llvm-6502/test/Bindings/Ocaml/bitreader.ml

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(* RUN: rm -rf %t.builddir
* RUN: mkdir -p %t.builddir
* RUN: cp %s %t.builddir
* RUN: %ocamlopt -warn-error A llvm.cmxa llvm_bitreader.cmxa llvm_bitwriter.cmxa %t.builddir/bitreader.ml -o %t
* RUN: %t %t.bc
* RUN: llvm-dis < %t.bc
* XFAIL: vg_leak
*)
(* Note that this takes a moment to link, so it's best to keep the number of
individual tests low. *)
let context = Llvm.global_context ()
let test x = if not x then exit 1 else ()
let _ =
let fn = Sys.argv.(1) in
let m = Llvm.create_module context "ocaml_test_module" in
test (Llvm_bitwriter.write_bitcode_file m fn);
Llvm.dispose_module m;
(* parse_bitcode *)
begin
let mb = Llvm.MemoryBuffer.of_file fn in
begin try
let m = Llvm_bitreader.parse_bitcode context mb in
Llvm.dispose_module m
with x ->
Llvm.MemoryBuffer.dispose mb;
raise x
end
end;
(* MemoryBuffer.of_file *)
test begin try
let mb = Llvm.MemoryBuffer.of_file (fn ^ ".bogus") in
Llvm.MemoryBuffer.dispose mb;
false
with Llvm.IoError _ ->
true
end;
(* get_module *)
begin
let mb = Llvm.MemoryBuffer.of_file fn in
let m = begin try
Llvm_bitreader.get_module context mb
with x ->
Llvm.MemoryBuffer.dispose mb;
raise x
end in
Llvm.dispose_module m
end;
(* corrupt the bitcode *)
let fn = fn ^ ".txt" in
begin let oc = open_out fn in
output_string oc "not a bitcode file\n";
close_out oc
end;
(* test get_module exceptions *)
test begin
try
let mb = Llvm.MemoryBuffer.of_file fn in
let m = begin try
Llvm_bitreader.get_module context mb
with x ->
Llvm.MemoryBuffer.dispose mb;
raise x
end in
Llvm.dispose_module m;
false
with Llvm_bitreader.Error _ ->
true
end