SPIRV-Tools/test/fuzz/transformation_add_constant_boolean_test.cpp

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// Copyright (c) 2019 Google LLC
//
// 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 "source/fuzz/transformation_add_constant_boolean.h"
#include "test/fuzz/fuzz_test_util.h"
namespace spvtools {
namespace fuzz {
namespace {
TEST(TransformationAddConstantBooleanTest, NeitherPresentInitiallyAddBoth) {
std::string shader = R"(
OpCapability Shader
%1 = OpExtInstImport "GLSL.std.450"
OpMemoryModel Logical GLSL450
OpEntryPoint Fragment %4 "main"
OpExecutionMode %4 OriginUpperLeft
OpSource ESSL 310
OpName %4 "main"
%2 = OpTypeVoid
%6 = OpTypeBool
%3 = OpTypeFunction %2
%4 = OpFunction %2 None %3
%5 = OpLabel
OpReturn
OpFunctionEnd
)";
const auto env = SPV_ENV_UNIVERSAL_1_3;
const auto consumer = nullptr;
const auto context = BuildModule(env, consumer, shader, kFuzzAssembleOption);
ASSERT_TRUE(IsValid(env, context.get()));
FactManager fact_manager;
// True and false can both be added as neither is present.
ASSERT_TRUE(TransformationAddConstantBoolean(7, true).IsApplicable(
context.get(), fact_manager));
ASSERT_TRUE(TransformationAddConstantBoolean(7, false).IsApplicable(
context.get(), fact_manager));
// Id 5 is already taken.
ASSERT_FALSE(TransformationAddConstantBoolean(5, true).IsApplicable(
context.get(), fact_manager));
auto add_true = TransformationAddConstantBoolean(7, true);
auto add_false = TransformationAddConstantBoolean(8, false);
ASSERT_TRUE(add_true.IsApplicable(context.get(), fact_manager));
add_true.Apply(context.get(), &fact_manager);
ASSERT_TRUE(IsValid(env, context.get()));
// Having added true, we cannot add it again with the same id.
ASSERT_FALSE(add_true.IsApplicable(context.get(), fact_manager));
// But we can add it with a different id.
auto add_true_again = TransformationAddConstantBoolean(100, true);
ASSERT_TRUE(add_true_again.IsApplicable(context.get(), fact_manager));
add_true_again.Apply(context.get(), &fact_manager);
ASSERT_TRUE(IsValid(env, context.get()));
ASSERT_TRUE(add_false.IsApplicable(context.get(), fact_manager));
add_false.Apply(context.get(), &fact_manager);
ASSERT_TRUE(IsValid(env, context.get()));
// Having added false, we cannot add it again with the same id.
ASSERT_FALSE(add_false.IsApplicable(context.get(), fact_manager));
// But we can add it with a different id.
auto add_false_again = TransformationAddConstantBoolean(101, false);
ASSERT_TRUE(add_false_again.IsApplicable(context.get(), fact_manager));
add_false_again.Apply(context.get(), &fact_manager);
ASSERT_TRUE(IsValid(env, context.get()));
std::string after_transformation = R"(
OpCapability Shader
%1 = OpExtInstImport "GLSL.std.450"
OpMemoryModel Logical GLSL450
OpEntryPoint Fragment %4 "main"
OpExecutionMode %4 OriginUpperLeft
OpSource ESSL 310
OpName %4 "main"
%2 = OpTypeVoid
%6 = OpTypeBool
%3 = OpTypeFunction %2
%7 = OpConstantTrue %6
%100 = OpConstantTrue %6
%8 = OpConstantFalse %6
%101 = OpConstantFalse %6
%4 = OpFunction %2 None %3
%5 = OpLabel
OpReturn
OpFunctionEnd
)";
ASSERT_TRUE(IsEqual(env, after_transformation, context.get()));
}
TEST(TransformationAddConstantBooleanTest, NoOpTypeBoolPresent) {
std::string shader = R"(
OpCapability Shader
%1 = OpExtInstImport "GLSL.std.450"
OpMemoryModel Logical GLSL450
OpEntryPoint Fragment %4 "main"
OpExecutionMode %4 OriginUpperLeft
OpSource ESSL 310
OpName %4 "main"
%2 = OpTypeVoid
%3 = OpTypeFunction %2
%4 = OpFunction %2 None %3
%5 = OpLabel
OpReturn
OpFunctionEnd
)";
const auto env = SPV_ENV_UNIVERSAL_1_3;
const auto consumer = nullptr;
const auto context = BuildModule(env, consumer, shader, kFuzzAssembleOption);
ASSERT_TRUE(IsValid(env, context.get()));
FactManager fact_manager;
// Neither true nor false can be added as OpTypeBool is not present.
ASSERT_FALSE(TransformationAddConstantBoolean(6, true).IsApplicable(
context.get(), fact_manager));
ASSERT_FALSE(TransformationAddConstantBoolean(6, false).IsApplicable(
context.get(), fact_manager));
}
} // namespace
} // namespace fuzz
} // namespace spvtools