test(package): Show behavior with backslashes

tests/testsuite/package.rs

@@ -3541,3 +3541,128 @@ See https://doc.rust-lang.org/cargo/reference/manifest.html#package-metadata for
         )
         .run()
 }
+
+#[cargo_test]
+#[cfg(windows)]
+fn normalize_paths() {
+    let p = project()
+        .file(
+            "Cargo.toml",
+            r#"
+    [package]
+    name = "foo"
+    version = "0.0.1"
+    edition = "2015"
+    description = "foo"
+    documentation = "docs.rs/foo"
+    authors = []
+    readme = ".\\docs\\README.md"
+    license-file = ".\\docs\\LICENSE"
+    build = ".\\src\\build.rs"
+
+    [lib]
+    path = ".\\src\\lib.rs"
+
+    [[bin]]
+    name = "foo"
+    path = ".\\src\\bin\\foo\\main.rs"
+
+    [[example]]
+    name = "example_foo"
+    path = ".\\examples\\example_foo.rs"
+
+    [[test]]
+    name = "test_foo"
+    path = ".\\tests\\test_foo.rs"
+
+    [[bench]]
+    name = "bench_foo"
+    path = ".\\benches\\bench_foo.rs"
+    "#,
+        )
+        .file("src/lib.rs", "")
+        .file("docs/README.md", "")
+        .file("docs/LICENSE", "")
+        .file("src/build.rs", "fn main() {}")
+        .file("src/bin/foo/main.rs", "fn main() {}")
+        .file("examples/example_foo.rs", "fn main() {}")
+        .file("tests/test_foo.rs", "fn main() {}")
+        .file("benches/bench_foo.rs", "fn main() {}")
+        .build();
+
+    p.cargo("package")
+        .with_stdout("")
+        .with_stderr(
+            "\
+[PACKAGING] foo v0.0.1 ([CWD])
+[VERIFYING] foo v0.0.1 ([CWD])
+[COMPILING] foo v0.0.1 ([CWD][..])
+[FINISHED] `dev` profile [unoptimized + debuginfo] target(s) in [..]
+[PACKAGED] 11 files, [..] ([..] compressed)
+",
+        )
+        .run();
+
+    let f = File::open(&p.root().join("target/package/foo-0.0.1.crate")).unwrap();
+    validate_crate_contents(
+        f,
+        "foo-0.0.1.crate",
+        &[
+            "Cargo.lock",
+            "Cargo.toml",
+            "Cargo.toml.orig",
+            "src/lib.rs",
+            "docs/README.md",
+            "docs/LICENSE",
+            "src/build.rs",
+            "src/bin/foo/main.rs",
+            "examples/example_foo.rs",
+            "tests/test_foo.rs",
+            "benches/bench_foo.rs",
+        ],
+        &[(
+            "Cargo.toml",
+            r#"# THIS FILE IS AUTOMATICALLY GENERATED BY CARGO
+#
+# When uploading crates to the registry Cargo will automatically
+# "normalize" Cargo.toml files for maximal compatibility
+# with all versions of Cargo and also rewrite `path` dependencies
+# to registry (e.g., crates.io) dependencies.
+#
+# If you are reading this file be aware that the original Cargo.toml
+# will likely look very different (and much more reasonable).
+# See Cargo.toml.orig for the original contents.
+
+[package]
+edition = "2015"
+name = "foo"
+version = "0.0.1"
+authors = []
+build = './src/build.rs'
+description = "foo"
+documentation = "docs.rs/foo"
+readme = './docs/README.md'
+license-file = './docs/LICENSE'
+
+[lib]
+path = './src/lib.rs'
+
+[[bin]]
+name = "foo"
+path = './src/bin/foo/main.rs'
+
+[[example]]
+name = "example_foo"
+path = './examples/example_foo.rs'
+
+[[test]]
+name = "test_foo"
+path = './tests/test_foo.rs'
+
+[[bench]]
+name = "bench_foo"
+path = './benches/bench_foo.rs'
+"#,
+        )],
+    );
+}