gn analyze output:
{
  "compile_targets": [],
  "status": "No dependency",
  "test_targets": []
}
gn analyze input:
{
  "files": [
    "//lldb/include/lldb/Core/SourceManager.h",
    "//lldb/source/Commands/CommandObjectSource.cpp",
    "//lldb/source/Core/SourceManager.cpp",
    "//lldb/test/Shell/Commands/command-list-reach-beginning-of-file.test",
    "//lldb/test/Shell/Commands/command-list-reach-end-of-file.test"
  ],
  "test_targets": [
    "//clang-tools-extra/clangd/test:check-clangd",
    "//clang-tools-extra/test:check-clang-tools",
    "//clang/test:check-clang",
    "//compiler-rt/test/hwasan:check-hwasan",
    "//lld/test:check-lld",
    "//llvm/test:check-llvm"
  ],
  "additional_compile_targets": []
}