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// Copyright (c) 2009 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "base/pickle.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "third_party/WebKit/WebKit/chromium/public/WebCursorInfo.h"
#include "webkit/glue/webcursor.h"
#include "webkit/tools/test_shell/test_shell_test.h"
using WebKit::WebCursorInfo;
TEST(WebCursorTest, CursorSerialization) {
WebCursor custom_cursor;
// This is a valid custom cursor.
Pickle ok_custom_pickle;
// Type and hotspots.
ok_custom_pickle.WriteInt(0);
ok_custom_pickle.WriteInt(0);
ok_custom_pickle.WriteInt(0);
// X & Y
ok_custom_pickle.WriteInt(1);
ok_custom_pickle.WriteInt(1);
// Data len including enough data for a 1x1 image.
ok_custom_pickle.WriteInt(4);
ok_custom_pickle.WriteUInt32(0);
// Custom Windows message.
ok_custom_pickle.WriteUInt32(0);
void* iter = NULL;
EXPECT_TRUE(custom_cursor.Deserialize(&ok_custom_pickle, &iter));
// This custom cursor has not been send with enough data.
Pickle short_custom_pickle;
// Type and hotspots.
short_custom_pickle.WriteInt(0);
short_custom_pickle.WriteInt(0);
short_custom_pickle.WriteInt(0);
// X & Y
short_custom_pickle.WriteInt(1);
short_custom_pickle.WriteInt(1);
// Data len not including enough data for a 1x1 image.
short_custom_pickle.WriteInt(3);
short_custom_pickle.WriteUInt32(0);
// Custom Windows message.
ok_custom_pickle.WriteUInt32(0);
iter = NULL;
EXPECT_FALSE(custom_cursor.Deserialize(&short_custom_pickle, &iter));
// This custom cursor has enough data but is too big.
Pickle large_custom_pickle;
// Type and hotspots.
large_custom_pickle.WriteInt(0);
large_custom_pickle.WriteInt(0);
large_custom_pickle.WriteInt(0);
// X & Y
static const int kTooBigSize = 4096 + 1;
large_custom_pickle.WriteInt(kTooBigSize);
large_custom_pickle.WriteInt(1);
// Data len including enough data for a 4097x1 image.
large_custom_pickle.WriteInt(kTooBigSize * 4);
for (int i = 0; i < kTooBigSize; ++i)
large_custom_pickle.WriteUInt32(0);
// Custom Windows message.
ok_custom_pickle.WriteUInt32(0);
iter = NULL;
EXPECT_FALSE(custom_cursor.Deserialize(&large_custom_pickle, &iter));
// This custom cursor uses negative lengths.
Pickle neg_custom_pickle;
// Type and hotspots.
neg_custom_pickle.WriteInt(0);
neg_custom_pickle.WriteInt(0);
neg_custom_pickle.WriteInt(0);
// X & Y
neg_custom_pickle.WriteInt(-1);
neg_custom_pickle.WriteInt(-1);
// Data len including enough data for a 1x1 image.
neg_custom_pickle.WriteInt(4);
neg_custom_pickle.WriteUInt32(0);
// Custom Windows message.
neg_custom_pickle.WriteUInt32(0);
iter = NULL;
EXPECT_FALSE(custom_cursor.Deserialize(&neg_custom_pickle, &iter));
}
TEST(WebCursorTest, ClampHotspot) {
WebCursor custom_cursor;
// This is a valid custom cursor.
Pickle ok_custom_pickle;
// Type and hotspots.
ok_custom_pickle.WriteInt(WebCursorInfo::TypeCustom);
// Hotspot is invalid --- outside the bounds of the image.
ok_custom_pickle.WriteInt(5);
ok_custom_pickle.WriteInt(5);
// X & Y
ok_custom_pickle.WriteInt(2);
ok_custom_pickle.WriteInt(2);
// Data len including enough data for a 2x2 image.
ok_custom_pickle.WriteInt(4 * 4);
for (size_t i = 0; i < 4; i++)
ok_custom_pickle.WriteUInt32(0);
// Custom Windows message.
ok_custom_pickle.WriteUInt32(0);
void* iter = NULL;
ASSERT_TRUE(custom_cursor.Deserialize(&ok_custom_pickle, &iter));
// Convert to WebCursorInfo, make sure the hotspot got clamped.
WebCursorInfo info;
custom_cursor.GetCursorInfo(&info);
EXPECT_EQ(gfx::Point(1, 1), gfx::Point(info.hotSpot));
// Set hotspot to an invalid point again, pipe back through WebCursor,
// and make sure the hotspot got clamped again.
info.hotSpot = gfx::Point(-1, -1);
custom_cursor.InitFromCursorInfo(info);
custom_cursor.GetCursorInfo(&info);
EXPECT_EQ(gfx::Point(0, 0), gfx::Point(info.hotSpot));
}
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