llvm/llvm/unittests/Remarks/BitstreamRemarksParsingTest.cpp

//===- unittests/Support/BitstreamRemarksParsingTest.cpp - Parsing tests --===//
//
// 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 "llvm-c/Remarks.h"
#include "llvm/Remarks/Remark.h"
#include "llvm/Remarks/RemarkParser.h"
#include "llvm/Remarks/RemarkSerializer.h"
#include "gtest/gtest.h"

usingnamespacellvm;

template <size_t N> void parseGood(const char (&Buf)[N]) { … }

TEST(BitstreamRemarks, ParsingGood) { … }

// Mandatory common part of a remark.
#define COMMON_REMARK …
// Test all the types.
TEST(BitstreamRemarks, ParsingTypes) { … }
#undef COMMON_REMARK

static inline StringRef checkStr(StringRef Str, unsigned ExpectedLen) { … }

TEST(BitstreamRemarks, Contents) { … }

static inline StringRef checkStr(LLVMRemarkStringRef Str,
                                 unsigned ExpectedLen) { … }

TEST(BitstreamRemarks, ContentsCAPI) { … }

static void parseBad(StringRef Input, const char *ErrorMsg) { … }

TEST(BitstreamRemarks, ParsingEmpty) { … }

TEST(BitstreamRemarks, ParsingBadMagic) { … }

// Testing malformed bitstream is not easy. We would need to replace bytes in
// the stream to create malformed and unknown records and blocks. There is no
// textual format for bitstream that can be decoded, modified and encoded
// back.

// FIXME: Add tests for the following error messages:
// * Error while parsing META_BLOCK: malformed record entry
// (RECORD_META_CONTAINER_INFO).
// * Error while parsing META_BLOCK: malformed record entry
// (RECORD_META_REMARK_VERSION).
// * Error while parsing META_BLOCK: malformed record entry
// (RECORD_META_STRTAB).
// * Error while parsing META_BLOCK: malformed record entry
// (RECORD_META_EXTERNAL_FILE).
// * Error while parsing META_BLOCK: unknown record entry (NUM).
// * Error while parsing REMARK_BLOCK: malformed record entry
// (RECORD_REMARK_HEADER).
// * Error while parsing REMARK_BLOCK: malformed record entry
// (RECORD_REMARK_DEBUG_LOC).
// * Error while parsing REMARK_BLOCK: malformed record entry
// (RECORD_REMARK_HOTNESS).
// * Error while parsing REMARK_BLOCK: malformed record entry
// (RECORD_REMARK_ARG_WITH_DEBUGLOC).
// * Error while parsing REMARK_BLOCK: malformed record entry
// (RECORD_REMARK_ARG_WITHOUT_DEBUGLOC).
// * Error while parsing REMARK_BLOCK: unknown record entry (NUM).
// * Error while parsing META_BLOCK: expecting [ENTER_SUBBLOCO, META_BLOCK,
// ...].
// * Error while entering META_BLOCK.
// * Error while parsing META_BLOCK: expecting records.
// * Error while parsing META_BLOCK: unterminated block.
// * Error while parsing REMARK_BLOCK: expecting [ENTER_SUBBLOCO, REMARK_BLOCK,
// ...].
// * Error while entering REMARK_BLOCK.
// * Error while parsing REMARK_BLOCK: expecting records.
// * Error while parsing REMARK_BLOCK: unterminated block.
// * Error while parsing BLOCKINFO_BLOCK: expecting [ENTER_SUBBLOCK,
// BLOCKINFO_BLOCK, ...].
// * Error while parsing BLOCKINFO_BLOCK.
// * Unexpected error while parsing bitstream.
// * Expecting META_BLOCK after the BLOCKINFO_BLOCK.
// * Error while parsing BLOCK_META: missing container version.
// * Error while parsing BLOCK_META: invalid container type.
// * Error while parsing BLOCK_META: missing container type.
// * Error while parsing BLOCK_META: missing string table.
// * Error while parsing BLOCK_META: missing remark version.
// * Error while parsing BLOCK_META: missing external file path.
// * Error while parsing external file's BLOCK_META: wrong container type.
// * Error while parsing external file's BLOCK_META: mismatching versions:
// original meta: NUM, external file meta: NUM.
// * Error while parsing BLOCK_REMARK: missing string table.
// * Error while parsing BLOCK_REMARK: missing remark type.
// * Error while parsing BLOCK_REMARK: unknown remark type.
// * Error while parsing BLOCK_REMARK: missing remark name.
// * Error while parsing BLOCK_REMARK: missing remark pass.
// * Error while parsing BLOCK_REMARK: missing remark function name.
// * Error while parsing BLOCK_REMARK: missing key in remark argument.
// * Error while parsing BLOCK_REMARK: missing value in remark argument.