mirror of https://github.com/qpdf/qpdf.git
Add testing for page APIs
This commit is contained in:
Jay Berkenbilt
parent
eb802cfa8c
commit
3844aedd93
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@ -126,18 +126,23 @@ QPDF::insertPageobjToPage(QPDFObjectHandle const& obj, int pos,
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bool check_duplicate)
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{
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ObjGen og(obj.getObjectID(), obj.getGeneration());
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bool duplicate =
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(! this->pageobj_to_pages_pos.insert(std::make_pair(og, pos)).second);
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if (duplicate && check_duplicate)
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if (check_duplicate)
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{
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QTC::TC("qpdf", "QPDF duplicate page reference");
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setLastObjectDescription("page " + QUtil::int_to_string(pos) +
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" (numbered from zero)",
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og.obj, og.gen);
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throw QPDFExc(qpdf_e_pages, this->file->getName(),
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this->last_object_description, 0,
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"duplicate page reference found;"
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" this would cause loss of data");
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if (! this->pageobj_to_pages_pos.insert(std::make_pair(og, pos)).second)
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{
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QTC::TC("qpdf", "QPDF duplicate page reference");
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setLastObjectDescription("page " + QUtil::int_to_string(pos) +
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" (numbered from zero)",
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og.obj, og.gen);
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throw QPDFExc(qpdf_e_pages, this->file->getName(),
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this->last_object_description, 0,
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"duplicate page reference found;"
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" this would cause loss of data");
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}
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}
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else
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{
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this->pageobj_to_pages_pos[og] = pos;
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}
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}
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@ -150,6 +155,16 @@ QPDF::insertPage(QPDFObjectHandle newpage, int pos)
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flattenPagesTree();
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newpage.assertPageObject();
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if (! newpage.isIndirect())
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{
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QTC::TC("qpdf", "QPDF insert non-indirect page");
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newpage = this->makeIndirectObject(newpage);
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}
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else
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{
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QTC::TC("qpdf", "QPDF insert indirect page");
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}
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QTC::TC("qpdf", "QPDF insert page",
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(pos == 0) ? 0 : // insert at beginning
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(pos == ((int)this->all_pages.size())) ? 1 : // insert at end
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@ -207,3 +207,5 @@ QPDF duplicate page reference 0
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QPDF remove page 2
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QPDF insert page 2
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QPDF updateAllPagesCache 0
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QPDF insert non-indirect page 0
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QPDF insert indirect page 0
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@ -110,6 +110,28 @@ $td->runtest("new stream",
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show_ntests();
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# ----------
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$td->notify("--- Page API Tests ---");
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$n_tests += 5;
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$td->runtest("basic page API",
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{$td->COMMAND => "test_driver 15 page_api_1.pdf"},
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{$td->STRING => "test 15 done\n", $td->EXIT_STATUS => 0},
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$td->NORMALIZE_NEWLINES);
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$td->runtest("check output",
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{$td->FILE => "a.pdf"},
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{$td->FILE => "page_api_1-out.pdf"});
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$td->runtest("manual page manipulation",
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{$td->COMMAND => "test_driver 16 page_api_1.pdf"},
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{$td->STRING => "test 16 done\n", $td->EXIT_STATUS => 0},
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$td->NORMALIZE_NEWLINES);
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$td->runtest("check output",
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{$td->FILE => "a.pdf"},
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{$td->FILE => "page_api_1-out2.pdf"});
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$td->runtest("duplicate page",
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{$td->COMMAND => "test_driver 17 page_api_2.pdf"},
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{$td->FILE => "page_api_2.out", $td->EXIT_STATUS => 2},
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$td->NORMALIZE_NEWLINES);
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# ----------
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$td->notify("--- Miscellaneous Tests ---");
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$n_tests += 37;
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%% Page 1
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>>
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>>
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%% Page 2
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||||
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||||
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||||
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||||
%% Page 4
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||||
7 0 obj
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||||
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/PDF
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||||
/Text
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||||
]
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||||
>>
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||||
/Type /Page
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||||
>>
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||||
endobj
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||||
|
||||
%% Page 5
|
||||
8 0 obj
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||||
/Contents 23 0 R
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612
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]
