src/tint/writer/spirv/builder_const_assert_test.cc

// Copyright 2022 The Tint Authors.
//
// 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 "src/tint/writer/spirv/spv_dump.h"
#include "src/tint/writer/spirv/test_helper.h"

using namespace tint::number_suffixes;  // NOLINT

namespace tint::writer::spirv {
namespace {

using BuilderTest = TestHelper;

TEST_F(BuilderTest, GlobalConstAssert) {
    GlobalConstAssert(true);

    spirv::Builder& b = Build();

    ASSERT_TRUE(b.Build()) << b.error();

    // const asserts are not emitted
    EXPECT_EQ(DumpInstructions(b.types()), "");
    EXPECT_EQ(b.functions().size(), 0u);
}

TEST_F(BuilderTest, FunctionConstAssert) {
    Func("f", utils::Empty, ty.void_(), utils::Vector{ConstAssert(true)});

    spirv::Builder& b = Build();

    ASSERT_TRUE(b.Build()) << b.error();

    // const asserts are not emitted
    EXPECT_EQ(DumpInstructions(b.types()), R"(%2 = OpTypeVoid
%1 = OpTypeFunction %2
)");
    EXPECT_EQ(DumpInstructions(b.functions()[0].instructions()), R"(OpReturn
)");
}

}  // namespace
}  // namespace tint::writer::spirv