test/val/val_primitives_test.cpp

// Copyright (c) 2017 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 <sstream>
#include <string>

#include "gmock/gmock.h"
#include "unit_spirv.h"
#include "val_fixtures.h"

namespace {

using ::testing::HasSubstr;
using ::testing::Not;

using ValidatePrimitives = spvtest::ValidateBase<bool>;

std::string GenerateShaderCode(
    const std::string& body,
    const std::string& capabilities_and_extensions = "",
    const std::string& execution_model = "Geometry") {
  std::ostringstream ss;
  ss << R"(
OpCapability Geometry
OpCapability GeometryStreams
)";

  ss << capabilities_and_extensions;
  ss << "OpMemoryModel Logical GLSL450\n";
  ss << "OpEntryPoint " << execution_model << " %main \"main\"\n";

  ss << R"(
%void = OpTypeVoid
%func = OpTypeFunction %void
%f32 = OpTypeFloat 32
%u32 = OpTypeInt 32 0
%u32vec4 = OpTypeVector %u32 4

%f32_0 = OpConstant %f32 0
%u32_0 = OpConstant %u32 0
%u32_1 = OpConstant %u32 1
%u32_2 = OpConstant %u32 2
%u32_3 = OpConstant %u32 3
%u32vec4_0123 = OpConstantComposite %u32vec4 %u32_0 %u32_1 %u32_2 %u32_3

%main = OpFunction %void None %func
%main_entry = OpLabel
)";

  ss << body;

  ss << R"(
OpReturn
OpFunctionEnd)";

  return ss.str();
}

TEST_F(ValidatePrimitives, EmitStreamVertexSuccess) {
  const std::string body = R"(
OpEmitStreamVertex %u32_0
)";

  CompileSuccessfully(GenerateShaderCode(body).c_str());
  ASSERT_EQ(SPV_SUCCESS, ValidateInstructions());
}

TEST_F(ValidatePrimitives, EmitStreamVertexNonInt) {
  const std::string body = R"(
OpEmitStreamVertex %f32_0
)";

  CompileSuccessfully(GenerateShaderCode(body).c_str());
  ASSERT_EQ(SPV_ERROR_INVALID_DATA, ValidateInstructions());
  EXPECT_THAT(getDiagnosticString(),
              HasSubstr("EmitStreamVertex: "
                        "expected Stream to be int scalar"));
}

TEST_F(ValidatePrimitives, EmitStreamVertexNonScalar) {
  const std::string body = R"(
OpEmitStreamVertex %u32vec4_0123
)";

  CompileSuccessfully(GenerateShaderCode(body).c_str());
  ASSERT_EQ(SPV_ERROR_INVALID_DATA, ValidateInstructions());
  EXPECT_THAT(getDiagnosticString(),
              HasSubstr("EmitStreamVertex: "
                        "expected Stream to be int scalar"));
}

TEST_F(ValidatePrimitives, EmitStreamVertexNonConstant) {
  const std::string body = R"(
%val1 = OpIAdd %u32 %u32_0 %u32_1
OpEmitStreamVertex %val1
)";

  CompileSuccessfully(GenerateShaderCode(body).c_str());
  ASSERT_EQ(SPV_ERROR_INVALID_DATA, ValidateInstructions());
  EXPECT_THAT(getDiagnosticString(),
              HasSubstr("EmitStreamVertex: "
                        "expected Stream to be constant instruction"));
}

TEST_F(ValidatePrimitives, EndStreamPrimitiveSuccess) {
  const std::string body = R"(
OpEndStreamPrimitive %u32_0
)";

  CompileSuccessfully(GenerateShaderCode(body).c_str());
  ASSERT_EQ(SPV_SUCCESS, ValidateInstructions());
}

TEST_F(ValidatePrimitives, EndStreamPrimitiveNonInt) {
  const std::string body = R"(
OpEndStreamPrimitive %f32_0
)";

  CompileSuccessfully(GenerateShaderCode(body).c_str());
  ASSERT_EQ(SPV_ERROR_INVALID_DATA, ValidateInstructions());
  EXPECT_THAT(getDiagnosticString(),
              HasSubstr("EndStreamPrimitive: "
                        "expected Stream to be int scalar"));
}

TEST_F(ValidatePrimitives, EndStreamPrimitiveNonScalar) {
  const std::string body = R"(
OpEndStreamPrimitive %u32vec4_0123
)";

  CompileSuccessfully(GenerateShaderCode(body).c_str());
  ASSERT_EQ(SPV_ERROR_INVALID_DATA, ValidateInstructions());
  EXPECT_THAT(getDiagnosticString(),
              HasSubstr("EndStreamPrimitive: "
                        "expected Stream to be int scalar"));
}

TEST_F(ValidatePrimitives, EndStreamPrimitiveNonConstant) {
  const std::string body = R"(
%val1 = OpIAdd %u32 %u32_0 %u32_1
OpEndStreamPrimitive %val1
)";

  CompileSuccessfully(GenerateShaderCode(body).c_str());
  ASSERT_EQ(SPV_ERROR_INVALID_DATA, ValidateInstructions());
  EXPECT_THAT(getDiagnosticString(),
              HasSubstr("EndStreamPrimitive: "
                        "expected Stream to be constant instruction"));
}

}  // anonymous namespace