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Attempt to improve the PDFDocument error message for empty files (issue 5887)

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Given that the error in question is surfaced on the API-side, this patch makes the following changes:
 - Updates the wording such that it'll hopefully be slightly easier for users to understand.
 - Changes the plain `Error` to an `InvalidPDFException` instead, since that should work better with the existing Error handling.
 - Adds a unit-test which loads an empty PDF document (and also improves a pre-existing `InvalidPDFException` message and its test-case).
This commit is contained in:
Jonas Jenwald 2019-12-09 15:00:45 +01:00
parent a6db045789
commit b00835f589
3 changed files with 24 additions and 7 deletions
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2
src/core/obj.js
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@ -1519,7 +1519,7 @@ var XRef = (function XRefClosure() {
return trailerDict;
}
// nothing helps
throw new InvalidPDFException('Invalid PDF structure');
throw new InvalidPDFException('Invalid PDF structure.');
},
readXRef: function XRef_readXRef(recoveryMode) {