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#include "src/tint/lang/core/builtin_value.h"
#include "src/tint/lang/wgsl/ast/helper_test.h"

namespace tint::ast {
namespace {

using BuiltinAttributeTest = TestHelper;

TEST_F(BuiltinAttributeTest, Creation) {
    auto* d = Builtin(core::BuiltinValue::kFragDepth);
    CheckIdentifier(d->builtin, "frag_depth");
}

TEST_F(BuiltinAttributeTest, Assert_Null_Builtin) {
    EXPECT_DEATH_IF_SUPPORTED(
        {
            ProgramBuilder b;
            b.Builtin(nullptr);
        },
        "internal compiler error");
}

TEST_F(BuiltinAttributeTest, Assert_DifferentGenerationID_Builtin) {
    EXPECT_DEATH_IF_SUPPORTED(
        {
            ProgramBuilder b1;
            ProgramBuilder b2;
            b1.Builtin(b2.Expr("bang"));
        },
        "internal compiler error");
}

}  // namespace
}  // namespace tint::ast