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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/x/x11_cursor_loader.h"
#undef Bool
#include "base/containers/span.h"
#include "base/memory/ref_counted_memory.h"
#include "base/numerics/byte_conversions.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace ui {
namespace {
std::vector<XCursorLoader::Image> ParseFile(base::span<const uint32_t> data,
uint32_t preferred_size) {
std::vector<uint8_t> vec(data.size() * 4u);
for (size_t i = 0; i < data.size(); ++i) {
auto bytes = base::span(vec).subspan(i * 4u).first<4u>();
bytes.copy_from(base::U32ToLittleEndian(data[i]));
}
return ParseCursorFile(
base::MakeRefCounted<base::RefCountedBytes>(std::move(vec)),
preferred_size);
}
} // namespace
TEST(XCursorLoaderTest, Basic) {
std::vector<uint32_t> file{
// magic number
0x72756358,
// bytes in header
28,
// version
1,
// number of TOC entries
1,
// type (image)
0xfffd0002,
// subtype (image size)
1,
// position
28,
// bytes in header
16,
// chunk type (image)
0xfffd0002,
// chunk subtype (image size)
1,
// chunk type version
1,
// image width
1,
// image height
1,
// xhot
1234,
// yhot
5678,
// delay
123,
// chunk data (ARGB image)
0xff123456,
};
auto images = ParseFile(file, 1);
ASSERT_EQ(images.size(), 1ul);
EXPECT_EQ(images[0].frame_delay.InMilliseconds(), 123);
EXPECT_EQ(images[0].bitmap.width(), 1);
EXPECT_EQ(images[0].bitmap.height(), 1);
EXPECT_EQ(images[0].hotspot.x(), 1234);
EXPECT_EQ(images[0].hotspot.y(), 5678);
EXPECT_EQ(images[0].bitmap.getColor(0, 0), 0xff123456);
}
TEST(XCursorLoaderTest, BestSize) {
std::vector<uint32_t> file{
// magic number
0x72756358,
// bytes in header
28,
// version
1,
// number of TOC entries
3,
// type (image)
0xfffd0002,
// subtype (image size)
1,
// position
52,
// type (image)
0xfffd0002,
// subtype (image size)
2,
// position
92,
// type (image)
0xfffd0002,
// subtype (image size)
3,
// position
144,
// bytes in header
16,
// chunk type (image)
0xfffd0002,
// chunk subtype (image size)
1,
// chunk type version
1,
// image width
1,
// image height
1,
// xhot
0,
// yhot
0,
// delay
0,
// chunk data (ARGB image)
0xffffffff,
// bytes in header
16,
// chunk type (image)
0xfffd0002,
// chunk subtype (image size)
2,
// chunk type version
1,
// image width
2,
// image height
2,
// xhot
0,
// yhot
0,
// delay
0,
// chunk data (ARGB image)
0xffffffff,
0xffffffff,
0xffffffff,
0xffffffff,
// bytes in header
16,
// chunk type (image)
0xfffd0002,
// chunk subtype (image size)
3,
// chunk type version
1,
// image width
3,
// image height
3,
// xhot
0,
// yhot
0,
// delay
0,
// chunk data (ARGB image)
0xffffffff,
0xffffffff,
0xffffffff,
0xffffffff,
0xffffffff,
0xffffffff,
0xffffffff,
0xffffffff,
0xffffffff,
};
auto images = ParseFile(file, 2);
ASSERT_EQ(images.size(), 1ul);
EXPECT_EQ(images[0].bitmap.width(), 2);
EXPECT_EQ(images[0].bitmap.height(), 2);
}
TEST(XCursorLoaderTest, Animated) {
std::vector<uint32_t> file{
// magic number
0x72756358,
// bytes in header
28,
// version
1,
// number of TOC entries
2,
// type (image)
0xfffd0002,
// subtype (image size)
1,
// position
40,
// type (image)
0xfffd0002,
// subtype (image size)
1,
// position
80,
// bytes in header
16,
// chunk type (image)
0xfffd0002,
// chunk subtype (image size)
1,
// chunk type version
1,
// image width
1,
// image height
1,
// xhot
0,
// yhot
0,
// delay
500,
// chunk data (ARGB image)
0xff123456,
// bytes in header
16,
// chunk type (image)
0xfffd0002,
// chunk subtype (image size)
1,
// chunk type version
1,
// image width
1,
// image height
1,
// xhot
0,
// yhot
0,
// delay
500,
// chunk data (ARGB image)
0xff123456,
};
auto images = ParseFile(file, 1);
ASSERT_EQ(images.size(), 2ul);
EXPECT_EQ(images[0].frame_delay.InMilliseconds(), 500);
EXPECT_EQ(images[1].frame_delay.InMilliseconds(), 500);
}
} // namespace ui
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