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