pack("n")
  SUCCESS null

pack("b", 1)
  SUCCESS true

pack("b", 0)
  SUCCESS false

pack("i", 1)
  SUCCESS 1

pack("I", (uint64_t)0x123456789abcdef)
  SUCCESS 81985529216486895

pack("f", 3.14)
  SUCCESS 3.1400000000000001

pack("s", "test")
  SUCCESS "test"

pack("s?", "test")
  SUCCESS "test"

pack("s?", NULL)
  SUCCESS null

pack("s#", "test asdf", 4)
  SUCCESS "test"

pack("s%", "test asdf", (size_t)4)
  SUCCESS "test"

pack("s#", buffer, 4)
  SUCCESS "test"

pack("s%", buffer, (size_t)4)
  SUCCESS "test"

pack("s++", "te", "st", "ing")
  SUCCESS "testing"

pack("s#+#+", "test", 1, "test", 2, "test")
  SUCCESS "ttetest"

pack("s%+%+", "test", (size_t)1, "test", (size_t)2, "test")
  SUCCESS "ttetest"

pack("{}", 1.0)
  SUCCESS { }

pack("[]", 1.0)
  SUCCESS [ ]

pack("o", json_object_new_int(1))
  SUCCESS 1

pack("o?", json_object_new_int(1))
  SUCCESS 1

pack("o?", NULL)
  SUCCESS null

pack("O", json_object_new_int(1))
  SUCCESS 1

pack("O?", json_object_new_int(1))
  SUCCESS 1

pack("O?", NULL)
  SUCCESS null

pack("{s:[]}", "foo")
  SUCCESS { "foo": [ ] }

pack("{s+#+: []}", "foo", "barbar", 3, "baz")
  SUCCESS { "foobarbaz": [ ] }

pack("{s:s,s:o,s:O}", "a", NULL, "b", NULL, "c", NULL)
  ERROR[char 6 err 10] string is NULL

pack("{s:**}", "a", NULL)
  ERROR[char 4 err 5] invalid character

pack("{s:s*,s:o*,s:O*}", "a", NULL, "b", NULL, "c", NULL)
  SUCCESS { }

pack("[i,i,i]", 0, 1, 2)
  SUCCESS [ 0, 1, 2 ]

pack("[s,o,O]", NULL, NULL, NULL)
  ERROR[char 4 err 10] string is NULL

pack("[**]", NULL)
  ERROR[char 2 err 5] invalid character

pack("[s*,o*,O*]", NULL, NULL, NULL)
  SUCCESS [ ]

pack(" s ", "test")
  SUCCESS "test"

pack("[ ]")
  SUCCESS [ ]

pack("[ i , i,  i ] ", 1, 2, 3)
  SUCCESS [ 1, 2, 3 ]

pack("{\n\n1")
  ERROR[char 4 err 5] invalid character

pack("[}")
  ERROR[char 2 err 5] invalid character

pack("{]")
  ERROR[char 2 err 5] invalid character

pack("[")
  ERROR[char 2 err 2] truncated

pack("{")
  ERROR[char 2 err 2] truncated

pack("[i]a", 42)
  ERROR[char 4 err 5] invalid character

pack("ia", 42)
  ERROR[char 2 err 5] invalid character

pack("s", NULL)
  ERROR[char 2 err 10] string is NULL

pack("+", NULL)
  ERROR[char 1 err 5] invalid character

pack(NULL)
  ERROR[char 1 err 8] spec is NULL

pack("{s:i}", NULL, 1)
  ERROR[char 4 err 10] string is NULL

pack("{ {}: s }", "foo")
  ERROR[char 3 err 5] invalid character

pack("{ s: {},  s:[ii{} }", "foo", "bar", 12, 13)
  ERROR[char 19 err 5] invalid character

pack("[[[[[   [[[[[  [[[[ }]]]] ]]]] ]]]]]")
  ERROR[char 21 err 5] invalid character

pack("y", "???????hello>>>>>>>", (size_t)19)
  SUCCESS "Pz8_Pz8_P2hlbGxvPj4-Pj4-Pg"

pack("Y", "???????hello>>>>>>>", (size_t)19)
  SUCCESS "Pz8\/Pz8\/P2hlbGxvPj4+Pj4+Pg"

