ae87bf1e49
This effectively reverts a80ce1a36d
,
and goes back to using SkMakeSpan (which works in C++14).
Change-Id: Iaa63c86b5acaadbdd60588b0a5c703820e810770
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/406938
Reviewed-by: Herb Derby <herb@google.com>
Commit-Queue: Brian Osman <brianosman@google.com>
656 lines
19 KiB
C++
656 lines
19 KiB
C++
/*
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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 "include/core/SkRefCnt.h"
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#include "include/utils/SkRandom.h"
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#include "src/core/SkEnumerate.h"
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#include "src/core/SkSpan.h"
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#include "src/core/SkTSearch.h"
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#include "src/core/SkTSort.h"
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#include "src/core/SkZip.h"
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#include "tests/Test.h"
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#include <array>
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#include <initializer_list>
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#include <tuple>
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#include <vector>
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class RefClass : public SkRefCnt {
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public:
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RefClass(int n) : fN(n) {}
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int get() const { return fN; }
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private:
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int fN;
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using INHERITED = SkRefCnt;
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};
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static void test_autounref(skiatest::Reporter* reporter) {
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RefClass obj(0);
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REPORTER_ASSERT(reporter, obj.unique());
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sk_sp<RefClass> tmp(&obj);
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REPORTER_ASSERT(reporter, &obj == tmp.get());
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REPORTER_ASSERT(reporter, obj.unique());
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REPORTER_ASSERT(reporter, &obj == tmp.release());
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REPORTER_ASSERT(reporter, obj.unique());
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REPORTER_ASSERT(reporter, nullptr == tmp.release());
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REPORTER_ASSERT(reporter, nullptr == tmp.get());
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obj.ref();
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REPORTER_ASSERT(reporter, !obj.unique());
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{
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sk_sp<RefClass> tmp2(&obj);
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}
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REPORTER_ASSERT(reporter, obj.unique());
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}
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static void test_autostarray(skiatest::Reporter* reporter) {
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RefClass obj0(0);
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RefClass obj1(1);
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REPORTER_ASSERT(reporter, obj0.unique());
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REPORTER_ASSERT(reporter, obj1.unique());
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{
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SkAutoSTArray<2, sk_sp<RefClass> > tmp;
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REPORTER_ASSERT(reporter, 0 == tmp.count());
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tmp.reset(0); // test out reset(0) when already at 0
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tmp.reset(4); // this should force a new allocation
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REPORTER_ASSERT(reporter, 4 == tmp.count());
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tmp[0].reset(SkRef(&obj0));
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tmp[1].reset(SkRef(&obj1));
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REPORTER_ASSERT(reporter, !obj0.unique());
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REPORTER_ASSERT(reporter, !obj1.unique());
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// test out reset with data in the array (and a new allocation)
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tmp.reset(0);
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REPORTER_ASSERT(reporter, 0 == tmp.count());
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REPORTER_ASSERT(reporter, obj0.unique());
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REPORTER_ASSERT(reporter, obj1.unique());
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tmp.reset(2); // this should use the preexisting allocation
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REPORTER_ASSERT(reporter, 2 == tmp.count());
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tmp[0].reset(SkRef(&obj0));
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tmp[1].reset(SkRef(&obj1));
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}
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// test out destructor with data in the array (and using existing allocation)
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REPORTER_ASSERT(reporter, obj0.unique());
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REPORTER_ASSERT(reporter, obj1.unique());
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{
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// test out allocating ctor (this should allocate new memory)
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SkAutoSTArray<2, sk_sp<RefClass> > tmp(4);
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REPORTER_ASSERT(reporter, 4 == tmp.count());
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tmp[0].reset(SkRef(&obj0));
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tmp[1].reset(SkRef(&obj1));
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REPORTER_ASSERT(reporter, !obj0.unique());
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REPORTER_ASSERT(reporter, !obj1.unique());
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// Test out resut with data in the array and malloced storage
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tmp.reset(0);
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REPORTER_ASSERT(reporter, obj0.unique());
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REPORTER_ASSERT(reporter, obj1.unique());
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tmp.reset(2); // this should use the preexisting storage
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tmp[0].reset(SkRef(&obj0));
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tmp[1].reset(SkRef(&obj1));
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REPORTER_ASSERT(reporter, !obj0.unique());
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REPORTER_ASSERT(reporter, !obj1.unique());
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tmp.reset(4); // this should force a new malloc
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REPORTER_ASSERT(reporter, obj0.unique());
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REPORTER_ASSERT(reporter, obj1.unique());
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tmp[0].reset(SkRef(&obj0));
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tmp[1].reset(SkRef(&obj1));
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REPORTER_ASSERT(reporter, !obj0.unique());
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REPORTER_ASSERT(reporter, !obj1.unique());
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}
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REPORTER_ASSERT(reporter, obj0.unique());
