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qpdf/qpdf/qpdf-ctest.c

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#include <qpdf/qpdf-c.h>
#include <stdio.h>
#include <assert.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include "../libqpdf/qpdf/qpdf-config.h" // for LL_FMT
static char* whoami = 0;
static qpdf_data qpdf = 0;
static FILE* safe_fopen(char const* filename, char const* mode)
{
// This function is basically a "C" port of QUtil::safe_fopen.
FILE* f = 0;
#ifdef _MSC_VER
errno_t err = fopen_s(&f, filename, mode);
if (err != 0)
{
char buf[94];
strerror_s(buf, sizeof(buf), errno);
fprintf(stderr, "%s: unable to open %s: %s\n",
whoami, filename, buf);
exit(2);
}
#else
f = fopen(filename, mode);
if (f == NULL)
{
fprintf(stderr, "%s: unable to open %s: %s\n",
whoami, filename, strerror(errno));
exit(2);
}
#endif
return f;
}
static void print_error(char const* label, qpdf_data qpdf, qpdf_error e)
{
#define POS_FMT " pos : " LL_FMT "\n"
printf("%s: %s\n", label, qpdf_get_error_full_text(qpdf, e));
printf(" code: %d\n", qpdf_get_error_code(qpdf, e));
printf(" file: %s\n", qpdf_get_error_filename(qpdf, e));
printf(POS_FMT, qpdf_get_error_file_position(qpdf, e));
printf(" text: %s\n", qpdf_get_error_message_detail(qpdf, e));
}
static void report_errors()
{
qpdf_error e = 0;
while (qpdf_more_warnings(qpdf))
{
e = qpdf_next_warning(qpdf);
print_error("warning", qpdf, e);
}
if (qpdf_has_error(qpdf))
{
e = qpdf_get_error(qpdf);
assert(qpdf_has_error(qpdf) == QPDF_FALSE);
print_error("error", qpdf, e);
}
else
{
e = qpdf_get_error(qpdf);
assert(e == 0);
assert(qpdf_get_error_code(qpdf, e) == qpdf_e_success);
// Call these to ensure that they can be called on a null
// error pointer.
(void)qpdf_get_error_full_text(qpdf, e);
(void)qpdf_get_error_filename(qpdf, e);
(void)qpdf_get_error_file_position(qpdf, e);
(void)qpdf_get_error_message_detail(qpdf, e);
}
}
static void handle_oh_error(qpdf_data qpdf, qpdf_error error, void* data)
{
char const* label = "oh error";
if (data)
{
label = *((char const**)data);
}
print_error(label, qpdf, error);
}
static void read_file_into_memory(char const* filename,
char** buf, unsigned long* size)
{
char* buf_p = 0;
FILE* f = NULL;
size_t bytes_read = 0;
size_t len = 0;
f = safe_fopen(filename, "rb");
fseek(f, 0, SEEK_END);
*size = (unsigned long) ftell(f);
fseek(f, 0, SEEK_SET);
*buf = malloc(*size);
if (*buf == NULL)
{
fprintf(stderr, "%s: unable to allocate %lu bytes\n",
whoami, *size);
exit(2);
}
buf_p = *buf;
bytes_read = 0;
len = 0;
while ((len = fread(buf_p + bytes_read, 1, *size - bytes_read, f)) > 0)
{
bytes_read += len;
}
if (bytes_read != *size)
{
if (ferror(f))
{
fprintf(stderr, "%s: failure reading file %s into memory:",
whoami, filename);
}
else
{
fprintf(stderr, "%s: premature EOF reading file %s:",
whoami, filename);
}
fprintf(stderr, " read %lu, wanted %lu\n",
(unsigned long) bytes_read, (unsigned long) *size);
exit(2);
}
fclose(f);
}
static void count_progress(int percent, void* data)
{
++(*(int*)data);
}
static void test01(char const* infile,
char const* password,
char const* outfile,
char const* outfile2)
{
qpdf_read(qpdf, infile, password);
printf("version: %s\n", qpdf_get_pdf_version(qpdf));
if (qpdf_get_pdf_extension_level(qpdf) > 0)
{
printf("extension level: %d\n", qpdf_get_pdf_extension_level(qpdf));
}
printf("linearized: %d\n", qpdf_is_linearized(qpdf));
printf("encrypted: %d\n", qpdf_is_encrypted(qpdf));
if (qpdf_is_encrypted(qpdf))
{
printf("user password: %s\n", qpdf_get_user_password(qpdf));
