// 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 "core/editing/EditingStyle.h"

#include "core/css/StylePropertySet.h"
#include "core/dom/Document.h"
#include "core/editing/EditingTestBase.h"
#include "core/html/HTMLBodyElement.h"
#include "core/html/HTMLDivElement.h"
#include "core/html/HTMLHeadElement.h"
#include "core/html/HTMLHtmlElement.h"

namespace blink {

class EditingStyleTest : public EditingTestBase {
};

TEST_F(EditingStyleTest, mergeInlineStyleOfElement)
{
    setBodyContent(
        "<span id=s1 style='--A:var(---B)'>1</span>"
        "<span id=s2 style='float:var(--C)'>2</span>");
    updateAllLifecyclePhases();

    EditingStyle* editingStyle = EditingStyle::create(
        toHTMLElement(document().getElementById("s2")));
    editingStyle->mergeInlineStyleOfElement(
        toHTMLElement(document().getElementById("s1")),
        EditingStyle::OverrideValues);

    EXPECT_FALSE(editingStyle->style()->hasProperty(CSSPropertyFloat))
        << "Don't merge a property with unresolved value";
    EXPECT_EQ(
        "var(---B)",
        editingStyle->style()->getPropertyValue(AtomicString("--A")))
        << "Keep unresolved value on merging style";
}

} // namespace blink