Find reading list entry state in model from url

ios/chrome/browser/reading_list/reading_list_model_unittest.cc

Index: ios/chrome/browser/reading_list/reading_list_model_unittest.cc
diff --git a/ios/chrome/browser/reading_list/reading_list_model_unittest.cc b/ios/chrome/browser/reading_list/reading_list_model_unittest.cc
index 9423250538f4a221e1b36de506fbd18afe3fbb4d..edc4c99d919ee5379c2bef34f9d54afdec2a44ab 100644
--- a/ios/chrome/browser/reading_list/reading_list_model_unittest.cc
+++ b/ios/chrome/browser/reading_list/reading_list_model_unittest.cc
@@ -334,4 +334,21 @@ TEST_F(ReadingListModelTest, CallbackEntryURLNotPresent) {
   EXPECT_FALSE(CallbackCalled());
 }
 
+TEST_F(ReadingListModelTest, EntryStateByURL) {
+  // Setup.
+  const GURL not_present("http://not.present");
+  const GURL unread("http://foo.bar");
+  model_->AddEntry(unread, "sample");
+  const GURL read("http://example.com");
+  model_->AddEntry(read, "sample");
+  model_->MarkReadByURL(read);
+
+  // Action/Test.
+  EXPECT_EQ(ReadingListModel::EntryState::READ, model_->EntryStateByURL(read));
+  EXPECT_EQ(ReadingListModel::EntryState::UNREAD,
+            model_->EntryStateByURL(unread));
+  EXPECT_EQ(ReadingListModel::EntryState::NOT_PRESENT,
+            model_->EntryStateByURL(not_present));
+}
+
 }  // namespace