sparse_array.cc
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#include <qpdf/assert_test.h>
#include <qpdf/QPDF.hh>
#include <qpdf/QPDFObjectHandle_private.hh>
#include <qpdf/QPDFObject_private.hh>
#include <iostream>
int
to_i(size_t n)
{
return static_cast<int>(n);
}
int
main()
{
auto obj = QPDFObject::create<QPDF_Array>(std::vector<QPDFObjectHandle>(), true);
auto a = qpdf::Array(obj);
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[0].isInteger() && (a[0].getIntValue() == 1));
assert(a[1].isString() && (a[1].getStringValue() == "potato"));
assert(a[2].isNull());
assert(a[3].isNull());
assert(a[4].isName() && (a[4].getName() == "/Quack"));
a.insert(4, QPDFObjectHandle::parse("/BeforeQuack"));
assert(a.size() == 6);
assert(a[0].isInteger() && (a[0].getIntValue() == 1));
assert(a[4].isName() && (a[4].getName() == "/BeforeQuack"));
assert(a[5].isName() && (a[5].getName() == "/Quack"));
a.insert(2, QPDFObjectHandle::parse("/Third"));
assert(a.size() == 7);
assert(a[1].isString() && (a[1].getStringValue() == "potato"));
assert(a[2].isName() && (a[2].getName() == "/Third"));
assert(a[3].isNull());
assert(a[6].isName() && (a[6].getName() == "/Quack"));
a.insert(0, QPDFObjectHandle::parse("/First"));
assert(a.size() == 8);
assert(a[0].isName() && (a[0].getName() == "/First"));
assert(a[1].isInteger() && (a[1].getIntValue() == 1));
assert(a[7].isName() && (a[7].getName() == "/Quack"));
a.erase(6);
assert(a.size() == 7);
assert(a[0].isName() && (a[0].getName() == "/First"));
assert(a[1].isInteger() && (a[1].getIntValue() == 1));
assert(a[5].isNull());
assert(a[6].isName() && (a[6].getName() == "/Quack"));
a.erase(6);
assert(a.size() == 6);
assert(a[0].isName() && (a[0].getName() == "/First"));
assert(a[1].isInteger() && (a[1].getIntValue() == 1));
assert(a[3].isName() && (a[3].getName() == "/Third"));
assert(a[4].isNull());
assert(a[5].isNull());
a.setAt(4, QPDFObjectHandle::parse("12"));
assert(a[4].isInteger() && (a[4].getIntValue() == 12));
a.setAt(4, QPDFObjectHandle::newNull());
assert(a[4].isNull());
a.erase(to_i(a.size()) - 1);
assert(a.size() == 5);
assert(a[0].isName() && (a[0].getName() == "/First"));
assert(a[1].isInteger() && (a[1].getIntValue() == 1));
assert(a[3].isName() && (a[3].getName() == "/Third"));
assert(a[4].isNull());
a.erase(to_i(a.size()) - 1);
assert(a.size() == 4);
assert(a[0].isName() && (a[0].getName() == "/First"));
assert(a[1].isInteger() && (a[1].getIntValue() == 1));
assert(a[3].isName() && (a[3].getName() == "/Third"));
a.erase(to_i(a.size()) - 1);
assert(a.size() == 3);
assert(a[0].isName() && (a[0].getName() == "/First"));
assert(a[1].isInteger() && (a[1].getIntValue() == 1));
assert(a[2].isString() && (a[2].getStringValue() == "potato"));
QPDF pdf;
pdf.emptyPDF();
obj = QPDFObject::create<QPDF_Array>(
std::vector<QPDFObjectHandle>{10, "null"_qpdf.getObj()}, true);
auto b = qpdf::Array(obj);
b.setAt(5, pdf.newIndirectNull());
b.setAt(7, "[0 1 2 3]"_qpdf);
assert(b[3].null());
assert(b[8].null());
assert(b[5].indirect());
assert(
QPDFObjectHandle(obj).unparse() ==
"[ null null null null null 3 0 R null [ 0 1 2 3 ] null null ]");
auto c = QPDFObjectHandle(obj).unsafeShallowCopy();
auto d = QPDFObjectHandle(obj).shallowCopy();
b.get(7).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" << '\n';
return 0;
}