Use for_label_no_replacement.

This will cause certain unsupported legacy encodings to act as if they
don't exist, in order to avoid using an unhelpful (in the context of
file searching) "replacement" encoding.

Kudos to @hsivonen for chirping about this!

2 files changed, 32 insertions, 0 deletions

diff --git a/tests/tests.rs b/tests/tests.rs
index ef332ae7..38812c4e 100644
--- a/tests/tests.rs
+++ b/tests/tests.rs
@@ -1137,6 +1137,21 @@ clean!(feature_1_eucjp, "Шерлок Холмс", ".",
     assert_eq!(lines, "foo:Шерлок Холмс\n");
 });
 
+// See: https://github.com/BurntSushi/ripgrep/issues/1
+sherlock!(feature_1_unknown_encoding, "Sherlock", ".",
+|wd: WorkDir, mut cmd: Command| {
+    cmd.arg("-Efoobar");
+    wd.assert_non_empty_stderr(&mut cmd);
+});
+
+// See: https://github.com/BurntSushi/ripgrep/issues/1
+// Specific: https://github.com/BurntSushi/ripgrep/pull/398/files#r111109265
+sherlock!(feature_1_replacement_encoding, "Sherlock", ".",
+|wd: WorkDir, mut cmd: Command| {
+    cmd.arg("-Ecsiso2022kr");
+    wd.assert_non_empty_stderr(&mut cmd);
+});
+
 // See: https://github.com/BurntSushi/ripgrep/issues/7
 sherlock!(feature_7, "-fpat", "sherlock", |wd: WorkDir, mut cmd: Command| {
     wd.create("pat", "Sherlock\nHolmes");
diff --git a/tests/workdir.rs b/tests/workdir.rs
index a5fe9e54..06621532 100644
--- a/tests/workdir.rs
+++ b/tests/workdir.rs
@@ -256,6 +256,23 @@ impl WorkDir {
                    String::from_utf8_lossy(&o.stderr));
         }
     }
+
+    /// Runs the given command and asserts that something was printed to
+    /// stderr.
+    pub fn assert_non_empty_stderr(&self, cmd: &mut process::Command) {
+        let o = cmd.output().unwrap();
+        if o.status.success() || o.stderr.is_empty() {
+            panic!("\n\n===== {:?} =====\n\
+                    command succeeded but expected failure!\
+                    \n\ncwd: {}\
+                    \n\nstatus: {}\
+                    \n\nstdout: {}\n\nstderr: {}\
+                    \n\n=====\n",
+                   cmd, self.dir.display(), o.status,
+                   String::from_utf8_lossy(&o.stdout),
+                   String::from_utf8_lossy(&o.stderr));
+        }
+    }
 }
 
 fn nice_err<P: AsRef<Path>, T, E: error::Error>(