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>>
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||||
|
||||
%% Page 6
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||||
9 0 obj
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>>
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/Type /Page
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>>
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||||
endobj
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||||
|
||||
%% Page 7
|
||||
10 0 obj
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<<
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/PDF
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]
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>>
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||||
endobj
|
||||
|
||||
%% Page 8
|
||||
11 0 obj
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<<
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/Contents 29 0 R
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/MediaBox [
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>>
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/PDF
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||||
]
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||||
>>
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/Type /Page
|
||||
>>
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||||
endobj
|
||||
|
||||
%% Page 9
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||||
12 0 obj
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<<
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/Font <<
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/F1 16 0 R
|
||||
>>
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/ProcSet [
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/PDF
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||||
/Text
|
||||
]
|
||||
>>
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||||
/Type /Page
|
||||
>>
|
||||
endobj
|
||||
|
||||
%% Page 10
|
||||
13 0 obj
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<<
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||||
/Contents 33 0 R
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||||
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612
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||||
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]
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/Font <<
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/F1 16 0 R
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>>
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/PDF
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/Text
|
||||
]
|
||||
>>
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||||
/Type /Page
|
||||
>>
|
||||
endobj
|
||||
|
||||
%% Contents for page 1
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||||
14 0 obj
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||||
/Length 15 0 R
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||||
>>
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||||
stream
|
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BT /F1 15 Tf 72 720 Td (Original page 0) Tj ET
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||||
endstream
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||||
endobj
|
||||
|
||||
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47
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endobj
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||||
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||||
16 0 obj
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/BaseFont /Times-Roman
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/Subtype /Type1
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>>
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endobj
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||||
%% Contents for page 2
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endobj
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xref
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0 35
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trailer <<
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|
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>>
|
||||
startxref
|
||||
4207
|
||||
%%EOF
|
||||
|
|
@ -0,0 +1 @@
|
|||
page_api_2.pdf (page 1 (numbered from zero): object 4 0): duplicate page reference found; this would cause loss of data
|
||||
|
|
@ -0,0 +1,137 @@
|
|||
%PDF-1.3
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%¿÷¢þ
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%QDF-1.0
|
||||
|
||||
1 0 obj
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<<
|
||||
/Pages 3 0 R
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/Type /Catalog
|
||||
>>
|
||||
endobj
|
||||
|
||||
2 0 obj
|
||||
<<
|
||||
/CreationDate (D:20120621124041)
|
||||
/Producer (Apex PDFWriter)
|
||||
>>
|
||||
endobj
|
||||
|
||||
3 0 obj
|
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<<
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/Count 3
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|
||||
4 0 R
|
||||
4 0 R
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||||
5 0 R
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||||
]
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/Type /Pages
|
||||
>>
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endobj
|
||||
|
||||
%% Page 2
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]
|
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>>
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|
||||
>>
|
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endobj
|
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|
||||
%% Page 3
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]
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|
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>>
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endobj
|
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|
||||
%% Contents for page 2
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6 0 obj
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|
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|
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>>
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|
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|
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%% Contents for page 3
|
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BT /F1 15 Tf 72 720 Td (Original page 2) Tj ET
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endstream
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|
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>>
|
||||
startxref
|
||||
1109
|
||||
%%EOF
|
||||
|
|
@ -14,6 +14,7 @@
|
|||
#include <stdio.h>
|
||||
#include <string.h>
|
||||
#include <stdlib.h>
|
||||
#include <assert.h>
|
||||
#include <map>
|
||||
|
||||
static char const* whoami = 0;
|
||||
|
|
@ -56,8 +57,34 @@ class Provider: public QPDFObjectHandle::StreamDataProvider
|
|||
bool bad_length;
|
||||
};
|
||||
|
||||
static void checkPageContents(QPDFObjectHandle page,
|
||||
std::string const& wanted_string)
|
||||
{
|
||||
PointerHolder<Buffer> b1 =
|
||||
page.getKey("/Contents").getStreamData();
|
||||
std::string contents = std::string((char *)(b1->getBuffer()));
|
||||
if (contents.find(wanted_string) == std::string::npos)
|
||||
{
|
||||
std::cout << "didn't find " << wanted_string << " in "
|
||||
<< contents << std::endl;
|
||||
}
|
||||
}
|
||||
|
||||
static QPDFObjectHandle createPageContents(QPDF& pdf, std::string const& text)
|
||||
{
|
||||
std::string contents = "BT /F1 15 Tf 72 720 Td (" + text + ") Tj ET\n";
|
||||
PointerHolder<Buffer> b = new Buffer(contents.length());
|
||||
unsigned char* bp = b->getBuffer();
|
||||
memcpy(bp, (char*)contents.c_str(), contents.length());
|
||||
return QPDFObjectHandle::newStream(&pdf, b);
|
||||
}
|
||||
|
||||
void runtest(int n, char const* filename)
|
||||
{
|
||||
// Most tests here are crafted to work on specific files. Look at
|
||||
// the test suite to see how the test is invoked to find the file
|
||||
// that the test is supposed to operate on.
