text: 
  #include "clar_libgit2.h"
  
  #include "odb.h"
  
  void test_object_raw_chars__find_invalid_chars_in_oid(void)
  {
  	git_oid out;
  	unsigned char exp[] = {
  		0x16, 0xa6, 0x77, 0x70, 0xb7,
  		0xd8, 0xd7, 0x23, 0x17, 0xc4,
  		0xb7, 0x75, 0x21, 0x3c, 0x23,
  		0xa8, 0xbd, 0x74, 0xf5, 0xe0,
  	};
  	char in[] = "16a67770b7d8d72317c4b775213c23a8bd74f5e0";
  	unsigned int i;
  
  	for (i = 0; i < 256; i++) {
  		in[38] = (char)i;
  		if (git__fromhex(i) >= 0) {
  			exp[19] = (unsigned char)(git__fromhex(i) << 4);
  			cl_git_pass(git_oid_fromstr(&out, in));
  			cl_assert(memcmp(out.id, exp, sizeof(out.id)) == 0);
  		} else {
  			cl_git_fail(git_oid_fromstr(&out, in));
  		}
  	}
  }
  
  void test_object_raw_chars__build_valid_oid_from_raw_bytes(void)
  {
  	git_oid out;
  	unsigned char exp[] = {
  		0x16, 0xa6, 0x77, 0x70, 0xb7,
  		0xd8, 0xd7, 0x23, 0x17, 0xc4,
  		0xb7, 0x75, 0x21, 0x3c, 0x23,
  		0xa8, 0xbd, 0x74, 0xf5, 0xe0,
  	};
  	git_oid_fromraw(&out, exp);
  	cl_git_pass(memcmp(out.id, exp, sizeof(out.id)));
  }
  