gcc/testsuite/jit.dg/test-error-ctor-struct-too-big.c

/*

  Test that the proper error is triggered when we build a ctor
  for an struct type, but have too many fields and values.

*/

#include <stdlib.h>
#include <stdio.h>

#include "libgccjit.h"
#include "harness.h"

void
create_code (gcc_jit_context *ctxt, void *user_data)
{
  gcc_jit_type *int_type = gcc_jit_context_get_type (ctxt,
    GCC_JIT_TYPE_INT);

  gcc_jit_field *b1 = gcc_jit_context_new_field (ctxt,
						 0,
						 int_type,
						 "a");
  gcc_jit_field *b2 = gcc_jit_context_new_field (ctxt,
						 0,
						 int_type,
						 "b");
  gcc_jit_field *b3 = gcc_jit_context_new_field (ctxt,
						 0,
						 int_type,
						 "c");
  gcc_jit_field *fields_b[] = {b1, b2, b3};

  gcc_jit_type *struct_bar_type =
    gcc_jit_struct_as_type (
      gcc_jit_context_new_struct_type (ctxt,
				       0,
				       "bar",
				       3,
				       fields_b));

  gcc_jit_field *fields_ctor[] = {b1, b2, b3, b3};
  gcc_jit_rvalue *values[] = {0,0,0,0};

  gcc_jit_rvalue *ctor = gcc_jit_context_new_struct_constructor
    (ctxt, 0,
     struct_bar_type,
     4,
     fields_ctor,
     values);

  CHECK_VALUE (ctor, NULL);
}

void
verify_code (gcc_jit_context *ctxt, gcc_jit_result *result)
{
  /* Ensure that the bad API usage prevents the API giving a bogus
     result back.  */
  CHECK_VALUE (result, NULL);

  /* Verify that the correct error message was emitted. */
  CHECK_STRING_VALUE (gcc_jit_context_get_first_error (ctxt),
		      "gcc_jit_context_new_struct_constructor: more values in "
		      "constructor (n=4) than fields in target struct "
		      "bar (n=3)");
  CHECK_STRING_VALUE (gcc_jit_context_get_last_error (ctxt),
		      "gcc_jit_context_new_struct_constructor: more values in "
		      "constructor (n=4) than fields in target struct "
		      "bar (n=3)");
}