/* Copyright (c) 2025-2026 The Khronos Group Inc.
 * Copyright (c) 2025-2026 Valve Corporation
 * Copyright (c) 2025-2026 LunarG, Inc.
 *
 * 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 "../framework/layer_validation_tests.h"
#include "pipeline_helper.h"
#include "shader_helper.h"

class NegativeGpuAVShaderSanitizer : public GpuAVGpuAVShaderSanitizer {};

TEST_F(NegativeGpuAVShaderSanitizer, DivideByZeroUDivScalar) {
    const char *cs_source = R"glsl(
        #version 450 core
        layout(set=0, binding=0) buffer SSBO {
            uint index;
            uint result;
        };

        void main() {
            result = 5 / index;
        }
    )glsl";

    SimpleZeroComputeTest(cs_source, SPV_SOURCE_GLSL, "SPIRV-Sanitizer-Divide-By-Zero");
}

TEST_F(NegativeGpuAVShaderSanitizer, DivideByZeroSDivScalar) {
    const char *cs_source = R"glsl(
        #version 450 core
        layout(set=0, binding=0) buffer SSBO {
            int index;
            int result;
        };

        void main() {
            result = 5 / index;
        }
    )glsl";

    SimpleZeroComputeTest(cs_source, SPV_SOURCE_GLSL, "SPIRV-Sanitizer-Divide-By-Zero");
}

TEST_F(NegativeGpuAVShaderSanitizer, DivideByZeroUDivVector) {
    const char *cs_source = R"glsl(
        #version 450 core
        layout(set=0, binding=0) buffer SSBO {
            uvec4 index;
            uvec4 result;
        };

        void main() {
            result = uvec4(5) / index;
        }
    )glsl";

    SimpleZeroComputeTest(cs_source, SPV_SOURCE_GLSL, "SPIRV-Sanitizer-Divide-By-Zero");
}

TEST_F(NegativeGpuAVShaderSanitizer, DivideByZeroSDivVector) {
    const char *cs_source = R"glsl(
        #version 450 core
        layout(set=0, binding=0) buffer SSBO {
            ivec2 index;
            ivec2 result;
        };

        void main() {
            result = ivec2(5) / index;
        }
    )glsl";

    SimpleZeroComputeTest(cs_source, SPV_SOURCE_GLSL, "SPIRV-Sanitizer-Divide-By-Zero");
}

TEST_F(NegativeGpuAVShaderSanitizer, DivideByZeroUDivVector64) {
    AddRequiredFeature(vkt::Feature::shaderInt64);
    const char* cs_source = R"glsl(
        #version 450 core
        #extension GL_EXT_shader_explicit_arithmetic_types_int64 : enable
        layout(set=0, binding=0) buffer SSBO {
            u64vec3 index;
            u64vec3 result;
        };

        void main() {
            result = u64vec3(5) / index;
        }
    )glsl";

    SimpleZeroComputeTest(cs_source, SPV_SOURCE_GLSL, "SPIRV-Sanitizer-Divide-By-Zero");
}

TEST_F(NegativeGpuAVShaderSanitizer, DivideByZeroUDiv8Bit) {
    SetTargetApiVersion(VK_API_VERSION_1_1);
    AddRequiredExtensions(VK_KHR_SHADER_FLOAT16_INT8_EXTENSION_NAME);
    AddRequiredExtensions(VK_KHR_8BIT_STORAGE_EXTENSION_NAME);
    AddRequiredFeature(vkt::Feature::storageBuffer8BitAccess);
    AddRequiredFeature(vkt::Feature::shaderInt8);
    const char* cs_source = R"glsl(
        #version 450 core
        #extension GL_EXT_shader_explicit_arithmetic_types_int8 : enable
        layout(set=0, binding=0) buffer SSBO {
            int8_t index;
            int8_t result;
        };

        void main() {
            result = int8_t(5) / index;
        }
    )glsl";

    SimpleZeroComputeTest(cs_source, SPV_SOURCE_GLSL, "SPIRV-Sanitizer-Divide-By-Zero");
}

