• echoStruct() with duplicate ids on struct member accessors.
• echoStruct() with ref to missing id on struct member accessor.
• echoStructArray() with duplicate ids on array item accessors.
• echoStructArray() with ref to missing id on array item accessor.
• echoNestedArray() with ref to missing id on accessor for nested array item.
• echoNestedArray() with ref to missing id on accessor for nested array.
• echoNestedStruct() with ref to missing id on accessor for member of nested struct.
• echoNestedStruct() with ref to missing id on accessor for nested struct.
• echoFloat() with ref to missing id on parameter accessor.

• echoStruct() with improperly serialized struct member accessor.
• echoStruct() with unexpected struct member accessor.
• echoStruct() with unknown struct accessor name.
• echoStructArray() with an improperly serialized array item accessor.
• echoStructArray() with an unknown array accessor.
• echoNestedArray() with improperly serialized nested array item.
• echoNestedArray() with improperly serialized nested array.
• echoNestedStruct() with improperly serialized member of nested struct.
• echoNestedStruct() with improperly serialized nested struct.
• echoFloat() with improperly serialized parameter accessor.
• echoFloat() with unknown parameter accessor.

• echoStruct() with bad encodingStyle on struct member accessor.
• echoStruct() with bad encodingStyle on structaccessor.
• echoStructArray() with bad encodingStyle on array item accessor.
• echoStructArray() with bad encodingStyle on array accessor.
• echoNestedArray() with bad encodingStyle on nested array item.
• echoNestedArray() with bad encodingStyle on nested array.
• echoNestedStruct() with bad encodingStyle on member of nested struct.
• echoNestedStruct() with bad encodingStyle on nested struct.
• echoFloat() with bad encodingStyle on parameter accessor.
• echoFloat() with bad encodingStyle on method wrapper.