Tilman Hausherr created PDFBOX-2047:
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Summary: read operations alter PDLab object
Key: PDFBOX-2047
URL: https://issues.apache.org/jira/browse/PDFBOX-2047
Project: PDFBox
Issue Type: Bug
Components: PDModel
Affects Versions: 1.8.4, 1.8.5, 2.0.0
Reporter: Tilman Hausherr
Assignee: Tilman Hausherr
This is a follow-up to PDFBOX-2042 but for PDLab: "A read operation must not
alter the pdf."
The problem described PDFBOX-2042 happened because the constructor called
loadICCProfile(), which called getRangeForComponent(c), which altered its own
object with (broken) default values. PDLab has no such constructor so Jurajs
test won't show any problem, but this different test will:
{code}
PDLab pdLab = new PDLab();
COSArray cosArray = (COSArray) pdLab.getCOSObject();
COSDictionary dict = (COSDictionary)cosArray.getObject(1);
pdLab.getBlackPoint();
pdLab.getWhitepoint();
pdLab.getARange();
pdLab.getBRange();
assertEquals("read operations should not change the size of /Lab
objects", 0, dict.size());
dict.toString(); // rev 1571125 does stack overflow here in 2.0
{code}
removing the assert brings a stack overflow.
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