TEST_F(NegativeGpuAVShaderSanitizer, DivideByZeroUMod) {
    const char* cs_source = R"glsl(
        #version 450 core
        layout(set=0, binding=0) buffer SSBO {
            uint index;
            uint result;
        };

        void main() {
            result = 5 % index;
        }
    )glsl";

    SimpleZeroComputeTest(cs_source, SPV_SOURCE_GLSL, "SPIRV-Sanitizer-Divide-By-Zero");
}

TEST_F(NegativeGpuAVShaderSanitizer, DivideByZeroSMod) {
    const char* cs_source = R"glsl(
            #version 450 core
            layout(set=0, binding=0) buffer SSBO {
                ivec2 index;
                ivec2 result;
            };

            void main() {
                result = ivec2(5) % index;
            }
    )glsl";

    SimpleZeroComputeTest(cs_source, SPV_SOURCE_GLSL, "SPIRV-Sanitizer-Divide-By-Zero");
}

TEST_F(NegativeGpuAVShaderSanitizer, SRem) {
    const char* cs_source = R"asm(
               OpCapability Shader
               OpMemoryModel Logical GLSL450
               OpEntryPoint GLCompute %main "main"
               OpExecutionMode %main LocalSize 1 1 1
               OpDecorate %SSBO Block
               OpMemberDecorate %SSBO 0 Offset 0
               OpMemberDecorate %SSBO 1 Offset 4
               OpDecorate %_ Binding 0
               OpDecorate %_ DescriptorSet 0
       %void = OpTypeVoid
          %4 = OpTypeFunction %void
        %int = OpTypeInt 32 1
       %SSBO = OpTypeStruct %int %int
%_ptr_StorageBuffer_SSBO = OpTypePointer StorageBuffer %SSBO
          %_ = OpVariable %_ptr_StorageBuffer_SSBO StorageBuffer
      %int_1 = OpConstant %int 1
      %int_0 = OpConstant %int 0
%_ptr_StorageBuffer_int = OpTypePointer StorageBuffer %int
       %main = OpFunction %void None %4
          %6 = OpLabel
         %15 = OpAccessChain %_ptr_StorageBuffer_int %_ %int_0
         %16 = OpLoad %int %15
         %17 = OpIAdd %int %16 %int_0
         %18 = OpSRem %int %int_1 %17
         %19 = OpAccessChain %_ptr_StorageBuffer_int %_ %int_1
               OpStore %19 %18
               OpReturn
               OpFunctionEnd
    )asm";

    SimpleZeroComputeTest(cs_source, SPV_SOURCE_ASM, "SPIRV-Sanitizer-Divide-By-Zero");
}

TEST_F(NegativeGpuAVShaderSanitizer, DivideByZeroFModScalar) {
    const char* cs_source = R"glsl(
            #version 450 core
            layout(set=0, binding=0) buffer SSBO {
                float index;
                float result;
            };

            void main() {
                result = mod(result, index);
            }
    )glsl";

    SimpleZeroComputeTest(cs_source, SPV_SOURCE_GLSL, "SPIRV-Sanitizer-Divide-By-Zero");
}

TEST_F(NegativeGpuAVShaderSanitizer, DivideByZeroFModVector) {
    const char* cs_source = R"glsl(
            #version 450 core
            layout(set=0, binding=0) buffer SSBO {
                vec2 index;
                vec2 result;
            };

            void main() {
                index.x = 1.0f;
                result = mod(result, index);
            }
    )glsl";

    SimpleZeroComputeTest(cs_source, SPV_SOURCE_GLSL, "SPIRV-Sanitizer-Divide-By-Zero");
}

TEST_F(NegativeGpuAVShaderSanitizer, DivideByZeroFMod64) {
    AddRequiredFeature(vkt::Feature::shaderFloat64);
    const char* cs_source = R"glsl(
        #version 450 core
        #extension GL_EXT_shader_explicit_arithmetic_types_float64 : enable
        layout(set=0, binding=0) buffer SSBO {
            float64_t index;
            float64_t result;
        };

        void main() {
            float64_t result = mod(result, index);
        }
    )glsl";

    SimpleZeroComputeTest(cs_source, SPV_SOURCE_GLSL, "SPIRV-Sanitizer-Divide-By-Zero");
}

