src/tint/lang/core/ir/transform/add_empty_entry_point_test.cc

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#include "src/tint/lang/core/ir/transform/add_empty_entry_point.h"

#include <utility>

#include "src/tint/lang/core/ir/transform/helper_test.h"

namespace tint::core::ir::transform {
namespace {

using IR_AddEmptyEntryPointTest = TransformTest;

TEST_F(IR_AddEmptyEntryPointTest, EmptyModule) {
    auto* expect = R"(
%unused_entry_point = @compute @workgroup_size(1, 1, 1) func():void {
  $B1: {
    ret
  }
}
)";

    Run(AddEmptyEntryPoint);

    EXPECT_EQ(expect, str());
}

TEST_F(IR_AddEmptyEntryPointTest, ExistingEntryPoint) {
    auto* ep = b.Function("main", mod.Types().void_(), Function::PipelineStage::kFragment);
    ep->Block()->Append(b.Return(ep));

    auto* expect = R"(
%main = @fragment func():void {
  $B1: {
    ret
  }
}
)";

    Run(AddEmptyEntryPoint);

    EXPECT_EQ(expect, str());
}

}  // namespace
}  // namespace tint::core::ir::transform