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/*
* Copyright 2014 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "SkRefCnt.h"
#include "SkTArray.h"
#include "Test.h"
// Tests the SkTArray<T> class template.
template <bool MEM_COPY>
static void TestTSet_basic(skiatest::Reporter* reporter) {
SkTArray<int, MEM_COPY> a;
// Starts empty.
REPORTER_ASSERT(reporter, a.empty());
REPORTER_ASSERT(reporter, a.count() == 0);
// { }, add a default constructed element
a.push_back() = 0;
REPORTER_ASSERT(reporter, !a.empty());
REPORTER_ASSERT(reporter, a.count() == 1);
// { 0 }, removeShuffle the only element.
a.removeShuffle(0);
REPORTER_ASSERT(reporter, a.empty());
REPORTER_ASSERT(reporter, a.count() == 0);
// { }, add a default, add a 1, remove first
a.push_back() = 0;
REPORTER_ASSERT(reporter, a.push_back() = 1);
a.removeShuffle(0);
REPORTER_ASSERT(reporter, !a.empty());
REPORTER_ASSERT(reporter, a.count() == 1);
REPORTER_ASSERT(reporter, a[0] == 1);
// { 1 }, replace with new array
int b[5] = { 0, 1, 2, 3, 4 };
a.reset(b, SK_ARRAY_COUNT(b));
REPORTER_ASSERT(reporter, a.count() == SK_ARRAY_COUNT(b));
REPORTER_ASSERT(reporter, a[2] == 2);
REPORTER_ASSERT(reporter, a[4] == 4);
// { 0, 1, 2, 3, 4 }, removeShuffle the last
a.removeShuffle(4);
REPORTER_ASSERT(reporter, a.count() == SK_ARRAY_COUNT(b) - 1);
REPORTER_ASSERT(reporter, a[3] == 3);
// { 0, 1, 2, 3 }, remove a middle, note shuffle
a.removeShuffle(1);
REPORTER_ASSERT(reporter, a.count() == SK_ARRAY_COUNT(b) - 2);
REPORTER_ASSERT(reporter, a[0] == 0);
REPORTER_ASSERT(reporter, a[1] == 3);
REPORTER_ASSERT(reporter, a[2] == 2);
// {0, 3, 2 }
}
template <typename T> static void test_swap(skiatest::Reporter* reporter,
SkTArray<T>* (&arrays)[4],
int (&sizes)[7])
{
for (auto a : arrays) {
for (auto b : arrays) {
if (a == b) {
continue;
}
for (auto sizeA : sizes) {
for (auto sizeB : sizes) {
a->reset();
b->reset();
int curr = 0;
for (int i = 0; i < sizeA; i++) { a->push_back(curr++); }
for (int i = 0; i < sizeB; i++) { b->push_back(curr++); }
a->swap(b);
REPORTER_ASSERT(reporter, b->count() == sizeA);
REPORTER_ASSERT(reporter, a->count() == sizeB);
curr = 0;
for (auto&& x : *b) { REPORTER_ASSERT(reporter, x == curr++); }
for (auto&& x : *a) { REPORTER_ASSERT(reporter, x == curr++); }
a->swap(a);
curr = sizeA;
for (auto&& x : *a) { REPORTER_ASSERT(reporter, x == curr++); }
}}
}}
}
static void test_swap(skiatest::Reporter* reporter) {
int sizes[] = {0, 1, 5, 10, 15, 20, 25};
SkTArray<int> arr;
SkSTArray< 5, int> arr5;
SkSTArray<10, int> arr10;
SkSTArray<20, int> arr20;
SkTArray<int>* arrays[] = { &arr, &arr5, &arr10, &arr20 };
test_swap(reporter, arrays, sizes);
struct MoveOnlyInt {
MoveOnlyInt(int i) : fInt(i) {}
MoveOnlyInt(MoveOnlyInt&& that) : fInt(that.fInt) {}
bool operator==(int i) { return fInt == i; }
int fInt;
};
SkTArray<MoveOnlyInt> moi;
SkSTArray< 5, MoveOnlyInt> moi5;
SkSTArray<10, MoveOnlyInt> moi10;
