submodule/skia/tests/DataRefTest.cpp

   1 /*
   2  * Copyright 2011 Google Inc.
   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/SkDataTable.h"
  10 #include "include/core/SkRefCnt.h"
  11 #include "include/core/SkStream.h"
  12 #include "include/core/SkString.h"
  13 #include "include/core/SkTypes.h"
  14 #include "include/private/SkTArray.h"
  15 #include "include/private/SkTemplates.h"
  16 #include "src/core/SkOSFile.h"
  17 #include "src/core/SkTaskGroup.h"
  18 #include "src/utils/SkOSPath.h"
  19 #include "tests/Test.h"
  20
  21 #include <cstdio>
  22 #include <cstring>
  23 #include <memory>
  24
  25 static void test_is_equal(skiatest::Reporter* reporter,
  26                           const SkDataTable* a, const SkDataTable* b) {
  27     REPORTER_ASSERT(reporter, a->count() == b->count());
  28     for (int i = 0; i < a->count(); ++i) {
  29         size_t sizea, sizeb;
  30         const void* mema = a->at(i, &sizea);
  31         const void* memb = b->at(i, &sizeb);
  32         REPORTER_ASSERT(reporter, sizea == sizeb);
  33         REPORTER_ASSERT(reporter, !memcmp(mema, memb, sizea));
  34     }
  35 }
  36
  37 static void test_datatable_is_empty(skiatest::Reporter* reporter, SkDataTable* table) {
  38     REPORTER_ASSERT(reporter, table->isEmpty());
  39     REPORTER_ASSERT(reporter, 0 == table->count());
  40 }
  41
  42 static void test_emptytable(skiatest::Reporter* reporter) {
  43     sk_sp<SkDataTable> table0(SkDataTable::MakeEmpty());
  44     sk_sp<SkDataTable> table1(SkDataTable::MakeCopyArrays(nullptr, nullptr, 0));
  45     sk_sp<SkDataTable> table2(SkDataTable::MakeCopyArray(nullptr, 0, 0));
  46     sk_sp<SkDataTable> table3(SkDataTable::MakeArrayProc(nullptr, 0, 0, nullptr, nullptr));
  47
  48     test_datatable_is_empty(reporter, table0.get());
  49     test_datatable_is_empty(reporter, table1.get());
  50     test_datatable_is_empty(reporter, table2.get());
  51     test_datatable_is_empty(reporter, table3.get());
  52
  53     test_is_equal(reporter, table0.get(), table1.get());
  54     test_is_equal(reporter, table0.get(), table2.get());
  55     test_is_equal(reporter, table0.get(), table3.get());
  56 }
  57
  58 static void test_simpletable(skiatest::Reporter* reporter) {
  59     const int idata[] = { 1, 4, 9, 16, 25, 63 };
  60     int icount = SK_ARRAY_COUNT(idata);
  61     sk_sp<SkDataTable> itable(SkDataTable::MakeCopyArray(idata, sizeof(idata[0]), icount));
  62     REPORTER_ASSERT(reporter, itable->count() == icount);
  63     for (int i = 0; i < icount; ++i) {
  64         size_t size;
  65         REPORTER_ASSERT(reporter, sizeof(int) == itable->atSize(i));
  66         REPORTER_ASSERT(reporter, *itable->atT<int>(i, &size) == idata[i]);
  67         REPORTER_ASSERT(reporter, sizeof(int) == size);
  68     }
  69 }
  70
  71 static void test_vartable(skiatest::Reporter* reporter) {
  72     const char* str[] = {
  73         "", "a", "be", "see", "deigh", "ef", "ggggggggggggggggggggggggggg"
  74     };
  75     int count = SK_ARRAY_COUNT(str);
  76     size_t sizes[SK_ARRAY_COUNT(str)];
  77     for (int i = 0; i < count; ++i) {
  78         sizes[i] = strlen(str[i]) + 1;
  79     }
  80
  81     sk_sp<SkDataTable> table(SkDataTable::MakeCopyArrays((const void*const*)str, sizes, count));
  82
  83     REPORTER_ASSERT(reporter, table->count() == count);
  84     for (int i = 0; i < count; ++i) {
  85         size_t size;
  86         REPORTER_ASSERT(reporter, table->atSize(i) == sizes[i]);
  87         REPORTER_ASSERT(reporter, !strcmp(table->atT<const char>(i, &size),
  88                                           str[i]));
  89         REPORTER_ASSERT(reporter, size == sizes[i]);
  90
  91         const char* s = table->atStr(i);
  92         REPORTER_ASSERT(reporter, strlen(s) == strlen(str[i]));
  93     }
  94 }
  95
  96 static void test_globaltable(skiatest::Reporter* reporter) {
  97     static const int gData[] = {
  98         0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15
  99     };
 100     int count = SK_ARRAY_COUNT(gData);
 101
 102     sk_sp<SkDataTable> table(
 103         SkDataTable::MakeArrayProc(gData, sizeof(gData[0]), count, nullptr, nullptr));
 104
 105     REPORTER_ASSERT(reporter, table->count() == count);
 106     for (int i = 0; i < count; ++i) {
 107         size_t size;
 108         REPORTER_ASSERT(reporter, table->atSize(i) == sizeof(int));
