| // Copyright 2020 The Dawn Authors |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WvecANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| #include <utility> |
| |
| #include "dawn/common/TypedInteger.h" |
| #include "dawn/common/ityp_vector.h" |
| #include "gtest/gtest.h" |
| |
| class ITypVectorTest : public testing::Test { |
| protected: |
| using Key = TypedInteger<struct KeyT, uint32_t>; |
| using Val = TypedInteger<struct ValT, uint32_t>; |
| |
| using Vector = ityp::vector<Key, Val>; |
| }; |
| |
| // Test creation and initialization of the vector. |
| TEST_F(ITypVectorTest, Creation) { |
| // Default constructor initializes to 0 |
| { |
| Vector vec; |
| ASSERT_EQ(vec.size(), Key(0)); |
| } |
| |
| // Size constructor initializes contents to 0 |
| { |
| Vector vec(Key(10)); |
| ASSERT_EQ(vec.size(), Key(10)); |
| |
| for (Key i(0); i < Key(10); ++i) { |
| ASSERT_EQ(vec[i], Val(0)); |
| } |
| } |
| |
| // Size and initial value constructor initializes contents to the inital value |
| { |
| Vector vec(Key(10), Val(7)); |
| ASSERT_EQ(vec.size(), Key(10)); |
| |
| for (Key i(0); i < Key(10); ++i) { |
| ASSERT_EQ(vec[i], Val(7)); |
| } |
| } |
| |
| // Initializer list constructor |
| { |
| Vector vec = {Val(2), Val(8), Val(1)}; |
| ASSERT_EQ(vec.size(), Key(3)); |
| ASSERT_EQ(vec[Key(0)], Val(2)); |
| ASSERT_EQ(vec[Key(1)], Val(8)); |
| ASSERT_EQ(vec[Key(2)], Val(1)); |
| } |
| } |
| |
| // Test copy construction/assignment |
| TEST_F(ITypVectorTest, CopyConstructAssign) { |
| // Test the copy constructor |
| { |
| Vector rhs = {Val(2), Val(8), Val(1)}; |
| |
| Vector vec(rhs); |
| ASSERT_EQ(vec.size(), Key(3)); |
| ASSERT_EQ(vec[Key(0)], Val(2)); |
| ASSERT_EQ(vec[Key(1)], Val(8)); |
| ASSERT_EQ(vec[Key(2)], Val(1)); |
| |
| ASSERT_EQ(rhs.size(), Key(3)); |
| ASSERT_EQ(rhs[Key(0)], Val(2)); |
| ASSERT_EQ(rhs[Key(1)], Val(8)); |
| ASSERT_EQ(rhs[Key(2)], Val(1)); |
| } |
| |
| // Test the copy assignment |
| { |
| Vector rhs = {Val(2), Val(8), Val(1)}; |
| |
| Vector vec = rhs; |
| ASSERT_EQ(vec.size(), Key(3)); |
| ASSERT_EQ(vec[Key(0)], Val(2)); |
| ASSERT_EQ(vec[Key(1)], Val(8)); |
| ASSERT_EQ(vec[Key(2)], Val(1)); |
| |
| ASSERT_EQ(rhs.size(), Key(3)); |
| ASSERT_EQ(rhs[Key(0)], Val(2)); |
| ASSERT_EQ(rhs[Key(1)], Val(8)); |
| ASSERT_EQ(rhs[Key(2)], Val(1)); |
| } |
| } |
| |
| // Test move construction/assignment |
| TEST_F(ITypVectorTest, MoveConstructAssign) { |
| // Test the move constructor |
| { |
| Vector rhs = {Val(2), Val(8), Val(1)}; |
| |
| Vector vec(std::move(rhs)); |
| ASSERT_EQ(vec.size(), Key(3)); |
| ASSERT_EQ(vec[Key(0)], Val(2)); |
| ASSERT_EQ(vec[Key(1)], Val(8)); |
| ASSERT_EQ(vec[Key(2)], Val(1)); |
| } |
| |
| // Test the move assignment |
| { |
| Vector rhs = {Val(2), Val(8), Val(1)}; |
| |
| Vector vec = std::move(rhs); |
| ASSERT_EQ(vec.size(), Key(3)); |
| ASSERT_EQ(vec[Key(0)], Val(2)); |
| ASSERT_EQ(vec[Key(1)], Val(8)); |
| ASSERT_EQ(vec[Key(2)], Val(1)); |
| } |
| } |
| |
| // Test that values can be set at an index and retrieved from the same index. |
| TEST_F(ITypVectorTest, Indexing) { |
| Vector vec(Key(10)); |
| { |
| vec[Key(2)] = Val(5); |
| vec[Key(1)] = Val(9); |
| vec[Key(9)] = Val(2); |
| |
| ASSERT_EQ(vec[Key(2)], Val(5)); |
| ASSERT_EQ(vec[Key(1)], Val(9)); |
| ASSERT_EQ(vec[Key(9)], Val(2)); |
| } |
| { |
| vec.at(Key(4)) = Val(5); |
| vec.at(Key(3)) = Val(8); |
| vec.at(Key(1)) = Val(7); |
| |
| ASSERT_EQ(vec.at(Key(4)), Val(5)); |
| ASSERT_EQ(vec.at(Key(3)), Val(8)); |
| ASSERT_EQ(vec.at(Key(1)), Val(7)); |
| } |
| } |
| |
| // Test that the vector can be iterated in order with a range-based for loop |
| TEST_F(ITypVectorTest, RangeBasedIteration) { |
| Vector vec(Key(10)); |
| |
| // Assign in a non-const range-based for loop |
| uint32_t i = 0; |
| for (Val& val : vec) { |
| val = Val(i); |
| } |
| |
| // Check values in a const range-based for loop |
| i = 0; |
| for (Val val : static_cast<const Vector&>(vec)) { |
| ASSERT_EQ(val, vec[Key(i++)]); |
| } |
| } |
| |
| // Test that begin/end/front/back/data return pointers/references to the correct elements. |
| TEST_F(ITypVectorTest, BeginEndFrontBackData) { |
| Vector vec(Key(10)); |
| |
| // non-const versions |
| ASSERT_EQ(&vec.front(), &vec[Key(0)]); |
| ASSERT_EQ(&vec.back(), &vec[Key(9)]); |
| ASSERT_EQ(vec.data(), &vec[Key(0)]); |
| |
| // const versions |
| const Vector& constVec = vec; |
| ASSERT_EQ(&constVec.front(), &constVec[Key(0)]); |
| ASSERT_EQ(&constVec.back(), &constVec[Key(9)]); |
| ASSERT_EQ(constVec.data(), &constVec[Key(0)]); |
| } |