printf("extract for accessibility: %d\n",
qpdf_allow_accessibility(qpdf));
printf("extract for any purpose: %d\n",
qpdf_allow_extract_all(qpdf));
printf("print low resolution: %d\n",
qpdf_allow_print_low_res(qpdf));
printf("print high resolution: %d\n",
qpdf_allow_print_high_res(qpdf));
printf("modify document assembly: %d\n",
qpdf_allow_modify_assembly(qpdf));
printf("modify forms: %d\n",
qpdf_allow_modify_form(qpdf));
printf("modify annotations: %d\n",
qpdf_allow_modify_annotation(qpdf));
printf("modify other: %d\n",
qpdf_allow_modify_other(qpdf));
printf("modify anything: %d\n",
qpdf_allow_modify_all(qpdf));
}
report_errors();
}
static void test02(char const* infile,
char const* password,
char const* outfile,
char const* outfile2)
{
qpdf_set_suppress_warnings(qpdf, QPDF_TRUE);
if (((qpdf_read(qpdf, infile, password) & QPDF_ERRORS) == 0) &&
((qpdf_init_write(qpdf, outfile) & QPDF_ERRORS) == 0))
{
qpdf_set_static_ID(qpdf, QPDF_TRUE);
qpdf_write(qpdf);
}
report_errors();
}
static void test03(char const* infile,
char const* password,
char const* outfile,
char const* outfile2)
{
qpdf_read(qpdf, infile, password);
qpdf_init_write(qpdf, outfile);
qpdf_set_static_ID(qpdf, QPDF_TRUE);
qpdf_set_content_normalization(qpdf, QPDF_TRUE);
qpdf_write(qpdf);
report_errors();
}
static void test04(char const* infile,
char const* password,
char const* outfile,
char const* outfile2)
{
qpdf_set_ignore_xref_streams(qpdf, QPDF_TRUE);
qpdf_read(qpdf, infile, password);
qpdf_init_write(qpdf, outfile);
qpdf_set_static_ID(qpdf, QPDF_TRUE);
qpdf_write(qpdf);
report_errors();
}
static void test05(char const* infile,
char const* password,
char const* outfile,
char const* outfile2)
{
int count = 0;
qpdf_read(qpdf, infile, password);
qpdf_init_write(qpdf, outfile);
qpdf_register_progress_reporter(qpdf, count_progress, (void*)&count);
qpdf_set_static_ID(qpdf, QPDF_TRUE);
qpdf_set_linearization(qpdf, QPDF_TRUE);
qpdf_write(qpdf);
/* make sure progress reporter was called */
assert(count > 0);
report_errors();
}
static void test06(char const* infile,
char const* password,
char const* outfile,
char const* outfile2)
{
char* buf = NULL;
unsigned long size = 0;
read_file_into_memory(infile, &buf, &size);
qpdf_read_memory(qpdf, infile, buf, size, password);
qpdf_init_write(qpdf, outfile);
qpdf_set_static_ID(qpdf, QPDF_TRUE);
qpdf_set_object_stream_mode(qpdf, qpdf_o_generate);
qpdf_write(qpdf);
report_errors();
free(buf);
}
static void test07(char const* infile,
char const* password,
char const* outfile,
char const* outfile2)
{
qpdf_read(qpdf, infile, password);
qpdf_init_write(qpdf, outfile);
qpdf_set_static_ID(qpdf, QPDF_TRUE);
qpdf_set_qdf_mode(qpdf, QPDF_TRUE);
qpdf_write(qpdf);
report_errors();
}
static void test08(char const* infile,
char const* password,
char const* outfile,
char const* outfile2)
{
qpdf_read(qpdf, infile, password);
qpdf_init_write(qpdf, outfile);
qpdf_set_static_ID(qpdf, QPDF_TRUE);
qpdf_set_qdf_mode(qpdf, QPDF_TRUE);
qpdf_set_suppress_original_object_IDs(qpdf, QPDF_TRUE);
qpdf_write(qpdf);
report_errors();
}
static void test09(char const* infile,
char const* password,
char const* outfile,
char const* outfile2)
{
qpdf_read(qpdf, infile, password);
qpdf_init_write(qpdf, outfile);
qpdf_set_static_ID(qpdf, QPDF_TRUE);
qpdf_set_stream_data_mode(qpdf, qpdf_s_uncompress);
qpdf_write(qpdf);
report_errors();
}
static void test10(char const* infile,
char const* password,
char const* outfile,
char const* outfile2)
{
qpdf_set_attempt_recovery(qpdf, QPDF_FALSE);
