(CommandList
  children: [
    (Assignment
      keyword: Assign_None
      pairs: [
        (assign_pair
          lhs: (LhsName name:test_description)
          op: Equal
          rhs: {(SQ <"Tests whether perf-lib facilities work">)}
          spids: [4]
        )
      ]
      spids: [4]
    )
    (C {(.)} {(./perf-lib.sh)})
    (C {(test_perf_default_repo)})
    (C {(test_perf)} {(SQ <"test_perf_default_repo works">)} 
      {(SQ <"\n"> <"\tfoo=$(git rev-parse HEAD) &&\n"> <"\ttest_export foo\n">)}
    )
    (C {(test_checkout_worktree)})
    (C {(test_perf)} {(SQ <"test_checkout_worktree works">)} 
      {
        (SQ <"\n"> <"\twt=$(find . | wc -l) &&\n"> <"\tidx=$(git ls-files | wc -l) &&\n"> 
          <"\ttest $wt -gt $idx\n">
        )
      }
    )
    (Assignment
      keyword: Assign_None
      pairs: [(assign_pair lhs:(LhsName name:baz) op:Equal rhs:{(baz)} spids:[47])]
      spids: [47]
    )
    (C {(test_export)} {(baz)})
    (C {(test_expect_success)} {(SQ <"test_export works">)} 
      {
        (SQ <"\n"> <"\techo \"$foo\" &&\n"> <"\ttest \"$foo\" = \"$(git rev-parse HEAD)\" &&\n"> 
          <"\techo \"$baz\" &&\n"> <"\ttest \"$baz\" = baz\n">
        )
      }
    )
    (C {(test_perf)} {(SQ <"export a weird var">)} 
      {(SQ <"\n"> <"\tbar=\"weird # variable\" &&\n"> <"\ttest_export bar\n">)}
    )
    (C {(test_expect_success)} {(SQ <"test_export works with weird vars">)} 
      {(SQ <"\n"> <"\techo \"$bar\" &&\n"> <"\ttest \"$bar\" = \"weird # variable\"\n">)}
    )
    (C {(test_perf)} {(SQ <"important variables available in subshells">)} 
      {
        (SQ <"\n"> <"\ttest -n \"$HOME\" &&\n"> <"\ttest -n \"$TEST_DIRECTORY\" &&\n"> 
          <"\ttest -n \"$TRASH_DIRECTORY\" &&\n"> <"\ttest -n \"$GIT_BUILD_DIR\"\n">
        )
      }
    )
    (C {(test_perf)} {(SQ <"test-lib-functions correctly loaded in subshells">)} 
      {
        (SQ <"\n"> <"\t: >a &&\n"> <"\ttest_path_is_file a &&\n"> <"\t: >b &&\n"> <"\ttest_cmp a b\n">)
      }
    )
    (C {(test_done)})
  ]
)