initial checkin for unittest to exercise Support/Casting.h
[oota-llvm.git] / unittests / Support / Casting.cpp
1 //===---------- llvm/unittest/Support/Casting.cpp - Casting tests --------===//
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/raw_ostream.h"
11 #include "llvm/Support/Debug.h"
12 #define DEBUG_CAST_OPERATORS
13 #include "llvm/Support/Casting.h"
14
15 #include "gtest/gtest.h"
16 #include <cstdlib>
17
18 using namespace llvm;
19
20 namespace {
21
22 extern bar &B1;
23 extern const bar *B2;
24
25 TEST(CastingTest, Basics) {
26   EXPECT_TRUE(isa<foo>(B1));
27 }
28
29 bar B;
30 bar &B1 = B;
31 const bar *B2 = &B;
32 }  // anonymous namespace