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//===- unittest/Format/FormatTestTableGen.cpp -----------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//

#include "FormatTestUtils.h"
#include "clang/Format/Format.h"
#include "llvm/Support/Debug.h"
#include "gtest/gtest.h"

#define DEBUG_TYPE "format-test"

namespace clang {
namespace format {

class FormatTestTableGen : public ::testing::Test {
protected:
  static std::string format(llvm::StringRef Code, unsigned Offset,
                            unsigned Length, const FormatStyle &Style) {
    LLVM_DEBUG(llvm::errs() << "---\n");
    LLVM_DEBUG(llvm::errs() << Code << "\n\n");
    std::vector<tooling::Range> Ranges(1, tooling::Range(Offset, Length));
    tooling::Replacements Replaces = reformat(Style, Code, Ranges);
    auto Result = applyAllReplacements(Code, Replaces);
    EXPECT_TRUE(static_cast<bool>(Result));
    LLVM_DEBUG(llvm::errs() << "\n" << *Result << "\n\n");
    return *Result;
  }

  static std::string format(llvm::StringRef Code) {
    FormatStyle Style = getGoogleStyle(FormatStyle::LK_TableGen);
    Style.ColumnLimit = 60; // To make writing tests easier.
    return format(Code, 0, Code.size(), Style);
  }

  static void verifyFormat(llvm::StringRef Code) {
    EXPECT_EQ(Code.str(), format(Code)) << "Expected code is not stable";
    EXPECT_EQ(Code.str(), format(test::messUp(Code)));
  }
};

TEST_F(FormatTestTableGen, FormatStringBreak) {
  verifyFormat("include \"OptParser.td\"\n"
               "def flag : Flag<\"--foo\">,\n"
               "           HelpText<\n"
               "               \"This is a very, very, very, very, \"\n"
               "               \"very, very, very, very, very, very, \"\n"
               "               \"very long help string\">;\n");
}

TEST_F(FormatTestTableGen, NoSpacesInSquareBracketLists) {
  verifyFormat("def flag : Flag<[\"-\", \"--\"], \"foo\">;\n");
}

} // namespace format
} // end namespace clang