llvm/unittests/Remarks/RemarksStrTabParsingTest.cpp

   1 //===- unittest/Support/RemarksStrTabParsingTest.cpp - StrTab 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/Remark.h"
  10 #include "llvm/Remarks/RemarkParser.h"
  11 #include "gtest/gtest.h"
  12
  13 using namespace llvm;
  14
  15 TEST(RemarksStrTab, ParsingEmpty) {
  16   StringRef Empty("", 0);
  17   remarks::ParsedStringTable StrTab(Empty);
  18   Expected<StringRef> Nothing = StrTab[0];
  19   EXPECT_FALSE(static_cast<bool>(Nothing));
  20   EXPECT_EQ(toString(Nothing.takeError()),
  21             "String with index 0 is out of bounds (size = 0).");
  22 }
  23
  24 TEST(RemarksStrTab, ParsingGood) {
  25   StringRef Strings("str1\0str2\0str3\0str4", 20);
  26   remarks::ParsedStringTable StrTab(Strings);
  27   Expected<StringRef> Result = StrTab[0];
  28   EXPECT_TRUE(static_cast<bool>(Result));
  29   EXPECT_EQ(*Result, "str1");
  30   Result = StrTab[1];
  31   EXPECT_TRUE(static_cast<bool>(Result));
  32   EXPECT_EQ(*Result, "str2");
  33   Result = StrTab[2];
  34   EXPECT_TRUE(static_cast<bool>(Result));
  35   EXPECT_EQ(*Result, "str3");
  36   Result = StrTab[3];
  37   EXPECT_TRUE(static_cast<bool>(Result));
  38   EXPECT_EQ(*Result, "str4");
  39 }