pack("{sy?}", "foo", "hi", (size_t)2)
  SUCCESS { "foo": "aGk" }

pack("{sy?}", "foo", NULL, 0)
  SUCCESS { "foo": null }

pack("{sy*}", "foo", "hi", (size_t)2)
  SUCCESS { "foo": "aGk" }

pack("{sy*}", "foo", NULL, 0)
  SUCCESS { }

unpack("true", "b", &xi[0])
  SUCCESS b:1

unpack("false", "b", &xi[0])
  SUCCESS b:0

unpack("null", "n")
  SUCCESS n

unpack("42", "i", &xi[0])
  SUCCESS i:42

unpack("123456789", "I", &xI[0])
  SUCCESS I:123456789

unpack("3.14", "f", &xf[0])
  SUCCESS f:3.140000

unpack("12345", "F", &xf[0])
  SUCCESS F:12345.000000

unpack("3.14", "F", &xf[0])
  SUCCESS F:3.140000

unpack("\"foo\"", "s", &xs[0])
  SUCCESS s:foo

unpack("\"foo\"", "s%", &xs[0], &xz[0])
  SUCCESS s:foo %:3

unpack("{}", "{}")
  SUCCESS

unpack("[]", "[]")
  SUCCESS

unpack("{}", "o", &xo[0])
  SUCCESS o:{ }

unpack("{}", "O", &xo[0])
  SUCCESS O:{ }

unpack("{\"foo\":42}", "{si}", "foo", &xi[0])
  SUCCESS s:foo i:42

unpack("[1,2,3]", "[i,i,i]", &xi[0], &xi[1], &xi[2])
  SUCCESS i:1 i:2 i:3

unpack("{\"a\":1,\"b\":2,\"c\":3}", "{s:i, s:i, s:i}", "a", &xi[0], "b", &xi[1], "c", &xi[2])
  SUCCESS s:a i:1 s:b i:2 s:c i:3

unpack("42", "z")
  ERROR[char 1 err 5] invalid character

unpack("null", "[i]")
  ERROR[char 1 err 13] missfit of type

unpack("[]", "[}")
  ERROR[char 2 err 5] invalid character

unpack("{}", "{]")
  ERROR[char 2 err 5] invalid character

unpack("[]", "[")
  ERROR[char 2 err 11] array too small

unpack("{}", "{")
  ERROR[char 2 err 2] truncated

unpack("[42]", "[i]a", &xi[0])
  ERROR[char 4 err 5] invalid character

unpack("42", "ia", &xi[0])
  ERROR[char 2 err 5] invalid character

unpack("[]", NULL)
  ERROR[char 1 err 8] spec is NULL

unpack("\"foo\"", "s", NULL)
  SUCCESS s:(null)

unpack("42", "s", NULL)
  ERROR[char 1 err 13] missfit of type

unpack("42", "n")
  ERROR[char 1 err 13] missfit of type

unpack("42", "b", NULL)
  ERROR[char 1 err 13] missfit of type

unpack("42", "f", NULL)
  ERROR[char 1 err 13] missfit of type

unpack("42", "[i]", NULL)
  ERROR[char 1 err 13] missfit of type

unpack("42", "{si}", "foo", NULL)
  ERROR[char 1 err 13] missfit of type

unpack("\"foo\"", "n")
  ERROR[char 1 err 13] missfit of type

unpack("\"foo\"", "b", NULL)
  ERROR[char 1 err 13] missfit of type

unpack("\"foo\"", "i", NULL)
  ERROR[char 1 err 13] missfit of type

unpack("\"foo\"", "I", NULL)
  ERROR[char 1 err 13] missfit of type

unpack("\"foo\"", "f", NULL)
  ERROR[char 1 err 13] missfit of type

unpack("\"foo\"", "F", NULL)
  ERROR[char 1 err 13] missfit of type

unpack("true", "s", NULL)
  ERROR[char 1 err 13] missfit of type

unpack("true", "n")
  ERROR[char 1 err 13] missfit of type

unpack("true", "i", NULL)
  ERROR[char 1 err 13] missfit of type

unpack("true", "I", NULL)
  ERROR[char 1 err 13] missfit of type

unpack("true", "f", NULL)
  ERROR[char 1 err 13] missfit of type

unpack("true", "F", NULL)
  ERROR[char 1 err 13] missfit of type

unpack("[42]", "[ii]", &xi[0], &xi[1])
  ERROR[char 3 err 11] array too small

unpack("{\"foo\":42}", "{si}", NULL, &xi[0])
  ERROR[char 3 err 9] key is NULL

unpack("{\"foo\":42}", "{si}", "baz", &xi[0])
  ERROR[char 3 err 14] key not found

unpack("[1,2,3]", "[iii!]", &xi[0], &xi[1], &xi[2])
  SUCCESS i:1 i:2 i:3

unpack("[1,2,3]", "[ii!]", &xi[0], &xi[1])
  ERROR[char 5 err 12] incomplete container

unpack("[1,2,3]", "[ii]", &xi[0], &xi[1])
  SUCCESS i:1 i:2

unpack("[1,2,3]", "[ii*]", &xi[0], &xi[1])
  SUCCESS i:1 i:2

unpack("{\"foo\":42,\"baz\":45}", "{sisi}", "baz", &xi[0], "foo", &xi[1])
  SUCCESS s:baz i:45 s:foo i:42

