1 files changed, 22 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/parser/syntax-error-illegal-character.js b/js/src/jit-test/tests/parser/syntax-error-illegal-character.js
new file mode 100644
index 0000000000..03a98122ef
--- /dev/null
+++ b/js/src/jit-test/tests/parser/syntax-error-illegal-character.js
@@ -0,0 +1,22 @@
+load(libdir + "syntax.js");
+
+if (!getBuildConfiguration("decorators")) {
+  function check_syntax_error_at(e, code, name) {
+    assertEq(e instanceof SyntaxError, true, name + ": " + code);
+    assertEq(e.message, "illegal character U+0040", name + ": " + code);
+  }
+  test_syntax(["@"], check_syntax_error_at, false);
+}
+
+function check_syntax_error_ellipsis(e, code, name) {
+  assertEq(e instanceof SyntaxError, true, name + ": " + code);
+  assertEq(e.message, "illegal character U+2026", name + ": " + code);
+}
+test_syntax(["…"], check_syntax_error_ellipsis, false);
+
+function check_syntax_error_clown(e, code, name) {
+  assertEq(e instanceof SyntaxError, true, name + ": " + code);
+  assertEq(e.message, "illegal character U+1F921", name + ": " + code);
+}
+test_syntax(["🤡"], check_syntax_error_clown, false);
+