3 files changed, 38 insertions, 8 deletions
diff --git a/tests/ui-fulldeps/fluent-messages/invalid-escape.ftl b/tests/ui-fulldeps/fluent-messages/invalid-escape.ftl
new file mode 100644
index 000000000..e28852ea0
--- /dev/null
+++ b/tests/ui-fulldeps/fluent-messages/invalid-escape.ftl
@@ -0,0 +1 @@
+no_crate_bad_escape = don't use \n, \', or \"
diff --git a/tests/ui-fulldeps/fluent-messages/test.rs b/tests/ui-fulldeps/fluent-messages/test.rs
index 66575eb8e..6ba13387b 100644
--- a/tests/ui-fulldeps/fluent-messages/test.rs
+++ b/tests/ui-fulldeps/fluent-messages/test.rs
@@ -1,4 +1,4 @@
-// normalize-stderr-test "note.*" -> "note: os-specific message"
+// normalize-stderr-test "could not open Fluent resource:.*" -> "could not open Fluent resource: os-specific message"
 
 #![feature(rustc_private)]
 #![crate_type = "lib"]
@@ -92,3 +92,12 @@ mod missing_message_ref {
     fluent_messages! { "./missing-message-ref.ftl" }
     //~^ ERROR referenced message `message` does not exist
 }
+
+mod bad_escape {
+    use super::fluent_messages;
+
+    fluent_messages! { "./invalid-escape.ftl" }
+    //~^ ERROR invalid escape `\n`
+    //~| ERROR invalid escape `\"`
+    //~| ERROR invalid escape `\'`
+}
diff --git a/tests/ui-fulldeps/fluent-messages/test.stderr b/tests/ui-fulldeps/fluent-messages/test.stderr
index c7961ed22..2affe621c 100644
--- a/tests/ui-fulldeps/fluent-messages/test.stderr
+++ b/tests/ui-fulldeps/fluent-messages/test.stderr
@@ -1,18 +1,14 @@
-error: could not open Fluent resource
+error: could not open Fluent resource: os-specific message
   --> $DIR/test.rs:24:24
    |
 LL |     fluent_messages! { "/definitely_does_not_exist.ftl" }
    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-   |
-   = note: os-specific message
 
-error: could not open Fluent resource
+error: could not open Fluent resource: os-specific message
   --> $DIR/test.rs:31:24
    |
 LL |     fluent_messages! { "../definitely_does_not_exist.ftl" }
    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-   |
-   = note: os-specific message
 
 error: could not parse Fluent resource
   --> $DIR/test.rs:38:24
@@ -83,5 +79,29 @@ LL |     fluent_messages! { "./missing-message-ref.ftl" }
    |
    = help: you may have meant to use a variable reference (`{$message}`)
 
-error: aborting due to 10 previous errors
+error: invalid escape `\n` in Fluent resource
+  --> $DIR/test.rs:99:24
+   |
+LL |     fluent_messages! { "./invalid-escape.ftl" }
+   |                        ^^^^^^^^^^^^^^^^^^^^^^
+   |
+   = note: Fluent does not interpret these escape sequences (<https://projectfluent.org/fluent/guide/special.html>)
+
+error: invalid escape `\"` in Fluent resource
+  --> $DIR/test.rs:99:24
+   |
+LL |     fluent_messages! { "./invalid-escape.ftl" }
+   |                        ^^^^^^^^^^^^^^^^^^^^^^
+   |
+   = note: Fluent does not interpret these escape sequences (<https://projectfluent.org/fluent/guide/special.html>)
+
+error: invalid escape `\'` in Fluent resource
+  --> $DIR/test.rs:99:24
+   |
+LL |     fluent_messages! { "./invalid-escape.ftl" }
+   |                        ^^^^^^^^^^^^^^^^^^^^^^
+   |
+   = note: Fluent does not interpret these escape sequences (<https://projectfluent.org/fluent/guide/special.html>)
+
+error: aborting due to 13 previous errors