qpdf_read(qpdf, infile, password);
report_errors();
}
static void test11(char const* infile,
char const* password,
char const* outfile,
char const* outfile2)
{
qpdf_read(qpdf, infile, password);
qpdf_init_write(qpdf, outfile);
qpdf_set_static_ID(qpdf, QPDF_TRUE);
qpdf_set_r2_encryption_parameters(
qpdf, "user1", "owner1", QPDF_FALSE, QPDF_TRUE, QPDF_TRUE, QPDF_TRUE);
qpdf_write(qpdf);
report_errors();
}
static void test12(char const* infile,
char const* password,
char const* outfile,
char const* outfile2)
{
qpdf_read(qpdf, infile, password);
qpdf_init_write(qpdf, outfile);
qpdf_set_static_ID(qpdf, QPDF_TRUE);
qpdf_set_r3_encryption_parameters2(
qpdf, "user2", "owner2", QPDF_TRUE, QPDF_TRUE,
QPDF_TRUE, QPDF_TRUE, QPDF_TRUE, QPDF_TRUE,
qpdf_r3p_low);
qpdf_write(qpdf);
report_errors();
}
static void test13(char const* infile,
char const* password,
char const* outfile,
char const* outfile2)
{
qpdf_read(qpdf, infile, password);
printf("user password: %s\n", qpdf_get_user_password(qpdf));
qpdf_init_write(qpdf, outfile);
qpdf_set_static_ID(qpdf, QPDF_TRUE);
qpdf_set_preserve_encryption(qpdf, QPDF_FALSE);
qpdf_write(qpdf);
report_errors();
}
static void test14(char const* infile,
char const* password,
char const* outfile,
char const* outfile2)
{
qpdf_read(qpdf, infile, password);
qpdf_init_write(qpdf, outfile);
qpdf_set_static_ID(qpdf, QPDF_TRUE);
qpdf_set_minimum_pdf_version_and_extension(qpdf, "1.7", 8);
qpdf_write(qpdf);
qpdf_init_write(qpdf, outfile2);
qpdf_set_static_ID(qpdf, QPDF_TRUE);
qpdf_force_pdf_version(qpdf, "1.4");
qpdf_write(qpdf);
report_errors();
}
static void test15(char const* infile,
char const* password,
char const* outfile,
char const* outfile2)
{
qpdf_read(qpdf, infile, password);
qpdf_init_write(qpdf, outfile);
qpdf_set_static_ID(qpdf, QPDF_TRUE);
qpdf_set_static_aes_IV(qpdf, QPDF_TRUE);
qpdf_set_r4_encryption_parameters2(
qpdf, "user2", "owner2", QPDF_TRUE, QPDF_TRUE,
QPDF_TRUE, QPDF_TRUE, QPDF_TRUE, QPDF_TRUE,
qpdf_r3p_low, QPDF_TRUE, QPDF_TRUE);
qpdf_write(qpdf);
report_errors();
}
static void print_info(char const* key)
{
char const* value = qpdf_get_info_key(qpdf, key);
printf("Info key %s: %s\n",
key, (value ? value : "(null)"));
}
static void test16(char const* infile,
char const* password,
char const* outfile,
char const* outfile2)
{
unsigned long buflen = 0L;
unsigned char const* buf = 0;
FILE* f = 0;
qpdf_read(qpdf, infile, password);
print_info("/Author");
print_info("/Producer");
print_info("/Creator");
qpdf_set_info_key(qpdf, "/Author", "Mr. Potato Head");
qpdf_set_info_key(qpdf, "/Producer", "QPDF library");
qpdf_set_info_key(qpdf, "/Creator", 0);
print_info("/Author");
print_info("/Producer");
print_info("/Creator");
qpdf_init_write_memory(qpdf);
qpdf_set_static_ID(qpdf, QPDF_TRUE);
qpdf_set_static_aes_IV(qpdf, QPDF_TRUE);
qpdf_set_stream_data_mode(qpdf, qpdf_s_uncompress);
qpdf_write(qpdf);
f = safe_fopen(outfile, "wb");
buflen = (unsigned long)(qpdf_get_buffer_length(qpdf));
buf = qpdf_get_buffer(qpdf);
fwrite(buf, 1, buflen, f);
fclose(f);
report_errors();
}
static void test17(char const* infile,
char const* password,
char const* outfile,
char const* outfile2)
{
qpdf_read(qpdf, infile, password);
qpdf_init_write(qpdf, outfile);
qpdf_set_static_ID(qpdf, QPDF_TRUE);
qpdf_set_static_aes_IV(qpdf, QPDF_TRUE);
qpdf_set_r5_encryption_parameters2(
qpdf, "user3", "owner3", QPDF_TRUE, QPDF_TRUE,
QPDF_TRUE, QPDF_TRUE, QPDF_TRUE, QPDF_TRUE,
qpdf_r3p_low, QPDF_TRUE);
qpdf_write(qpdf);
report_errors();
}
