| // Copyright (c) 2017 Pierre Moreau |
| // |
| // 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 "gmock/gmock.h" |
| #include "linker_fixture.h" |
| |
| namespace { |
| |
| using ::testing::HasSubstr; |
| |
| class EntryPoints : public spvtest::LinkerTest { |
| public: |
| EntryPoints() { binaries.reserve(0xFFFF); } |
| |
| virtual void SetUp() override { |
| binaries.push_back({SpvMagicNumber, |
| SpvVersion, |
| SPV_GENERATOR_CODEPLAY, |
| 10u, // NOTE: Bound |
| 0u, // NOTE: Schema; reserved |
| |
| 3u << SpvWordCountShift | SpvOpTypeFloat, |
| 1u, // NOTE: Result ID |
| 32u, // NOTE: Width |
| |
| 4u << SpvWordCountShift | SpvOpTypePointer, |
| 2u, // NOTE: Result ID |
| SpvStorageClassInput, |
| 1u, // NOTE: Type ID |
| |
| 2u << SpvWordCountShift | SpvOpTypeVoid, |
| 3u, // NOTE: Result ID |
| |
| 3u << SpvWordCountShift | SpvOpTypeFunction, |
| 4u, // NOTE: Result ID |
| 3u, // NOTE: Return type |
| |
| 5u << SpvWordCountShift | SpvOpFunction, |
| 3u, // NOTE: Result type |
| 5u, // NOTE: Result ID |
| SpvFunctionControlMaskNone, |
| 4u, // NOTE: Function type |
| |
| 2u << SpvWordCountShift | SpvOpLabel, |
| 6u, // NOTE: Result ID |
| |
| 4u << SpvWordCountShift | SpvOpVariable, |
| 2u, // NOTE: Type ID |
| 7u, // NOTE: Result ID |
| SpvStorageClassFunction, |
| |
| 4u << SpvWordCountShift | SpvOpVariable, |
| 2u, // NOTE: Type ID |
| 8u, // NOTE: Result ID |
| SpvStorageClassFunction, |
| |
| 4u << SpvWordCountShift | SpvOpVariable, |
| 2u, // NOTE: Type ID |
| 9u, // NOTE: Result ID |
| SpvStorageClassFunction, |
| |
| 1u << SpvWordCountShift | SpvOpReturn, |
| |
| 1u << SpvWordCountShift | SpvOpFunctionEnd}); |
| for (size_t i = 0u; i < 2u; ++i) { |
| spvtest::Binary binary = { |
| SpvMagicNumber, |
| SpvVersion, |
| SPV_GENERATOR_CODEPLAY, |
| 103u, // NOTE: Bound |
| 0u, // NOTE: Schema; reserved |
| |
| 3u << SpvWordCountShift | SpvOpTypeFloat, |
| 1u, // NOTE: Result ID |
| 32u, // NOTE: Width |
| |
| 4u << SpvWordCountShift | SpvOpTypePointer, |
| 2u, // NOTE: Result ID |
| SpvStorageClassInput, |
| 1u // NOTE: Type ID |
| }; |
| |
| for (uint32_t j = 0u; j < 0xFFFFu / 2u; ++j) { |
| binary.push_back(4u << SpvWordCountShift | SpvOpVariable); |
| binary.push_back(2u); // NOTE: Type ID |
| binary.push_back(j + 3u); // NOTE: Result ID |
| binary.push_back(SpvStorageClassInput); |
| } |
| binaries.push_back(binary); |
| } |
| } |
| virtual void TearDown() override { binaries.clear(); } |
| |
| spvtest::Binaries binaries; |
| }; |
| |
| TEST_F(EntryPoints, UnderLimit) { |
| spvtest::Binary linked_binary; |
| |
| ASSERT_EQ(SPV_SUCCESS, Link(binaries, &linked_binary)); |
| EXPECT_THAT(GetErrorMessage(), std::string()); |
| } |
| |
| TEST_F(EntryPoints, OverLimit) { |
| binaries.push_back({SpvMagicNumber, |
| SpvVersion, |
| SPV_GENERATOR_CODEPLAY, |
| 5u, // NOTE: Bound |
| 0u, // NOTE: Schema; reserved |
| |
| 3u << SpvWordCountShift | SpvOpTypeFloat, |
| 1u, // NOTE: Result ID |
| 32u, // NOTE: Width |
| |
| 4u << SpvWordCountShift | SpvOpTypePointer, |
| 2u, // NOTE: Result ID |
| SpvStorageClassInput, |
| 1u, // NOTE: Type ID |
| |
| 4u << SpvWordCountShift | SpvOpVariable, |
| 2u, // NOTE: Type ID |
| 3u, // NOTE: Result ID |
| SpvStorageClassInput, |
| |
| 4u << SpvWordCountShift | SpvOpVariable, |
| 2u, // NOTE: Type ID |
| 4u, // NOTE: Result ID |
| SpvStorageClassInput}); |
| |
| spvtest::Binary linked_binary; |
| |
| ASSERT_EQ(SPV_ERROR_INTERNAL, Link(binaries, &linked_binary)); |
| EXPECT_THAT(GetErrorMessage(), |
| HasSubstr("The limit of global values, 65535, was exceeded; " |
| "65536 global values were found.")); |
| } |
| |
| } // anonymous namespace |