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
   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   test (Llvm_bitwriter.write_bitcode_file m fn);
  19
  20   Llvm.dispose_module m;
  21
  22   (* parse_bitcode *)
  23   begin
  24     let mb = Llvm.MemoryBuffer.of_file fn in
  25     begin try
  26       let m = Llvm_bitreader.parse_bitcode context mb in
  27       Llvm.dispose_module m
  28     with x ->
  29       Llvm.MemoryBuffer.dispose mb;
  30       raise x
  31     end
  32   end;
  33
  34   (* MemoryBuffer.of_file *)
  35   test begin try
  36     let mb = Llvm.MemoryBuffer.of_file (fn ^ ".bogus") in
  37     Llvm.MemoryBuffer.dispose mb;
  38     false
  39   with Llvm.IoError _ ->
  40     true
  41   end;
  42
  43   (* get_module *)
  44   begin
  45     let mb = Llvm.MemoryBuffer.of_file fn in
  46     let m = begin try
  47       Llvm_bitreader.get_module context mb
  48     with x ->
  49       Llvm.MemoryBuffer.dispose mb;
  50       raise x
  51     end in
  52     Llvm.dispose_module m
  53   end;
  54
  55   (* corrupt the bitcode *)
  56   let fn = fn ^ ".txt" in
  57   begin let oc = open_out fn in
  58     output_string oc "not a bitcode file\n";
  59     close_out oc
  60   end;
  61
  62   (* test get_module exceptions *)
  63   test begin
  64     try
  65       let mb = Llvm.MemoryBuffer.of_file fn in
  66       let m = begin try
  67         Llvm_bitreader.get_module context mb
  68       with x ->
  69         Llvm.MemoryBuffer.dispose mb;
  70         raise x
  71       end in
  72       Llvm.dispose_module m;
  73       false
  74     with Llvm_bitreader.Error _ ->
  75       true
  76   end