Move filtering logic in GetDataListSuggestions() to Blink.

third_party/WebKit/Source/web/WebInputElementTest.cpp

+// Copyright 2016 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 "public/web/WebInputElement.h"
+
+#include "core/html/HTMLInputElement.h"
+#include "core/testing/DummyPageHolder.h"
+#include "public/web/WebOptionElement.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+namespace blink {
+
+class WebInputElementTest : public testing::Test {
+protected:
+    Document& document() { return m_pageHolder->document(); }
+    WebInputElement testElement()
+    {
+        Element* element = document().getElementById("test");
+        DCHECK(element);
+        return WebInputElement(toHTMLInputElement(element));
+    }
+
+private:
+    void SetUp() override
+    {
+        m_pageHolder = DummyPageHolder::create(IntSize(800, 600));
+    }
+
+    std::unique_ptr<DummyPageHolder> m_pageHolder;

[vabr (Chromium), 2016/07/25 13:59:53]

nit: #include <memory> for the unique_ptr?

+};
+
+TEST_F(WebInputElementTest, FilteredDataListOptionsNoList)
+{
+    document().documentElement()->setInnerHTML("<input id=test>", ASSERT_NO_EXCEPTION);
+    EXPECT_TRUE(testElement().filteredDataListOptions().isEmpty());
+
+    document().documentElement()->setInnerHTML("<input id=test list=dl1><datalist id=dl1></datalist>", ASSERT_NO_EXCEPTION);
+    EXPECT_TRUE(testElement().filteredDataListOptions().isEmpty());
+}
+
+TEST_F(WebInputElementTest, FilteredDataListOptionsPrefixed)
+{
+    document().documentElement()->setInnerHTML(
+        "<input id=test value=ABC list=dl2>"
+        "<datalist id=dl2>"
+        "<option>AbC DEF</option>"
+        "<option>VAX</option>"
+        "<option value=ghi>abc</option>"
+        "</datalist>", ASSERT_NO_EXCEPTION);
+    auto options = testElement().filteredDataListOptions();
+    EXPECT_EQ(1u, options.size());
+    EXPECT_EQ("AbC DEF", options[0].value().utf8());
+}
+
+TEST_F(WebInputElementTest, FilteredDataListOptionsForMultipleEmail)
+{
+    document().documentElement()->setInnerHTML(
+        "<input id=test value='foo@example.com, tkent' list=dl3 type=email multiple>"
+        "<datalist id=dl3>"
+        "<option>keishi@chromium.org</option>"
+        "<option>tkent@chromium.org</option>"
+        "</datalist>", ASSERT_NO_EXCEPTION);
+    auto options = testElement().filteredDataListOptions();
+    EXPECT_EQ(1u, options.size());
+    EXPECT_EQ("tkent@chromium.org", options[0].value().utf8());
+}
+
+} // namespace blink
+