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#include "src/tint/lang/wgsl/sem/struct.h"

#include "src/tint/lang/core/type/texture.h"
#include "src/tint/lang/wgsl/sem/helper_test.h"

namespace tint::sem {
namespace {

using namespace tint::core::number_suffixes;  // NOLINT
using SemStructTest = TestHelper;

TEST_F(SemStructTest, Creation) {
    auto name = Sym("S");
    auto* impl = create<ast::Struct>(Ident(name), tint::Empty, tint::Empty);
    auto* ptr = impl;
    auto* s = create<sem::Struct>(impl, impl->name->symbol, tint::Empty, 8u /* size */);
    EXPECT_EQ(s->Declaration(), ptr);
    EXPECT_EQ(s->Align(), 0u);
    EXPECT_EQ(s->Size(), 8u);
    EXPECT_EQ(s->SizeNoPadding(), 0u);
}

TEST_F(SemStructTest, Equals) {
    auto* a_impl = create<ast::Struct>(Ident("a"), tint::Empty, tint::Empty);
    auto* a = create<sem::Struct>(a_impl, a_impl->name->symbol, tint::Empty, 4u /* size */);
    auto* b_impl = create<ast::Struct>(Ident("b"), tint::Empty, tint::Empty);
    auto* b = create<sem::Struct>(b_impl, b_impl->name->symbol, tint::Empty, 8u /* size */);

    EXPECT_TRUE(a->Equals(*a));
    EXPECT_FALSE(a->Equals(*b));
    EXPECT_FALSE(a->Equals(core::type::Void{}));
}

TEST_F(SemStructTest, FriendlyName) {
    auto name = Sym("my_struct");
    auto* impl = create<ast::Struct>(Ident(name), tint::Empty, tint::Empty);
    auto* s = create<sem::Struct>(impl, impl->name->symbol, tint::Empty, 4u /* size */);
    EXPECT_EQ(s->FriendlyName(), "my_struct");
}

}  // namespace
}  // namespace tint::sem
