diff options
| -rw-r--r-- | impl_core/src/test/java/io/opencensus/implcore/tags/propagation/TagContextDeserializationTest.java | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/impl_core/src/test/java/io/opencensus/implcore/tags/propagation/TagContextDeserializationTest.java b/impl_core/src/test/java/io/opencensus/implcore/tags/propagation/TagContextDeserializationTest.java index a2245255..c465ee94 100644 --- a/impl_core/src/test/java/io/opencensus/implcore/tags/propagation/TagContextDeserializationTest.java +++ b/impl_core/src/test/java/io/opencensus/implcore/tags/propagation/TagContextDeserializationTest.java @@ -104,6 +104,37 @@ public class TagContextDeserializationTest { serializer.fromByteArray(bytes); } + // Deserializing this input should cause an error, even though it represents a relatively small + // TagContext. + @Test + public void testDeserializeTooLargeByteArrayThrowException_WithDuplicateTagKeys() + throws TagContextDeserializationException { + ByteArrayDataOutput output = ByteStreams.newDataOutput(); + output.write(SerializationUtils.VERSION_ID); + for (int i = 0; i < SerializationUtils.TAGCONTEXT_SERIALIZED_SIZE_LIMIT / 8 - 1; i++) { + // Each tag will be with format {key : "key_", value : "0123"}, so the length of it is 8. + String str; + if (i < 10) { + str = "000" + i; + } else if (i < 100) { + str = "00" + i; + } else if (i < 1000) { + str = "0" + i; + } else { + str = String.valueOf(i); + } + encodeTagToOutput("key_", str, output); + } + // The last tag will be of size 9, so the total size of the TagContext (8193) will be one byte + // more than limit. + encodeTagToOutput("key_", "last1", output); + + byte[] bytes = output.toByteArray(); + thrown.expect(TagContextDeserializationException.class); + thrown.expectMessage("Size of TagContext exceeds the maximum serialized size "); + serializer.fromByteArray(bytes); + } + @Test public void testDeserializeInvalidTagKey() throws TagContextDeserializationException { ByteArrayDataOutput output = ByteStreams.newDataOutput(); |