diff options
| -rw-r--r-- | lib/pure/json.nim | 2 | ||||
| -rw-r--r-- | tests/stdlib/t15835.nim | 17 |
2 files changed, 19 insertions, 0 deletions
diff --git a/lib/pure/json.nim b/lib/pure/json.nim index f3145301f..a3f7a782e 100644 --- a/lib/pure/json.nim +++ b/lib/pure/json.nim @@ -1052,6 +1052,8 @@ when defined(nimFixedForwardGeneric): dst = jsonNode.bval proc initFromJson(dst: var JsonNode; jsonNode: JsonNode; jsonPath: var string) = + if jsonNode == nil: + raise newException(KeyError, "key not found: " & jsonPath) dst = jsonNode.copy proc initFromJson[T: SomeInteger](dst: var T; jsonNode: JsonNode, jsonPath: var string) = diff --git a/tests/stdlib/t15835.nim b/tests/stdlib/t15835.nim new file mode 100644 index 000000000..bddfa87aa --- /dev/null +++ b/tests/stdlib/t15835.nim @@ -0,0 +1,17 @@ +import json + +type + Foo = object + ii*: int + data*: JsonNode + +block: + const jt = """{"ii": 123, "data": ["some", "data"]}""" + let js = parseJson(jt) + discard js.to(Foo) + +block: + const jt = """{"ii": 123}""" + let js = parseJson(jt) + doAssertRaises(KeyError): + echo js.to(Foo) |