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 
TEST_F(HostInfoTest,GetAugmentedArchSpec)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   EXPECT_NE(
47       HostInfo::GetAugmentedArchSpec("armv7k").GetTriple().getEnvironmentName(),
48       "unknown");
49 }
50 
TEST_F(HostInfoTest,GetHostname)51 TEST_F(HostInfoTest, GetHostname) {
52   // Check non-empty string input works correctly.
53   std::string s("abc");
54   EXPECT_TRUE(HostInfo::GetHostname(s));
55 }
56 
57 #if defined(__APPLE__)
TEST_F(HostInfoTest,GetXcodeSDK)58 TEST_F(HostInfoTest, GetXcodeSDK) {
59   EXPECT_FALSE(HostInfo::GetXcodeSDKPath(XcodeSDK("MacOSX.sdk")).empty());
60   // These are expected to fall back to an available version.
61   EXPECT_FALSE(HostInfo::GetXcodeSDKPath(XcodeSDK("MacOSX9999.sdk")).empty());
62   // This is expected to fail.
63   EXPECT_TRUE(HostInfo::GetXcodeSDKPath(XcodeSDK("CeciNestPasUnOS.sdk")).empty());
64 }
65 #endif
66 
TEST(HostInfoTestInitialization,InitTwice)67 TEST(HostInfoTestInitialization, InitTwice) {
68   llvm::VersionTuple Version;
69   {
70     SubsystemRAII<FileSystem, HostInfo> subsystems;
71     Version = HostInfo::GetOSVersion();
72   }
73 
74   {
75     SubsystemRAII<FileSystem, HostInfo> subsystems;
76     EXPECT_EQ(Version, HostInfo::GetOSVersion());
77   }
78 }
79