1 /*
2 * Copyright 2022 Google LLC
3 *
4 * Use of this source code is governed by a BSD-style license that can be
5 * found in the LICENSE file.
6 */
7
8 #include "include/core/SkData.h"
9 #include "include/core/SkFont.h"
10 #include "include/core/SkRefCnt.h"
11 #include "src/core/SkReadBuffer.h"
12 #include "src/core/SkStrike.h"
13 #include "src/core/SkStrikeCache.h"
14 #include "src/core/SkStrikeSpec.h"
15 #include "src/core/SkWriteBuffer.h"
16 #include "src/text/StrikeForGPU.h"
17 #include "tests/Test.h"
18
19 #include <cstdint>
20 #include <memory>
21 #include <optional>
22 #include <utility>
23
24 using namespace sktext;
25
DEF_TEST(SkStrikePromise_Basic,reporter)26 DEF_TEST(SkStrikePromise_Basic, reporter) {
27 auto strikeCache = std::make_unique<SkStrikeCache>();
28 auto [strikeSpec, _] = SkStrikeSpec::MakeCanonicalized(SkFont());
29
30 class Pinner : public ::SkStrikePinner {
31 public:
32 // Changing canDelete to return true causes this test to expectedly fail.
33 bool canDelete() override { return false; }
34 };
35
36 intptr_t toCompareWith;
37 sk_sp<SkData> data;
38
39 // Ensure that the ref in srcPromise is dropped.
40 {
41 // Make a strike with a Pinner.
42 auto strike = strikeCache->createStrike(strikeSpec, nullptr, std::make_unique<Pinner>());
43 toCompareWith = reinterpret_cast<intptr_t>(strike.get());
44 SkStrikePromise srcPromise(std::move(strike));
45 SkBinaryWriteBuffer writeBuffer;
46 srcPromise.flatten(writeBuffer);
47 data = writeBuffer.snapshotAsData();
48 }
49
50 // Remove all unpinned strikes.
51 strikeCache->purgeAll();
52
53 SkReadBuffer readBuffer{data->data(), data->size()};
54 std::optional<SkStrikePromise> dstPromise = SkStrikePromise::MakeFromBuffer(
55 readBuffer, nullptr, strikeCache.get());
56
57 REPORTER_ASSERT(reporter, dstPromise.has_value());
58 REPORTER_ASSERT(reporter,
59 reinterpret_cast<intptr_t>(dstPromise->strike()) == toCompareWith);
60 }
61