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REPORTER_ASSERT(reporter, obj1.unique());
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}
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/////////////////////////////////////////////////////////////////////////////
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#define kSEARCH_COUNT 91
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static void test_search(skiatest::Reporter* reporter) {
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int i, array[kSEARCH_COUNT];
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SkRandom rand;
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for (i = 0; i < kSEARCH_COUNT; i++) {
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array[i] = rand.nextS();
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}
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SkTHeapSort<int>(array, kSEARCH_COUNT);
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// make sure we got sorted properly
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for (i = 1; i < kSEARCH_COUNT; i++) {
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REPORTER_ASSERT(reporter, array[i-1] <= array[i]);
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}
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// make sure we can find all of our values
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for (i = 0; i < kSEARCH_COUNT; i++) {
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int index = SkTSearch<int>(array, kSEARCH_COUNT, array[i], sizeof(int));
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REPORTER_ASSERT(reporter, index == i);
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}
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// make sure that random values are either found, or the correct
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// insertion index is returned
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for (i = 0; i < 10000; i++) {
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int value = rand.nextS();
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int index = SkTSearch<int>(array, kSEARCH_COUNT, value, sizeof(int));
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if (index >= 0) {
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REPORTER_ASSERT(reporter,
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index < kSEARCH_COUNT && array[index] == value);
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} else {
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index = ~index;
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REPORTER_ASSERT(reporter, index <= kSEARCH_COUNT);
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if (index < kSEARCH_COUNT) {
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REPORTER_ASSERT(reporter, value < array[index]);
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if (index > 0) {
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REPORTER_ASSERT(reporter, value > array[index - 1]);
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}
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} else {
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// we should append the new value
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REPORTER_ASSERT(reporter, value > array[kSEARCH_COUNT - 1]);
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}
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}
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}
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}
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DEF_TEST(Utils, reporter) {
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test_search(reporter);
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test_autounref(reporter);
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test_autostarray(reporter);
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}
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DEF_TEST(SkSpan, reporter) {
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// Test constness preservation for SkMakeSpan.
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{
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std::vector<int> v = {{1, 2, 3, 4, 5}};
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auto s = SkMakeSpan(v);
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REPORTER_ASSERT(reporter, s[3] == 4);
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s[3] = 100;
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REPORTER_ASSERT(reporter, s[3] == 100);
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}
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{
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std::vector<int> t = {{1, 2, 3, 4, 5}};
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const std::vector<int>& v = t;
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auto s = SkMakeSpan(v);
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//s[3] = 100; // Should fail to compile
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REPORTER_ASSERT(reporter, s[3] == 4);
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REPORTER_ASSERT(reporter, t[3] == 4);
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t[3] = 100;
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REPORTER_ASSERT(reporter, s[3] == 100);
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}
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{
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std::array<int, 5> v = {{1, 2, 3, 4, 5}};
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auto s = SkMakeSpan(v);
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REPORTER_ASSERT(reporter, s[3] == 4);
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s[3] = 100;
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REPORTER_ASSERT(reporter, s[3] == 100);
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auto s1 = s.subspan(1,3);
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REPORTER_ASSERT(reporter, s1.size() == 3);
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REPORTER_ASSERT(reporter, s1.front() == 2);
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REPORTER_ASSERT(reporter, s1.back() == 100);
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}
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{
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std::array<int, 5> t = {{1, 2, 3, 4, 5}};
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const std::array<int, 5>& v = t;
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auto s = SkMakeSpan(v);
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//s[3] = 100; // Should fail to compile
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REPORTER_ASSERT(reporter, s[3] == 4);
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REPORTER_ASSERT(reporter, t[3] == 4);
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t[3] = 100;
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REPORTER_ASSERT(reporter, s[3] == 100);
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}
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{
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std::vector<int> v;
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auto s = SkMakeSpan(v);
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REPORTER_ASSERT(reporter, s.empty());
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}
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}
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DEF_TEST(SkEnumerate, reporter) {
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int A[] = {1, 2, 3, 4};
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auto enumeration = SkMakeEnumerate(A);
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size_t check = 0;
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for (auto [i, v] : enumeration) {
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REPORTER_ASSERT(reporter, i == check);
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REPORTER_ASSERT(reporter, v == (int)check+1);
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check++;
