1 //===-- HostInfoTest.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 "lldb/Host/HostInfo.h"
10 #include "TestingSupport/SubsystemRAII.h"
11 #include "TestingSupport/TestUtilities.h"
12 #include "lldb/Host/FileSystem.h"
13 #include "lldb/lldb-defines.h"
14 #include "llvm/Support/Host.h"
15 #include "gtest/gtest.h"
16 
17 using namespace lldb_private;
18 using namespace llvm;
19 
20 namespace {
21 class HostInfoTest : public ::testing::Test {
22   SubsystemRAII<FileSystem, HostInfo> subsystems;
23 };
24 } // namespace
25 
26 TEST_F(HostInfoTest, GetAugmentedArchSpec) {
27   // Fully specified triple should not be changed.
28   ArchSpec spec = HostInfo::GetAugmentedArchSpec("x86_64-pc-linux-gnu");
29   EXPECT_EQ(spec.GetTriple().getTriple(), "x86_64-pc-linux-gnu");
30 
31   // Same goes if we specify at least one of (os, vendor, env).
32   spec = HostInfo::GetAugmentedArchSpec("x86_64-pc");
33   EXPECT_EQ(spec.GetTriple().getTriple(), "x86_64-pc");
34 
35   // But if we specify only an arch, we should fill in the rest from the host.
36   spec = HostInfo::GetAugmentedArchSpec("x86_64");
37   Triple triple(sys::getDefaultTargetTriple());
38   EXPECT_EQ(spec.GetTriple().getArch(), Triple::x86_64);
39   EXPECT_EQ(spec.GetTriple().getOS(), triple.getOS());
40   EXPECT_EQ(spec.GetTriple().getVendor(), triple.getVendor());
41   EXPECT_EQ(spec.GetTriple().getEnvironment(), triple.getEnvironment());
42 
43   // Test LLDB_ARCH_DEFAULT
44   EXPECT_EQ(HostInfo::GetAugmentedArchSpec(LLDB_ARCH_DEFAULT).GetTriple(),
45             HostInfo::GetArchitecture(HostInfo::eArchKindDefault).GetTriple());
46 }
47 
48 TEST_F(HostInfoTest, GetHostname) {
49   // Check non-empty string input works correctly.
50   std::string s("abc");
51   EXPECT_TRUE(HostInfo::GetHostname(s));
52 }
53 
54 #if defined(__APPLE__)
55 TEST_F(HostInfoTest, GetXcodeSDK) {
56   EXPECT_FALSE(HostInfo::GetXcodeSDKPath(XcodeSDK("MacOSX.sdk")).empty());
57   // These are expected to fall back to an available version.
58   EXPECT_FALSE(HostInfo::GetXcodeSDKPath(XcodeSDK("MacOSX9999.sdk")).empty());
59   // This is expected to fail.
60   EXPECT_TRUE(HostInfo::GetXcodeSDKPath(XcodeSDK("CeciNestPasUnOS.sdk")).empty());
61 }
62 #endif
63 
64 TEST(HostInfoTestInitialization, InitTwice) {
65   llvm::VersionTuple Version;
66   {
67     SubsystemRAII<FileSystem, HostInfo> subsystems;
68     Version = HostInfo::GetOSVersion();
69   }
70 
71   {
72     SubsystemRAII<FileSystem, HostInfo> subsystems;
73     EXPECT_EQ(Version, HostInfo::GetOSVersion());
74   }
75 }
76