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qpdf/libtests/sparse_array.cc
m-holger 266d479735 Refactor QPDF_Array::at
Change the return type to a std::pair<bool, QPDFObjectHandle> in order to
allow a default constructed object handle (which is currently returned to
indicate failure) to become a valid object.
2024-09-17 09:59:00 +01:00

122 lines
4.8 KiB
C++

#include <qpdf/assert_test.h>
#include <qpdf/QPDF.hh>
#include <qpdf/QPDFObjectHandle.hh>
#include <qpdf/QPDFObject_private.hh>
#include <qpdf/QPDF_Array.hh>
#include <iostream>
int
main()
{
auto obj = QPDF_Array::create({}, true);
QPDF_Array& a = *obj->as<QPDF_Array>();
assert(a.size() == 0);
a.push_back(QPDFObjectHandle::parse("1"));
a.push_back(QPDFObjectHandle::parse("(potato)"));
a.push_back(QPDFObjectHandle::parse("null"));
a.push_back(QPDFObjectHandle::parse("null"));
a.push_back(QPDFObjectHandle::parse("/Quack"));
assert(a.size() == 5);
assert(a.at(0).second.isInteger() && (a.at(0).second.getIntValue() == 1));
assert(a.at(1).second.isString() && (a.at(1).second.getStringValue() == "potato"));
assert(a.at(2).second.isNull());
assert(a.at(3).second.isNull());
assert(a.at(4).second.isName() && (a.at(4).second.getName() == "/Quack"));
a.insert(4, QPDFObjectHandle::parse("/BeforeQuack"));
assert(a.size() == 6);
assert(a.at(0).second.isInteger() && (a.at(0).second.getIntValue() == 1));
assert(a.at(4).second.isName() && (a.at(4).second.getName() == "/BeforeQuack"));
assert(a.at(5).second.isName() && (a.at(5).second.getName() == "/Quack"));
a.insert(2, QPDFObjectHandle::parse("/Third"));
assert(a.size() == 7);
assert(a.at(1).second.isString() && (a.at(1).second.getStringValue() == "potato"));
assert(a.at(2).second.isName() && (a.at(2).second.getName() == "/Third"));
assert(a.at(3).second.isNull());
assert(a.at(6).second.isName() && (a.at(6).second.getName() == "/Quack"));
a.insert(0, QPDFObjectHandle::parse("/First"));
assert(a.size() == 8);
assert(a.at(0).second.isName() && (a.at(0).second.getName() == "/First"));
assert(a.at(1).second.isInteger() && (a.at(1).second.getIntValue() == 1));
assert(a.at(7).second.isName() && (a.at(7).second.getName() == "/Quack"));
a.erase(6);
assert(a.size() == 7);
assert(a.at(0).second.isName() && (a.at(0).second.getName() == "/First"));
assert(a.at(1).second.isInteger() && (a.at(1).second.getIntValue() == 1));
assert(a.at(5).second.isNull());
assert(a.at(6).second.isName() && (a.at(6).second.getName() == "/Quack"));
a.erase(6);
assert(a.size() == 6);
assert(a.at(0).second.isName() && (a.at(0).second.getName() == "/First"));
assert(a.at(1).second.isInteger() && (a.at(1).second.getIntValue() == 1));
assert(a.at(3).second.isName() && (a.at(3).second.getName() == "/Third"));
assert(a.at(4).second.isNull());
assert(a.at(5).second.isNull());
a.setAt(4, QPDFObjectHandle::parse("12"));
assert(a.at(4).second.isInteger() && (a.at(4).second.getIntValue() == 12));
a.setAt(4, QPDFObjectHandle::newNull());
assert(a.at(4).second.isNull());
a.erase(a.size() - 1);
assert(a.size() == 5);
assert(a.at(0).second.isName() && (a.at(0).second.getName() == "/First"));
assert(a.at(1).second.isInteger() && (a.at(1).second.getIntValue() == 1));
assert(a.at(3).second.isName() && (a.at(3).second.getName() == "/Third"));
assert(a.at(4).second.isNull());
a.erase(a.size() - 1);
assert(a.size() == 4);
assert(a.at(0).second.isName() && (a.at(0).second.getName() == "/First"));
assert(a.at(1).second.isInteger() && (a.at(1).second.getIntValue() == 1));
assert(a.at(3).second.isName() && (a.at(3).second.getName() == "/Third"));
a.erase(a.size() - 1);
assert(a.size() == 3);
assert(a.at(0).second.isName() && (a.at(0).second.getName() == "/First"));
assert(a.at(1).second.isInteger() && (a.at(1).second.getIntValue() == 1));
assert(a.at(2).second.isString() && (a.at(2).second.getStringValue() == "potato"));
QPDF pdf;
pdf.emptyPDF();
obj = QPDF_Array::create({10, "null"_qpdf.getObj()}, true);
QPDF_Array& b = *obj->as<QPDF_Array>();
b.setAt(5, pdf.newIndirectNull());
b.setAt(7, "[0 1 2 3]"_qpdf);
assert(b.at(3).second.isNull());
assert(b.at(8).second.isNull());
assert(b.at(5).second.isIndirect());
assert(b.unparse() == "[ null null null null null 3 0 R null [ 0 1 2 3 ] null null ]");
auto c = b.copy(true);
auto d = b.copy(false);
b.at(7).second.setArrayItem(2, "42"_qpdf);
assert(c->unparse() == "[ null null null null null 3 0 R null [ 0 1 42 3 ] null null ]");
assert(d->unparse() == "[ null null null null null 3 0 R null [ 0 1 2 3 ] null null ]");
try {
b.setAt(3, {});
std::cout << "inserted uninitialized object\n";
} catch (std::logic_error&) {
}
QPDF pdf2;
pdf2.emptyPDF();
try {
pdf.makeIndirectObject(obj);
b.setAt(3, pdf2.getObject(1, 0));
std::cout << "inserted uninitialized object\n";
} catch (std::logic_error&) {
}
std::cout << "sparse array tests done" << std::endl;
return 0;
}