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}
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check = 0;
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for (auto [i, v] : SkMakeEnumerate(A)) {
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REPORTER_ASSERT(reporter, i == check);
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REPORTER_ASSERT(reporter, v == (int)check+1);
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check++;
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}
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check = 0;
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std::vector<int> vec = {1, 2, 3, 4};
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for (auto [i, v] : SkMakeEnumerate(vec)) {
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REPORTER_ASSERT(reporter, i == check);
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REPORTER_ASSERT(reporter, v == (int)check+1);
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check++;
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}
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REPORTER_ASSERT(reporter, check == 4);
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check = 0;
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for (auto [i, v] : SkMakeEnumerate(SkMakeSpan(vec))) {
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REPORTER_ASSERT(reporter, i == check);
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REPORTER_ASSERT(reporter, v == (int)check+1);
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check++;
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}
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{
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auto e = SkMakeEnumerate(SkMakeSpan(vec)).first(2);
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for (auto[i, v] : e) {
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REPORTER_ASSERT(reporter, v == (int) i + 1);
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}
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REPORTER_ASSERT(reporter, e.size() == 2);
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}
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{
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auto e = SkMakeEnumerate(SkMakeSpan(vec)).last(2);
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for (auto[i, v] : e) {
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REPORTER_ASSERT(reporter, v == (int) i + 1);
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}
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REPORTER_ASSERT(reporter, e.size() == 2);
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}
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{
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auto e = SkMakeEnumerate(SkMakeSpan(vec)).subspan(1, 2);
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for (auto[i, v] : e) {
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REPORTER_ASSERT(reporter, v == (int) i + 1);
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}
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REPORTER_ASSERT(reporter, e.size() == 2);
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}
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{
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struct I {
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I() = default;
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I(const I&) = default;
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I(int v) : i{v} { }
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~I() {}
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int i;
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};
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I is[10];
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auto s = SkMakeSpan(is);
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for (auto [i, v] : SkMakeEnumerate(s)) {
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new (&v) I(i);
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}
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for (size_t i = 0; i < s.size(); i++) {
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REPORTER_ASSERT(reporter, s[i].i == (int)i);
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REPORTER_ASSERT(reporter, is[i].i == (int)i);
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}
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}
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{
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std::unique_ptr<int> is[10];
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std::unique_ptr<int> os[10];
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auto s = SkMakeSpan(is);
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for (auto [i, v] : SkMakeEnumerate(s)) {
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v = std::make_unique<int>(i);
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}
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for (auto [i, v] : SkMakeEnumerate(SkMakeSpan(os))) {
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v = std::move(s[i]);
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}
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for (size_t i = 0; i < s.size(); i++) {
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REPORTER_ASSERT(reporter, *os[i] == (int)i);
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REPORTER_ASSERT(reporter, is[i] == nullptr);
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}
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}
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{
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std::unique_ptr<int> is[10];
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std::unique_ptr<int> os[10];
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auto s = SkMakeSpan(is);
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for (auto [i, v] : SkMakeEnumerate(s)) {
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v = std::make_unique<int>(i);
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}
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for (auto [i, ov, iv] : SkMakeEnumerate(SkMakeZip(os, is))) {
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ov = std::move(iv);
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}
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for (size_t i = 0; i < s.size(); i++) {
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REPORTER_ASSERT(reporter, *os[i] == (int)i);
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REPORTER_ASSERT(reporter, is[i] == nullptr);
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}
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}
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}
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DEF_TEST(SkZip, reporter) {
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uint16_t A[] = {1, 2, 3, 4};
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const float B[] = {10.f, 20.f, 30.f, 40.f};
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std::vector<int> C = {{20, 30, 40, 50}};
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std::array<int, 4> D = {{100, 200, 300, 400}};
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SkSpan<int> S = SkMakeSpan(C);
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// Check SkZip calls
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SkZip<uint16_t, const float, int, int, int>
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z{4, &A[0], &B[0], C.data(), D.data(), S.data()};
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REPORTER_ASSERT(reporter, z.size() == 4);
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REPORTER_ASSERT(reporter, !z.empty());
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{
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// Check front
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auto t = z.front();
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REPORTER_ASSERT(reporter, std::get<0>(t) == 1);
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REPORTER_ASSERT(reporter, std::get<1>(t) == 10.f);
