// aux-build:span-api-tests.rs
+// aux-build:span-test-macros.rs
+
+#[macro_use]
+extern crate span_test_macros;
+
+extern crate span_api_tests;
+
+// FIXME(69775): Investigate `assert_fake_source_file`.
+
+use span_api_tests::{reemit, assert_source_file, macro_stringify};
+
+macro_rules! say_hello {
+    ($macname:ident) => ( $macname! { "Hello, world!" })
+}
+
+assert_source_file! { "Hello, world!" }
+
+say_hello! { assert_source_file }
+
+reemit_legacy! {
+    assert_source_file! { "Hello, world!" }
+}
+
+say_hello_extern! { assert_source_file }
+
+reemit! {
+    assert_source_file! { "Hello, world!" }
+}
+
+fn main() {
+    let s = macro_stringify!(Hello, world!);
+    assert_eq!(s, "Hello, world!");
+    assert_eq!(macro_stringify!(Hello, world!), "Hello, world!");
+    assert_eq!(reemit_legacy!(macro_stringify!(Hello, world!)), "Hello, world!");
+    reemit_legacy!(assert_eq!(macro_stringify!(Hello, world!), "Hello, world!"));
+    // reemit change the span to be that of the call site
+    assert_eq!(
+        reemit!(macro_stringify!(Hello, world!)),
+        "reemit!(macro_stringify!(Hello, world!))"
+    );
+    let r = "reemit!(assert_eq!(macro_stringify!(Hello, world!), r))";
+    reemit!(assert_eq!(macro_stringify!(Hello, world!), r));
+
+    assert_eq!(macro_stringify!(
+        Hello,
+        world!
+    ), "Hello,\n        world!");
+
+    assert_eq!(macro_stringify!(Hello, /*world */ !), "Hello, /*world */ !");
+        assert_eq!(macro_stringify!(
+        Hello,
+        // comment
+        world!
+    ), "Hello,\n        // comment\n        world!");
+
+    assert_eq!(say_hello! { macro_stringify }, "\"Hello, world!\"");
+    assert_eq!(say_hello_extern! { macro_stringify }, "\"Hello, world!\"");
+}