1 files changed, 47 insertions, 0 deletions
diff --git a/docshell/test/browser/browser_bug234628-4.js b/docshell/test/browser/browser_bug234628-4.js
new file mode 100644
index 0000000000..c7c629bf3e
--- /dev/null
+++ b/docshell/test/browser/browser_bug234628-4.js
@@ -0,0 +1,47 @@
+function test() {
+  var rootDir = "http://mochi.test:8888/browser/docshell/test/browser/";
+  runCharsetTest(
+    rootDir + "file_bug234628-4.html",
+    afterOpen,
+    "windows-1251",
+    afterChangeCharset
+  );
+}
+
+function afterOpen() {
+  is(
+    content.document.documentElement.textContent.indexOf("\u20AC"),
+    132,
+    "Parent doc should be windows-1252 initially"
+  );
+
+  is(
+    content.frames[0].document.documentElement.textContent.indexOf("\u20AC"),
+    79,
+    "Child doc should be utf-8 initially"
+  );
+}
+
+function afterChangeCharset() {
+  is(
+    content.document.documentElement.textContent.indexOf("\u0402"),
+    132,
+    "Parent doc should decode as windows-1251 subsequently"
+  );
+  is(
+    content.frames[0].document.documentElement.textContent.indexOf("\u20AC"),
+    79,
+    "Child doc should decode as utf-8 subsequently"
+  );
+
+  is(
+    content.document.characterSet,
+    "windows-1251",
+    "Parent doc should report windows-1251 subsequently"
+  );
+  is(
+    content.frames[0].document.characterSet,
+    "UTF-8",
+    "Child doc should report UTF-8 subsequently"
+  );
+}