// Copyright 2023 The Dawn & Tint Authors
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#include "gmock/gmock.h"
#include "src/tint/lang/wgsl/writer/ast_printer/helper_test.h"

namespace tint::wgsl::writer {
namespace {

using WgslASTPrinterTest = TestHelper;

TEST_F(WgslASTPrinterTest, Emit_Requires) {
    auto* req = Require(wgsl::LanguageFeature::kReadonlyAndReadwriteStorageTextures);

    ASTPrinter& gen = Build();

    gen.EmitRequires(req);
    EXPECT_THAT(gen.Diagnostics(), testing::IsEmpty());
    EXPECT_EQ(gen.Result(), R"(requires readonly_and_readwrite_storage_textures;
)");
}

TEST_F(WgslASTPrinterTest, Emit_Requires_Multiple) {
    auto* req = create<ast::Requires>(ast::Requires::LanguageFeatures(
        {wgsl::LanguageFeature::kReadonlyAndReadwriteStorageTextures,
         wgsl::LanguageFeature::kPacked4X8IntegerDotProduct}));
    AST().AddRequires(req);

    ASTPrinter& gen = Build();

    gen.EmitRequires(req);
    EXPECT_THAT(gen.Diagnostics(), testing::IsEmpty());
    EXPECT_EQ(gen.Result(),
              R"(requires readonly_and_readwrite_storage_textures, packed_4x8_integer_dot_product;
)");
}

}  // namespace
}  // namespace tint::wgsl::writer
