[Offline Page] Offline page sharing implementation

chrome/android/junit/src/org/chromium/chrome/browser/offlinepages/OfflinePageUtilsTest.java

Index: chrome/android/junit/src/org/chromium/chrome/browser/offlinepages/OfflinePageUtilsTest.java
diff --git a/chrome/android/junit/src/org/chromium/chrome/browser/offlinepages/OfflinePageUtilsTest.java b/chrome/android/junit/src/org/chromium/chrome/browser/offlinepages/OfflinePageUtilsTest.java
index f89ab8c7fa824ea668929657769e2d3bac715616..0615a2fe3bc3c398bc2aceb341ce936860e410c1 100644
--- a/chrome/android/junit/src/org/chromium/chrome/browser/offlinepages/OfflinePageUtilsTest.java
+++ b/chrome/android/junit/src/org/chromium/chrome/browser/offlinepages/OfflinePageUtilsTest.java
@@ -178,6 +178,26 @@ public class OfflinePageUtilsTest {
                         any(OfflinePageBridge.SavePageCallback.class));
     }
 
+    @Test
+    @Feature({"OfflinePagesSharing"})
+    public void testRewriteOfflineFileName() {
+        // Only dots in file name get replaced.
+        assertEquals("cs_chromium_org.mhtml",
+                OfflinePageUtils.rewriteOfflineFileName("cs.chromium.org.mhtml"));
+        // Successive dots should all be replaced.
+        assertEquals("cs_chromium___org_.mhtml",
+                OfflinePageUtils.rewriteOfflineFileName("cs.chromium...org..mhtml"));
+        // White spaces are trimmed.
+        assertEquals("cs_chromium_org.mhtml",
+                OfflinePageUtils.rewriteOfflineFileName(" cs.chromium .org .mhtml"));
+        // Other special characters is not touched
+        String directoryPath = "chrome/src/offline/";
+        assertEquals(directoryPath + "cs_chromium!_org#.mhtml",
+                OfflinePageUtils.rewriteOfflineFileName(directoryPath + "cs.chromium!.org#.mhtml"));
+        // If there is no dot other than file extension, nothing changes.
+        assertEquals("chromium.mhtml", OfflinePageUtils.rewriteOfflineFileName("chromium.mhtml"));
+    }
+
     /** A shadow/wrapper of android.os.Environment that allows injecting a test directory. */
     @Implements(Environment.class)
     public static class WrappedEnvironment {