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
TEST(ToolChainTest,VFSGCCInstallation)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("/bin/clang", "arm-linux-gnueabihf", Diags,
37 InMemoryFileSystem);
38
39 const char *EmptyFiles[] = {
40 "foo.cpp",
41 "/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(TheDriver.BuildCompilation(
62 {"-fsyntax-only", "--gcc-toolchain=", "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
TEST(ToolChainTest,VFSGCCInstallationRelativeDir)81 TEST(ToolChainTest, VFSGCCInstallationRelativeDir) {
82 IntrusiveRefCntPtr<DiagnosticOptions> DiagOpts = new DiagnosticOptions();
83
84 IntrusiveRefCntPtr<DiagnosticIDs> DiagID(new DiagnosticIDs());
85 struct TestDiagnosticConsumer : public DiagnosticConsumer {};
86 DiagnosticsEngine Diags(DiagID, &*DiagOpts, new TestDiagnosticConsumer);
87 IntrusiveRefCntPtr<vfs::InMemoryFileSystem> InMemoryFileSystem(
88 new vfs::InMemoryFileSystem);
89 Driver TheDriver("/home/test/bin/clang", "arm-linux-gnueabi", Diags,
90 InMemoryFileSystem);
91
92 const char *EmptyFiles[] = {
93 "foo.cpp", "/home/test/lib/gcc/arm-linux-gnueabi/4.6.1/crtbegin.o",
94 "/home/test/include/arm-linux-gnueabi/.keep"};
95
96 for (const char *Path : EmptyFiles)
97 InMemoryFileSystem->addFile(Path, 0,
98 llvm::MemoryBuffer::getMemBuffer("\n"));
99
100 std::unique_ptr<Compilation> C(TheDriver.BuildCompilation(
101 {"-fsyntax-only", "--gcc-toolchain=", "foo.cpp"}));
102
103 std::string S;
104 {
105 llvm::raw_string_ostream OS(S);
106 C->getDefaultToolChain().printVerboseInfo(OS);
107 }
108 #if LLVM_ON_WIN32
109 std::replace(S.begin(), S.end(), '\\', '/');
110 #endif
111 EXPECT_EQ("Found candidate GCC installation: "
112 "/home/test/lib/gcc/arm-linux-gnueabi/4.6.1\n"
113 "Selected GCC installation: "
114 "/home/test/bin/../lib/gcc/arm-linux-gnueabi/4.6.1\n"
115 "Candidate multilib: .;@m32\n"
116 "Selected multilib: .;@m32\n",
117 S);
118 }
119
120 } // end anonymous namespace
121