static void test18(char const* infile,
char const* password,
char const* outfile,
char const* outfile2)
{
qpdf_read(qpdf, infile, password);
qpdf_init_write(qpdf, outfile);
qpdf_set_static_ID(qpdf, QPDF_TRUE);
qpdf_set_static_aes_IV(qpdf, QPDF_TRUE);
qpdf_set_r6_encryption_parameters2(
qpdf, "user4", "owner4", QPDF_TRUE, QPDF_TRUE,
QPDF_TRUE, QPDF_TRUE, QPDF_TRUE, QPDF_TRUE,
qpdf_r3p_low, QPDF_TRUE);
qpdf_write(qpdf);
report_errors();
}
static void test19(char const* infile,
char const* password,
char const* outfile,
char const* outfile2)
{
qpdf_read(qpdf, infile, password);
qpdf_init_write(qpdf, outfile);
qpdf_set_deterministic_ID(qpdf, QPDF_TRUE);
qpdf_write(qpdf);
report_errors();
}
static void test20(char const* infile,
char const* password,
char const* outfile,
char const* outfile2)
{
qpdf_read(qpdf, infile, password);
qpdf_init_write(qpdf, outfile);
qpdf_set_static_ID(qpdf, QPDF_TRUE);
qpdf_set_static_aes_IV(qpdf, QPDF_TRUE);
qpdf_set_compress_streams(qpdf, QPDF_FALSE);
qpdf_set_decode_level(qpdf, qpdf_dl_specialized);
qpdf_write(qpdf);
report_errors();
}
static void test21(char const* infile,
char const* password,
char const* outfile,
char const* outfile2)
{
qpdf_read(qpdf, infile, password);
qpdf_init_write(qpdf, outfile);
qpdf_set_static_ID(qpdf, QPDF_TRUE);
qpdf_set_static_aes_IV(qpdf, QPDF_TRUE);
qpdf_set_preserve_unreferenced_objects(qpdf, QPDF_TRUE);
qpdf_write(qpdf);
report_errors();
}
static void test22(char const* infile,
char const* password,
char const* outfile,
char const* outfile2)
{
qpdf_read(qpdf, infile, password);
qpdf_init_write(qpdf, outfile);
qpdf_set_static_ID(qpdf, QPDF_TRUE);
qpdf_set_static_aes_IV(qpdf, QPDF_TRUE);
qpdf_set_compress_streams(qpdf, QPDF_FALSE);
qpdf_set_newline_before_endstream(qpdf, QPDF_TRUE);
qpdf_write(qpdf);
report_errors();
}
static void test23(char const* infile,
char const* password,
char const* outfile,
char const* outfile2)
{
QPDF_ERROR_CODE status = 0;
qpdf_read(qpdf, infile, password);
status = qpdf_check_pdf(qpdf);
printf("status: %d\n", status);
report_errors();
}
static void test24(char const* infile,
char const* password,
char const* outfile,
char const* outfile2)
{
/* This test case is designed for minimal.pdf. Pull objects out of
* minimal.pdf to make sure all our accessors work as expected.
*/
qpdf_read(qpdf, infile, password);
qpdf_oh trailer = qpdf_get_trailer(qpdf);
/* The library never returns 0 */
assert(trailer == 1);
/* Get root two different ways */
qpdf_oh root = qpdf_get_root(qpdf);
assert(qpdf_oh_get_generation(qpdf, root) == 0);
qpdf_oh root_from_trailer = qpdf_oh_get_key(qpdf, trailer, "/Root");
assert(qpdf_oh_get_object_id(qpdf, root) ==
qpdf_oh_get_object_id(qpdf, root_from_trailer));
/* Go to the first page and look at all the keys */
qpdf_oh pages = qpdf_oh_get_key(qpdf, root, "/Pages");
assert(qpdf_oh_is_dictionary(qpdf, pages));
assert(qpdf_oh_is_initialized(qpdf, pages));
qpdf_oh kids = qpdf_oh_get_key(qpdf, pages, "/Kids");
assert(qpdf_oh_is_array(qpdf, kids));
assert(qpdf_oh_get_array_n_items(qpdf, kids) == 1);
qpdf_oh page1 = qpdf_oh_get_array_item(qpdf, kids, 0);
qpdf_oh_begin_dict_key_iter(qpdf, page1);
while (qpdf_oh_dict_more_keys(qpdf))
{
printf("page dictionary key: %s\n", qpdf_oh_dict_next_key(qpdf));
}
/* Inspect the first page */
qpdf_oh type = qpdf_oh_get_key(qpdf, page1, "/Type");
assert(qpdf_oh_is_name(qpdf, type));
assert(strcmp(qpdf_oh_get_name(qpdf, type), "/Page") == 0);
qpdf_oh parent = qpdf_oh_get_key(qpdf, page1, "/Parent");
