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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 "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 }
}
static void test_swap(skiatest::Reporter* reporter) {
SkTArray<int> arr;
SkSTArray< 5, int> arr5;
SkSTArray<10, int> arr10;
SkSTArray<20, int> arr20;
SkTArray<int>* arrays[] = { &arr, &arr5, &arr10, &arr20 };
int sizes[] = {0, 1, 5, 10, 15, 20, 25};
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 (int x : *b) { REPORTER_ASSERT(reporter, x == curr++); }
for (int x : *a) { REPORTER_ASSERT(reporter, x == curr++); }
a->swap(a);
curr = sizeA;
for (int x : *a) { REPORTER_ASSERT(reporter, x == curr++); }
}}
}}
}
DEF_TEST(TArray, reporter) {
TestTSet_basic<true>(reporter);
TestTSet_basic<false>(reporter);
test_swap(reporter);
}
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