Percent-encode illegal characters in Android page info popup URL

chrome/android/javatests/src/org/chromium/chrome/browser/WebsiteSettingsPopupTest.java

+// Copyright 2015 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+package org.chromium.chrome.browser;
+
+import android.test.InstrumentationTestCase;
+import android.test.suitebuilder.annotation.SmallTest;
+
+/**
+ * Tests for WebsiteSettingsPopup
+ */
+public class WebsiteSettingsPopupTest extends InstrumentationTestCase {
+    @SmallTest
+    public void testRemoveSuspiciousFragment() {
+        assertEquals("Encode suspicious message",
+                WebsiteSettingsPopup.encodeSuspiciousFragment(
+                        "http://example.com/#  WARNING  \u00A0Chrome has detected malware on your"
+                        + " device!"),
+                "http://example.com/#%20%20WARNING%20%20%C2%A0Chrome%20has%20detected%20malware%20"
+                + "on%20your%20device!");
+        assertEquals("Do not encode valid unicode fragment",
+                WebsiteSettingsPopup.encodeSuspiciousFragment("http://example.com/#Düsseldorf"),
+                "http://example.com/#Düsseldorf");
+        assertEquals("Encode fragment with spaces",
+                WebsiteSettingsPopup.encodeSuspiciousFragment("http://example.com/#hi how are you"),
+                "http://example.com/#hi%20how%20are%20you");
+        assertEquals("Encode fragment with unicode whitespace",
+                WebsiteSettingsPopup.encodeSuspiciousFragment("http://example.com/#em\u2003space"),
+                "http://example.com/#em%E2%80%83space");
+        assertEquals("Do not encode reserved URI characters",
+                WebsiteSettingsPopup.encodeSuspiciousFragment("http://example.com/?q=a#a b c"),
+                "http://example.com/?q=a#a%20b%20c");
+    }
+}