| // Copyright 2021 The libgav1 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 WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| #include "src/utils/block_parameters_holder.h" |
| |
| #include "gtest/gtest.h" |
| #include "src/utils/constants.h" |
| #include "src/utils/types.h" |
| |
| namespace libgav1 { |
| namespace { |
| |
| TEST(BlockParametersHolder, TestBasic) { |
| BlockParametersHolder holder; |
| ASSERT_TRUE(holder.Reset(20, 20)); |
| |
| // Get a BlockParameters object. |
| BlockParameters* const bp1 = holder.Get(10, 10, kBlock32x32); |
| ASSERT_NE(bp1, nullptr); |
| // Ensure that cache was filled appropriately. From (10, 10) to (17, 17) |
| // should be bp1 (10 + 4x4 width/height of 32x32 block is 18). |
| for (int i = 10; i < 18; ++i) { |
| for (int j = 10; j < 18; ++j) { |
| EXPECT_EQ(holder.Find(i, j), bp1) |
| << "Mismatch in (" << i << ", " << j << ")"; |
| } |
| } |
| |
| // Get the maximum number of BlockParameters objects. |
| for (int i = 0; i < 399; ++i) { |
| EXPECT_NE(holder.Get(10, 10, kBlock32x32), nullptr) |
| << "Mismatch in index " << i; |
| } |
| |
| // Get() should now return nullptr since there are no more BlockParameters |
| // objects available. |
| EXPECT_EQ(holder.Get(10, 10, kBlock32x32), nullptr); |
| |
| // Reset the holder to the same size. |
| ASSERT_TRUE(holder.Reset(20, 20)); |
| |
| // Get a BlockParameters object. This should be the same as bp1 since the |
| // holder was Reset to the same size. |
| BlockParameters* const bp2 = holder.Get(10, 10, kBlock32x32); |
| EXPECT_EQ(bp2, bp1); |
| |
| // Reset the holder to a smaller size. |
| ASSERT_TRUE(holder.Reset(20, 10)); |
| |
| // Get a BlockParameters object. This should be the same as bp1 since the |
| // holder was Reset to a smaller size. |
| BlockParameters* const bp3 = holder.Get(0, 0, kBlock32x32); |
| EXPECT_EQ(bp3, bp1); |
| |
| // Reset the holder to a larger size. |
| ASSERT_TRUE(holder.Reset(30, 30)); |
| |
| // Get a BlockParameters object. This may or may not be the same as bp1 since |
| // the holder was Reset to a larger size. |
| BlockParameters* const bp4 = holder.Get(0, 0, kBlock32x32); |
| EXPECT_NE(bp4, nullptr); |
| } |
| |
| } // namespace |
| } // namespace libgav1 |