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REPORTER_ASSERT(reporter, std::get<2>(t) == 20);
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REPORTER_ASSERT(reporter, std::get<3>(t) == 100);
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REPORTER_ASSERT(reporter, std::get<4>(t) == 20);
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}
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{
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// Check back
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auto t = z.back();
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REPORTER_ASSERT(reporter, std::get<0>(t) == 4);
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REPORTER_ASSERT(reporter, std::get<1>(t) == 40.f);
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}
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{
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// Check ranged-for
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int i = 0;
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for (auto [a, b, c, d, s] : z) {
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REPORTER_ASSERT(reporter, a == A[i]);
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REPORTER_ASSERT(reporter, b == B[i]);
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REPORTER_ASSERT(reporter, c == C[i]);
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REPORTER_ASSERT(reporter, d == D[i]);
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REPORTER_ASSERT(reporter, s == S[i]);
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i++;
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}
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REPORTER_ASSERT(reporter, i = 4);
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}
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{
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// Check first(n)
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int i = 0;
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for (auto [a, b, c, d, s] : z.first(2)) {
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REPORTER_ASSERT(reporter, a == A[i]);
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REPORTER_ASSERT(reporter, b == B[i]);
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REPORTER_ASSERT(reporter, c == C[i]);
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REPORTER_ASSERT(reporter, d == D[i]);
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REPORTER_ASSERT(reporter, s == S[i]);
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i++;
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}
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REPORTER_ASSERT(reporter, i = 2);
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}
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{
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// Check last(n)
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int i = 0;
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for (auto t : z.last(2)) {
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uint16_t a; float b; int c; int d; int s;
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std::tie(a, b, c, d, s) = t;
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REPORTER_ASSERT(reporter, a == A[i + 2]);
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REPORTER_ASSERT(reporter, b == B[i + 2]);
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REPORTER_ASSERT(reporter, c == C[i + 2]);
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REPORTER_ASSERT(reporter, d == D[i + 2]);
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REPORTER_ASSERT(reporter, s == S[i + 2]);
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i++;
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}
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REPORTER_ASSERT(reporter, i = 2);
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}
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{
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// Check subspan(offset, count)
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int i = 0;
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for (auto t : z.subspan(1, 2)) {
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uint16_t a; float b; int c; int d; int s;
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std::tie(a, b, c, d, s) = t;
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REPORTER_ASSERT(reporter, a == A[i + 1]);
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REPORTER_ASSERT(reporter, b == B[i + 1]);
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REPORTER_ASSERT(reporter, c == C[i + 1]);
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REPORTER_ASSERT(reporter, d == D[i + 1]);
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REPORTER_ASSERT(reporter, s == S[i + 1]);
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i++;
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}
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REPORTER_ASSERT(reporter, i = 2);
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}
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{
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// Check copy.
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auto zz{z};
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int i = 0;
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for (auto [a, b, c, d, s] : zz) {
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REPORTER_ASSERT(reporter, a == A[i]);
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REPORTER_ASSERT(reporter, b == B[i]);
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REPORTER_ASSERT(reporter, c == C[i]);
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REPORTER_ASSERT(reporter, d == D[i]);
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REPORTER_ASSERT(reporter, s == S[i]);
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i++;
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}
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REPORTER_ASSERT(reporter, i = 4);
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}
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{
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// Check const restricting copy
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SkZip<const uint16_t, const float, const int, int, int> cz = z;
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int i = 0;
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for (auto [a, b, c, d, s] : cz) {
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REPORTER_ASSERT(reporter, a == A[i]);
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REPORTER_ASSERT(reporter, b == B[i]);
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REPORTER_ASSERT(reporter, c == C[i]);
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REPORTER_ASSERT(reporter, d == D[i]);
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REPORTER_ASSERT(reporter, s == S[i]);
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i++;
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}
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REPORTER_ASSERT(reporter, i = 4);
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}
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{
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// Check data() returns all the original pointers
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auto ptrs = z.data();
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REPORTER_ASSERT(reporter,
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ptrs == std::make_tuple(&A[0], &B[0], C.data(), D.data(), S.data()));
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}
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{
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// Check index getter
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auto span = z.get<1>();
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REPORTER_ASSERT(reporter, span[1] == 20.f);
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}
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// The following mutates the data.