unpack("{\"foo\":42,\"baz\":45}", "{sisi*}", "baz", &xi[0], "foo", &xi[1])
  SUCCESS s:baz i:45 s:foo i:42

unpack("{\"foo\":42,\"baz\":45}", "{sisi!}", "baz", &xi[0], "foo", &xi[1])
  SUCCESS s:baz i:45 s:foo i:42

unpack("{\"foo\":42,\"baz\":45}", "{si}", "baz", &xi[0], "foo", &xi[1])
  SUCCESS s:baz i:45

unpack("{\"foo\":42,\"baz\":45}", "{si*}", "baz", &xi[0], "foo", &xi[1])
  SUCCESS s:baz i:45

unpack("{\"foo\":42,\"baz\":45}", "{si!}", "baz", &xi[0], "foo", &xi[1])
  ERROR[char 5 err 12] incomplete container

unpack("[1,{\"foo\":2,\"bar\":null},[3,4]]", "[i{sisn}[ii]]", &xi[0], "foo", &xi[1], "bar", &xi[2], &xi[3])
  SUCCESS i:1 s:foo i:2 s:bar n i:3 i:4

unpack("[1,2,3]", "[ii!i]", &xi[0], &xi[1], &xi[2])
  ERROR[char 5 err 5] invalid character

unpack("[1,2,3]", "[ii*i]", &xi[0], &xi[1], &xi[2])
  ERROR[char 5 err 5] invalid character

unpack("{\"foo\":1,\"bar\":2}", "{si!si}", "foo", &xi[1], "bar", &xi[2])
  ERROR[char 5 err 5] invalid character

unpack("{\"foo\":1,\"bar\":2}", "{si*si}", "foo", &xi[1], "bar", &xi[2])
  ERROR[char 5 err 5] invalid character

unpack("{\"foo\":{\"baz\":null,\"bar\":null}}", "{s{sn!}}", "foo", "bar")
  ERROR[char 7 err 12] incomplete container

unpack("[[1,2,3]]", "[[ii!]]", &xi[0], &xi[1])
  ERROR[char 6 err 12] incomplete container

unpack("{}", "{s?i}", "foo", &xi[0])
  SUCCESS s:foo i:0

unpack("{\"foo\":1}", "{s?i}", "foo", &xi[0])
  SUCCESS s:foo i:1

unpack("{}", "{s?[ii]s?{s{si!}}}", "foo", &xi[0], &xi[1], "bar", "baz", "quux", &xi[2])
  SUCCESS s:foo i:0 i:0 s:bar s:baz s:quux i:0

unpack("{\"foo\":[1,2]}", "{s?[ii]s?{s{si!}}}", "foo", &xi[0], &xi[1], "bar", "baz", "quux", &xi[2])
  SUCCESS s:foo i:1 i:2 s:bar s:baz s:quux i:0

unpack("{\"bar\":{\"baz\":{\"quux\":15}}}", "{s?[ii]s?{s{si!}}}", "foo", &xi[0], &xi[1], "bar", "baz", "quux", &xi[2])
  SUCCESS s:foo i:0 i:0 s:bar s:baz s:quux i:15

unpack("{\"foo\":{\"bar\":4}}", "{s?{s?i}}", "foo", "bar", &xi[0])
  SUCCESS s:foo s:bar i:4

unpack("{\"foo\":{}}", "{s?{s?i}}", "foo", "bar", &xi[0])
  SUCCESS s:foo s:bar i:0

unpack("{}", "{s?{s?i}}", "foo", "bar", &xi[0])
  SUCCESS s:foo s:bar i:0

unpack("{\"foo\":42,\"baz\":45}", "{s?isi!}", "baz", &xi[0], "foo", &xi[1])
  SUCCESS s:baz i:45 s:foo i:42

unpack("{\"foo\":42}", "{s?isi!}", "baz", &xi[0], "foo", &xi[1])
  SUCCESS s:baz i:0 s:foo i:42

unpack("\"Pz8_Pz8_P2hlbGxvPj4-Pj4-Pg\"", "y", &xy[0], &xz[0])
  SUCCESS y/19:???????hello>>>>>>>

unpack("\"\"", "y", &xy[0], &xz[0])
  SUCCESS y/0:

unpack("null", "y", &xy[0], &xz[0])
  SUCCESS y/0:

unpack("{\"foo\":\"Pz8_Pz8_P2hlbGxvPj4-Pj4-Pg\"}", "{s?y}", "foo", &xy[0], &xz[0])
  SUCCESS s:foo y/19:???????hello>>>>>>>

unpack("{\"foo\":\"\"}", "{s?y}", "foo", &xy[0], &xz[0])
  SUCCESS s:foo y/0:

unpack("{}", "{s?y}", "foo", &xy[0], &xz[0])
  SUCCESS s:foo y/0: