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- // 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 <string>
- #include "gmock/gmock.h"
- #include "test/link/linker_fixture.h"
- namespace spvtools {
- namespace {
- using ::testing::HasSubstr;
- class EntryPointsAmountTest : public spvtest::LinkerTest {
- public:
- EntryPointsAmountTest() { binaries.reserve(0xFFFF); }
- 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);
- }
- }
- void TearDown() override { binaries.clear(); }
- spvtest::Binaries binaries;
- };
- TEST_F(EntryPointsAmountTest, UnderLimit) {
- spvtest::Binary linked_binary;
- EXPECT_EQ(SPV_SUCCESS, Link(binaries, &linked_binary));
- EXPECT_THAT(GetErrorMessage(), std::string());
- }
- TEST_F(EntryPointsAmountTest, 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;
- EXPECT_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."));
- }
- } // namespace
- } // namespace spvtools
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