llvm/unittests/Remarks/BitstreamRemarksFormatTest.cpp

   1 //===- unittest/Support/BitstreamRemarksFormatTest.cpp - BitCodes tests ---===//
   2 //
   3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   4 // See https://llvm.org/LICENSE.txt for license information.
   5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   6 //
   7 //===----------------------------------------------------------------------===//
   8
   9 #include "llvm/Remarks/BitstreamRemarkContainer.h"
  10 #include "gtest/gtest.h"
  11
  12 using namespace llvm;
  13
  14 // The goal for this test is to observe test failures and carefully update the
  15 // constants when they change.
  16
  17 // This should not change over time.
  18 TEST(BitstreamRemarksFormat, Magic) {
  19   EXPECT_EQ(remarks::ContainerMagic, "RMRK");
  20 }
  21
  22 // This should be updated whenever any of the tests below are modified.
  23 TEST(BitstreamRemarksFormat, ContainerVersion) {
  24   EXPECT_EQ(remarks::CurrentContainerVersion, 0UL);
  25 }
  26
  27 // The values of the current blocks should not change over time.
  28 // When adding new blocks, make sure to append them to the enum.
  29 TEST(BitstreamRemarksFormat, BlockIDs) {
  30   EXPECT_EQ(remarks::META_BLOCK_ID, 8);
  31   EXPECT_EQ(remarks::REMARK_BLOCK_ID, 9);
  32 }
  33
  34 // The values of the current records should not change over time.
  35 // When adding new records, make sure to append them to the enum.
  36 TEST(BitstreamRemarksFormat, RecordIDs) {
  37   EXPECT_EQ(remarks::RECORD_FIRST, 1);
  38   EXPECT_EQ(remarks::RECORD_META_CONTAINER_INFO, 1);
  39   EXPECT_EQ(remarks::RECORD_META_REMARK_VERSION, 2);
  40   EXPECT_EQ(remarks::RECORD_META_STRTAB, 3);
  41   EXPECT_EQ(remarks::RECORD_META_EXTERNAL_FILE, 4);
  42   EXPECT_EQ(remarks::RECORD_REMARK_HEADER, 5);
  43   EXPECT_EQ(remarks::RECORD_REMARK_DEBUG_LOC, 6);
  44   EXPECT_EQ(remarks::RECORD_REMARK_HOTNESS, 7);
  45   EXPECT_EQ(remarks::RECORD_REMARK_ARG_WITH_DEBUGLOC, 8);
  46   EXPECT_EQ(remarks::RECORD_REMARK_ARG_WITHOUT_DEBUGLOC, 9);
  47   EXPECT_EQ(remarks::RECORD_LAST, 9);
  48 }