|
||||
|
||||
QPDF pdf;
|
||||
PointerHolder<char> file_buf;
|
||||
FILE* filep = 0;
|
||||
|
|
@ -629,6 +656,129 @@ void runtest(int n, char const* filename)
|
|||
fclose(f);
|
||||
delete b;
|
||||
}
|
||||
else if (n == 15)
|
||||
{
|
||||
std::vector<QPDFObjectHandle> const& pages = pdf.getAllPages();
|
||||
// Reference to original page numbers for this test case are
|
||||
// numbered from 0.
|
||||
|
||||
// Remove pages from various places, checking to make sure
|
||||
// that our pages reference is getting updated.
|
||||
assert(pages.size() == 10);
|
||||
pdf.removePage(pages.back()); // original page 9
|
||||
assert(pages.size() == 9);
|
||||
pdf.removePage(*pages.begin()); // original page 0
|
||||
assert(pages.size() == 8);
|
||||
checkPageContents(pages[4], "Original page 5");
|
||||
pdf.removePage(pages[4]); // original page 5
|
||||
assert(pages.size() == 7);
|
||||
checkPageContents(pages[4], "Original page 6");
|
||||
checkPageContents(pages[0], "Original page 1");
|
||||
checkPageContents(pages[6], "Original page 8");
|
||||
|
||||
// Insert pages
|
||||
|
||||
// Create some content streams.
|
||||
std::vector<QPDFObjectHandle> contents;
|
||||
contents.push_back(createPageContents(pdf, "New page 1"));
|
||||
contents.push_back(createPageContents(pdf, "New page 0"));
|
||||
contents.push_back(createPageContents(pdf, "New page 5"));
|
||||
contents.push_back(createPageContents(pdf, "New page 6"));
|
||||
contents.push_back(createPageContents(pdf, "New page 11"));
|
||||
contents.push_back(createPageContents(pdf, "New page 12"));
|
||||
|
||||
// Create some page objects. Start with an existing
|
||||
// dictionary and modify it. Using the results of
|
||||
// getDictAsMap to create a new dictionary effectively creates
|
||||
// a shallow copy.
|
||||
std::map<std::string, QPDFObjectHandle> page_dict_keys =
|
||||
QPDFObjectHandle(pages[0]).getDictAsMap();
|
||||
std::vector<QPDFObjectHandle> new_pages;
|
||||
for (std::vector<QPDFObjectHandle>::iterator iter = contents.begin();
|
||||
iter != contents.end(); ++iter)
|
||||
{
|
||||
// We will retain indirect object references to other
|
||||
// indirect objects other than page content.
