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Fix a test and crash with a better error message when reading

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When there are too many bigrams, we stop reading the file,
so the file pointer is in an inconsistent place. This means we
have no idea what's going to happen next. It's better to crash
right away.

Change-Id: Id3b7b78cbe4fda3493b3c9c46758763e1ab5f6a3
This commit is contained in:
Jean Chalard 2013-10-01 22:00:03 +09:00
parent 74577bedb3
commit fa946d4a0f
3 changed files with 7 additions and 3 deletions
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3
java/src/com/android/inputmethod/latin/makedict/Ver3DictDecoder.java
View file

@ -169,7 +169,8 @@ public class Ver3DictDecoder extends DictDecoder {
addressPointer += PtNodeReader.readBigramAddresses(mDictBuffer, bigrams,
addressPointer);
if (bigrams.size() >= FormatSpec.MAX_BIGRAMS_IN_A_PTNODE) {
MakedictLog.d("too many bigrams in a PtNode.");
throw new RuntimeException("Too many bigrams in a PtNode (" + bigrams.size()
+ " but max is " + FormatSpec.MAX_BIGRAMS_IN_A_PTNODE + ")");
}
} else {
bigrams = null;

3
java/src/com/android/inputmethod/latin/makedict/Ver4DictDecoder.java
View file

@ -224,7 +224,8 @@ public class Ver4DictDecoder extends DictDecoder {
if (0 == (bigramFlags & FormatSpec.FLAG_BIGRAM_SHORTCUT_ATTR_HAS_NEXT)) break;
}
if (bigrams.size() >= FormatSpec.MAX_BIGRAMS_IN_A_PTNODE) {
MakedictLog.d("too many bigrams in a node.");
throw new RuntimeException("Too many bigrams in a PtNode (" + bigrams.size()
+ " but max is " + FormatSpec.MAX_BIGRAMS_IN_A_PTNODE + ")");
}
} else {
bigrams = null;

4
tests/src/com/android/inputmethod/latin/makedict/BinaryDictDecoderEncoderTests.java
View file

@ -104,7 +104,9 @@ public class BinaryDictDecoderEncoderTests extends AndroidTestCase {
}
sStarBigrams.put(0, new ArrayList<Integer>());
for (int i = 1; i < sWords.size(); ++i) {
// MAX - 1 because we added one above already
final int maxBigrams = Math.min(sWords.size(), FormatSpec.MAX_BIGRAMS_IN_A_PTNODE - 1);
for (int i = 1; i < maxBigrams; ++i) {
sStarBigrams.get(0).add(i);
}