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// Copyright 2020 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "ui/base/clipboard/clipboard_data.h"
#include <memory>
#include <optional>
#include "testing/gtest/include/gtest/gtest.h"
#include "ui/base/clipboard/clipboard_util.h"
#include "ui/base/data_transfer_policy/data_transfer_endpoint.h"
#include "ui/gfx/image/image_unittest_util.h"
#include "url/gurl.h"
namespace ui {
// Tests that two ClipboardData objects won't be equal if they don't have the
// same bitmap.
TEST(ClipboardDataTest, BitmapTest) {
ClipboardData data1;
SkBitmap test_bitmap = gfx::test::CreateBitmap(3, 2);
data1.SetBitmapData(test_bitmap);
ClipboardData data2;
EXPECT_NE(data1, data2);
data2.SetBitmapData(test_bitmap);
EXPECT_EQ(data1, data2);
}
// Tests that two ClipboardData objects won't be equal if they don't have the
// same data source.
TEST(ClipboardDataTest, DataSrcTest) {
GURL url("https://www.example.com");
ClipboardData data1;
data1.set_source(std::make_optional<DataTransferEndpoint>(url));
ClipboardData data2;
EXPECT_NE(data1, data2);
data2.set_source(std::make_optional<DataTransferEndpoint>(url));
EXPECT_EQ(data1, data2);
}
TEST(ClipboardDataTest, Equivalence) {
ClipboardData data1;
SkBitmap test_bitmap1 = gfx::test::CreateBitmap(3, 2);
data1.SetBitmapData(test_bitmap1);
ClipboardData data2(data1);
// Clipboards are equivalent if they have matching bitmaps.
EXPECT_EQ(data1, data2);
EXPECT_TRUE(data1.GetBitmapIfPngNotEncoded().has_value());
EXPECT_TRUE(data2.GetBitmapIfPngNotEncoded().has_value());
// The PNGs have not yet been encoded.
EXPECT_EQ(data1.maybe_png(), std::nullopt);
EXPECT_EQ(data2.maybe_png(), std::nullopt);
// Encode the PNG of one of the clipboards.
auto png1 = clipboard_util::EncodeBitmapToPng(
data1.GetBitmapIfPngNotEncoded().value());
data1.SetPngDataAfterEncoding(png1);
// Comparing the clipboards when only one has an encoded PNG checks the cached
// bitmap. They should still be equal.
EXPECT_EQ(data1, data2);
// Put an already-encoded image on a clipboard.
ClipboardData data3;
data3.SetPngData(png1);
// Comparing a clipboard when one has only an encoded PNG and the other has
// only a bitmap fails, EVEN IF the bitmap would encode into the same PNG.
EXPECT_NE(data2, data3);
// Comparing clipboards with the same encoded PNG succeeds as expected.
EXPECT_EQ(data1, data3);
}
} // namespace ui
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