Import LLVM 10.0.0 release including clang, lld and lldb.

ok hackroom
tested by plenty

1 files changed, 51 insertions, 0 deletions

diff --git a/gnu/llvm/lldb/unittests/Host/HostInfoTest.cpp b/gnu/llvm/lldb/unittests/Host/HostInfoTest.cpp
new file mode 100644
index 00000000000..c332606a4da
--- /dev/null
+++ b/gnu/llvm/lldb/unittests/Host/HostInfoTest.cpp
@@ -0,0 +1,51 @@
+//===-- HostInfoTest.cpp ----------------------------------------*- C++ -*-===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#include "lldb/Host/HostInfo.h"
+#include "TestingSupport/SubsystemRAII.h"
+#include "TestingSupport/TestUtilities.h"
+#include "lldb/Host/FileSystem.h"
+#include "lldb/lldb-defines.h"
+#include "gtest/gtest.h"
+
+using namespace lldb_private;
+using namespace llvm;
+
+namespace {
+class HostInfoTest : public ::testing::Test {
+  SubsystemRAII<FileSystem, HostInfo> subsystems;
+};
+} // namespace
+
+TEST_F(HostInfoTest, GetAugmentedArchSpec) {
+  // Fully specified triple should not be changed.
+  ArchSpec spec = HostInfo::GetAugmentedArchSpec("x86_64-pc-linux-gnu");
+  EXPECT_EQ(spec.GetTriple().getTriple(), "x86_64-pc-linux-gnu");
+
+  // Same goes if we specify at least one of (os, vendor, env).
+  spec = HostInfo::GetAugmentedArchSpec("x86_64-pc");
+  EXPECT_EQ(spec.GetTriple().getTriple(), "x86_64-pc");
+
+  // But if we specify only an arch, we should fill in the rest from the host.
+  spec = HostInfo::GetAugmentedArchSpec("x86_64");
+  Triple triple(sys::getDefaultTargetTriple());
+  EXPECT_EQ(spec.GetTriple().getArch(), Triple::x86_64);
+  EXPECT_EQ(spec.GetTriple().getOS(), triple.getOS());
+  EXPECT_EQ(spec.GetTriple().getVendor(), triple.getVendor());
+  EXPECT_EQ(spec.GetTriple().getEnvironment(), triple.getEnvironment());
+
+  // Test LLDB_ARCH_DEFAULT
+  EXPECT_EQ(HostInfo::GetAugmentedArchSpec(LLDB_ARCH_DEFAULT).GetTriple(),
+            HostInfo::GetArchitecture(HostInfo::eArchKindDefault).GetTriple());
+}
+
+TEST_F(HostInfoTest, GetHostname) {
+  // Check non-empty string input works correctly.
+  std::string s("abc");
+  EXPECT_TRUE(HostInfo::GetHostname(s));
+}