test/Bindings/Ocaml/bitreader.ml

   1 (* RUN: %ocamlopt -warn-error A llvm.cmxa llvm_bitreader.cmxa llvm_bitwriter.cmxa %s -o %t
   2  * RUN: %t %t.bc
   3  * RUN: llvm-dis < %t.bc | grep caml_int_ty
   4  * XFAIL: vg_leak
   5  *)
   6
   7 (* Note that this takes a moment to link, so it's best to keep the number of
   8    individual tests low. *)
   9
  10 let context = Llvm.global_context ()
  11
  12 let test x = if not x then exit 1 else ()
  13
  14 let _ =
  15   let fn = Sys.argv.(1) in
  16   let m = Llvm.create_module context "ocaml_test_module" in
  17
  18   ignore (Llvm.define_type_name "caml_int_ty" (Llvm.i32_type context) m);
  19
  20   test (Llvm_bitwriter.write_bitcode_file m fn);
  21
  22   Llvm.dispose_module m;
  23
  24   (* parse_bitcode *)
  25   begin
  26     let mb = Llvm.MemoryBuffer.of_file fn in
  27     begin try
  28       let m = Llvm_bitreader.parse_bitcode context mb in
  29       Llvm.dispose_module m
  30     with x ->
  31       Llvm.MemoryBuffer.dispose mb;
  32       raise x
  33     end
  34   end;
  35
  36   (* MemoryBuffer.of_file *)
  37   test begin try
  38     let mb = Llvm.MemoryBuffer.of_file (fn ^ ".bogus") in
  39     Llvm.MemoryBuffer.dispose mb;
  40     false
  41   with Llvm.IoError _ ->
  42     true
  43   end;
  44
  45   (* get_module *)
  46   begin
  47     let mb = Llvm.MemoryBuffer.of_file fn in
  48     let m = begin try
  49       Llvm_bitreader.get_module context mb
  50     with x ->
  51       Llvm.MemoryBuffer.dispose mb;
  52       raise x
  53     end in
  54     Llvm.dispose_module m
  55   end;
  56
  57   (* corrupt the bitcode *)
  58   let fn = fn ^ ".txt" in
  59   begin let oc = open_out fn in
  60     output_string oc "not a bitcode file\n";
  61     close_out oc
  62   end;
  63
  64   (* test get_module exceptions *)
  65   test begin
  66     try
  67       let mb = Llvm.MemoryBuffer.of_file fn in
  68       let m = begin try
  69         Llvm_bitreader.get_module context mb
  70       with x ->
  71         Llvm.MemoryBuffer.dispose mb;
  72         raise x
  73       end in
  74       Llvm.dispose_module m;
  75       false
  76     with Llvm_bitreader.Error _ ->
  77       true
  78   end