| // Copyright 2022 The PDFium Authors |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "core/fxcrt/fixed_uninit_data_vector.h" |
| |
| #include <utility> |
| |
| #include "core/fxcrt/fixed_try_alloc_zeroed_data_vector.h" |
| #include "core/fxcrt/fixed_zeroed_data_vector.h" |
| #include "core/fxcrt/span_util.h" |
| #include "testing/gmock/include/gmock/gmock.h" |
| #include "testing/gtest/include/gtest/gtest.h" |
| #include "third_party/base/span.h" |
| |
| TEST(FixedUninitDataVector, NoData) { |
| FixedUninitDataVector<int> vec; |
| EXPECT_EQ(0u, vec.size()); |
| EXPECT_TRUE(vec.empty()); |
| EXPECT_TRUE(vec.span().empty()); |
| EXPECT_TRUE(vec.writable_span().empty()); |
| } |
| |
| TEST(FixedUninitDataVector, WithData) { |
| FixedUninitDataVector<int> vec(4); |
| EXPECT_FALSE(vec.empty()); |
| EXPECT_EQ(4u, vec.size()); |
| EXPECT_EQ(4u, vec.span().size()); |
| EXPECT_EQ(4u, vec.writable_span().size()); |
| |
| constexpr int kData[] = {1, 2, 3, 4}; |
| fxcrt::spancpy(vec.writable_span(), pdfium::make_span(kData)); |
| EXPECT_THAT(vec.span(), testing::ElementsAre(1, 2, 3, 4)); |
| } |
| |
| TEST(FixedUninitDataVector, Move) { |
| FixedUninitDataVector<int> vec(4); |
| constexpr int kData[] = {1, 2, 3, 4}; |
| ASSERT_EQ(4u, vec.writable_span().size()); |
| fxcrt::spancpy(vec.writable_span(), pdfium::make_span(kData)); |
| const int* const original_data_ptr = vec.span().data(); |
| |
| FixedUninitDataVector<int> vec2(std::move(vec)); |
| EXPECT_FALSE(vec2.empty()); |
| EXPECT_EQ(4u, vec2.size()); |
| EXPECT_EQ(4u, vec2.span().size()); |
| EXPECT_EQ(4u, vec2.writable_span().size()); |
| EXPECT_THAT(vec2.span(), testing::ElementsAre(1, 2, 3, 4)); |
| EXPECT_EQ(vec2.span().data(), original_data_ptr); |
| |
| EXPECT_EQ(0u, vec.size()); |
| EXPECT_TRUE(vec.empty()); |
| EXPECT_TRUE(vec.span().empty()); |
| EXPECT_TRUE(vec.writable_span().empty()); |
| |
| vec = std::move(vec2); |
| EXPECT_FALSE(vec.empty()); |
| EXPECT_EQ(4u, vec.size()); |
| EXPECT_EQ(4u, vec.span().size()); |
| EXPECT_EQ(4u, vec.writable_span().size()); |
| EXPECT_THAT(vec.span(), testing::ElementsAre(1, 2, 3, 4)); |
| EXPECT_EQ(vec.span().data(), original_data_ptr); |
| |
| EXPECT_EQ(0u, vec2.size()); |
| EXPECT_TRUE(vec2.empty()); |
| EXPECT_TRUE(vec2.span().empty()); |
| EXPECT_TRUE(vec2.writable_span().empty()); |
| } |
| |
| TEST(FixedUninitDataVector, AssignFromFixedZeroedDataVector) { |
| FixedUninitDataVector<int> vec; |
| |
| FixedZeroedDataVector<int> vec2(4); |
| constexpr int kData[] = {1, 2, 3, 4}; |
| ASSERT_EQ(4u, vec2.writable_span().size()); |
| fxcrt::spancpy(vec2.writable_span(), pdfium::make_span(kData)); |
| |
| vec = std::move(vec2); |
| EXPECT_TRUE(vec2.empty()); |
| EXPECT_EQ(4u, vec.span().size()); |
| EXPECT_THAT(vec.span(), testing::ElementsAre(1, 2, 3, 4)); |
| } |
| |
| TEST(FixedUninitDataVector, AssignFromFixedTryAllocZeroedDataVector) { |
| FixedUninitDataVector<int> vec; |
| |
| FixedTryAllocZeroedDataVector<int> vec2(4); |
| constexpr int kData[] = {1, 2, 3, 4}; |
| ASSERT_EQ(4u, vec2.writable_span().size()); |
| fxcrt::spancpy(vec2.writable_span(), pdfium::make_span(kData)); |
| |
| vec = std::move(vec2); |
| EXPECT_TRUE(vec2.empty()); |
| EXPECT_EQ(4u, vec.span().size()); |
| EXPECT_THAT(vec.span(), testing::ElementsAre(1, 2, 3, 4)); |
| } |