1 files changed, 41 insertions, 0 deletions
diff --git a/intl/uconv/tests/unit/test_input_stream.js b/intl/uconv/tests/unit/test_input_stream.js
new file mode 100644
index 0000000000..b33fb98356
--- /dev/null
+++ b/intl/uconv/tests/unit/test_input_stream.js
@@ -0,0 +1,41 @@
+var CC = Components.Constructor;
+var converter = Cc[
+  "@mozilla.org/intl/scriptableunicodeconverter"
+].createInstance(Ci.nsIScriptableUnicodeConverter);
+converter.charset = "UTF-8";
+
+var SIS = CC(
+  "@mozilla.org/scriptableinputstream;1",
+  "nsIScriptableInputStream",
+  "init"
+);
+
+function test_char(code) {
+  dump("test_char(0x" + code.toString(16) + ")\n");
+  var original = String.fromCharCode(code);
+  var nativeStream = Cc["@mozilla.org/io/string-input-stream;1"].createInstance(
+    Ci.nsIStringInputStream
+  );
+  nativeStream.setUTF8Data(original);
+  var stream = new SIS(nativeStream);
+  var utf8Result = stream.read(stream.available());
+  stream.close();
+  var result = converter.ConvertToUnicode(utf8Result);
+  Assert.equal(escape(original), escape(result));
+}
+
+function run_test() {
+  // This is not a very comprehensive test.
+  for (var i = 0x007f - 2; i <= 0x007f; i++) {
+    test_char(i);
+  }
+  for (i = 0x07ff - 2; i <= 0x07ff; i++) {
+    test_char(i);
+  }
+  for (i = 0x1000 - 2; i <= 0x1000 + 2; i++) {
+    test_char(i);
+  }
+  for (i = 0xe000; i <= 0xe000 + 2; i++) {
+    test_char(i);
+  }
+}