TEST_F(NegativeGpuAVShaderSanitizer, DivideByZeroIntDivConstant) {
    AddRequiredFeature(vkt::Feature::shaderInt64);
    RETURN_IF_SKIP(InitGpuAvFramework());
    RETURN_IF_SKIP(InitState());

    vkt::Buffer in_buffer(*m_device, 256, VK_BUFFER_USAGE_STORAGE_BUFFER_BIT, kHostVisibleMemProps);
    void* in_ptr = in_buffer.Memory().Map();
    memset(in_ptr, 0, 256);

    OneOffDescriptorSet descriptor_set(m_device, {{0, VK_DESCRIPTOR_TYPE_STORAGE_BUFFER, 1, VK_SHADER_STAGE_ALL, nullptr}});
    const vkt::PipelineLayout pipeline_layout(*m_device, {&descriptor_set.layout_});
    descriptor_set.WriteDescriptorBufferInfo(0, in_buffer, 0, VK_WHOLE_SIZE, VK_DESCRIPTOR_TYPE_STORAGE_BUFFER);
    descriptor_set.UpdateDescriptorSets();

    std::string base = R"asm(
               OpCapability Shader
               OpCapability Int64
               OpMemoryModel Logical GLSL450
               OpEntryPoint GLCompute %main "main"
               OpExecutionMode %main LocalSize 1 1 1
               OpDecorate %SSBO Block
               OpMemberDecorate %SSBO 0 Offset 0
               OpMemberDecorate %SSBO 1 Offset 4
               OpMemberDecorate %SSBO 2 Offset 8
               OpMemberDecorate %SSBO 3 Offset 16
               OpMemberDecorate %SSBO 4 Offset 32
               OpMemberDecorate %SSBO 5 Offset 48
               OpMemberDecorate %SSBO 6 Offset 64
               OpDecorate %var Binding 0
               OpDecorate %var DescriptorSet 0
       %void = OpTypeVoid
       %func = OpTypeFunction %void
       %uint = OpTypeInt 32 0
     %uint64 = OpTypeInt 64 0
        %int = OpTypeInt 32 1
      %float = OpTypeFloat 32
     %v2uint = OpTypeVector %uint 2
      %v3int = OpTypeVector %int 3
     %v4uint = OpTypeVector %uint 4

      %int_0 = OpConstant %int 0
      %int_1 = OpConstant %int 1
      %int_2 = OpConstant %int 2
      %int_3 = OpConstant %int 3
      %int_4 = OpConstant %int 4
      %int_5 = OpConstant %int 5
      %int_6 = OpConstant %int 6
     %uint_0 = OpConstant %uint 0
     %uint_1 = OpConstant %uint 1
  %uint_null = OpConstantNull %uint
   %uint64_0 = OpConstant %uint64 0
    %float_0 = OpConstant %float 0

%u32v2_1_null = OpConstantComposite %v2uint %uint_1 %uint_null
   %i32v3_000 = OpConstantComposite %v3int %int_0 %int_0 %int_0
  %u32v4_1101 = OpConstantComposite %v4uint %uint_1 %uint_1 %uint_0 %uint_1
  %u32v4_null = OpConstantNull %v4uint

       %SSBO = OpTypeStruct %uint %int %uint64 %v2uint %v3int %v4uint %float
   %ptr_ssbo = OpTypePointer StorageBuffer %SSBO
        %var = OpVariable %ptr_ssbo StorageBuffer
%ptr_ssbo_v2uint = OpTypePointer StorageBuffer %v2uint
%ptr_ssbo_v3int = OpTypePointer StorageBuffer %v3int
%ptr_ssbo_v4uint = OpTypePointer StorageBuffer %v4uint
%ptr_ssbo_uint64 = OpTypePointer StorageBuffer %uint64
%ptr_ssbo_uint = OpTypePointer StorageBuffer %uint
%ptr_ssbo_int = OpTypePointer StorageBuffer %int
%ptr_ssbo_float = OpTypePointer StorageBuffer %float
       %main = OpFunction %void None %func
      %label = OpLabel
    )asm";

    std::string end = R"asm(
        OpStore %4 %3 ; Prevents DCE
        OpReturn
        OpFunctionEnd
    )asm";

