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      1 //===- llvm/unittest/Support/DebugTest.cpp --------------------------------===//
      2 //
      3 //                     The LLVM Compiler Infrastructure
      4 //
      5 // This file is distributed under the University of Illinois Open Source
      6 // License. See LICENSE.TXT for details.
      7 //
      8 //===----------------------------------------------------------------------===//
      9 
     10 #include "llvm/Support/Debug.h"
     11 #include "llvm/Support/raw_ostream.h"
     12 #include "gtest/gtest.h"
     13 
     14 #include <string>
     15 using namespace llvm;
     16 
     17 #ifndef NDEBUG
     18 TEST(DebugTest, Basic) {
     19   std::string s1, s2;
     20   raw_string_ostream os1(s1), os2(s2);
     21   static const char *DT[] = {"A", "B"};
     22 
     23   llvm::DebugFlag = true;
     24   setCurrentDebugTypes(DT, 2);
     25   DEBUG_WITH_TYPE("A", os1 << "A");
     26   DEBUG_WITH_TYPE("B", os1 << "B");
     27   EXPECT_EQ("AB", os1.str());
     28 
     29   setCurrentDebugType("A");
     30   DEBUG_WITH_TYPE("A", os2 << "A");
     31   DEBUG_WITH_TYPE("B", os2 << "B");
     32   EXPECT_EQ("A", os2.str());
     33 }
     34 #endif
     35