1 files changed, 48 insertions, 0 deletions
diff --git a/extensions/universalchardet/tests/CharsetDetectionTests.js b/extensions/universalchardet/tests/CharsetDetectionTests.js
new file mode 100644
index 0000000000..8d6ebad964
--- /dev/null
+++ b/extensions/universalchardet/tests/CharsetDetectionTests.js
@@ -0,0 +1,48 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 4 -*- */
+/* vim: set ts=8 et sw=4 tw=80: */
+
+var gExpectedCharset;
+var gLocalDir;
+
+function CharsetDetectionTests(aTestFile, aExpectedCharset) {
+  gExpectedCharset = aExpectedCharset;
+
+  InitDetectorTests();
+
+  var fileURI = gLocalDir + aTestFile;
+  $("testframe").src = fileURI;
+
+  SimpleTest.waitForExplicitFinish();
+}
+
+function InitDetectorTests() {
+  var loader = Services.scriptloader;
+  var ioService = Services.io;
+  loader.loadSubScript("chrome://mochikit/content/chrome-harness.js");
+
+  $("testframe").onload = DoDetectionTest;
+
+  if (gExpectedCharset == "default") {
+    // No point trying to be generic here, because we have plenty of other
+    // unit tests that fail if run using a non-windows-1252 locale.
+    gExpectedCharset = "windows-1252";
+  }
+
+  // Get the local directory. This needs to be a file: URI because chrome:
+  // URIs are always UTF-8 (bug 617339) and we are testing decoding from other
+  // charsets.
+  var jar = getJar(getRootDirectory(window.location.href));
+  var dir = jar
+    ? extractJarToTmp(jar)
+    : getChromeDir(getResolvedURI(window.location.href));
+  gLocalDir = ioService.newFileURI(dir).spec;
+}
+
+function DoDetectionTest() {
+  var iframeDoc = $("testframe").contentDocument;
+  var charset = iframeDoc.characterSet;
+
+  is(charset, gExpectedCharset, "decoded as " + gExpectedCharset);
+
+  SimpleTest.finish();
+}