    auto test = [this, base, end, &pipeline_layout, &descriptor_set](std::string source) {
        std::string full_source = base + source + end;
        CreateComputePipelineHelper pipe(*this);
        pipe.cp_ci_.layout = pipeline_layout;
        pipe.cs_ = VkShaderObj(*m_device, full_source.c_str(), VK_SHADER_STAGE_COMPUTE_BIT, SPV_ENV_VULKAN_1_1, SPV_SOURCE_ASM);
        pipe.CreateComputePipeline();

        m_command_buffer.Begin();
        vk::CmdBindPipeline(m_command_buffer, VK_PIPELINE_BIND_POINT_COMPUTE, pipe);
        vk::CmdBindDescriptorSets(m_command_buffer, VK_PIPELINE_BIND_POINT_COMPUTE, pipeline_layout, 0, 1, &descriptor_set.set_, 0,
                                  nullptr);
        vk::CmdDispatch(m_command_buffer, 1, 1, 1);
        m_command_buffer.End();

        m_errorMonitor->SetDesiredError("SPIRV-Sanitizer-Divide-By-Zero");
        m_default_queue->SubmitAndWait(m_command_buffer);
        m_errorMonitor->VerifyFound();
    };

    // UDiv 32-bit
    test(R"asm(
        %1 = OpAccessChain %ptr_ssbo_uint %var %int_0
        %2 = OpLoad %uint %1
        %3 = OpUDiv %uint %2 %uint_0
        %4 = OpAccessChain %ptr_ssbo_uint %var %int_0
    )asm");

    // UDiv 32-bit Null
    test(R"asm(
        %1 = OpAccessChain %ptr_ssbo_uint %var %int_0
        %2 = OpLoad %uint %1
        %3 = OpUDiv %uint %2 %uint_null
        %4 = OpAccessChain %ptr_ssbo_uint %var %int_0
    )asm");

    // SDiv 32-bit
    test(R"asm(
        %1 = OpAccessChain %ptr_ssbo_int %var %int_1
        %2 = OpLoad %int %1
        %3 = OpSDiv %int %2 %uint_0
        %4 = OpAccessChain %ptr_ssbo_int %var %int_1
    )asm");

    // UDiv 64-bit Null
    test(R"asm(
        %1 = OpAccessChain %ptr_ssbo_uint64 %var %int_2
        %2 = OpLoad %uint64 %1
        %3 = OpUDiv %uint64 %2 %uint64_0
        %4 = OpAccessChain %ptr_ssbo_uint64 %var %int_2
    )asm");

    // UDiv uvec2
    test(R"asm(
        %1 = OpAccessChain %ptr_ssbo_v2uint %var %int_3
        %2 = OpLoad %v2uint %1
        %3 = OpUDiv %v2uint %2 %u32v2_1_null
        %4 = OpAccessChain %ptr_ssbo_v2uint %var %int_3
    )asm");

    // SDiv ivec3
    test(R"asm(
        %1 = OpAccessChain %ptr_ssbo_v3int %var %int_4
        %2 = OpLoad %v3int %1
        %3 = OpSDiv %v3int %2 %i32v3_000
        %4 = OpAccessChain %ptr_ssbo_v3int %var %int_4
    )asm");

    // UDiv uvec4
    test(R"asm(
        %1 = OpAccessChain %ptr_ssbo_v4uint %var %int_5
        %2 = OpLoad %v4uint %1
        %3 = OpUDiv %v4uint %2 %u32v4_1101
        %4 = OpAccessChain %ptr_ssbo_v4uint %var %int_5
    )asm");

    // UDiv uvec4 Null
    test(R"asm(
        %1 = OpAccessChain %ptr_ssbo_v4uint %var %int_5
        %2 = OpLoad %v4uint %1
        %3 = OpUDiv %v4uint %2 %u32v4_null
        %4 = OpAccessChain %ptr_ssbo_v4uint %var %int_5
    )asm");

    // FRem
    test(R"asm(
        %1 = OpAccessChain %ptr_ssbo_float %var %int_6
        %2 = OpLoad %float %1
        %3 = OpFRem %float %2 %float_0
        %4 = OpAccessChain %ptr_ssbo_float %var %int_6
    )asm");
}

