(CommandList
  children: [
    (Assignment
      keyword: Assign_None
      pairs: [
        (assign_pair
          lhs: (LhsName name:test_description)
          op: Equal
          rhs: {(SQ <"git am with corrupt input">)}
          spids: [4]
        )
      ]
      spids: [4]
    )
    (C {(.)} {(./test-lib.sh)})
    (C {(test_expect_success)} {(setup)} 
      {
        (SQ <"\n"> <"\t# Note the missing \"+++\" line:\n"> <"\tcat >bad-patch.diff <<-\\EOF &&\n"> 
          <"\tFrom: A U Thor <au.thor@example.com>\n"> <"\tdiff --git a/f b/f\n"> <"\tindex 7898192..6178079 100644\n"> <"\t--- a/f\n"> <"\t@@ -1 +1 @@\n"> 
          <"\t-a\n"> <"\t+b\n"> <"\tEOF\n"> <"\n"> <"\techo a >f &&\n"> <"\tgit add f &&\n"> <"\ttest_tick &&\n"> 
          <"\tgit commit -m initial\n">
        )
      }
    )
    (C {(test_expect_success)} {(SQ <"try to apply corrupted patch">)} 
      {(SQ <"\n"> <"\ttest_must_fail git am bad-patch.diff 2>actual\n">)}
    )
    (C {(test_expect_success)} {(SQ <"compare diagnostic; ensure file is still here">)} 
      {
        (SQ <"\n"> 
          <"\techo \"error: git diff header lacks filename information (line 4)\" >expected &&\n"> <"\ttest_path_is_file f &&\n"> <"\ttest_i18ncmp expected actual\n">
        )
      }
    )
    (C {(test_done)})
  ]
)