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- /*
- * Copyright 2011 Google Inc.
- *
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
- #include "include/core/SkData.h"
- #include "include/core/SkDataTable.h"
- #include "include/core/SkRWBuffer.h"
- #include "include/core/SkRefCnt.h"
- #include "include/core/SkStream.h"
- #include "include/core/SkString.h"
- #include "include/core/SkTypes.h"
- #include "include/private/SkTArray.h"
- #include "include/private/SkTemplates.h"
- #include "src/core/SkOSFile.h"
- #include "src/core/SkTaskGroup.h"
- #include "src/utils/SkOSPath.h"
- #include "tests/Test.h"
- #include <cstdio>
- #include <cstring>
- #include <memory>
- static void test_is_equal(skiatest::Reporter* reporter,
- const SkDataTable* a, const SkDataTable* b) {
- REPORTER_ASSERT(reporter, a->count() == b->count());
- for (int i = 0; i < a->count(); ++i) {
- size_t sizea, sizeb;
- const void* mema = a->at(i, &sizea);
- const void* memb = b->at(i, &sizeb);
- REPORTER_ASSERT(reporter, sizea == sizeb);
- REPORTER_ASSERT(reporter, !memcmp(mema, memb, sizea));
- }
- }
- static void test_datatable_is_empty(skiatest::Reporter* reporter, SkDataTable* table) {
- REPORTER_ASSERT(reporter, table->isEmpty());
- REPORTER_ASSERT(reporter, 0 == table->count());
- }
- static void test_emptytable(skiatest::Reporter* reporter) {
- sk_sp<SkDataTable> table0(SkDataTable::MakeEmpty());
- sk_sp<SkDataTable> table1(SkDataTable::MakeCopyArrays(nullptr, nullptr, 0));
- sk_sp<SkDataTable> table2(SkDataTable::MakeCopyArray(nullptr, 0, 0));
- sk_sp<SkDataTable> table3(SkDataTable::MakeArrayProc(nullptr, 0, 0, nullptr, nullptr));
- test_datatable_is_empty(reporter, table0.get());
- test_datatable_is_empty(reporter, table1.get());
- test_datatable_is_empty(reporter, table2.get());
- test_datatable_is_empty(reporter, table3.get());
- test_is_equal(reporter, table0.get(), table1.get());
- test_is_equal(reporter, table0.get(), table2.get());
- test_is_equal(reporter, table0.get(), table3.get());
- }
- static void test_simpletable(skiatest::Reporter* reporter) {
- const int idata[] = { 1, 4, 9, 16, 25, 63 };
- int icount = SK_ARRAY_COUNT(idata);
- sk_sp<SkDataTable> itable(SkDataTable::MakeCopyArray(idata, sizeof(idata[0]), icount));
- REPORTER_ASSERT(reporter, itable->count() == icount);
- for (int i = 0; i < icount; ++i) {
- size_t size;
- REPORTER_ASSERT(reporter, sizeof(int) == itable->atSize(i));
- REPORTER_ASSERT(reporter, *itable->atT<int>(i, &size) == idata[i]);
- REPORTER_ASSERT(reporter, sizeof(int) == size);
- }
- }
- static void test_vartable(skiatest::Reporter* reporter) {
- const char* str[] = {
- "", "a", "be", "see", "deigh", "ef", "ggggggggggggggggggggggggggg"
- };
- int count = SK_ARRAY_COUNT(str);
- size_t sizes[SK_ARRAY_COUNT(str)];
- for (int i = 0; i < count; ++i) {
- sizes[i] = strlen(str[i]) + 1;
- }
- sk_sp<SkDataTable> table(SkDataTable::MakeCopyArrays((const void*const*)str, sizes, count));
- REPORTER_ASSERT(reporter, table->count() == count);
- for (int i = 0; i < count; ++i) {
- size_t size;
- REPORTER_ASSERT(reporter, table->atSize(i) == sizes[i]);
- REPORTER_ASSERT(reporter, !strcmp(table->atT<const char>(i, &size),
- str[i]));
- REPORTER_ASSERT(reporter, size == sizes[i]);
- const char* s = table->atStr(i);
- REPORTER_ASSERT(reporter, strlen(s) == strlen(str[i]));
- }
- }
- static void test_globaltable(skiatest::Reporter* reporter) {
- static const int gData[] = {
- 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15
- };
- int count = SK_ARRAY_COUNT(gData);
- sk_sp<SkDataTable> table(
- SkDataTable::MakeArrayProc(gData, sizeof(gData[0]), count, nullptr, nullptr));
- REPORTER_ASSERT(reporter, table->count() == count);
- for (int i = 0; i < count; ++i) {
- size_t size;
- REPORTER_ASSERT(reporter, table->atSize(i) == sizeof(int));
- REPORTER_ASSERT(reporter, *table->atT<const char>(i, &size) == i);
- REPORTER_ASSERT(reporter, sizeof(int) == size);
- }
- }
- DEF_TEST(DataTable, reporter) {
- test_emptytable(reporter);
- test_simpletable(reporter);
- test_vartable(reporter);
- test_globaltable(reporter);
- }
- static void* gGlobal;
