Unit test for ISO-2022-KR decoding

intl/uconv/tests/unit/test_iso2022KR.js

@@ -0,0 +1,71 @@
+/* Test case for ISO-2022-KR
+ *
+ * Uses nsIConverterInputStream to decode ISO-2022-KR text.
+ *
+ * Sample text is: 
+ * 1: 소 잃고 외양간 고친다
+ * 2: 빈 수레가 요란하다
+ * 3: 하늘의 별 따기
+ * 4: 아는 길도 물어가라
+ *
+ * (From http://en.wikiquote.org/wiki/Korean_proverbs)
+ */
+
+const sample = "%1B%24%29C1%3A%20%0E%3CR%0F%20%0E%40R0m%0F%20%0E%3F%5C%3Eg0%23%0F%20%0E0mD%234Y%0A2%3A%20%0E%3As%0F%20%0E%3Cv790%21%0F%20%0E%3Fd6uGO4Y%0A3%3A%20%0EGO4C%40G%0F%20%0E%3A0%0F%20%0E5%7B1b%0A4%3A%20%0E%3EF4B%0F%20%0E1f55%0F%20%0E90%3En0%216s";
+
+const expected = "1: \uC18C \uC783\uACE0 \uC678\uC591\uAC04 \uACE0\uCE5C\uB2E4\n2: \uBE48 \uC218\uB808\uAC00 \uC694\uB780\uD558\uB2E4\n3: \uD558\uB298\uC758 \uBCC4 \uB530\uAE30\n4: \uC544\uB294 \uAE38\uB3C4 \uBB3C\uC5B4\uAC00\uB77C\n"; 
+
+const charset="ISO-2022-KR";
+
+function testCase(bufferLength)
+{
+  var dataURI = "data:text/plain;charset=" + charset + "," + sample;
+
+  var IOService = Components.Constructor("@mozilla.org/network/io-service;1",
+					 "nsIIOService");
+  var ConverterInputStream =
+      Components.Constructor("@mozilla.org/intl/converter-input-stream;1",
+			     "nsIConverterInputStream",
+			     "init");
+
+  var ios = new IOService();
+  var channel = ios.newChannel(dataURI, "", null);
+  var testInputStream = channel.open();
+  var testConverter = new ConverterInputStream(testInputStream,
+					       charset,
+					       bufferLength,
+					       0xFFFD);
+
+  if (!(testConverter instanceof
+	Components.interfaces.nsIUnicharLineInputStream))
+      throw "not line input stream";
+
+  var outStr = "";
+  var more;
+  do {
+      // read the line and check for eof
+      var line = {};
+      more = testConverter.readLine(line);
+      outStr += line.value + "\n";
+  } while (more);
+
+  if (outStr != expected) {
+    dump("Failed with bufferLength = " + bufferLength + "\n");
+    if (outStr.length == expected.length) {
+      for (i = 0; i < outStr.length; ++i) {
+	if (outStr.charCodeAt(i) != expected.charCodeAt(i)) {
+	  dump(i + ": " + outStr.charCodeAt(i).toString(16) + " != " + expected.charCodeAt(i).toString(16) + "\n");
+	}
+      }
+    }
+  }
+
+  // escape the strings before comparing for better readability
+  do_check_eq(escape(outStr), escape(expected));
+}
+
+function run_test()
+{
+  testCase(34);
+  testCase(35);
+}