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- /*
- * Copyright 2015 Google Inc.
- *
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
- #include "include/private/SkTemplates.h"
- #include "tests/Test.h"
- // Tests for some of the helpers in SkTemplates.h
- static void test_automalloc_realloc(skiatest::Reporter* reporter) {
- SkAutoSTMalloc<1, int> array;
- // test we have a valid pointer, should not crash
- array[0] = 1;
- REPORTER_ASSERT(reporter, array[0] == 1);
- // using realloc for init
- array.realloc(1);
- array[0] = 1;
- REPORTER_ASSERT(reporter, array[0] == 1);
- // verify realloc can grow
- array.realloc(2);
- REPORTER_ASSERT(reporter, array[0] == 1);
- // realloc can shrink
- array.realloc(1);
- REPORTER_ASSERT(reporter, array[0] == 1);
- // should not crash
- array.realloc(0);
- // grow and shrink again
- array.realloc(10);
- for (int i = 0; i < 10; i++) {
- array[i] = 10 - i;
- }
- array.realloc(20);
- for (int i = 0; i < 10; i++) {
- REPORTER_ASSERT(reporter, array[i] == 10 - i);
- }
- array.realloc(10);
- for (int i = 0; i < 10; i++) {
- REPORTER_ASSERT(reporter, array[i] == 10 - i);
- }
- array.realloc(1);
- REPORTER_ASSERT(reporter, array[0] = 10);
- // resets mixed with realloc, below stack alloc size
- array.reset(0);
- array.realloc(1);
- array.reset(1);
- array[0] = 1;
- REPORTER_ASSERT(reporter, array[0] == 1);
- // reset and realloc > stack size
- array.reset(2);
- array.realloc(3);
- array[0] = 1;
- REPORTER_ASSERT(reporter, array[0] == 1);
- array.realloc(1);
- REPORTER_ASSERT(reporter, array[0] == 1);
- }
- DEF_TEST(Templates, reporter) {
- test_automalloc_realloc(reporter);
- }
- constexpr int static kStackPreallocCount = 10;
- // Ensures the containers in SkTemplates.h all have a consistent api.
- template<typename TContainer, typename TCount>
- static void test_container_apis(skiatest::Reporter* reporter) {
- REPORTER_ASSERT(reporter, !TContainer((TCount)0).get());
- REPORTER_ASSERT(reporter, TContainer((TCount)1).get());
- REPORTER_ASSERT(reporter, TContainer((TCount)kStackPreallocCount).get());
- REPORTER_ASSERT(reporter, TContainer((TCount)kStackPreallocCount + 1).get());
- TContainer container;
- // The default constructor may or may not init to empty, depending on the type of container.
- container.reset((TCount)1);
- REPORTER_ASSERT(reporter, container.get());
- container.reset((TCount)kStackPreallocCount);
- REPORTER_ASSERT(reporter, container.get());
- container.reset((TCount)kStackPreallocCount + 1);
- REPORTER_ASSERT(reporter, container.get());
- container.reset((TCount)0);
- REPORTER_ASSERT(reporter, !container.get());
- }
- DEF_TEST(TemplateContainerAPIs, reporter) {
- test_container_apis<SkAutoTArray<int>, int>(reporter);
- test_container_apis<SkAutoSTArray<kStackPreallocCount, int>, int>(reporter);
- test_container_apis<SkAutoTMalloc<int>, size_t>(reporter);
- test_container_apis<SkAutoSTMalloc<kStackPreallocCount, int>, size_t>(reporter);
- }
- // Ensures that realloc(0) results in a null pointer.
- template<typename TAutoMalloc> static void test_realloc_to_zero(skiatest::Reporter* reporter) {
- TAutoMalloc autoMalloc(kStackPreallocCount);
- REPORTER_ASSERT(reporter, autoMalloc.get());
- autoMalloc.realloc(0);
- REPORTER_ASSERT(reporter, !autoMalloc.get());
- autoMalloc.realloc(kStackPreallocCount + 1);
- REPORTER_ASSERT(reporter, autoMalloc.get());
- autoMalloc.realloc(0);
- REPORTER_ASSERT(reporter, !autoMalloc.get());
- autoMalloc.realloc(kStackPreallocCount);
- REPORTER_ASSERT(reporter, autoMalloc.get());
- }
- DEF_TEST(AutoReallocToZero, reporter) {
- test_realloc_to_zero<SkAutoTMalloc<int> >(reporter);
- test_realloc_to_zero<SkAutoSTMalloc<kStackPreallocCount, int> >(reporter);
- }
- DEF_TEST(SkAutoTMallocSelfMove, r) {
- #if defined(__clang__)
- #pragma clang diagnostic push
- #pragma clang diagnostic ignored "-Wself-move"
- #endif
- SkAutoTMalloc<int> foo(20);
- REPORTER_ASSERT(r, foo.get());
- foo = std::move(foo);
- REPORTER_ASSERT(r, foo.get()); // NOLINT(bugprone-use-after-move)
- #if defined(__clang__)
- #pragma clang diagnostic pop
- #endif
- }
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