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// Copyright 2019 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/cursor/cursor.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "third_party/skia/include/core/SkBitmap.h"
#include "ui/base/cursor/mojom/cursor_type.mojom-shared.h"
#include "ui/gfx/geometry/point.h"
#include "ui/gfx/image/image_unittest_util.h"
#include "ui/gfx/skia_util.h"
namespace ui {
namespace {
using mojom::CursorType;
TEST(CursorTest, Null) {
Cursor cursor;
EXPECT_EQ(CursorType::kNull, cursor.type());
}
TEST(CursorTest, BasicType) {
Cursor cursor(CursorType::kPointer);
EXPECT_EQ(CursorType::kPointer, cursor.type());
Cursor copy(cursor);
EXPECT_EQ(cursor, copy);
}
TEST(CursorTest, CustomType) {
const SkBitmap kBitmap = gfx::test::CreateBitmap(/*size=*/10);
constexpr gfx::Point kHotspot = gfx::Point(5, 2);
constexpr float kScale = 2.0f;
const Cursor cursor = ui::Cursor::NewCustom(kBitmap, kHotspot, kScale);
EXPECT_EQ(CursorType::kCustom, cursor.type());
EXPECT_EQ(kBitmap.getGenerationID(),
cursor.custom_bitmap().getGenerationID());
EXPECT_TRUE(gfx::BitmapsAreEqual(kBitmap, cursor.custom_bitmap()));
EXPECT_EQ(kHotspot, cursor.custom_hotspot());
EXPECT_EQ(kScale, cursor.image_scale_factor());
Cursor copy(cursor);
EXPECT_EQ(cursor.custom_bitmap().getGenerationID(),
copy.custom_bitmap().getGenerationID());
EXPECT_TRUE(
gfx::BitmapsAreEqual(cursor.custom_bitmap(), copy.custom_bitmap()));
EXPECT_EQ(cursor, copy);
}
TEST(CursorTest, CustomTypeComparesBitmapPixels) {
const Cursor kCursor1 =
Cursor::NewCustom(gfx::test::CreateBitmap(/*size=*/10), gfx::Point());
const Cursor kCursor2 =
Cursor::NewCustom(gfx::test::CreateBitmap(/*size=*/10), gfx::Point());
EXPECT_NE(kCursor1.custom_bitmap().getGenerationID(),
kCursor2.custom_bitmap().getGenerationID());
EXPECT_TRUE(
gfx::BitmapsAreEqual(kCursor1.custom_bitmap(), kCursor2.custom_bitmap()));
EXPECT_EQ(kCursor1, kCursor2);
}
TEST(CursorTest, ClampHotspot) {
// Initialize a cursor with an invalid hotspot; it should be clamped.
const Cursor cursor =
Cursor::NewCustom(gfx::test::CreateBitmap(5, 7), gfx::Point(100, 100));
EXPECT_EQ(gfx::Point(4, 6), cursor.custom_hotspot());
}
} // namespace
} // namespace ui
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