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{
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// Check indexing
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auto [a, b, c, d, e] = z[1];
|
|
REPORTER_ASSERT(reporter, a == 2);
|
|
REPORTER_ASSERT(reporter, b == 20.f);
|
|
REPORTER_ASSERT(reporter, c == 30);
|
|
REPORTER_ASSERT(reporter, d == 200);
|
|
REPORTER_ASSERT(reporter, e == 30);
|
|
|
|
// Check correct refs returned.
|
|
REPORTER_ASSERT(reporter, &a == &A[1]);
|
|
REPORTER_ASSERT(reporter, &b == &B[1]);
|
|
REPORTER_ASSERT(reporter, &c == &C[1]);
|
|
REPORTER_ASSERT(reporter, &d == &D[1]);
|
|
REPORTER_ASSERT(reporter, &e == &S[1]);
|
|
|
|
// Check assignment
|
|
a = 20;
|
|
// std::get<1>(t) = 300.f; // is const
|
|
c = 300;
|
|
d = 2000;
|
|
e = 300;
|
|
|
|
auto t1 = z[1];
|
|
REPORTER_ASSERT(reporter, std::get<0>(t1) == 20);
|
|
REPORTER_ASSERT(reporter, std::get<1>(t1) == 20.f);
|
|
REPORTER_ASSERT(reporter, std::get<2>(t1) == 300);
|
|
REPORTER_ASSERT(reporter, std::get<3>(t1) == 2000);
|
|
REPORTER_ASSERT(reporter, std::get<4>(t1) == 300);
|
|
}
|
|
}
|
|
|
|
DEF_TEST(SkMakeZip, reporter) {
|
|
uint16_t A[] = {1, 2, 3, 4};
|
|
const float B[] = {10.f, 20.f, 30.f, 40.f};
|
|
const std::vector<int> C = {{20, 30, 40, 50}};
|
|
std::array<int, 4> D = {{100, 200, 300, 400}};
|
|
SkSpan<const int> S = SkMakeSpan(C);
|
|
uint16_t* P = &A[0];
|
|
{
|
|
// Check make zip
|
|
auto zz = SkMakeZip(&A[0], B, C, D, S, P);
|
|
|
|
int i = 0;
|
|
for (auto [a, b, c, d, s, p] : zz) {
|
|
REPORTER_ASSERT(reporter, a == A[i]);
|
|
REPORTER_ASSERT(reporter, b == B[i]);
|
|
REPORTER_ASSERT(reporter, c == C[i]);
|
|
REPORTER_ASSERT(reporter, d == D[i]);
|
|
REPORTER_ASSERT(reporter, s == S[i]);
|
|
REPORTER_ASSERT(reporter, p == P[i]);
|
|
|
|
i++;
|
|
}
|
|
REPORTER_ASSERT(reporter, i = 4);
|
|
}
|
|
|
|
{
|
|
// Check SkMakeZip in ranged for check OneSize calc of B.
