diff -r 000000000000 -r 6474c204b198 intl/uconv/tests/unit/test_bug381412.euc_jp.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/intl/uconv/tests/unit/test_bug381412.euc_jp.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,89 @@
+const charset = "EUC-JP";
+const ScriptableUnicodeConverter =
+	Components.Constructor("@mozilla.org/intl/scriptableunicodeconverter",
+			       "nsIScriptableUnicodeConverter");
+var gConverter;
+
+function error(inString, outString, msg){
+    var dispIn = "";
+    var dispOut = "";
+    var i;
+    for (i = 0; i < inString.length; ++i) {
+	dispIn += " x" + inString.charCodeAt(i).toString(16);
+    }
+    if (outString.length == 0) {
+	dispOut = "<empty>";
+    } else {
+	for (i = 0; i < outString.length; ++i) {
+	    dispOut += " x" + outString.charCodeAt(i).toString(16);
+	}
+    }
+    dump("\"" + dispIn + "\" ==> \"" + dispOut + "\"\n");
+    do_throw("security risk: " + msg);
+}
+
+function test(inString) {
+    var outString = gConverter.ConvertToUnicode(inString) +
+	            gConverter.Finish();
+
+    switch (outString.length) {
+        case 0:
+        case 1:
+        case 2:
+	    error(inString, outString, "Unexpected error");
+	    break;
+        case 3:
+	    error(inString, outString, "3 byte sequence eaten");
+	    break;
+        case 4:
+	    if (outString.charCodeAt(0) < 0x80 &&
+		outString.charCodeAt(1) < 0x80 &&
+		outString.charCodeAt(2) < 0x80 &&
+		outString.charCodeAt(3) < 0x80) {
+		error(inString, outString,
+		      "3 byte sequence converted to 1 ASCII");
+	    }
+	    break;
+        case 5:
+	    if (outString != inString &&
+		outString.charCodeAt(0) < 0x80 &&
+		outString.charCodeAt(1) < 0x80 &&
+		outString.charCodeAt(2) < 0x80 &&
+		outString.charCodeAt(3) < 0x80 &&
+		outString.charCodeAt(4) < 0x80) {
+		error(inString, outString,
+		      "3 byte sequence converted to 2 ASCII");
+	    }
+	    break;
+        case 6:
+	    if (outString != inString &&
+		outString.charCodeAt(0) < 0x80 &&
+		outString.charCodeAt(1) < 0x80 &&
+		outString.charCodeAt(2) < 0x80 &&
+		outString.charCodeAt(3) < 0x80 &&
+		outString.charCodeAt(4) < 0x80 &&
+		outString.charCodeAt(5) < 0x80) {
+		error(inString, outString,
+		      "3 byte sequence converted to 3 ASCII");
+	    }
+	    break;
+    }
+}
+
+function run_test() {
+    gConverter = new ScriptableUnicodeConverter();
+    gConverter.charset = charset;
+
+    var byte1, byte2, byte3;
+    for (byte1 = 1; byte1 < 0x100; ++byte1) {
+	for (byte2 = 1; byte2 < 0x100; ++byte2) {
+	    if (byte1 == 0x8f) {
+		for (byte3 = 1; byte3 < 0x100; ++byte3) {
+		    test(String.fromCharCode(byte1, byte2, byte3) + "foo");
+		}
+	    } else {
+		test(String.fromCharCode(byte1, byte2) + " foo");
+	    }
+	}
+    }
+}