assert(qpdf_oh_is_indirect(qpdf, parent));
qpdf_oh mediabox = qpdf_oh_get_key(qpdf, page1, "/MediaBox");
assert(! qpdf_oh_is_scalar(qpdf, mediabox));
assert(qpdf_oh_is_array(qpdf, mediabox));
assert(qpdf_oh_get_array_n_items(qpdf, mediabox) == 4);
for (int i = 0; i < 4; ++i)
{
qpdf_oh item = qpdf_oh_get_array_item(qpdf, mediabox, i);
printf("item %d: %d %.2f\n",
i, qpdf_oh_get_int_value_as_int(qpdf, item),
qpdf_oh_get_numeric_value(qpdf, item));
}
/* Exercise different ways of looking at integers */
qpdf_oh i2 = qpdf_oh_get_array_item(qpdf, mediabox, 2);
assert(qpdf_oh_get_int_value_as_int(qpdf, i2) == 612);
assert(qpdf_oh_get_int_value(qpdf, i2) == 612ll);
assert(qpdf_oh_get_uint_value_as_uint(qpdf, i2) == 612u);
assert(qpdf_oh_get_uint_value(qpdf, i2) == 612ull);
/* Exercise accessors of other object types */
assert(! qpdf_oh_is_operator(qpdf, i2));
assert(! qpdf_oh_is_inline_image(qpdf, i2));
/* Chain calls. */
qpdf_oh encoding = qpdf_oh_get_key(
qpdf, qpdf_oh_get_key(
qpdf, qpdf_oh_get_key(
qpdf, qpdf_oh_get_key(
qpdf, page1, "/Resources"),
"/Font"),
"/F1"),
"/Encoding");
assert(strcmp(qpdf_oh_get_name(qpdf, encoding), "/WinAnsiEncoding") == 0);
/* Look at page contents to exercise stream functions */
qpdf_oh contents = qpdf_oh_get_key(qpdf, page1, "/Contents");
assert(qpdf_oh_is_stream(qpdf, contents));
qpdf_oh contents_dict = qpdf_oh_get_dict(qpdf, contents);
assert(! qpdf_oh_is_scalar(qpdf, contents));
assert(! qpdf_oh_is_scalar(qpdf, contents_dict));
qpdf_oh contents_length = qpdf_oh_get_key(qpdf, contents_dict, "/Length");
assert(qpdf_oh_is_integer(qpdf, contents_length));
assert(qpdf_oh_is_scalar(qpdf, contents_length));
assert(qpdf_oh_is_number(qpdf, contents_length));
qpdf_oh contents_array = qpdf_oh_wrap_in_array(qpdf, contents);
assert(qpdf_oh_get_array_n_items(qpdf, contents_array) == 1);
assert(qpdf_oh_get_object_id(
qpdf, qpdf_oh_get_array_item(qpdf, contents_array, 0)) ==
qpdf_oh_get_object_id(qpdf, contents));
/* Wrap in array for a non-trivial case */
qpdf_oh wrapped_contents_array =
qpdf_oh_wrap_in_array(qpdf, contents_array);
assert(qpdf_oh_get_array_n_items(qpdf, wrapped_contents_array) == 1);
assert(qpdf_oh_get_object_id(
qpdf, qpdf_oh_get_array_item(qpdf, wrapped_contents_array, 0)) ==
qpdf_oh_get_object_id(qpdf, contents));
/* Exercise functions that work with indirect objects */
qpdf_oh resources = qpdf_oh_get_key(qpdf, page1, "/Resources");
qpdf_oh procset = qpdf_oh_get_key(qpdf, resources, "/ProcSet");
assert(strcmp(qpdf_oh_unparse(qpdf, procset),
"5 0 R") == 0);
assert(strcmp(qpdf_oh_unparse_resolved(qpdf, procset),
"[ /PDF /Text ]") == 0);
qpdf_oh_make_direct(qpdf, procset);
assert(strcmp(qpdf_oh_unparse(qpdf, procset),
"[ /PDF /Text ]") == 0);
/* The replaced /ProcSet can be seen to be a direct object in the
* expected output PDF.
*/
qpdf_oh_replace_key(qpdf, resources, "/ProcSet", procset);
/* Release and access to exercise handling of object handle errors
* and to show that write still works after releasing. This test
* uses the default oh error handler, so messages get written to
* stderr. The warning about using the default error handler only
* appears once.
*/
qpdf_oh_release(qpdf, page1);
contents = qpdf_oh_get_key(qpdf, page1, "/Contents");
assert(qpdf_oh_is_null(qpdf, contents));
assert(qpdf_oh_is_array(qpdf, mediabox));
qpdf_oh_release_all(qpdf);
assert(! qpdf_oh_is_null(qpdf, mediabox));
assert(! qpdf_oh_is_array(qpdf, mediabox));
/* Make sure something is assigned when we exit so we check that
* it gets properly freed.