TEST_F(NegativeGpuAVShaderSanitizer, ImageGather) {
    SetTargetApiVersion(VK_API_VERSION_1_2);
    RETURN_IF_SKIP(InitGpuAvFramework());
    RETURN_IF_SKIP(InitState());

    const char* cs_source = R"asm(
               OpCapability Shader
               OpMemoryModel Logical GLSL450
               OpEntryPoint GLCompute %main "main" %_ %tex
               OpExecutionMode %main LocalSize 1 1 1
               OpDecorate %SSBO Block
               OpMemberDecorate %SSBO 0 Offset 0
               OpDecorate %_ Binding 1
               OpDecorate %_ DescriptorSet 0
               OpDecorate %tex Binding 0
               OpDecorate %tex DescriptorSet 0
       %void = OpTypeVoid
          %4 = OpTypeFunction %void
      %float = OpTypeFloat 32
    %v4float = OpTypeVector %float 4
       %SSBO = OpTypeStruct %v4float
%_ptr_StorageBuffer_SSBO = OpTypePointer StorageBuffer %SSBO
          %_ = OpVariable %_ptr_StorageBuffer_SSBO StorageBuffer
        %int = OpTypeInt 32 1
      %int_0 = OpConstant %int 0
         %14 = OpTypeImage %float 2D 0 0 0 1 Unknown
         %15 = OpTypeSampledImage %14
%_ptr_UniformConstant_15 = OpTypePointer UniformConstant %15
        %tex = OpVariable %_ptr_UniformConstant_15 UniformConstant
    %v2float = OpTypeVector %float 2
    %float_0 = OpConstant %float 0
         %21 = OpConstantComposite %v2float %float_0 %float_0
      %int_4 = OpConstant %int 4
%_ptr_StorageBuffer_v4float = OpTypePointer StorageBuffer %v4float
       %main = OpFunction %void None %4
          %6 = OpLabel
         %18 = OpLoad %15 %tex
         %23 = OpImageGather %v4float %18 %21 %int_4
         %25 = OpAccessChain %_ptr_StorageBuffer_v4float %_ %int_0
               OpStore %25 %23
               OpReturn
               OpFunctionEnd
    )asm";

    OneOffDescriptorSet descriptor_set(m_device,
                                       {
                                           {0, VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, 1, VK_SHADER_STAGE_ALL, nullptr},
                                           {1, VK_DESCRIPTOR_TYPE_STORAGE_BUFFER, 1, VK_SHADER_STAGE_ALL, nullptr},
                                       });
    const vkt::PipelineLayout pipeline_layout(*m_device, {&descriptor_set.layout_});

    CreateComputePipelineHelper pipe(*this);
    pipe.cp_ci_.layout = pipeline_layout;
    pipe.cs_ = VkShaderObj(*m_device, cs_source, VK_SHADER_STAGE_COMPUTE_BIT, SPV_ENV_VULKAN_1_2, SPV_SOURCE_ASM);
    pipe.CreateComputePipeline();

    vkt::Buffer buffer(*m_device, 256, VK_BUFFER_USAGE_STORAGE_BUFFER_BIT);

    vkt::Image image(*m_device, 16, 16, VK_FORMAT_B8G8R8A8_UNORM, VK_IMAGE_USAGE_SAMPLED_BIT);
    image.SetLayout(VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL);
    vkt::ImageView image_view = image.CreateView();
    vkt::Sampler sampler(*m_device, SafeSaneSamplerCreateInfo());

    descriptor_set.WriteDescriptorImageInfo(0, image_view, sampler);
    descriptor_set.WriteDescriptorBufferInfo(1, buffer, 0, VK_WHOLE_SIZE, VK_DESCRIPTOR_TYPE_STORAGE_BUFFER);
    descriptor_set.UpdateDescriptorSets();

    m_command_buffer.Begin();
    vk::CmdBindPipeline(m_command_buffer, VK_PIPELINE_BIND_POINT_COMPUTE, pipe);
    vk::CmdBindDescriptorSets(m_command_buffer, VK_PIPELINE_BIND_POINT_COMPUTE, pipeline_layout, 0, 1, &descriptor_set.set_, 0,
                              nullptr);
    vk::CmdDispatch(m_command_buffer, 1, 1, 1);
    m_command_buffer.End();

    m_errorMonitor->SetDesiredError("SPIRV-Sanitizer-Image-Gather");
    m_default_queue->SubmitAndWait(m_command_buffer);
    m_errorMonitor->VerifyFound();
}