- static void delete_int_proc(const void* ptr, void* context) {
- int* data = (int*)ptr;
- SkASSERT(context == gGlobal);
- delete[] data;
- }
- static void assert_len(skiatest::Reporter* reporter, const sk_sp<SkData>& ref, size_t len) {
- REPORTER_ASSERT(reporter, ref->size() == len);
- }
- static void assert_data(skiatest::Reporter* reporter, const sk_sp<SkData>& ref,
- const void* data, size_t len) {
- REPORTER_ASSERT(reporter, ref->size() == len);
- REPORTER_ASSERT(reporter, !memcmp(ref->data(), data, len));
- }
- static void test_cstring(skiatest::Reporter* reporter) {
- const char str[] = "Hello world";
- size_t len = strlen(str);
- sk_sp<SkData> r0(SkData::MakeWithCopy(str, len + 1));
- sk_sp<SkData> r1(SkData::MakeWithCString(str));
- REPORTER_ASSERT(reporter, r0->equals(r1.get()));
- sk_sp<SkData> r2(SkData::MakeWithCString(nullptr));
- REPORTER_ASSERT(reporter, 1 == r2->size());
- REPORTER_ASSERT(reporter, 0 == *r2->bytes());
- }
- static void test_files(skiatest::Reporter* reporter) {
- SkString tmpDir = skiatest::GetTmpDir();
- if (tmpDir.isEmpty()) {
- return;
- }
- SkString path = SkOSPath::Join(tmpDir.c_str(), "data_test");
- const char s[] = "abcdefghijklmnopqrstuvwxyz";
- {
- SkFILEWStream writer(path.c_str());
- if (!writer.isValid()) {
- ERRORF(reporter, "Failed to create tmp file %s\n", path.c_str());
- return;
- }
- writer.write(s, 26);
- }
- FILE* file = sk_fopen(path.c_str(), kRead_SkFILE_Flag);
- sk_sp<SkData> r1(SkData::MakeFromFILE(file));
- REPORTER_ASSERT(reporter, r1.get() != nullptr);
- REPORTER_ASSERT(reporter, r1->size() == 26);
- REPORTER_ASSERT(reporter, strncmp(static_cast<const char*>(r1->data()), s, 26) == 0);
- int fd = sk_fileno(file);
- sk_sp<SkData> r2(SkData::MakeFromFD(fd));
- REPORTER_ASSERT(reporter, r2.get() != nullptr);
- REPORTER_ASSERT(reporter, r2->size() == 26);
- REPORTER_ASSERT(reporter, strncmp(static_cast<const char*>(r2->data()), s, 26) == 0);
- }
- DEF_TEST(Data, reporter) {
- const char* str = "We the people, in order to form a more perfect union.";
- const int N = 10;
- sk_sp<SkData> r0(SkData::MakeEmpty());
- sk_sp<SkData> r1(SkData::MakeWithCopy(str, strlen(str)));
- sk_sp<SkData> r2(SkData::MakeWithProc(new int[N], N*sizeof(int), delete_int_proc, gGlobal));
- sk_sp<SkData> r3(SkData::MakeSubset(r1.get(), 7, 6));
- assert_len(reporter, r0, 0);
- assert_len(reporter, r1, strlen(str));
- assert_len(reporter, r2, N * sizeof(int));
- assert_len(reporter, r3, 6);
- assert_data(reporter, r1, str, strlen(str));
- assert_data(reporter, r3, "people", 6);
- sk_sp<SkData> tmp(SkData::MakeSubset(r1.get(), strlen(str), 10));
- assert_len(reporter, tmp, 0);
- tmp = SkData::MakeSubset(r1.get(), 0, 0);
- assert_len(reporter, tmp, 0);
- test_cstring(reporter);
- test_files(reporter);
- }
- ///////////////////////////////////////////////////////////////////////////////////////////////////
- const char gABC[] = "abcdefghijklmnopqrstuvwxyz";
- static void check_abcs(skiatest::Reporter* reporter, const char buffer[], size_t size) {
- REPORTER_ASSERT(reporter, size % 26 == 0);
- for (size_t offset = 0; offset < size; offset += 26) {
- REPORTER_ASSERT(reporter, !memcmp(&buffer[offset], gABC, 26));
- }
- }
- // stream should contain an integral number of copies of gABC.
- static void check_alphabet_stream(skiatest::Reporter* reporter, SkStream* stream) {
- REPORTER_ASSERT(reporter, stream->hasLength());
- size_t size = stream->getLength();
- REPORTER_ASSERT(reporter, size % 26 == 0);
- SkAutoTMalloc<char> storage(size);
- char* array = storage.get();
- size_t bytesRead = stream->read(array, size);
- REPORTER_ASSERT(reporter, bytesRead == size);
- check_abcs(reporter, array, size);
- // try checking backwards
- for (size_t offset = size; offset > 0; offset -= 26) {
- REPORTER_ASSERT(reporter, stream->seek(offset - 26));
- REPORTER_ASSERT(reporter, stream->getPosition() == offset - 26);
- REPORTER_ASSERT(reporter, stream->read(array, 26) == 26);
- check_abcs(reporter, array, 26);
- REPORTER_ASSERT(reporter, stream->getPosition() == offset);
- }
- }
- // reader should contains an integral number of copies of gABC.