*/
qpdf_get_root(qpdf);
qpdf_init_write(qpdf, outfile);
qpdf_set_static_ID(qpdf, QPDF_TRUE);
qpdf_set_qdf_mode(qpdf, QPDF_TRUE);
qpdf_set_suppress_original_object_IDs(qpdf, QPDF_TRUE);
qpdf_write(qpdf);
report_errors();
}
static void test25(char const* infile,
char const* password,
char const* outfile,
char const* outfile2)
{
/* This test case is designed for minimal.pdf. */
qpdf_read(qpdf, infile, password);
qpdf_oh root = qpdf_get_root(qpdf);
/* Parse objects from a string */
qpdf_oh parsed = qpdf_oh_parse(
qpdf, "[ 1 2.0 (3\xf7) << /Four [/Five] >> null true ]");
qpdf_oh p_int = qpdf_oh_get_array_item(qpdf, parsed, 0);
qpdf_oh p_real = qpdf_oh_get_array_item(qpdf, parsed, 1);
qpdf_oh p_string = qpdf_oh_get_array_item(qpdf, parsed, 2);
qpdf_oh p_dict = qpdf_oh_get_array_item(qpdf, parsed, 3);
qpdf_oh p_null = qpdf_oh_get_array_item(qpdf, parsed, 4);
qpdf_oh p_bool = qpdf_oh_get_array_item(qpdf, parsed, 5);
assert(qpdf_oh_is_integer(qpdf, p_int) &&
qpdf_oh_get_int_value_as_int(qpdf, p_int) == 1);
assert(qpdf_oh_is_real(qpdf, p_real) &&
(strcmp(qpdf_oh_get_real_value(qpdf, p_real), "2.0") == 0) &&
qpdf_oh_get_numeric_value(qpdf, p_real) == 2.0);
assert(qpdf_oh_is_string(qpdf, p_string) &&
(strcmp(qpdf_oh_get_string_value(qpdf, p_string), "3\xf7") == 0) &&
(strcmp(qpdf_oh_get_utf8_value(qpdf, p_string), "3\xc3\xb7") == 0) &&
(strcmp(qpdf_oh_unparse_binary(qpdf, p_string), "<33f7>") == 0));
assert(qpdf_oh_is_dictionary(qpdf, p_dict));
qpdf_oh p_five = qpdf_oh_get_key(qpdf, p_dict, "/Four");
assert(qpdf_oh_is_or_has_name(qpdf, p_five, "/Five"));
assert(qpdf_oh_is_or_has_name(
qpdf, qpdf_oh_get_array_item(qpdf, p_five, 0), "/Five"));
assert(qpdf_oh_is_null(qpdf, p_null));
assert(qpdf_oh_is_bool(qpdf, p_bool) &&
(qpdf_oh_get_bool_value(qpdf, p_bool) == QPDF_TRUE));
qpdf_oh_erase_item(qpdf, parsed, 4);
qpdf_oh_insert_item(
qpdf, parsed, 2,
qpdf_oh_parse(qpdf, "<</A 1 /B 2 /C 3 /D 4>>"));
qpdf_oh new_dict = qpdf_oh_get_array_item(qpdf, parsed, 2);
assert(qpdf_oh_has_key(qpdf, new_dict, "/A"));
assert(qpdf_oh_has_key(qpdf, new_dict, "/D"));
qpdf_oh new_array = qpdf_oh_new_array(qpdf);
qpdf_oh_replace_or_remove_key(
qpdf, new_dict, "/A", qpdf_oh_new_null(qpdf));
qpdf_oh_replace_or_remove_key(
qpdf, new_dict, "/B", new_array);
qpdf_oh_replace_key(
qpdf, new_dict, "/C", qpdf_oh_new_dictionary(qpdf));
qpdf_oh_remove_key(qpdf, new_dict, "/D");
assert(! qpdf_oh_has_key(qpdf, new_dict, "/A"));
assert(! qpdf_oh_has_key(qpdf, new_dict, "/D"));
qpdf_oh_append_item(
qpdf, new_array, qpdf_oh_new_string(qpdf, "potato"));
qpdf_oh_append_item(
qpdf, new_array,
qpdf_oh_new_unicode_string(qpdf, "qww\xc3\xb7\xcf\x80"));
qpdf_oh_append_item(qpdf, new_array, qpdf_oh_new_null(qpdf)); /* 2 */
qpdf_oh_append_item(qpdf, new_array, qpdf_oh_new_null(qpdf)); /* 3 */
qpdf_oh_set_array_item(
qpdf, new_array, 2,
qpdf_oh_new_name(qpdf, "/Quack"));
qpdf_oh_append_item(
qpdf, new_array,
qpdf_oh_new_real_from_double(qpdf, 4.123, 2));
qpdf_oh_append_item(
qpdf, new_array,
qpdf_oh_new_real_from_string(qpdf, "5.0"));
qpdf_oh_append_item(
qpdf, new_array,
qpdf_oh_new_integer(qpdf, 6));
qpdf_oh_append_item(
qpdf, new_array, qpdf_oh_new_bool(qpdf, QPDF_TRUE));
qpdf_oh_replace_key(qpdf, root, "/QTest", new_dict);
qpdf_init_write(qpdf, outfile);
qpdf_set_static_ID(qpdf, QPDF_TRUE);
qpdf_set_qdf_mode(qpdf, QPDF_TRUE);
qpdf_set_suppress_original_object_IDs(qpdf, QPDF_TRUE);
qpdf_write(qpdf);
report_errors();
}
static void test26(char const* infile,
char const* password,
char const* outfile,
char const* outfile2)
{
/* Make sure we detect uninitialized objects */
qpdf_data qpdf2 = qpdf_init();
qpdf_oh trailer = qpdf_get_trailer(qpdf2);
assert(! qpdf_oh_is_initialized(qpdf2, trailer));
qpdf_cleanup(&qpdf2);
}
static void test27(char const* infile,
char const* password,
char const* outfile,
char const* outfile2)
{
/* Exercise a string with a null. Since the regular methods return
* char*, we can't see past the null character without looking
* explicitly at the length.
