/* * 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 #include #include 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 table0(SkDataTable::MakeEmpty()); sk_sp table1(SkDataTable::MakeCopyArrays(nullptr, nullptr, 0)); sk_sp table2(SkDataTable::MakeCopyArray(nullptr, 0, 0)); sk_sp 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 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(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 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(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 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(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& ref, size_t len) { REPORTER_ASSERT(reporter, ref->size() == len); } static void assert_data(skiatest::Reporter* reporter, const sk_sp& 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 r0(SkData::MakeWithCopy(str, len + 1)); sk_sp r1(SkData::MakeWithCString(str)); REPORTER_ASSERT(reporter, r0->equals(r1.get())); sk_sp 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 r1(SkData::MakeFromFILE(file)); REPORTER_ASSERT(reporter, r1.get() != nullptr); REPORTER_ASSERT(reporter, r1->size() == 26); REPORTER_ASSERT(reporter, strncmp(static_cast(r1->data()), s, 26) == 0); int fd = sk_fileno(file); sk_sp r2(SkData::MakeFromFD(fd)); REPORTER_ASSERT(reporter, r2.get() != nullptr); REPORTER_ASSERT(reporter, r2->size() == 26); REPORTER_ASSERT(reporter, strncmp(static_cast(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 r0(SkData::MakeEmpty()); sk_sp r1(SkData::MakeWithCopy(str, strlen(str))); sk_sp r2(SkData::MakeWithProc(new int[N], N*sizeof(int), delete_int_proc, gGlobal)); sk_sp 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 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 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 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> readers; SkSTArray> 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 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 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 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 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); } }