1 //===- unittests/Driver/ToolChainTest.cpp --- ToolChain 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 // Unit tests for ToolChains.
11 //
12 //===----------------------------------------------------------------------===//
13 
14 #include "clang/Driver/ToolChain.h"
15 #include "clang/Basic/DiagnosticIDs.h"
16 #include "clang/Basic/DiagnosticOptions.h"
17 #include "clang/Basic/LLVM.h"
18 #include "clang/Basic/VirtualFileSystem.h"
19 #include "clang/Driver/Compilation.h"
20 #include "clang/Driver/Driver.h"
21 #include "llvm/Support/raw_ostream.h"
22 #include "gtest/gtest.h"
23 using namespace clang;
24 using namespace clang::driver;
25 
26 namespace {
27 
28 TEST(ToolChainTest, VFSGCCInstallation) {
29   IntrusiveRefCntPtr<DiagnosticOptions> DiagOpts = new DiagnosticOptions();
30 
31   IntrusiveRefCntPtr<DiagnosticIDs> DiagID(new DiagnosticIDs());
32   struct TestDiagnosticConsumer : public DiagnosticConsumer {};
33   DiagnosticsEngine Diags(DiagID, &*DiagOpts, new TestDiagnosticConsumer);
34   IntrusiveRefCntPtr<vfs::InMemoryFileSystem> InMemoryFileSystem(
35       new vfs::InMemoryFileSystem);
36   Driver TheDriver("/usr/bin/clang", "arm-linux-gnueabihf", Diags,
37                    InMemoryFileSystem);
38 
39   const char *EmptyFiles[] = {
40       "foo.cpp",
41       "/usr/bin/clang",
42       "/usr/lib/gcc/arm-linux-gnueabi/4.6.1/crtbegin.o",
43       "/usr/lib/gcc/arm-linux-gnueabi/4.6.1/crtend.o",
44       "/usr/lib/gcc/arm-linux-gnueabihf/4.6.3/crtbegin.o",
45       "/usr/lib/gcc/arm-linux-gnueabihf/4.6.3/crtend.o",
46       "/usr/lib/arm-linux-gnueabi/crt1.o",
47       "/usr/lib/arm-linux-gnueabi/crti.o",
48       "/usr/lib/arm-linux-gnueabi/crtn.o",
49       "/usr/lib/arm-linux-gnueabihf/crt1.o",
50       "/usr/lib/arm-linux-gnueabihf/crti.o",
51       "/usr/lib/arm-linux-gnueabihf/crtn.o",
52       "/usr/include/arm-linux-gnueabi/.keep",
53       "/usr/include/arm-linux-gnueabihf/.keep",
54       "/lib/arm-linux-gnueabi/.keep",
55       "/lib/arm-linux-gnueabihf/.keep"};
56 
57   for (const char *Path : EmptyFiles)
58     InMemoryFileSystem->addFile(Path, 0,
59                                 llvm::MemoryBuffer::getMemBuffer("\n"));
60 
61   std::unique_ptr<Compilation> C(
62       TheDriver.BuildCompilation({"-fsyntax-only", "foo.cpp"}));
63 
64   std::string S;
65   {
66     llvm::raw_string_ostream OS(S);
67     C->getDefaultToolChain().printVerboseInfo(OS);
68   }
69 #if LLVM_ON_WIN32
70   std::replace(S.begin(), S.end(), '\\', '/');
71 #endif
72   EXPECT_EQ(
73       "Found candidate GCC installation: "
74       "/usr/lib/gcc/arm-linux-gnueabihf/4.6.3\n"
75       "Selected GCC installation: /usr/lib/gcc/arm-linux-gnueabihf/4.6.3\n"
76       "Candidate multilib: .;@m32\n"
77       "Selected multilib: .;@m32\n",
78       S);
79 }
80 
81 } // end anonymous namespace
82