diff -r 000000000000 -r 6474c204b198 browser/base/content/test/general/browser_urlbarCopying.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/browser/base/content/test/general/browser_urlbarCopying.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,204 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+
+const trimPref = "browser.urlbar.trimURLs";
+const phishyUserPassPref = "network.http.phishy-userpass-length";
+
+function test() {
+
+  let tab = gBrowser.selectedTab = gBrowser.addTab();
+
+  registerCleanupFunction(function () {
+    gBrowser.removeTab(tab);
+    Services.prefs.clearUserPref(trimPref);
+    Services.prefs.clearUserPref(phishyUserPassPref);
+    URLBarSetURI();
+  });
+
+  Services.prefs.setBoolPref(trimPref, true);
+  Services.prefs.setIntPref(phishyUserPassPref, 32); // avoid prompting about phishing
+
+  waitForExplicitFinish();
+
+  nextTest();
+}
+
+var tests = [
+  // pageproxystate="invalid"
+  {
+    setURL: "http://example.com/",
+    expectedURL: "example.com",
+    copyExpected: "example.com"
+  },
+  {
+    copyVal: "<e>xample.com",
+    copyExpected: "e"
+  },
+
+  // pageproxystate="valid" from this point on (due to the load)
+  {
+    loadURL: "http://example.com/",
+    expectedURL: "example.com",
+    copyExpected: "http://example.com/"
+  },
+  {
+    copyVal: "<example.co>m",
+    copyExpected: "example.co"
+  },
+  {
+    copyVal: "e<x>ample.com",
+    copyExpected: "x"
+  },
+  {
+    copyVal: "<e>xample.com",
+    copyExpected: "e"
+  },
+
+  {
+    loadURL: "http://example.com/foo",
+    expectedURL: "example.com/foo",
+    copyExpected: "http://example.com/foo"
+  },
+  {
+    copyVal: "<example.com>/foo",
+    copyExpected: "http://example.com"
+  },
+  {
+    copyVal: "<example>.com/foo",
+    copyExpected: "example"
+  },
+
+  // Test that userPass is stripped out
+  {
+    loadURL: "http://user:pass@mochi.test:8888/browser/browser/base/content/test/general/authenticate.sjs?user=user&pass=pass",
+    expectedURL: "mochi.test:8888/browser/browser/base/content/test/general/authenticate.sjs?user=user&pass=pass",
+    copyExpected: "http://mochi.test:8888/browser/browser/base/content/test/general/authenticate.sjs?user=user&pass=pass"
+  },
+
+  // Test escaping
+  {
+    loadURL: "http://example.com/()%C3%A9",
+    expectedURL: "example.com/()\xe9",
+    copyExpected: "http://example.com/%28%29%C3%A9"
+  },
+  {
+    copyVal: "<example.com/(>)\xe9",
+    copyExpected: "http://example.com/("
+  },
+  {
+    copyVal: "e<xample.com/(>)\xe9",
+    copyExpected: "xample.com/("
+  },
+
+  {
+    loadURL: "http://example.com/%C3%A9%C3%A9",
+    expectedURL: "example.com/\xe9\xe9",
+    copyExpected: "http://example.com/%C3%A9%C3%A9"
+  },
+  {
+    copyVal: "e<xample.com/\xe9>\xe9",
+    copyExpected: "xample.com/\xe9"
+  },
+  {
+    copyVal: "<example.com/\xe9>\xe9",
+    copyExpected: "http://example.com/\xe9"
+  },
+
+  {
+    loadURL: "http://example.com/?%C3%B7%C3%B7",
+    expectedURL: "example.com/?\xf7\xf7",
+    copyExpected: "http://example.com/?%C3%B7%C3%B7"
+  },
+  {
+    copyVal: "e<xample.com/?\xf7>\xf7",
+    copyExpected: "xample.com/?\xf7"
+  },
+  {
+    copyVal: "<example.com/?\xf7>\xf7",
+    copyExpected: "http://example.com/?\xf7"
+  },
+
+  // data: and javsacript: URIs shouldn't be encoded
+  {
+    loadURL: "javascript:('%C3%A9')",
+    expectedURL: "javascript:('\xe9')",
+    copyExpected: "javascript:('\xe9')"
+  },
+  {
+    copyVal: "<javascript:(>'\xe9')",
+    copyExpected: "javascript:("
+  },
+
+  {
+    loadURL: "data:text/html,(%C3%A9)",
+    expectedURL: "data:text/html,(\xe9)",
+    copyExpected: "data:text/html,(\xe9)"
+  },
+  {
+    copyVal: "<data:text/html,(>\xe9)",
+    copyExpected: "data:text/html,("
+  },
+  {
+    copyVal: "data:<text/html,(\xe9>)",
+    copyExpected: "text/html,(\xe9"
+  }
+];
+
+function nextTest() {
+  let test = tests.shift();
+  if (tests.length == 0)
+    runTest(test, finish);
+  else
+    runTest(test, nextTest);
+}
+
+function runTest(test, cb) {
+  function doCheck() {
+    if (test.setURL || test.loadURL) {
+      gURLBar.valueIsTyped = !!test.setURL;
+      is(gURLBar.value, test.expectedURL, "url bar value set");
+    }
+
+    testCopy(test.copyVal, test.copyExpected, cb);
+  }
+
+  if (test.loadURL) {
+    loadURL(test.loadURL, doCheck);
+  } else {
+    if (test.setURL)
+      gURLBar.value = test.setURL;
+    doCheck();
+  }
+}
+
+function testCopy(copyVal, targetValue, cb) {
+  info("Expecting copy of: " + targetValue);
+  waitForClipboard(targetValue, function () {
+    gURLBar.focus();
+    if (copyVal) {
+      let startBracket = copyVal.indexOf("<");
+      let endBracket = copyVal.indexOf(">");
+      if (startBracket == -1 || endBracket == -1 ||
+          startBracket > endBracket ||
+          copyVal.replace("<", "").replace(">", "") != gURLBar.value) {
+        ok(false, "invalid copyVal: " + copyVal);
+      }
+      gURLBar.selectionStart = startBracket;
+      gURLBar.selectionEnd = endBracket - 1;
+    } else {
+      gURLBar.select();
+    }
+
+    goDoCommand("cmd_copy");
+  }, cb, cb);
+}
+
+function loadURL(aURL, aCB) {
+  gBrowser.selectedBrowser.addEventListener("load", function () {
+    gBrowser.selectedBrowser.removeEventListener("load", arguments.callee, true);
+    is(gBrowser.currentURI.spec, aURL, "loaded expected URL");
+    aCB();
+  }, true);
+
+  gBrowser.loadURI(aURL);
+}