From b51a8ed2439e21f2980160bdf6af043e42d55434 Mon Sep 17 00:00:00 2001
From: Ed Page <eopage@gmail.com>
Date: Fri, 8 Aug 2025 16:31:53 -0500
Subject: [PATCH] test(rustfmt): Verify frontmatter is preserved

This is to prove that the frontmatter is preserved.

The choices in tests is intended for showing the different parts of the
proposed Style Guide for frontmatters.
---
 .../rustfmt/tests/source/frontmatter_compact.rs  |  8 ++++++++
 .../rustfmt/tests/source/frontmatter_escaped.rs  | 13 +++++++++++++
 .../rustfmt/tests/source/frontmatter_spaced.rs   | 16 ++++++++++++++++
 .../rustfmt/tests/target/frontmatter_compact.rs  |  8 ++++++++
 .../rustfmt/tests/target/frontmatter_escaped.rs  | 13 +++++++++++++
 .../rustfmt/tests/target/frontmatter_spaced.rs   | 16 ++++++++++++++++
 6 files changed, 74 insertions(+)
 create mode 100644 src/tools/rustfmt/tests/source/frontmatter_compact.rs
 create mode 100644 src/tools/rustfmt/tests/source/frontmatter_escaped.rs
 create mode 100644 src/tools/rustfmt/tests/source/frontmatter_spaced.rs
 create mode 100644 src/tools/rustfmt/tests/target/frontmatter_compact.rs
 create mode 100644 src/tools/rustfmt/tests/target/frontmatter_escaped.rs
 create mode 100644 src/tools/rustfmt/tests/target/frontmatter_spaced.rs

diff --git a/src/tools/rustfmt/tests/source/frontmatter_compact.rs b/src/tools/rustfmt/tests/source/frontmatter_compact.rs
new file mode 100644
index 0000000000000..21d4c6f4b6160
--- /dev/null
+++ b/src/tools/rustfmt/tests/source/frontmatter_compact.rs
@@ -0,0 +1,8 @@
+#!/usr/bin/env cargo
+---identifier
+[dependencies]
+regex = "1"
+---
+#![feature(frontmatter)]
+
+fn main() {}
diff --git a/src/tools/rustfmt/tests/source/frontmatter_escaped.rs b/src/tools/rustfmt/tests/source/frontmatter_escaped.rs
new file mode 100644
index 0000000000000..0d02637756682
--- /dev/null
+++ b/src/tools/rustfmt/tests/source/frontmatter_escaped.rs
@@ -0,0 +1,13 @@
+#!/usr/bin/env cargo
+------------
+package.description = """
+Header
+-----
+
+Body
+"""
+------------
+
+#![feature(frontmatter)]
+
+fn main() {}
diff --git a/src/tools/rustfmt/tests/source/frontmatter_spaced.rs b/src/tools/rustfmt/tests/source/frontmatter_spaced.rs
new file mode 100644
index 0000000000000..ee0bb81705c49
--- /dev/null
+++ b/src/tools/rustfmt/tests/source/frontmatter_spaced.rs
@@ -0,0 +1,16 @@
+#!/usr/bin/env cargo
+
+
+---   identifier
+[dependencies]
+regex = "1"
+
+---
+
+
+
+
+
+#![feature(frontmatter)]
+
+fn main() {}
diff --git a/src/tools/rustfmt/tests/target/frontmatter_compact.rs b/src/tools/rustfmt/tests/target/frontmatter_compact.rs
new file mode 100644
index 0000000000000..21d4c6f4b6160
--- /dev/null
+++ b/src/tools/rustfmt/tests/target/frontmatter_compact.rs
@@ -0,0 +1,8 @@
+#!/usr/bin/env cargo
+---identifier
+[dependencies]
+regex = "1"
+---
+#![feature(frontmatter)]
+
+fn main() {}
diff --git a/src/tools/rustfmt/tests/target/frontmatter_escaped.rs b/src/tools/rustfmt/tests/target/frontmatter_escaped.rs
new file mode 100644
index 0000000000000..0d02637756682
--- /dev/null
+++ b/src/tools/rustfmt/tests/target/frontmatter_escaped.rs
@@ -0,0 +1,13 @@
+#!/usr/bin/env cargo
+------------
+package.description = """
+Header
+-----
+
+Body
+"""
+------------
+
+#![feature(frontmatter)]
+
+fn main() {}
diff --git a/src/tools/rustfmt/tests/target/frontmatter_spaced.rs b/src/tools/rustfmt/tests/target/frontmatter_spaced.rs
new file mode 100644
index 0000000000000..ee0bb81705c49
--- /dev/null
+++ b/src/tools/rustfmt/tests/target/frontmatter_spaced.rs
@@ -0,0 +1,16 @@
+#!/usr/bin/env cargo
+
+
+---   identifier
+[dependencies]
+regex = "1"
+
+---
+
+
+
+
+
+#![feature(frontmatter)]
+
+fn main() {}