 109         REPORTER_ASSERT(reporter, *table->atT<const char>(i, &size) == i);
 110         REPORTER_ASSERT(reporter, sizeof(int) == size);
 111     }
 112 }
 113
 114 DEF_TEST(DataTable, reporter) {
 115     test_emptytable(reporter);
 116     test_simpletable(reporter);
 117     test_vartable(reporter);
 118     test_globaltable(reporter);
 119 }
 120
 121 static void* gGlobal;
 122
 123 static void delete_int_proc(const void* ptr, void* context) {
 124     int* data = (int*)ptr;
 125     SkASSERT(context == gGlobal);
 126     delete[] data;
 127 }
 128
 129 static void assert_len(skiatest::Reporter* reporter, const sk_sp<SkData>& ref, size_t len) {
 130     REPORTER_ASSERT(reporter, ref->size() == len);
 131 }
 132
 133 static void assert_data(skiatest::Reporter* reporter, const sk_sp<SkData>& ref,
 134                         const void* data, size_t len) {
 135     REPORTER_ASSERT(reporter, ref->size() == len);
 136     REPORTER_ASSERT(reporter, !memcmp(ref->data(), data, len));
 137 }
 138
 139 static void test_cstring(skiatest::Reporter* reporter) {
 140     const char str[] = "Hello world";
 141     size_t     len = strlen(str);
 142
 143     sk_sp<SkData> r0(SkData::MakeWithCopy(str, len + 1));
 144     sk_sp<SkData> r1(SkData::MakeWithCString(str));
 145
 146     REPORTER_ASSERT(reporter, r0->equals(r1.get()));
 147
 148     sk_sp<SkData> r2(SkData::MakeWithCString(nullptr));
 149     REPORTER_ASSERT(reporter, 1 == r2->size());
 150     REPORTER_ASSERT(reporter, 0 == *r2->bytes());
 151 }
 152
 153 static void test_files(skiatest::Reporter* reporter) {
 154     SkString tmpDir = skiatest::GetTmpDir();
 155     if (tmpDir.isEmpty()) {
 156         return;
 157     }
 158
 159     SkString path = SkOSPath::Join(tmpDir.c_str(), "data_test");
 160
 161     const char s[] = "abcdefghijklmnopqrstuvwxyz";
 162     {
 163         SkFILEWStream writer(path.c_str());
 164         if (!writer.isValid()) {
 165             ERRORF(reporter, "Failed to create tmp file %s\n", path.c_str());
 166             return;
 167         }
 168         writer.write(s, 26);
 169     }
 170
 171     FILE* file = sk_fopen(path.c_str(), kRead_SkFILE_Flag);
 172     sk_sp<SkData> r1(SkData::MakeFromFILE(file));
 173     REPORTER_ASSERT(reporter, r1.get() != nullptr);
 174     REPORTER_ASSERT(reporter, r1->size() == 26);
 175     REPORTER_ASSERT(reporter, strncmp(static_cast<const char*>(r1->data()), s, 26) == 0);
 176
 177     int fd = sk_fileno(file);
 178     sk_sp<SkData> r2(SkData::MakeFromFD(fd));
 179     REPORTER_ASSERT(reporter, r2.get() != nullptr);
 180     REPORTER_ASSERT(reporter, r2->size() == 26);
 181     REPORTER_ASSERT(reporter, strncmp(static_cast<const char*>(r2->data()), s, 26) == 0);
 182 }
 183
 184 DEF_TEST(Data, reporter) {
 185     const char* str = "We the people, in order to form a more perfect union.";
 186     const int N = 10;
 187
 188     sk_sp<SkData> r0(SkData::MakeEmpty());
 189     sk_sp<SkData> r1(SkData::MakeWithCopy(str, strlen(str)));
 190     sk_sp<SkData> r2(SkData::MakeWithProc(new int[N], N*sizeof(int), delete_int_proc, gGlobal));
 191     sk_sp<SkData> r3(SkData::MakeSubset(r1.get(), 7, 6));
 192
 193     assert_len(reporter, r0, 0);
 194     assert_len(reporter, r1, strlen(str));
 195     assert_len(reporter, r2, N * sizeof(int));
 196     assert_len(reporter, r3, 6);
 197
 198     assert_data(reporter, r1, str, strlen(str));
 199     assert_data(reporter, r3, "people", 6);
 200
 201     sk_sp<SkData> tmp(SkData::MakeSubset(r1.get(), strlen(str), 10));
 202     assert_len(reporter, tmp, 0);
 203     tmp = SkData::MakeSubset(r1.get(), 0, 0);
 204     assert_len(reporter, tmp, 0);
 205
 206     test_cstring(reporter);
 207     test_files(reporter);
 208 }
 209
 210 DEF_TEST(Data_empty, reporter) {
 211     sk_sp<SkData> array[] = {
 212         SkData::MakeEmpty(),
 213         SkData::MakeUninitialized(0),
 214         SkData::MakeFromMalloc(sk_malloc_throw(0), 0),
 215         SkData::MakeWithCopy("", 0),
 216         SkData::MakeWithProc(nullptr, 0, [](const void*, void*){}, nullptr),
 217         SkData::MakeWithoutCopy(nullptr, 0),
 218     };
 219     constexpr int N = SK_ARRAY_COUNT(array);
 220
 221     for (int i = 0; i < N; ++i) {
 222         REPORTER_ASSERT(reporter, array[i]->size() == 0);
 223         for (int j = 0; j < N; ++j) {
 224             REPORTER_ASSERT(reporter, array[i]->equals(array[j].get()));
 225         }
 226     }
 227 }