unittests/Support/DebugTest.cpp

   1 //===- llvm/unittest/Support/DebugTest.cpp --------------------------------===//
   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/Support/Debug.h"
  10 #include "llvm/Support/raw_ostream.h"
  11 #include "gtest/gtest.h"
  12
  13 #include <string>
  14 using namespace llvm;
  15
  16 #ifndef NDEBUG
  17 TEST(DebugTest, Basic) {
  18   std::string s1, s2;
  19   raw_string_ostream os1(s1), os2(s2);
  20   static const char *DT[] = {"A", "B"};
  21
  22   llvm::DebugFlag = true;
  23   setCurrentDebugTypes(DT, 2);
  24   DEBUG_WITH_TYPE("A", os1 << "A");
  25   DEBUG_WITH_TYPE("B", os1 << "B");
  26   EXPECT_EQ("AB", os1.str());
  27
  28   setCurrentDebugType("A");
  29   DEBUG_WITH_TYPE("A", os2 << "A");
  30   DEBUG_WITH_TYPE("B", os2 << "B");
  31   EXPECT_EQ("A", os2.str());
  32 }
  33 #endif