src/tint/lang/core/constant/invalid_test.cc

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#include "src/tint/lang/core/constant/invalid.h"

#include "gtest/gtest.h"
#include "src/tint/lang/core/constant/scalar.h"
#include "src/tint/lang/core/fluent_types.h"
#include "src/tint/lang/core/type/clone_context.h"

using namespace tint::core::number_suffixes;  // NOLINT
using namespace tint::core::fluent_types;     // NOLINT

namespace tint::core::constant {
namespace {

using ConstantTest_Invalid = testing::Test;

TEST_F(ConstantTest_Invalid, AllZero) {
    Manager constants;
    auto* invalid = constants.Invalid();
    EXPECT_FALSE(invalid->AllZero());
}

TEST_F(ConstantTest_Invalid, AnyZero) {
    Manager constants;
    auto* invalid = constants.Invalid();
    EXPECT_FALSE(invalid->AnyZero());
}

TEST_F(ConstantTest_Invalid, Index) {
    Manager constants;
    auto* invalid = constants.Invalid();
    EXPECT_EQ(invalid->Index(0), nullptr);
    EXPECT_EQ(invalid->Index(1), nullptr);
    EXPECT_EQ(invalid->Index(2), nullptr);
}

TEST_F(ConstantTest_Invalid, Clone) {
    Manager constants;
    auto* invalid = constants.Invalid();

    constant::Manager mgr;
    constant::CloneContext ctx{core::type::CloneContext{{nullptr}, {nullptr, &mgr.types}}, mgr};

    auto* cloned = invalid->Clone(ctx);
    EXPECT_NE(cloned, invalid);
    ASSERT_NE(cloned, nullptr);
    EXPECT_TRUE(cloned->type->Is<core::type::Invalid>());
    EXPECT_TRUE(cloned->Is<core::constant::Invalid>());
}

}  // namespace
}  // namespace tint::core::constant