136 lines
4.0 KiB
C++
136 lines
4.0 KiB
C++
// Copyright (c) 2017 Pierre Moreau
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include <string>
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#include "gmock/gmock.h"
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#include "test/link/linker_fixture.h"
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namespace spvtools {
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namespace {
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using ::testing::HasSubstr;
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const uint32_t binary_count = 2u;
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class EntryPointsAmountTest : public spvtest::LinkerTest {
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public:
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EntryPointsAmountTest() { binaries.reserve(binary_count + 1u); }
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void SetUp() override {
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const uint32_t global_variable_count_per_binary =
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(SPV_LIMIT_GLOBAL_VARIABLES_MAX - 1u) / binary_count;
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spvtest::Binary common_binary = {
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// clang-format off
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SpvMagicNumber,
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SpvVersion,
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SPV_GENERATOR_WORD(SPV_GENERATOR_KHRONOS, 0),
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3u + global_variable_count_per_binary, // NOTE: Bound
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0u, // NOTE: Schema; reserved
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SpvOpCapability | 2u << SpvWordCountShift,
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SpvCapabilityShader,
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SpvOpMemoryModel | 3u << SpvWordCountShift,
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SpvAddressingModelLogical,
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SpvMemoryModelSimple,
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SpvOpTypeFloat | 3u << SpvWordCountShift,
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1u, // NOTE: Result ID
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32u, // NOTE: Width
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SpvOpTypePointer | 4u << SpvWordCountShift,
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2u, // NOTE: Result ID
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SpvStorageClassInput,
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1u // NOTE: Type ID
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// clang-format on
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};
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binaries.push_back({});
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spvtest::Binary& binary = binaries.back();
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binary.reserve(common_binary.size() + global_variable_count_per_binary * 4);
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binary.insert(binary.end(), common_binary.cbegin(), common_binary.cend());
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for (uint32_t i = 0u; i < global_variable_count_per_binary; ++i) {
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binary.push_back(SpvOpVariable | 4u << SpvWordCountShift);
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binary.push_back(2u); // NOTE: Type ID
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binary.push_back(3u + i); // NOTE: Result ID
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binary.push_back(SpvStorageClassInput);
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}
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for (uint32_t i = 0u; i < binary_count - 1u; ++i) {
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binaries.push_back(binaries.back());
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}
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}
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void TearDown() override { binaries.clear(); }
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spvtest::Binaries binaries;
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};
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TEST_F(EntryPointsAmountTest, UnderLimit) {
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spvtest::Binary linked_binary;
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ASSERT_EQ(SPV_SUCCESS, Link(binaries, &linked_binary)) << GetErrorMessage();
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EXPECT_THAT(GetErrorMessage(), std::string());
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}
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TEST_F(EntryPointsAmountTest, OverLimit) {
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binaries.push_back({
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// clang-format off
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SpvMagicNumber,
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SpvVersion,
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SPV_GENERATOR_WORD(SPV_GENERATOR_KHRONOS, 0),
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5u, // NOTE: Bound
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0u, // NOTE: Schema; reserved
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SpvOpCapability | 2u << SpvWordCountShift,
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SpvCapabilityShader,
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SpvOpMemoryModel | 3u << SpvWordCountShift,
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SpvAddressingModelLogical,
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SpvMemoryModelSimple,
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SpvOpTypeFloat | 3u << SpvWordCountShift,
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1u, // NOTE: Result ID
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32u, // NOTE: Width
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SpvOpTypePointer | 4u << SpvWordCountShift,
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2u, // NOTE: Result ID
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SpvStorageClassInput,
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1u, // NOTE: Type ID
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SpvOpVariable | 4u << SpvWordCountShift,
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2u, // NOTE: Type ID
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3u, // NOTE: Result ID
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SpvStorageClassInput,
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SpvOpVariable | 4u << SpvWordCountShift,
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2u, // NOTE: Type ID
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4u, // NOTE: Result ID
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SpvStorageClassInput
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// clang-format on
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});
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spvtest::Binary linked_binary;
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ASSERT_EQ(SPV_SUCCESS, Link(binaries, &linked_binary)) << GetErrorMessage();
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EXPECT_THAT(
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GetErrorMessage(),
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HasSubstr("The minimum limit of global values, 65535, was exceeded; "
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"65536 global values were found."));
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}
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} // namespace
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} // namespace spvtools
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