//===-- XcodeSDKTest.cpp --------------------------------------------------===//
//
// 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 "gtest/gtest.h"

#include "lldb/Utility/FileSpec.h"
#include "lldb/Utility/XcodeSDK.h"

#include "llvm/ADT/StringRef.h"

#include <tuple>

using namespace lldb_private;

TEST(XcodeSDKTest, ParseTest) {
  EXPECT_EQ(XcodeSDK::GetAnyMacOS().GetType(), XcodeSDK::MacOSX);
  EXPECT_EQ(XcodeSDK("MacOSX.sdk").GetType(), XcodeSDK::MacOSX);
  EXPECT_EQ(XcodeSDK("iPhoneSimulator.sdk").GetType(), XcodeSDK::iPhoneSimulator);
  EXPECT_EQ(XcodeSDK("iPhoneOS.sdk").GetType(), XcodeSDK::iPhoneOS);
  EXPECT_EQ(XcodeSDK("AppleTVSimulator.sdk").GetType(), XcodeSDK::AppleTVSimulator);
  EXPECT_EQ(XcodeSDK("AppleTVOS.sdk").GetType(), XcodeSDK::AppleTVOS);
  EXPECT_EQ(XcodeSDK("WatchSimulator.sdk").GetType(), XcodeSDK::WatchSimulator);
  EXPECT_EQ(XcodeSDK("WatchOS.sdk").GetType(), XcodeSDK::watchOS);
  EXPECT_EQ(XcodeSDK("Linux.sdk").GetType(), XcodeSDK::Linux);
  EXPECT_EQ(XcodeSDK("MacOSX.sdk").GetVersion(), llvm::VersionTuple());
  EXPECT_EQ(XcodeSDK("MacOSX10.9.sdk").GetVersion(), llvm::VersionTuple(10, 9));
  EXPECT_EQ(XcodeSDK("MacOSX10.15.4.sdk").GetVersion(), llvm::VersionTuple(10, 15));
  EXPECT_EQ(XcodeSDK().GetType(), XcodeSDK::unknown);
  EXPECT_EQ(XcodeSDK().GetVersion(), llvm::VersionTuple());
}

TEST(XcodeSDKTest, MergeTest) {
  XcodeSDK sdk("MacOSX.sdk");
  sdk.Merge(XcodeSDK("WatchOS.sdk"));
  // This doesn't make any particular sense and shouldn't happen in practice, we
  // just want to guarantee a well-defined behavior when choosing one
  // SDK to fit all CUs in an lldb::Module.
  // -> The higher number wins.
  EXPECT_EQ(sdk.GetType(), XcodeSDK::watchOS);
  sdk.Merge(XcodeSDK("WatchOS1.1.sdk"));
  EXPECT_EQ(sdk.GetVersion(), llvm::VersionTuple(1, 1));
  sdk.Merge(XcodeSDK("WatchOS2.0.sdk"));
  EXPECT_EQ(sdk.GetVersion(), llvm::VersionTuple(2, 0));
}

TEST(XcodeSDKTest, SDKSupportsModules) {
  std::string base = "/Applications/Xcode.app/Contents/Developer/Platforms/";
  EXPECT_TRUE(XcodeSDK::SDKSupportsModules(
      XcodeSDK::Type::iPhoneSimulator,
      FileSpec(
          base +
          "iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator12.0.sdk")));
  EXPECT_FALSE(XcodeSDK::SDKSupportsModules(
      XcodeSDK::Type::iPhoneSimulator,
      FileSpec(
          base +
          "iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator7.2.sdk")));
  EXPECT_TRUE(XcodeSDK::SDKSupportsModules(
      XcodeSDK::Type::MacOSX,
      FileSpec(base + "MacOSX.platform/Developer/SDKs/MacOSX10.10.sdk")));
  EXPECT_FALSE(XcodeSDK::SDKSupportsModules(
      XcodeSDK::Type::MacOSX,
      FileSpec(base + "MacOSX.platform/Developer/SDKs/MacOSX10.9.sdk")));
}

TEST(XcodeSDKTest, GetSDKNameForType) {
  EXPECT_EQ("macosx", XcodeSDK::GetSDKNameForType(XcodeSDK::Type::MacOSX));
  EXPECT_EQ("iphonesimulator",
            XcodeSDK::GetSDKNameForType(XcodeSDK::Type::iPhoneSimulator));
  EXPECT_EQ("iphoneos", XcodeSDK::GetSDKNameForType(XcodeSDK::Type::iPhoneOS));
  EXPECT_EQ("appletvsimulator",
            XcodeSDK::GetSDKNameForType(XcodeSDK::Type::AppleTVSimulator));
  EXPECT_EQ("appletvos",
            XcodeSDK::GetSDKNameForType(XcodeSDK::Type::AppleTVOS));
  EXPECT_EQ("watchsimulator",
            XcodeSDK::GetSDKNameForType(XcodeSDK::Type::WatchSimulator));
  EXPECT_EQ("watchos", XcodeSDK::GetSDKNameForType(XcodeSDK::Type::watchOS));
  EXPECT_EQ("linux", XcodeSDK::GetSDKNameForType(XcodeSDK::Type::Linux));
  EXPECT_EQ("", XcodeSDK::GetSDKNameForType(XcodeSDK::Type::numSDKTypes));
  EXPECT_EQ("", XcodeSDK::GetSDKNameForType(XcodeSDK::Type::unknown));
}