1 files changed, 86 insertions, 0 deletions
diff --git a/intl/uconv/tests/unit/test_unmapped.js b/intl/uconv/tests/unit/test_unmapped.js
new file mode 100644
index 0000000000..13ee13c20e
--- /dev/null
+++ b/intl/uconv/tests/unit/test_unmapped.js
@@ -0,0 +1,86 @@
+// Tests encoding of unmapped characters
+const inString = "\uE5E5";
+const expectedString = "?";
+
+function run_test() {
+  var failures = false;
+  var encodingConverter = CreateScriptableConverter();
+
+  // this list excludes codepages that can represent all Unicode
+  var encoders = [
+    "Big5",
+    "EUC-JP",
+    "EUC-KR",
+    "GBK",
+    "gb18030",
+    "IBM866",
+    "ISO-2022-JP",
+    "ISO-8859-3",
+    "ISO-8859-4",
+    "ISO-8859-5",
+    "ISO-8859-6",
+    "ISO-8859-7",
+    "ISO-8859-8",
+    "ISO-8859-8-I",
+    "ISO-8859-10",
+    "ISO-8859-13",
+    "ISO-8859-14",
+    "ISO-8859-15",
+    "ISO-8859-16",
+    "ISO-8859-2",
+    "KOI8-R",
+    "KOI8-U",
+    "Shift_JIS",
+    "windows-1250",
+    "windows-1251",
+    "windows-1252",
+    "windows-1253",
+    "windows-1254",
+    "windows-1255",
+    "windows-1256",
+    "windows-1257",
+    "windows-1258",
+    "windows-874",
+    "x-mac-cyrillic",
+  ];
+
+  var counter = 0;
+  while (counter < encoders.length) {
+    var charset = encoders[counter++];
+
+    dump("testing " + counter + " " + charset + "\n");
+    encodingConverter.charset = charset;
+    var codepageString =
+      encodingConverter.ConvertFromUnicode(inString) +
+      encodingConverter.Finish();
+    if (codepageString != expectedString) {
+      dump(charset + " encoding failed\n");
+      for (var i = 0; i < expectedString.length; ++i) {
+        if (i >= codepageString.length) {
+          dump(
+            "output length " +
+              codepageString.length +
+              " less than expected length " +
+              expectedString.length +
+              "\n"
+          );
+          break;
+        }
+        if (codepageString.charAt(i) != expectedString.charAt(i)) {
+          dump(
+            i.toString(16) +
+              ": 0x" +
+              codepageString.charCodeAt(i).toString(16) +
+              " != " +
+              expectedString.charCodeAt(i).toString(16) +
+              "\n"
+          );
+        }
+      }
+      failures = true;
+    }
+  }
+  if (failures) {
+    do_throw("test failed\n");
+  }
+}