1 files changed, 24 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/latin1/join.js b/js/src/jit-test/tests/latin1/join.js
new file mode 100644
index 000000000..ab27a4376
--- /dev/null
+++ b/js/src/jit-test/tests/latin1/join.js
@@ -0,0 +1,24 @@
+function toLatin1(s) {
+    assertEq(isLatin1(s), true);
+    return s;
+}
+
+var arrLatin1 = [toLatin1("abc1"), toLatin1("abc\u00A0")];
+var res = arrLatin1.join(toLatin1("sep\u00ff"));
+assertEq(res, "abc1sep\xFFabc\xA0");
+assertEq(isLatin1(res), true);
+
+var arrTwoByte = [toLatin1("abc2"), "def\u1200"];
+assertEq(arrTwoByte.join(toLatin1("sep\u00fe")), "abc2sep\xFEdef\u1200");
+
+res = arrLatin1.join(toLatin1("-"));
+assertEq(res, "abc1-abc\xA0");
+assertEq(isLatin1(res), true);
+
+assertEq(arrTwoByte.join(toLatin1("7")), "abc27def\u1200");
+
+assertEq(arrLatin1.join("\u1200"), "abc1\u1200abc\xA0");
+assertEq(arrTwoByte.join("\u1200"), "abc2\u1200def\u1200");
+
+assertEq(arrLatin1.join("---\u1200"), "abc1---\u1200abc\xA0");
+assertEq(arrTwoByte.join("---\u1200"), "abc2---\u1200def\u1200");