From 36d22d82aa202bb199967e9512281e9a53db42c9 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sun, 7 Apr 2024 21:33:14 +0200
Subject: Adding upstream version 115.7.0esr.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 intl/uconv/tests/unit/test_bug381412.Big5-HKSCS.js | 64 ++++++++++++++++++++++
 1 file changed, 64 insertions(+)
 create mode 100644 intl/uconv/tests/unit/test_bug381412.Big5-HKSCS.js

(limited to 'intl/uconv/tests/unit/test_bug381412.Big5-HKSCS.js')

diff --git a/intl/uconv/tests/unit/test_bug381412.Big5-HKSCS.js b/intl/uconv/tests/unit/test_bug381412.Big5-HKSCS.js
new file mode 100644
index 0000000000..4108dc1090
--- /dev/null
+++ b/intl/uconv/tests/unit/test_bug381412.Big5-HKSCS.js
@@ -0,0 +1,64 @@
+const charset = "Big5-HKSCS";
+
+function dumpStrings(inString, outString) {
+  var dispIn = "";
+  var dispOut = "";
+  var i;
+  for (i = 0; i < inString.length; ++i) {
+    dispIn += " x" + inString.charCodeAt(i).toString(16);
+  }
+  if (!outString.length) {
+    dispOut = "<empty>";
+  } else {
+    for (i = 0; i < outString.length; ++i) {
+      dispOut += " x" + outString.charCodeAt(i).toString(16);
+    }
+  }
+  dump('"' + dispIn + '" ==> "' + dispOut + '"\n');
+}
+
+function error(inString, outString, msg) {
+  dumpStrings(inString, outString);
+  do_throw("security risk: " + msg);
+}
+
+function run_test() {
+  var ScriptableUnicodeConverter = Components.Constructor(
+    "@mozilla.org/intl/scriptableunicodeconverter",
+    "nsIScriptableUnicodeConverter"
+  );
+
+  var converter = new ScriptableUnicodeConverter();
+  converter.charset = charset;
+
+  var leadByte, trailByte;
+  var inString;
+  for (leadByte = 1; leadByte < 0x100; ++leadByte) {
+    for (trailByte = 1; trailByte < 0x100; ++trailByte) {
+      inString = String.fromCharCode(leadByte, trailByte, 65);
+      var outString = converter.ConvertToUnicode(inString) + converter.Finish();
+      switch (outString.length) {
+        case 1:
+          error(inString, outString, "2 byte sequence eaten");
+          break;
+        case 2:
+          if (
+            outString.charCodeAt(0) < 0x80 &&
+            outString.charCodeAt(1) < 0x80
+          ) {
+            error(inString, outString, "2 byte sequence converted to 1 ASCII");
+          }
+          break;
+        case 3:
+          if (
+            outString != inString &&
+            outString.charCodeAt(0) < 0x80 &&
+            outString.charCodeAt(1) < 0x80
+          ) {
+            error(inString, outString, "2 byte sequence converted to 2 ASCII");
+          }
+          break;
+      }
+    }
+  }
+}
-- 
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