/*
 * barrier -- mouse and keyboard sharing utility
 * Copyright (C) 2012-2016 Symless Ltd.
 * Copyright (C) 2011 Nick Bolton
 *
 * This package is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * found in the file LICENSE that should have accompanied this file.
 *
 * This package is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

#include "platform/MSWindowsClipboard.h"
#include "platform/IMSWindowsClipboardFacade.h"

#include "test/global/gmock.h"
#include "test/global/gtest.h"

class MSWindowsClipboardTests : public ::testing::Test
{
protected:
    virtual void SetUp()
    {
        emptyClipboard();
    }

    virtual void TearDown()
    {
        emptyClipboard();
    }

private:
    void emptyClipboard()
    {
        MSWindowsClipboard clipboard(NULL);
        clipboard.open(0);
        clipboard.empty();
    }
};

class MockFacade : public IMSWindowsClipboardFacade
{
public:
    MOCK_METHOD2(write, void(HANDLE, UINT));
};

TEST_F(MSWindowsClipboardTests, emptyUnowned_openCalled_returnsTrue)
{
    MSWindowsClipboard clipboard(NULL);
    clipboard.open(0);

    bool actual = clipboard.emptyUnowned();

    EXPECT_EQ(true, actual);
}

TEST_F(MSWindowsClipboardTests, empty_openCalled_returnsTrue)
{
    MSWindowsClipboard clipboard(NULL);
    clipboard.open(0);

    bool actual = clipboard.empty();

    EXPECT_EQ(true, actual);
}

TEST_F(MSWindowsClipboardTests, empty_singleFormat_hasReturnsFalse)
{
    MSWindowsClipboard clipboard(NULL);
    clipboard.open(0);
    clipboard.add(MSWindowsClipboard::kText, "barrier rocks!");

    clipboard.empty();

    bool actual = clipboard.has(MSWindowsClipboard::kText);
    EXPECT_EQ(false, actual);
}

TEST_F(MSWindowsClipboardTests, add_newValue_valueWasStored)
{
    MSWindowsClipboard clipboard(NULL);
    clipboard.open(0);

    clipboard.add(IClipboard::kText, "barrier rocks!");

    String actual = clipboard.get(IClipboard::kText);
    EXPECT_EQ("barrier rocks!", actual);
}

TEST_F(MSWindowsClipboardTests, add_newValue_writeWasCalled)
{
    MockFacade facade;
    EXPECT_CALL(facade, write(testing::_, testing::_));

    MSWindowsClipboard clipboard(NULL);
    clipboard.setFacade(facade);
    clipboard.open(0);

    clipboard.add(IClipboard::kText, "barrier rocks!");
}

TEST_F(MSWindowsClipboardTests, add_replaceValue_valueWasReplaced)
{
    MSWindowsClipboard clipboard(NULL);
    clipboard.open(0);

    clipboard.add(IClipboard::kText, "barrier rocks!");
    clipboard.add(IClipboard::kText, "maxivista sucks"); // haha, just kidding.

    String actual = clipboard.get(IClipboard::kText);
    EXPECT_EQ("maxivista sucks", actual);
}

TEST_F(MSWindowsClipboardTests, open_timeIsZero_returnsTrue)
{
    MSWindowsClipboard clipboard(NULL);

    bool actual = clipboard.open(0);

    EXPECT_EQ(true, actual);
}

TEST_F(MSWindowsClipboardTests, open_timeIsOne_returnsTrue)
{
    MSWindowsClipboard clipboard(NULL);

    bool actual = clipboard.open(1);

    EXPECT_EQ(true, actual);
}

TEST_F(MSWindowsClipboardTests, close_isOpen_noErrors)
{
    MSWindowsClipboard clipboard(NULL);
    clipboard.open(0);

    clipboard.close();

    // can't assert anything
}

// looks like this test may fail intermittently:
// * http://buildbot.symless.com:8000/builders/trunk-win32/builds/246/steps/shell_3/logs/stdio
/*TEST_F(MSWindowsClipboardTests, getTime_openWithNoEmpty_returnsOne)
{
    MSWindowsClipboard clipboard(NULL);
    clipboard.open(1);

    MSWindowsClipboard::Time actual = clipboard.getTime();

    // this behavior is different to that of Clipboard which only
    // returns the value passed into open(t) after empty() is called.
    EXPECT_EQ(1, actual);
}*/

// this also fails intermittently:
// http://buildbot.symless.com:8000/builders/trunk-win32/builds/266/steps/shell_3/logs/stdio
/*TEST_F(MSWindowsClipboardTests, getTime_openAndEmpty_returnsOne)
{
    MSWindowsClipboard clipboard(NULL);
    clipboard.open(1);
    clipboard.empty();

    MSWindowsClipboard::Time actual = clipboard.getTime();

    EXPECT_EQ(1, actual);
}*/

TEST_F(MSWindowsClipboardTests, has_withFormatAdded_returnsTrue)
{
    MSWindowsClipboard clipboard(NULL);
    clipboard.open(0);
    clipboard.empty();
    clipboard.add(IClipboard::kText, "barrier rocks!");

    bool actual = clipboard.has(IClipboard::kText);

    EXPECT_EQ(true, actual);
}

TEST_F(MSWindowsClipboardTests, has_withNoFormats_returnsFalse)
{
    MSWindowsClipboard clipboard(NULL);
    clipboard.open(0);
    clipboard.empty();

    bool actual = clipboard.has(IClipboard::kText);

    EXPECT_EQ(false, actual);
}

TEST_F(MSWindowsClipboardTests, get_withNoFormats_returnsEmpty)
{
    MSWindowsClipboard clipboard(NULL);
    clipboard.open(0);
    clipboard.empty();

    String actual = clipboard.get(IClipboard::kText);

    EXPECT_EQ("", actual);
}

TEST_F(MSWindowsClipboardTests, get_withFormatAdded_returnsExpected)
{
    MSWindowsClipboard clipboard(NULL);
    clipboard.open(0);
    clipboard.empty();
    clipboard.add(IClipboard::kText, "barrier rocks!");

    String actual = clipboard.get(IClipboard::kText);

    EXPECT_EQ("barrier rocks!", actual);
}

TEST_F(MSWindowsClipboardTests, isOwnedByBarrier_defaultState_noError)
{
    MSWindowsClipboard clipboard(NULL);
    clipboard.open(0);

    bool actual = clipboard.isOwnedByBarrier();

    EXPECT_EQ(true, actual);
}
