rewrite pretty-print-to-file to rmake

2 files changed, 12 insertions, 5 deletions

diff --git a/tests/run-make/pretty-print-to-file/Makefile b/tests/run-make/pretty-print-to-file/Makefile
deleted file mode 100644
index ca11b8c47f0..00000000000
--- a/tests/run-make/pretty-print-to-file/Makefile
+++ /dev/null
@@ -1,5 +0,0 @@
-include ../tools.mk
-
-all:
-	$(RUSTC) -o $(TMPDIR)/input.out -Zunpretty=normal input.rs
-	diff -u $(TMPDIR)/input.out input.pp
diff --git a/tests/run-make/pretty-print-to-file/rmake.rs b/tests/run-make/pretty-print-to-file/rmake.rs
new file mode 100644
index 00000000000..c23514ae849
--- /dev/null
+++ b/tests/run-make/pretty-print-to-file/rmake.rs
@@ -0,0 +1,12 @@
+// The "pretty-printer" of rustc translates source code into other formats,
+// which is useful for debugging. This test checks the "normal" version of
+// -Zunpretty, which should format the poorly formatted input.rs into a one-line
+// function identical to the one in input.pp.
+// See https://github.com/rust-lang/rust/commit/da25539c1ab295ec40261109557dd4526923928c
+
+use run_make_support::{diff, rustc};
+
+fn main() {
+    rustc().output("input.out").arg("-Zunpretty=normal").input("input.rs").run();
+    diff().expected_file("input.out").actual_file("input.pp").run();
+}