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// Copyright 2016 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "third_party/blink/renderer/platform/graphics/paint/paint_chunk.h"
#include <optional>
#include "testing/gtest/include/gtest/gtest.h"
#include "third_party/blink/renderer/platform/heap/garbage_collected.h"
#include "third_party/blink/renderer/platform/testing/fake_display_item_client.h"
namespace blink {
TEST(PaintChunkTest, MatchesSame) {
auto properties = PropertyTreeState::Root();
FakeDisplayItemClient& client =
*MakeGarbageCollected<FakeDisplayItemClient>();
client.Validate();
DisplayItem::Id id(client.Id(), DisplayItem::kDrawingFirst);
EXPECT_TRUE(PaintChunk(0, 1, client, id, properties)
.Matches(PaintChunk(0, 1, client, id, properties)));
}
TEST(PaintChunkTest, MatchesEqual) {
auto properties = PropertyTreeState::Root();
FakeDisplayItemClient& client =
*MakeGarbageCollected<FakeDisplayItemClient>();
client.Validate();
DisplayItem::Id id(client.Id(), DisplayItem::kDrawingFirst);
DisplayItem::Id id_equal = id;
EXPECT_TRUE(PaintChunk(0, 1, client, id, properties)
.Matches(PaintChunk(0, 1, client, id_equal, properties)));
EXPECT_TRUE(PaintChunk(0, 1, client, id_equal, properties)
.Matches(PaintChunk(0, 1, client, id, properties)));
}
TEST(PaintChunkTest, IdNotMatches) {
auto properties = PropertyTreeState::Root();
FakeDisplayItemClient& client1 =
*MakeGarbageCollected<FakeDisplayItemClient>();
client1.Validate();
DisplayItem::Id id1(client1.Id(), DisplayItem::kDrawingFirst);
FakeDisplayItemClient& client2 =
*MakeGarbageCollected<FakeDisplayItemClient>();
client2.Validate();
DisplayItem::Id id2(client2.Id(), DisplayItem::kDrawingFirst);
EXPECT_FALSE(PaintChunk(0, 1, client2, id2, properties)
.Matches(PaintChunk(0, 1, client1, id1, properties)));
}
TEST(PaintChunkTest, IdNotMatchesUncacheable) {
auto properties = PropertyTreeState::Root();
FakeDisplayItemClient& client =
*MakeGarbageCollected<FakeDisplayItemClient>();
client.Invalidate(PaintInvalidationReason::kUncacheable);
DisplayItem::Id id(client.Id(), DisplayItem::kDrawingFirst);
EXPECT_FALSE(PaintChunk(0, 1, client, id, properties)
.Matches(PaintChunk(0, 1, client, id, properties)));
}
TEST(PaintChunkTest, IdNotMatchesJustCreated) {
auto properties = PropertyTreeState::Root();
FakeDisplayItemClient* client = MakeGarbageCollected<FakeDisplayItemClient>();
EXPECT_TRUE(client->IsJustCreated());
// Invalidation won't change the "just created" status.
client->Invalidate();
EXPECT_TRUE(client->IsJustCreated());
DisplayItem::Id id(client->Id(), DisplayItem::kDrawingFirst);
// A chunk of a newly created client doesn't match any chunk because it's
// never cached.
EXPECT_FALSE(PaintChunk(0, 1, *client, id, properties)
.Matches(PaintChunk(0, 1, *client, id, properties)));
client->Validate();
EXPECT_TRUE(PaintChunk(0, 1, *client, id, properties)
.Matches(PaintChunk(0, 1, *client, id, properties)));
// Delete the current object and create a new object at the same address.
client = MakeGarbageCollected<FakeDisplayItemClient>();
EXPECT_TRUE(client->IsJustCreated());
EXPECT_FALSE(PaintChunk(0, 1, *client, id, properties)
.Matches(PaintChunk(0, 1, *client, id, properties)));
}
} // namespace blink
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