096cad59df
This patch fixes: clang/unittests/Serialization/SourceLocationEncodingTest.cpp:39:34: error: unused variable 'Biggest' [-Werror,-Wunused-const-variable]
52 lines
1.7 KiB
C++
52 lines
1.7 KiB
C++
//===- unittests/Serialization/SourceLocationEncodingTests.cpp ------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#include "clang/Serialization/SourceLocationEncoding.h"
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#include "gtest/gtest.h"
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#include <climits>
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#include <optional>
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using namespace llvm;
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using namespace clang;
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namespace {
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// Convert a single source location into encoded form and back.
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// If ExpectedEncoded is provided, verify the encoded value too.
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// Loc is the raw (in-memory) form of SourceLocation.
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void roundTrip(SourceLocation::UIntTy Loc,
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std::optional<uint64_t> ExpectedEncoded = std::nullopt) {
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uint64_t ActualEncoded = SourceLocationEncoding::encode(
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SourceLocation::getFromRawEncoding(Loc), /*BaseOffset=*/0,
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/*BaseModuleFileIndex=*/0);
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if (ExpectedEncoded) {
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ASSERT_EQ(ActualEncoded, *ExpectedEncoded) << "Encoding " << Loc;
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}
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SourceLocation::UIntTy DecodedEncoded =
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SourceLocationEncoding::decode(ActualEncoded).first.getRawEncoding();
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ASSERT_EQ(DecodedEncoded, Loc) << "Decoding " << ActualEncoded;
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}
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constexpr SourceLocation::UIntTy MacroBit =
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1 << (sizeof(SourceLocation::UIntTy) * CHAR_BIT - 1);
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constexpr SourceLocation::UIntTy Big = MacroBit >> 1;
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TEST(SourceLocationEncoding, Individual) {
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roundTrip(1, 2);
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roundTrip(100, 200);
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roundTrip(MacroBit, 1);
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roundTrip(MacroBit | 5, 11);
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roundTrip(Big);
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roundTrip(Big + 1);
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roundTrip(MacroBit | Big);
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roundTrip(MacroBit | (Big + 1));
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}
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} // namespace
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