[Autofill] Always show available data when encountering autocomplete attributes

components/autofill/content/renderer/form_cache_unittest.cc

+// Copyright 2013 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.
+
+#include "components/autofill/content/renderer/form_cache.h"
+
+#include "base/strings/utf_string_conversions.h"
+#include "components/autofill/core/browser/autofill_test_utils.h"
+#include "components/autofill/core/common/form_data.h"
+#include "components/autofill/core/common/form_field_data.h"
+#include "testing/gmock/include/gmock/gmock.h"
+
+namespace autofill {
+
+TEST(FormCacheTest, IsFormInteresting) {
+  FormData form;
+  form.name = base::ASCIIToUTF16("TestForm");
+  form.origin = GURL("http://example.com/form.html");
+  form.action = GURL("http://example.com/submit.html");
+
+  // No fields.
+  EXPECT_FALSE(FormCache::IsFormInteresting(form));
+
+  // One field without an autocomplete attribute.
+  FormFieldData field;
+  test::CreateTestFormField("Name", "name", "", "text", &field);
+  form.fields.push_back(field);
+  EXPECT_FALSE(FormCache::IsFormInteresting(form));
+
+  // One field with an autocomplete attribute.
+  form.fields[0].autocomplete_attribute = "given-name";
+  EXPECT_TRUE(FormCache::IsFormInteresting(form));
+
+  // Three fields with no autocomplete attributes.
+  form.fields[0].autocomplete_attribute = "";
+  test::CreateTestFormField("Country", "country", "", "text", &field);
+  form.fields.push_back(field);
+  test::CreateTestFormField("Email", "email", "", "text", &field);
+  form.fields.push_back(field);
+  EXPECT_TRUE(FormCache::IsFormInteresting(form));
+}
+
+}  // namespace autofill