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// Copyright 2023 The Dawn & Tint Authors
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// 1. Redistributions of source code must retain the above copyright notice, this
// list of conditions and the following disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright notice,
// this list of conditions and the following disclaimer in the documentation
// and/or other materials provided with the distribution.
//
// 3. Neither the name of the copyright holder nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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// DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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#include "src/tint/lang/wgsl/writer/ast_printer/helper_test.h"
#include "gmock/gmock.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;
)");
}
// TODO(jrprice): Enable this once we have multiple language features.
TEST_F(WgslASTPrinterTest, DISABLED_Emit_Requires_Multiple) {
auto* req = create<ast::Requires>(ast::Requires::LanguageFeatures(
{wgsl::LanguageFeature::kReadonlyAndReadwriteStorageTextures,
wgsl::LanguageFeature::kReadonlyAndReadwriteStorageTextures}));
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, readonly_and_readwrite_storage_textures;
)");
}
} // namespace
} // namespace tint::wgsl::writer