- static void check_alphabet_buffer(skiatest::Reporter* reporter, const SkROBuffer* reader) {
- size_t size = reader->size();
- REPORTER_ASSERT(reporter, size % 26 == 0);
- SkAutoTMalloc<char> storage(size);
- SkROBuffer::Iter iter(reader);
- size_t offset = 0;
- do {
- SkASSERT(offset + iter.size() <= size);
- memcpy(storage.get() + offset, iter.data(), iter.size());
- offset += iter.size();
- } while (iter.next());
- REPORTER_ASSERT(reporter, offset == size);
- check_abcs(reporter, storage.get(), size);
- }
- DEF_TEST(RWBuffer, reporter) {
- // Knowing that the default capacity is 4096, choose N large enough so we force it to use
- // multiple buffers internally.
- static constexpr int N = 1000;
- SkSTArray<N, sk_sp<SkROBuffer>> readers;
- SkSTArray<N, std::unique_ptr<SkStream>> streams;
- {
- SkRWBuffer buffer;
- for (int i = 0; i < N; ++i) {
- buffer.append(gABC, 26);
- readers.push_back(buffer.makeROBufferSnapshot());
- streams.push_back(buffer.makeStreamSnapshot());
- }
- REPORTER_ASSERT(reporter, N*26 == buffer.size());
- }
- // Verify that although the SkRWBuffer's destructor has run, the readers are still valid.
- for (int i = 0; i < N; ++i) {
- REPORTER_ASSERT(reporter, (i + 1) * 26U == readers[i]->size());
- check_alphabet_buffer(reporter, readers[i].get());
- check_alphabet_stream(reporter, streams[i].get());
- }
- }
- DEF_TEST(RWBuffer_threaded, reporter) {
- // Knowing that the default capacity is 4096, choose N large enough so we force it to use
- // multiple buffers internally.
- const int N = 1000;
- SkTaskGroup tasks;
- SkRWBuffer buffer;
- for (int i = 0; i < N; ++i) {
- buffer.append(gABC, 26);
- sk_sp<SkROBuffer> reader = buffer.makeROBufferSnapshot();
- SkStream* stream = buffer.makeStreamSnapshot().release();
- REPORTER_ASSERT(reporter, reader->size() == buffer.size());
- REPORTER_ASSERT(reporter, stream->getLength() == buffer.size());
- // reader's copy constructor will ref the SkROBuffer, which will be unreffed
- // when the task ends.
- // Ownership of stream is passed to the task, which will delete it.
- tasks.add([reporter, i, reader, stream] {
- REPORTER_ASSERT(reporter, (i + 1) * 26U == reader->size());
- REPORTER_ASSERT(reporter, stream->getLength() == reader->size());
- check_alphabet_buffer(reporter, reader.get());
- check_alphabet_stream(reporter, stream);
- REPORTER_ASSERT(reporter, stream->rewind());
- delete stream;
- });
- }
- REPORTER_ASSERT(reporter, N*26 == buffer.size());
- tasks.wait();
- }
- // Tests that it is safe to call SkROBuffer::Iter::size() when exhausted.
- DEF_TEST(RWBuffer_size, r) {
- SkRWBuffer buffer;
- buffer.append(gABC, 26);
- sk_sp<SkROBuffer> roBuffer(buffer.makeROBufferSnapshot());
- SkROBuffer::Iter iter(roBuffer.get());
- REPORTER_ASSERT(r, iter.data());
- REPORTER_ASSERT(r, iter.size() == 26);
- // There is only one block in this buffer.
- REPORTER_ASSERT(r, !iter.next());
- REPORTER_ASSERT(r, 0 == iter.size());
- }
- // Tests that operations (including the destructor) are safe on an SkRWBuffer
- // without any data appended.
- DEF_TEST(RWBuffer_noAppend, r) {
- SkRWBuffer buffer;
- REPORTER_ASSERT(r, 0 == buffer.size());
- sk_sp<SkROBuffer> roBuffer = buffer.makeROBufferSnapshot();
- REPORTER_ASSERT(r, roBuffer);
- if (roBuffer) {
- REPORTER_ASSERT(r, roBuffer->size() == 0);
- SkROBuffer::Iter iter(roBuffer.get());
- REPORTER_ASSERT(r, iter.size() == 0);
- REPORTER_ASSERT(r, !iter.data());
- REPORTER_ASSERT(r, !iter.next());
- }
- std::unique_ptr<SkStream> stream(buffer.makeStreamSnapshot());
- REPORTER_ASSERT(r, stream);
- if (stream) {
- REPORTER_ASSERT(r, stream->hasLength());
- REPORTER_ASSERT(r, stream->getLength() == 0);
- REPORTER_ASSERT(r, stream->skip(10) == 0);
- }
- }
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