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_bug563618.js | 97 +++++++++++++++++++++++++++++++++
 1 file changed, 97 insertions(+)
 create mode 100644 intl/uconv/tests/unit/test_bug563618.js

(limited to 'intl/uconv/tests/unit/test_bug563618.js')

diff --git a/intl/uconv/tests/unit/test_bug563618.js b/intl/uconv/tests/unit/test_bug563618.js
new file mode 100644
index 0000000000..2fa0770344
--- /dev/null
+++ b/intl/uconv/tests/unit/test_bug563618.js
@@ -0,0 +1,97 @@
+/* Test case for bug 563618
+ *
+ * Uses nsIConverterInputStream to decode invalid EUC-JP text
+ *
+ */
+
+const { NetUtil } = ChromeUtils.import("resource://gre/modules/NetUtil.jsm");
+
+const test = [
+  // 0: 0x8e followed by hi byte, not valid JIS X 0201
+  [
+    "abcdefghijklmnopqrstuvwxyz12test00%8e%80foobar",
+    //    expected: one replacement character, invalid byte eaten
+    "abcdefghijklmnopqrstuvwxyz12test00\uFFFDfoobar",
+  ],
+  // 1: 0x8e followed by ASCII
+  [
+    "abcdefghijklmnopqrstuvwxyz12test01%8efoobar",
+    //    expected: one replacement character, invalid byte not eaten
+    "abcdefghijklmnopqrstuvwxyz12test01\uFFFDfoobar",
+  ],
+  // 2: JIS X 0208 lead byte followed by invalid hi byte
+  [
+    "abcdefghijklmnopqrstuvwxyz12test02%bf%80foobar",
+    //    expected: one replacement character, invalid byte eaten
+    "abcdefghijklmnopqrstuvwxyz12test02\uFFFDfoobar",
+  ],
+  // 3: JIS X 0208 lead byte followed by ASCII
+  [
+    "abcdefghijklmnopqrstuvwxyz12test03%bffoobar",
+    //    expected: one replacement character, invalid byte not eaten
+    "abcdefghijklmnopqrstuvwxyz12test03\uFFFDfoobar",
+  ],
+];
+
+const ConverterInputStream = Components.Constructor(
+  "@mozilla.org/intl/converter-input-stream;1",
+  "nsIConverterInputStream",
+  "init"
+);
+
+function testCase(testText, expectedText, bufferLength, charset) {
+  var dataURI = "data:text/plain;charset=" + charset + "," + testText;
+  var channel = NetUtil.newChannel({
+    uri: dataURI,
+    loadUsingSystemPrincipal: true,
+  });
+  var testInputStream = channel.open();
+  var testConverter = new ConverterInputStream(
+    testInputStream,
+    charset,
+    bufferLength,
+    0xfffd
+  );
+
+  if (!(testConverter instanceof Ci.nsIUnicharLineInputStream)) {
+    throw new Error("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;
+  } while (more);
+
+  if (outStr != expectedText) {
+    dump("Failed with bufferLength = " + bufferLength + "\n");
+    if (outStr.length == expectedText.length) {
+      for (let i = 0; i < outStr.length; ++i) {
+        if (outStr.charCodeAt(i) != expectedText.charCodeAt(i)) {
+          dump(
+            i +
+              ": " +
+              outStr.charCodeAt(i).toString(16) +
+              " != " +
+              expectedText.charCodeAt(i).toString(16) +
+              "\n"
+          );
+        }
+      }
+    }
+  }
+
+  // escape the strings before comparing for better readability
+  Assert.equal(escape(outStr), escape(expectedText));
+}
+
+function run_test() {
+  for (var i = 0; i < test.length; ++i) {
+    for (var bufferLength = 32; bufferLength < 40; ++bufferLength) {
+      testCase(test[i][0], test[i][1], bufferLength, "EUC-JP");
+    }
+  }
+}
-- 
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