|
|
int i = 0;
|
|
for (auto [a, b, c, d, s] : SkMakeZip(&A[0], B, C, D, S)) {
|
|
REPORTER_ASSERT(reporter, a == A[i]);
|
|
REPORTER_ASSERT(reporter, b == B[i]);
|
|
REPORTER_ASSERT(reporter, c == C[i]);
|
|
REPORTER_ASSERT(reporter, d == D[i]);
|
|
REPORTER_ASSERT(reporter, s == S[i]);
|
|
|
|
i++;
|
|
}
|
|
REPORTER_ASSERT(reporter, i = 4);
|
|
}
|
|
|
|
{
|
|
// Check SkMakeZip in ranged for OneSize of C
|
|
int i = 0;
|
|
for (auto [a, b, c, d, s] : SkMakeZip(&A[0], &B[0], C, D, S)) {
|
|
REPORTER_ASSERT(reporter, a == A[i]);
|
|
REPORTER_ASSERT(reporter, b == B[i]);
|
|
REPORTER_ASSERT(reporter, c == C[i]);
|
|
REPORTER_ASSERT(reporter, d == D[i]);
|
|
REPORTER_ASSERT(reporter, s == S[i]);
|
|
|
|
i++;
|
|
}
|
|
REPORTER_ASSERT(reporter, i = 4);
|
|
}
|
|
|
|
{
|
|
// Check SkMakeZip in ranged for OneSize for S
|
|
int i = 0;
|
|
for (auto [s, a, b, c, d] : SkMakeZip(S, A, B, C, D)) {
|
|
REPORTER_ASSERT(reporter, a == A[i]);
|
|
REPORTER_ASSERT(reporter, b == B[i]);
|
|
REPORTER_ASSERT(reporter, c == C[i]);
|
|
REPORTER_ASSERT(reporter, d == D[i]);
|
|
REPORTER_ASSERT(reporter, s == S[i]);
|
|
|
|
i++;
|
|
}
|
|
REPORTER_ASSERT(reporter, i = 4);
|
|
}
|
|
|
|
{
|
|
// Check SkMakeZip in ranged for
|
|
int i = 0;
|
|
for (auto [c, s, a, b, d] : SkMakeZip(C, S, A, B, D)) {
|
|
REPORTER_ASSERT(reporter, a == A[i]);
|
|
REPORTER_ASSERT(reporter, b == B[i]);
|
|
REPORTER_ASSERT(reporter, c == C[i]);
|
|
REPORTER_ASSERT(reporter, d == D[i]);
|
|
REPORTER_ASSERT(reporter, s == S[i]);
|
|
|
|
i++;
|
|
}
|
|
REPORTER_ASSERT(reporter, i = 4);
|
|
}
|
|
|
|
{
|
|
// Check SkEnumerate and SkMakeZip in ranged for
|
|
auto zz = SkMakeZip(A, B, C, D, S);
|
|
for (auto [i, a, b, c, d, s] : SkMakeEnumerate(zz)) {
|
|
REPORTER_ASSERT(reporter, a == A[i]);
|
|
REPORTER_ASSERT(reporter, b == B[i]);
|
|
REPORTER_ASSERT(reporter, c == C[i]);
|
|
REPORTER_ASSERT(reporter, d == D[i]);
|
|
REPORTER_ASSERT(reporter, s == S[i]);
|
|
}
|
|
}
|
|
|
|
{
|
|
// Check SkEnumerate and SkMakeZip in ranged for
|
|
const auto& zz = SkMakeZip(A, B, C, D, S);
|
|
for (auto [i, a, b, c, d, s] : SkMakeEnumerate(zz)) {
|
|
REPORTER_ASSERT(reporter, a == A[i]);
|
|
REPORTER_ASSERT(reporter, b == B[i]);
|
|
REPORTER_ASSERT(reporter, c == C[i]);
|
|
REPORTER_ASSERT(reporter, d == D[i]);
|
|
REPORTER_ASSERT(reporter, s == S[i]);
|
|
}
|
|
}
|
|
|
|
{
|
|
// Check SkEnumerate and SkMakeZip in ranged for
|
|
for (auto [i, a, b, c, d, s] : SkMakeEnumerate(SkMakeZip(A, B, C, D, S))) {
|
|
REPORTER_ASSERT(reporter, a == A[i]);
|
|
REPORTER_ASSERT(reporter, b == B[i]);
|
|
REPORTER_ASSERT(reporter, c == C[i]);
|
|
REPORTER_ASSERT(reporter, d == D[i]);
|
|
REPORTER_ASSERT(reporter, s == S[i]);
|
|
}
|
|
}
|
|
|
|
{
|
|
std::vector<int>v;
|
|
auto z = SkMakeZip(v);
|
|
REPORTER_ASSERT(reporter, z.empty());
|
|
}
|
|
|
|
{
|
|
constexpr static uint16_t cA[] = {1, 2, 3, 4};
|
|
// Not constexpr in stdc++11 library.
|
|
//constexpr static std::array<int, 4> cD = {{100, 200, 300, 400}};
|
|
constexpr static const uint16_t* cP = &cA[0];
|
|
constexpr auto z = SkMakeZip(cA, cP);
|
|
REPORTER_ASSERT(reporter, !z.empty());
|
|
}
|
|
}
|