TEST_F(NegativeGpuAVShaderSanitizer, PowScalarZero) {
    const char* cs_source = R"glsl(
        #version 450 core
        layout(set=0, binding=0) buffer SSBO {
            float x;
            float y;
            float result;
        };

        void main() {
            result = pow(x, y - 1.0f);
        }
    )glsl";

    SimpleZeroComputeTest(cs_source, SPV_SOURCE_GLSL, "SPIRV-Sanitizer-Pow");
}

TEST_F(NegativeGpuAVShaderSanitizer, PowScalarNegative) {
    const char* cs_source = R"glsl(
        #version 450 core
        layout(set=0, binding=0) buffer SSBO {
            float x;
            float y;
            float result;
        };

        void main() {
            float a = x - 1.0f;
            float b = y + 1.0f;
            result = pow(a, b);
        }
    )glsl";

    SimpleZeroComputeTest(cs_source, SPV_SOURCE_GLSL, "SPIRV-Sanitizer-Pow");
}

TEST_F(NegativeGpuAVShaderSanitizer, PowScalarConstant) {
    const char* cs_source = R"(
               OpCapability Shader
          %2 = OpExtInstImport "GLSL.std.450"
               OpMemoryModel Logical GLSL450
               OpEntryPoint GLCompute %main "main"
               OpExecutionMode %main LocalSize 1 1 1
               OpDecorate %SSBO Block
               OpMemberDecorate %SSBO 0 Offset 0
               OpDecorate %var Binding 0
               OpDecorate %var DescriptorSet 0
       %void = OpTypeVoid
          %4 = OpTypeFunction %void
      %float = OpTypeFloat 32
%_ptr_Function_float = OpTypePointer Function %float
   %float_n1 = OpConstant %float -1.3
    %float_1 = OpConstant %float 1.3
       %SSBO = OpTypeStruct %float
%_ptr_StorageBuffer_SSBO = OpTypePointer StorageBuffer %SSBO
        %var = OpVariable %_ptr_StorageBuffer_SSBO StorageBuffer
        %int = OpTypeInt 32 1
      %int_0 = OpConstant %int 0
%_ptr_StorageBuffer_float = OpTypePointer StorageBuffer %float
       %main = OpFunction %void None %4
          %6 = OpLabel
         %16 = OpExtInst %float %2 Pow %float_n1 %float_1
         %24 = OpAccessChain %_ptr_StorageBuffer_float %var %int_0
               OpStore %24 %16
               OpReturn
               OpFunctionEnd
    )";

    SimpleZeroComputeTest(cs_source, SPV_SOURCE_ASM, "SPIRV-Sanitizer-Pow");
}

TEST_F(NegativeGpuAVShaderSanitizer, PowVectorZero) {
    const char* cs_source = R"glsl(
        #version 450 core
        layout(set=0, binding=0) buffer SSBO {
            vec2 x;
            vec2 y;
            vec2 result;
        };

        void main() {
            x.x = 3.0f;
            y.x = 1.0f;
            result = pow(x, y);
        }
    )glsl";

    SimpleZeroComputeTest(cs_source, SPV_SOURCE_GLSL, "SPIRV-Sanitizer-Pow");
}

TEST_F(NegativeGpuAVShaderSanitizer, PowVectorNegative) {
    const char* cs_source = R"glsl(
        #version 450 core
        layout(set=0, binding=0) buffer SSBO {
            vec4 x;
            vec4 y;
            vec4 result;
        };

        void main() {
            vec4 a = x - (1.0f);
            vec4 b = y + (1.0f);
            result = pow(a, b);
        }
    )glsl";

    SimpleZeroComputeTest(cs_source, SPV_SOURCE_GLSL, "SPIRV-Sanitizer-Pow");
}

TEST_F(NegativeGpuAVShaderSanitizer, Atan2Scalar) {
    const char* cs_source = R"glsl(
        #version 450 core
        layout(set=0, binding=0) buffer SSBO {
            float x;
            float y;
            float result;
        };

        void main() {
            result = atan(x, y);
        }
    )glsl";

