micropython/tests/extmod/json_loads.py

try:
    import json
except ImportError:
    print("SKIP")
    raise SystemExit


def my_print(o):
    if isinstance(o, dict):
        print("sorted dict", sorted(o.items()))
    else:
        print(o)


my_print(json.loads("null"))
my_print(json.loads("false"))
my_print(json.loads("true"))
my_print(json.loads("1"))
my_print(json.loads("-2"))
my_print(json.loads('"abc\\u0064e"'))
my_print(json.loads("[]"))
my_print(json.loads("[null]"))
my_print(json.loads("[null,false,true]"))
my_print(json.loads(" [ null , false , true ] "))
my_print(json.loads("{}"))
my_print(json.loads('{"a":true}'))
my_print(json.loads('{"a":null, "b":false, "c":true}'))
my_print(json.loads('{"a":[], "b":[1], "c":{"3":4}}'))
my_print(json.loads('"abc\\bdef"'))
my_print(json.loads('"abc\\fdef"'))
my_print(json.loads('"abc\\ndef"'))
my_print(json.loads('"abc\\rdef"'))
my_print(json.loads('"abc\\tdef"'))
my_print(json.loads('"abc\\uabcd"'))

# whitespace handling
my_print(json.loads('{\n\t"a":[]\r\n, "b":[1], "c":{"3":4}     \n\r\t\r\r\r\n}'))

# loading nothing should raise exception
try:
    json.loads("")
except ValueError:
    print("ValueError")

# string which is not closed
try:
    my_print(json.loads('"abc'))
except ValueError:
    print("ValueError")

# unaccompanied closing brace
try:
    my_print(json.loads("]"))
except ValueError:
    print("ValueError")

# unspecified object type
try:
    my_print(json.loads("a"))
except ValueError:
    print("ValueError")

# bad property name
try:
    my_print(json.loads('{{}:"abc"}'))
except ValueError:
    print("ValueError")

# unexpected characters after white space
try:
    my_print(json.loads("[null]   a"))
except ValueError:
    print("ValueError")

# incomplete object declaration
try:
    my_print(json.loads('{"a":0,'))
except ValueError:
    print("ValueError")

# incomplete nested array declaration
try:
    my_print(json.loads('{"a":0, ['))
except ValueError:
    print("ValueError")

# incomplete array declaration
try:
    my_print(json.loads('[0,'))
except ValueError:
    print("ValueError")

# incomplete nested object declaration
try:
    my_print(json.loads('[0, {"a":0, '))
except ValueError:
    print("ValueError")