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      1 // Copyright 2014 The Chromium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 #include "config.h"
      6 #include "core/html/HTMLSelectElement.h"
      7 
      8 #include "core/frame/FrameView.h"
      9 #include "core/html/HTMLDocument.h"
     10 #include "core/html/forms/FormController.h"
     11 #include "core/loader/EmptyClients.h"
     12 #include "core/testing/DummyPageHolder.h"
     13 #include <gtest/gtest.h>
     14 
     15 namespace blink {
     16 
     17 class HTMLSelectElementTest : public::testing::Test {
     18 protected:
     19     virtual void SetUp() OVERRIDE;
     20     HTMLDocument& document() const { return *m_document; }
     21 
     22 private:
     23     OwnPtr<DummyPageHolder> m_dummyPageHolder;
     24     RefPtrWillBePersistent<HTMLDocument> m_document;
     25 };
     26 
     27 void HTMLSelectElementTest::SetUp()
     28 {
     29     Page::PageClients pageClients;
     30     fillWithEmptyClients(pageClients);
     31     m_dummyPageHolder = DummyPageHolder::create(IntSize(800, 600), &pageClients);
     32 
     33     m_document = toHTMLDocument(&m_dummyPageHolder->document());
     34     m_document->setMimeType("text/html");
     35     m_document->setCharset("utf-8");
     36 }
     37 
     38 TEST_F(HTMLSelectElementTest, SaveRestoreSelectSingleFormControlState)
     39 {
     40     document().documentElement()->setInnerHTML(String("<!DOCTYPE HTML><select id='sel'>"
     41         "<option value='111' id='0'>111</option>"
     42         "<option value='222'>222</option>"
     43         "<option value='111' selected id='2'>!666</option>"
     44         "<option value='999'>999</option></select>"), ASSERT_NO_EXCEPTION);
     45     document().view()->updateLayoutAndStyleIfNeededRecursive();
     46     Element* element = document().getElementById("sel");
     47     HTMLFormControlElementWithState* select = toHTMLSelectElement(element);
     48     HTMLOptionElement* opt0 = toHTMLOptionElement(document().getElementById("0"));
     49     HTMLOptionElement* opt2 = toHTMLOptionElement(document().getElementById("2"));
     50 
     51     // Save the select element state, and then restore again.
     52     // Test passes if the restored state is not changed.
     53     EXPECT_EQ(2, toHTMLSelectElement(element)->selectedIndex());
     54     EXPECT_FALSE(opt0->selected());
     55     EXPECT_TRUE(opt2->selected());
     56     FormControlState selectState = select->saveFormControlState();
     57     EXPECT_EQ(2U, selectState.valueSize());
     58 
     59     // Clear the selected state, to be restored by restoreFormControlState.
     60     toHTMLSelectElement(select)->setSelectedIndex(-1);
     61     ASSERT_FALSE(opt2->selected());
     62 
     63     // Restore
     64     select->restoreFormControlState(selectState);
     65     EXPECT_EQ(2, toHTMLSelectElement(element)->selectedIndex());
     66     EXPECT_FALSE(opt0->selected());
     67     EXPECT_TRUE(opt2->selected());
     68 }
     69 
     70 TEST_F(HTMLSelectElementTest, SaveRestoreSelectMultipleFormControlState)
     71 {
     72     document().documentElement()->setInnerHTML(String("<!DOCTYPE HTML><select id='sel' multiple>"
     73         "<option value='111' id='0'>111</option>"
     74         "<option value='222'>222</option>"
     75         "<option value='111' selected id='2'>!666</option>"
     76         "<option value='999' selected id='3'>999</option></select>"), ASSERT_NO_EXCEPTION);
     77     document().view()->updateLayoutAndStyleIfNeededRecursive();
     78     HTMLFormControlElementWithState* select = toHTMLSelectElement(document().getElementById("sel"));
     79 
     80     HTMLOptionElement* opt0 = toHTMLOptionElement(document().getElementById("0"));
     81     HTMLOptionElement* opt2 = toHTMLOptionElement(document().getElementById("2"));
     82     HTMLOptionElement* opt3 = toHTMLOptionElement(document().getElementById("3"));
     83 
     84     // Save the select element state, and then restore again.
     85     // Test passes if the selected options are not changed.
     86     EXPECT_FALSE(opt0->selected());
     87     EXPECT_TRUE(opt2->selected());
     88     EXPECT_TRUE(opt3->selected());
     89     FormControlState selectState = select->saveFormControlState();
     90     EXPECT_EQ(4U, selectState.valueSize());
     91 
     92     // Clear the selected state, to be restored by restoreFormControlState.
     93     opt2->setSelected(false);
     94     opt3->setSelected(false);
     95     ASSERT_FALSE(opt2->selected());
     96     ASSERT_FALSE(opt3->selected());
     97 
     98     // Restore
     99     select->restoreFormControlState(selectState);
    100     EXPECT_FALSE(opt0->selected());
    101     EXPECT_TRUE(opt2->selected());
    102     EXPECT_TRUE(opt3->selected());
    103 }
    104 
    105 } // namespace blink
    106