llvm-project/lldb/unittests/Core/ArchSpecTest.cpp

//===-- ArchSpecTest.cpp ----------------------------------------*- C++ -*-===//
//
//                     The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//

#include "gtest/gtest.h"

#include "lldb/Core/ArchSpec.h"

using namespace lldb;
using namespace lldb_private;

TEST(ArchSpecTest, TestParseMachCPUDashSubtypeTripleSimple) {

  // Success conditions.  Valid cpu/subtype combinations using both - and .
  ArchSpec AS;
  EXPECT_TRUE(ParseMachCPUDashSubtypeTriple("12-10", AS));
  EXPECT_EQ(12, AS.GetMachOCPUType());
  EXPECT_EQ(10, AS.GetMachOCPUSubType());

  AS = ArchSpec();
  EXPECT_TRUE(ParseMachCPUDashSubtypeTriple("12-15", AS));
  EXPECT_EQ(12, AS.GetMachOCPUType());
  EXPECT_EQ(15, AS.GetMachOCPUSubType());

  AS = ArchSpec();
  EXPECT_TRUE(ParseMachCPUDashSubtypeTriple("12.15", AS));
  EXPECT_EQ(12, AS.GetMachOCPUType());
  EXPECT_EQ(15, AS.GetMachOCPUSubType());

  // Failure conditions.

  // Valid string, unknown cpu/subtype.
  AS = ArchSpec();
  EXPECT_TRUE(ParseMachCPUDashSubtypeTriple("13.11", AS));
  EXPECT_EQ(0, AS.GetMachOCPUType());
  EXPECT_EQ(0, AS.GetMachOCPUSubType());

  // Missing / invalid cpu or subtype
  AS = ArchSpec();
  EXPECT_FALSE(ParseMachCPUDashSubtypeTriple("13", AS));

  AS = ArchSpec();
  EXPECT_FALSE(ParseMachCPUDashSubtypeTriple("13.A", AS));

  AS = ArchSpec();
  EXPECT_FALSE(ParseMachCPUDashSubtypeTriple("A.13", AS));

  // Empty string.
  AS = ArchSpec();
  EXPECT_FALSE(ParseMachCPUDashSubtypeTriple("", AS));
}

TEST(ArchSpecTest, TestParseMachCPUDashSubtypeTripleExtra) {
  ArchSpec AS;
  EXPECT_TRUE(ParseMachCPUDashSubtypeTriple("12-15-vendor-os", AS));
  EXPECT_EQ(12, AS.GetMachOCPUType());
  EXPECT_EQ(15, AS.GetMachOCPUSubType());
  EXPECT_EQ("vendor", AS.GetTriple().getVendorName());
  EXPECT_EQ("os", AS.GetTriple().getOSName());

  AS = ArchSpec();
  EXPECT_TRUE(ParseMachCPUDashSubtypeTriple("12-10-vendor-os-name", AS));
  EXPECT_EQ(12, AS.GetMachOCPUType());
  EXPECT_EQ(10, AS.GetMachOCPUSubType());
  EXPECT_EQ("vendor", AS.GetTriple().getVendorName());
  EXPECT_EQ("os", AS.GetTriple().getOSName());

  AS = ArchSpec();
  EXPECT_TRUE(ParseMachCPUDashSubtypeTriple("12-15-vendor.os-name", AS));
  EXPECT_EQ(12, AS.GetMachOCPUType());
  EXPECT_EQ(15, AS.GetMachOCPUSubType());
  EXPECT_EQ("vendor.os", AS.GetTriple().getVendorName());
  EXPECT_EQ("name", AS.GetTriple().getOSName());

  // These there should parse correctly, but the vendor / OS should be defaulted
  // since they are unrecognized.
  AS = ArchSpec();
  EXPECT_TRUE(ParseMachCPUDashSubtypeTriple("12-10-vendor", AS));
  EXPECT_EQ(12, AS.GetMachOCPUType());
  EXPECT_EQ(10, AS.GetMachOCPUSubType());
  EXPECT_EQ("apple", AS.GetTriple().getVendorName());
  EXPECT_EQ("", AS.GetTriple().getOSName());

  AS = ArchSpec();
  EXPECT_FALSE(ParseMachCPUDashSubtypeTriple("12.10.10", AS));

  AS = ArchSpec();
  EXPECT_FALSE(ParseMachCPUDashSubtypeTriple("12-10.10", AS));
}