SkSTArray<20, MoveOnlyInt> moi20;
SkTArray<MoveOnlyInt>* arraysMoi[] = { &moi, &moi5, &moi10, &moi20 };
test_swap(reporter, arraysMoi, sizes);
}
template <typename T, bool MEM_MOVE>
void test_copy_ctor(skiatest::Reporter* reporter, SkTArray<T, MEM_MOVE>&& array) {
SkASSERT(array.empty());
for (int i = 0; i < 5; ++i) {
array.emplace_back(new SkRefCnt);
REPORTER_ASSERT(reporter, array.back()->unique());
}
{
SkTArray<T, MEM_MOVE> copy(array);
for (const auto& ref : array)
REPORTER_ASSERT(reporter, !ref->unique());
for (const auto& ref : copy)
REPORTER_ASSERT(reporter, !ref->unique());
}
for (const auto& ref : array)
REPORTER_ASSERT(reporter, ref->unique());
}
static void test_move(skiatest::Reporter* reporter) {
#define TEST_MOVE do { \
SRC_T src; \
src.emplace_back(sk_make_sp<SkRefCnt>()); \
{ \
/* copy ctor */ \
DST_T copy(src); \
REPORTER_ASSERT(reporter, !copy[0]->unique()); \
} \
{ \
/* move ctor */ \
DST_T move(std::move(src)); \
REPORTER_ASSERT(reporter, move[0]->unique()); \
} \
REPORTER_ASSERT(reporter, src.empty()); \
src.emplace_back(sk_make_sp<SkRefCnt>()); \
{ \
/* copy assignment */ \
DST_T copy; \
copy = src; \
REPORTER_ASSERT(reporter, !copy[0]->unique()); \
} \
{ \
/* move assignment */ \
DST_T move; \
move = std::move(src); \
REPORTER_ASSERT(reporter, move[0]->unique()); \
} \
REPORTER_ASSERT(reporter, src.empty()); \
} while (false)
{
using SRC_T = SkTArray<sk_sp<SkRefCnt>, false>;
using DST_T = SkTArray<sk_sp<SkRefCnt>, false>;
TEST_MOVE;
}
{
using SRC_T = SkTArray<sk_sp<SkRefCnt>, true>;
using DST_T = SkTArray<sk_sp<SkRefCnt>, true>;
TEST_MOVE;
}
{
using SRC_T = SkSTArray<1, sk_sp<SkRefCnt>, false>;
using DST_T = SkSTArray<1, sk_sp<SkRefCnt>, false>;
TEST_MOVE;
}
{
using SRC_T = SkSTArray<1, sk_sp<SkRefCnt>, true>;
using DST_T = SkSTArray<1, sk_sp<SkRefCnt>, true>;
TEST_MOVE;
}
{
using SRC_T = SkTArray<sk_sp<SkRefCnt>, false>;
using DST_T = SkSTArray<1, sk_sp<SkRefCnt>, false>;
TEST_MOVE;
}
{
using SRC_T = SkTArray<sk_sp<SkRefCnt>, true>;
using DST_T = SkSTArray<1, sk_sp<SkRefCnt>, true>;
TEST_MOVE;
}
{
using SRC_T = SkSTArray<1, sk_sp<SkRefCnt>, false>;
using DST_T = SkTArray<sk_sp<SkRefCnt>, false>;
TEST_MOVE;
}
{
using SRC_T = SkSTArray<1, sk_sp<SkRefCnt>, true>;
using DST_T = SkTArray<sk_sp<SkRefCnt>, true>;
TEST_MOVE;
}
#undef TEST_MOVE
}
DEF_TEST(TArray, reporter) {
TestTSet_basic<true>(reporter);
TestTSet_basic<false>(reporter);
test_swap(reporter);
test_copy_ctor(reporter, SkTArray<sk_sp<SkRefCnt>, false>());
test_copy_ctor(reporter, SkTArray<sk_sp<SkRefCnt>, true>());
test_copy_ctor(reporter, SkSTArray< 1, sk_sp<SkRefCnt>, false>());
test_copy_ctor(reporter, SkSTArray< 1, sk_sp<SkRefCnt>, true>());
test_copy_ctor(reporter, SkSTArray<10, sk_sp<SkRefCnt>, false>());
test_copy_ctor(reporter, SkSTArray<10, sk_sp<SkRefCnt>, true>());
test_move(reporter);
}
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