*/
qpdf_oh p_string_with_null = qpdf_oh_parse(qpdf, "<6f6e650074776f>");
assert(qpdf_oh_is_string(qpdf, p_string_with_null));
assert(strcmp(qpdf_oh_get_string_value(qpdf, p_string_with_null),
"one") == 0);
assert(qpdf_get_last_string_length(qpdf) == 7);
assert(memcmp(qpdf_oh_get_string_value(qpdf, p_string_with_null),
"one\000two", 7) == 0);
}
static void test28(char const* infile,
char const* password,
char const* outfile,
char const* outfile2)
{
/* This test case is designed for minimal.pdf. */
/* Look at the media box. The media box is in array. Trivially
* wrap it and also clone it and make sure we get different
* handles with the same contents.
*/
qpdf_read(qpdf, infile, password);
qpdf_oh root = qpdf_get_root(qpdf);
qpdf_oh pages = qpdf_oh_get_key(qpdf, root, "/Pages");
qpdf_oh kids = qpdf_oh_get_key(qpdf, pages, "/Kids");
qpdf_oh page1 = qpdf_oh_get_array_item(qpdf, kids, 0);
qpdf_oh mediabox = qpdf_oh_get_key(qpdf, page1, "/MediaBox");
qpdf_oh wrapped_mediabox = qpdf_oh_wrap_in_array(qpdf, mediabox);
qpdf_oh cloned_mediabox = qpdf_oh_new_object(qpdf, mediabox);
assert(wrapped_mediabox != mediabox);
assert(cloned_mediabox != mediabox);
assert(qpdf_oh_get_array_n_items(qpdf, wrapped_mediabox) == 4);
for (int i = 0; i < 4; ++i)
{
qpdf_oh item = qpdf_oh_get_array_item(qpdf, mediabox, i);
qpdf_oh item2 = qpdf_oh_get_array_item(qpdf, wrapped_mediabox, i);
qpdf_oh item3 = qpdf_oh_get_array_item(qpdf, cloned_mediabox, i);
assert(qpdf_oh_get_int_value_as_int(qpdf, item) ==
(i == 0 ? 0 :
i == 1 ? 0 :
i == 2 ? 612 :
i == 3 ? 792 :
-1));
assert(qpdf_oh_get_int_value_as_int(qpdf, item) ==
qpdf_oh_get_int_value_as_int(qpdf, item2));
assert(qpdf_oh_get_int_value_as_int(qpdf, item) ==
qpdf_oh_get_int_value_as_int(qpdf, item3));
qpdf_oh_release(qpdf, item);
}
}
static void test29(char const* infile,
char const* password,
char const* outfile,
char const* outfile2)
{
/* Trap exceptions thrown by object accessors. Type mismatches are
* errors rather than warnings when they don't have an owning QPDF
* object.
*/
char const* label = "oh error";
qpdf_register_oh_error_handler(qpdf, handle_oh_error, (void*)&label);
/* get_root fails when we have no trailer */
label = "get root";
qpdf_oh root = qpdf_get_root(qpdf);
assert(root != 0);
assert(! qpdf_oh_is_initialized(qpdf, root));
label = "bad parse";
assert(! qpdf_oh_is_initialized(qpdf, qpdf_oh_parse(qpdf, "[oops")));
report_errors();
label = "type mismatch";
assert(qpdf_oh_get_int_value_as_int(
qpdf, qpdf_oh_new_string(qpdf, "x")) == 0);
qpdf_oh int_oh = qpdf_oh_new_integer(qpdf, 12);
assert(strlen(qpdf_oh_get_string_value(qpdf, int_oh)) == 0);
// This doesn't test every possible error flow, but it tests each
// way of handling errors in the library code.
label = "array type mismatch";
assert(qpdf_oh_get_array_n_items(qpdf, int_oh) == 0);
assert(qpdf_oh_is_null(qpdf, qpdf_oh_get_array_item(qpdf, int_oh, 3)));
label = "append to non-array";
qpdf_oh_append_item(qpdf, int_oh, qpdf_oh_new_null(qpdf));
qpdf_oh array = qpdf_oh_new_array(qpdf);
label = "array bounds";
assert(qpdf_oh_is_null(qpdf, qpdf_oh_get_array_item(qpdf, array, 3)));
label = "dictionary iter type mismatch";
qpdf_oh_begin_dict_key_iter(qpdf, int_oh);
assert(qpdf_oh_dict_more_keys(qpdf) == QPDF_FALSE);
label = "dictionary type mismatch";
assert(qpdf_oh_is_null(qpdf, qpdf_oh_get_key(qpdf, int_oh, "potato")));
assert(qpdf_oh_has_key(qpdf, int_oh, "potato") == QPDF_FALSE);
report_errors();
}
static void test30(char const* infile,
char const* password,
char const* outfile,
char const* outfile2)
{
assert(qpdf_read(qpdf, infile, password) & QPDF_ERRORS);
/* Fail to handle error */
}
static void test31(char const* infile,
char const* password,
char const* outfile,
char const* outfile2)
{
/* Make sure type warnings have a specific error code. This test
* case is designed for minimal.pdf.