|
||||
page_dict_keys["/Contents"] = *iter;
|
||||
QPDFObjectHandle page =
|
||||
QPDFObjectHandle::newDictionary(page_dict_keys);
|
||||
if (iter == contents.begin())
|
||||
{
|
||||
// leave direct
|
||||
new_pages.push_back(page);
|
||||
}
|
||||
else
|
||||
{
|
||||
new_pages.push_back(pdf.makeIndirectObject(page));
|
||||
}
|
||||
}
|
||||
|
||||
// Now insert the pages
|
||||
pdf.addPage(new_pages[0], true);
|
||||
checkPageContents(pages[0], "New page 1");
|
||||
pdf.addPageAt(new_pages[1], true, pages[0]);
|
||||
assert(pages[0].getObjectID() == new_pages[1].getObjectID());
|
||||
pdf.addPageAt(new_pages[2], true, pages[5]);
|
||||
assert(pages[5].getObjectID() == new_pages[2].getObjectID());
|
||||
pdf.addPageAt(new_pages[3], false, pages[5]);
|
||||
assert(pages[6].getObjectID() == new_pages[3].getObjectID());
|
||||
assert(pages.size() == 11);
|
||||
pdf.addPage(new_pages[4], false);
|
||||
assert(pages[11].getObjectID() == new_pages[4].getObjectID());
|
||||
pdf.addPageAt(new_pages[5], false, pages.back());
|
||||
assert(pages.size() == 13);
|
||||
checkPageContents(pages[0], "New page 0");
|
||||
checkPageContents(pages[1], "New page 1");
|
||||
checkPageContents(pages[5], "New page 5");
|
||||
checkPageContents(pages[6], "New page 6");
|
||||
checkPageContents(pages[11], "New page 11");
|
||||
checkPageContents(pages[12], "New page 12");
|
||||
|
||||
QPDFWriter w(pdf, "a.pdf");
|
||||
w.setStaticID(true);
|
||||
w.setStreamDataMode(qpdf_s_preserve);
|
||||
w.write();
|
||||
}
|
||||
else if (n == 16)
|
||||
{
|
||||
// Insert a page manually and then update the cache.
|
||||
std::vector<QPDFObjectHandle> const& all_pages = pdf.getAllPages();
|
||||
|
||||
QPDFObjectHandle contents = createPageContents(pdf, "New page 10");
|
||||
std::map<std::string, QPDFObjectHandle> page_dict_keys =
|
||||
QPDFObjectHandle(all_pages[0]).getDictAsMap();
|
||||
page_dict_keys["/Contents"] = contents;
|
||||
QPDFObjectHandle page =
|
||||
pdf.makeIndirectObject(
|
||||
QPDFObjectHandle::newDictionary(page_dict_keys));
|
||||
|
||||
// Insert the page manually.
|
||||
QPDFObjectHandle root = pdf.getRoot();
|
||||
QPDFObjectHandle pages = root.getKey("/Pages");
|
||||
QPDFObjectHandle kids = pages.getKey("/Kids");
|
||||
page.replaceKey("/Parent", pages);
|
||||
pages.replaceKey(
|
||||
"/Count",
|
||||
QPDFObjectHandle::newInteger(1 + (int)all_pages.size()));
|
||||
kids.appendItem(page);
|
||||
assert(all_pages.size() == 10);
|
||||
pdf.updateAllPagesCache();
|
||||
assert(all_pages.size() == 11);
|
||||
assert(all_pages.back().getObjectID() == page.getObjectID());
|
||||
|
||||
QPDFWriter w(pdf, "a.pdf");
|
||||
w.setStaticID(true);
|
||||
w.setStreamDataMode(qpdf_s_preserve);
|
||||
w.write();
|
||||
}
|
||||
else if (n == 17)
|
||||
{
|
||||
// The input file to this test case is broken to exercise an
|
||||
// error condition.
|
||||
std::vector<QPDFObjectHandle> const& pages = pdf.getAllPages();
|
||||
pdf.removePage(pages[0]);
|
||||
std::cout << "you can't see this" << std::endl;
|
||||
}
|
||||
else
|
||||
{
|
||||
throw std::runtime_error(std::string("invalid test ") +
|
||||
|
|
|
|||
Loading…
Reference in New Issue