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// Copyright 2023 The Dawn & Tint Authors
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// 1. Redistributions of source code must retain the above copyright notice, this
// list of conditions and the following disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright notice,
// this list of conditions and the following disclaimer in the documentation
// and/or other materials provided with the distribution.
//
// 3. Neither the name of the copyright holder nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
// DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
// DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
// SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
// CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#include <string>
#include "src/tint/lang/core/ir/function_param.h"
#include "src/tint/lang/core/ir/ir_helper_test.h"
namespace tint::core::ir {
namespace {
using namespace tint::core::number_suffixes; // NOLINT
using IR_FunctionParamTest = IRTestHelper;
TEST_F(IR_FunctionParamTest, Fail_SetDuplicateBuiltin) {
EXPECT_DEATH_IF_SUPPORTED(
{
Module mod;
Builder b{mod};
auto* fp = b.FunctionParam(mod.Types().f32());
fp->SetBuiltin(BuiltinValue::kVertexIndex);
fp->SetBuiltin(BuiltinValue::kSampleMask);
},
"");
}
TEST_F(IR_FunctionParamTest, CloneEmpty) {
auto* fp = b.FunctionParam(mod.Types().f32());
auto* new_fp = clone_ctx.Clone(fp);
EXPECT_EQ(new_fp->Type(), mod.Types().f32());
EXPECT_FALSE(new_fp->Builtin().has_value());
EXPECT_FALSE(new_fp->Location().has_value());
EXPECT_FALSE(new_fp->BindingPoint().has_value());
EXPECT_FALSE(new_fp->Invariant());
}
TEST_F(IR_FunctionParamTest, Clone) {
auto* fp = b.FunctionParam(mod.Types().f32());
fp->SetBuiltin(BuiltinValue::kVertexIndex);
fp->SetLocation(
1, Interpolation{core::InterpolationType::kFlat, core::InterpolationSampling::kCentroid});
fp->SetInvariant(true);
fp->SetBindingPoint(1, 2);
auto* new_fp = clone_ctx.Clone(fp);
EXPECT_NE(fp, new_fp);
EXPECT_EQ(new_fp->Type(), mod.Types().f32());
EXPECT_TRUE(new_fp->Builtin().has_value());
EXPECT_EQ(BuiltinValue::kVertexIndex, new_fp->Builtin().value());
EXPECT_TRUE(new_fp->Location().has_value());
auto loc = new_fp->Location();
EXPECT_EQ(1u, loc->value);
EXPECT_EQ(core::InterpolationType::kFlat, loc->interpolation->type);
EXPECT_EQ(core::InterpolationSampling::kCentroid, loc->interpolation->sampling);
EXPECT_TRUE(new_fp->BindingPoint().has_value());
auto bp = new_fp->BindingPoint();
EXPECT_EQ(1u, bp->group);
EXPECT_EQ(2u, bp->binding);
EXPECT_TRUE(new_fp->Invariant());
}
TEST_F(IR_FunctionParamTest, CloneWithName) {
auto* fp = b.FunctionParam("fp", mod.Types().f32());
auto* new_fp = clone_ctx.Clone(fp);
EXPECT_EQ(std::string("fp"), mod.NameOf(new_fp).Name());
}
} // namespace
} // namespace tint::core::ir