*/
qpdf_read(qpdf, infile, password);
qpdf_oh trailer = qpdf_get_trailer(qpdf);
assert(qpdf_oh_get_int_value(qpdf, trailer) == 0LL);
assert(! qpdf_has_error(qpdf));
assert(qpdf_more_warnings(qpdf));
qpdf_error e = qpdf_next_warning(qpdf);
assert(qpdf_get_error_code(qpdf, e) == qpdf_e_object);
report_errors();
}
static void test32(char const* infile,
char const* password,
char const* outfile,
char const* outfile2)
{
/* This test case is designed for minimal.pdf. */
assert(qpdf_read(qpdf, infile, password) == 0);
qpdf_oh page = qpdf_get_object_by_id(qpdf, 3, 0);
assert(qpdf_oh_is_dictionary(qpdf, page));
assert(qpdf_oh_has_key(qpdf, page, "/MediaBox"));
report_errors();
}
static void test33(char const* infile,
char const* password,
char const* outfile,
char const* outfile2)
{
/* This test case is designed for minimal.pdf. */
/* Convert a direct object to an indirect object and replace it. */
assert(qpdf_read(qpdf, infile, password) == 0);
qpdf_oh root = qpdf_get_root(qpdf);
qpdf_oh pages = qpdf_oh_get_key(qpdf, root, "/Pages");
qpdf_oh kids = qpdf_oh_get_key(qpdf, pages, "/Kids");
qpdf_oh page1 = qpdf_oh_get_array_item(qpdf, kids, 0);
qpdf_oh mediabox = qpdf_oh_get_key(qpdf, page1, "/MediaBox");
assert(! qpdf_oh_is_indirect(qpdf, mediabox));
qpdf_oh i_mediabox = qpdf_make_indirect_object(qpdf, mediabox);
assert(qpdf_oh_is_indirect(qpdf, i_mediabox));
qpdf_oh_replace_key(qpdf, page1, "/MediaBox", i_mediabox);
/* Replace a different indirect object */
qpdf_oh resources = qpdf_oh_get_key(qpdf, page1, "/Resources");
qpdf_oh procset = qpdf_oh_get_key(qpdf, resources, "/ProcSet");
assert(qpdf_oh_is_indirect(qpdf, procset));
qpdf_replace_object(
qpdf,
qpdf_oh_get_object_id(qpdf, procset),
qpdf_oh_get_generation(qpdf, procset),
qpdf_oh_parse(qpdf, "[/PDF]"));
qpdf_init_write(qpdf, outfile);
qpdf_set_static_ID(qpdf, QPDF_TRUE);
qpdf_set_qdf_mode(qpdf, QPDF_TRUE);
qpdf_set_suppress_original_object_IDs(qpdf, QPDF_TRUE);
qpdf_write(qpdf);
report_errors();
}
int main(int argc, char* argv[])
{
char* p = 0;
int n = 0;
char const* infile = 0;
char const* password = 0;
char const* outfile = 0;
char const* outfile2 = 0;
void (*fn)(char const*, char const*, char const*, char const*) = 0;
if ((p = strrchr(argv[0], '/')) != NULL)
{
whoami = p + 1;
}
else if ((p = strrchr(argv[0], '\\')) != NULL)
{
whoami = p + 1;
}
else
{
whoami = argv[0];
}
if ((argc == 2) && (strcmp(argv[1], "--version") == 0))
{
printf("qpdf-ctest version %s\n", qpdf_get_qpdf_version());
return 0;
}
if (argc < 5)
{
fprintf(stderr, "usage: %s n infile password outfile\n", whoami);
exit(2);
}
n = atoi(argv[1]);
infile = argv[2];
password = argv[3];
outfile = argv[4];
outfile2 = (argc > 5 ? argv[5] : 0);
fn = ((n == 1) ? test01 :
(n == 2) ? test02 :
(n == 3) ? test03 :
(n == 4) ? test04 :
(n == 5) ? test05 :
(n == 6) ? test06 :
(n == 7) ? test07 :
(n == 8) ? test08 :
(n == 9) ? test09 :
(n == 10) ? test10 :
(n == 11) ? test11 :
(n == 12) ? test12 :
(n == 13) ? test13 :
(n == 14) ? test14 :
(n == 15) ? test15 :
(n == 16) ? test16 :
(n == 17) ? test17 :
(n == 18) ? test18 :
(n == 19) ? test19 :
(n == 20) ? test20 :
(n == 21) ? test21 :
(n == 22) ? test22 :
(n == 23) ? test23 :
(n == 24) ? test24 :
(n == 25) ? test25 :
(n == 26) ? test26 :
(n == 27) ? test27 :
(n == 28) ? test28 :
(n == 29) ? test29 :
(n == 30) ? test30 :
(n == 31) ? test31 :
(n == 32) ? test32 :
(n == 33) ? test33 :
0);
if (fn == 0)
{
fprintf(stderr, "%s: invalid test number %d\n", whoami, n);
exit(2);
}
qpdf = qpdf_init();
fn(infile, password, outfile, outfile2);
qpdf_cleanup(&qpdf);
assert(qpdf == 0);
return 0;
}
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