    SimpleZeroComputeTest(cs_source, SPV_SOURCE_GLSL, "SPIRV-Sanitizer-Atan2");
}

TEST_F(NegativeGpuAVShaderSanitizer, Atan2ScalarConstant) {
    const char* cs_source = R"(
               OpCapability Shader
          %2 = OpExtInstImport "GLSL.std.450"
               OpMemoryModel Logical GLSL450
               OpEntryPoint GLCompute %main "main"
               OpExecutionMode %main LocalSize 1 1 1
               OpDecorate %SSBO Block
               OpMemberDecorate %SSBO 0 Offset 0
               OpDecorate %var Binding 0
               OpDecorate %var DescriptorSet 0
       %void = OpTypeVoid
          %4 = OpTypeFunction %void
      %float = OpTypeFloat 32
%_ptr_Function_float = OpTypePointer Function %float
    %float_0 = OpConstant %float 0
       %SSBO = OpTypeStruct %float
%_ptr_StorageBuffer_SSBO = OpTypePointer StorageBuffer %SSBO
        %var = OpVariable %_ptr_StorageBuffer_SSBO StorageBuffer
        %int = OpTypeInt 32 1
      %int_0 = OpConstant %int 0
%_ptr_StorageBuffer_float = OpTypePointer StorageBuffer %float
       %main = OpFunction %void None %4
          %6 = OpLabel
         %16 = OpExtInst %float %2 Atan2 %float_0 %float_0
         %24 = OpAccessChain %_ptr_StorageBuffer_float %var %int_0
               OpStore %24 %16
               OpReturn
               OpFunctionEnd
    )";

    SimpleZeroComputeTest(cs_source, SPV_SOURCE_ASM, "SPIRV-Sanitizer-Atan2");
}

TEST_F(NegativeGpuAVShaderSanitizer, Atan2Vector) {
    const char* cs_source = R"glsl(
        #version 450 core
        layout(set=0, binding=0) buffer SSBO {
            vec3 x;
            vec3 y;
            vec3 result;
        };

        void main() {
            x.x = 3.0f; // now vec3(3, 0, 0)
            y.y = 1.0f; // now vec3(0, 1, 0)
            result = atan(x, y);
        }
    )glsl";

    SimpleZeroComputeTest(cs_source, SPV_SOURCE_GLSL, "SPIRV-Sanitizer-Atan2");
}

TEST_F(NegativeGpuAVShaderSanitizer, FMinNaNScalar) {
    const char* cs_source = R"glsl(
        #version 450 core
        layout(set=0, binding=0) buffer SSBO {
            float x;
            float y;
            float result;
        };

        void main() {
            y = uintBitsToFloat(0x7FC00000u); // set NaN
            result = min(x, y);
        }
    )glsl";

    SimpleZeroComputeTest(cs_source, SPV_SOURCE_GLSL, "SPIRV-Sanitizer-Fminmax");
}

TEST_F(NegativeGpuAVShaderSanitizer, FMinNaNVector) {
    const char* cs_source = R"glsl(
        #version 450 core
        layout(set=0, binding=0) buffer SSBO {
            vec2 x;
            vec2 y;
            vec2 result;
        };

        void main() {
            x.x = uintBitsToFloat(0x7FC00000u); // set NaN
            y.y = uintBitsToFloat(0x7FC00000u); // set NaN
            result = min(x, y);
        }
    )glsl";

    SimpleZeroComputeTest(cs_source, SPV_SOURCE_GLSL, "SPIRV-Sanitizer-Fminmax");
}

TEST_F(NegativeGpuAVShaderSanitizer, FMaxNaNVector) {
    const char* cs_source = R"glsl(
        #version 450 core
        layout(set=0, binding=0) buffer SSBO {
            vec4 x;
            vec4 y;
            vec4 result;
        };

        void main() {
            x.z = uintBitsToFloat(0x7FC00000u); // set NaN
            result = max(x, y);
        }
    )glsl";

    SimpleZeroComputeTest(cs_source, SPV_SOURCE_GLSL, "SPIRV-Sanitizer-Fminmax");
}