$ jaq -n -L . -rRs 'include "jqjq"; . | jqjq(["", "--run-tests"]; {})' < jqjq.test | grep -v OK:
ERROR: line 14: null | 123, 1.23, 0.123, .123, .123e1, 1.23e1, 2E3, 1.23e+1, 1.23E-2 -> 123,1.23,0.123,0.123,1.23,12.3,2000,12.3,0.0123
  cannot parse .123 as JSON: value expected
ERROR: line 40: "b" | "aaa \("a" + . + "c") ccc" -> "aaa abc ccc"
  cannot use null as iterable (array or object)
ERROR: line 52: null | "aaa \(1,2,3) bbb" -> "aaa 1 bbb","aaa 2 bbb","aaa 3 bbb"
  cannot use null as iterable (array or object)
ERROR: line 95: "abcäሴ💩" | @uri "aaa \(.) bbb \(.)" -> "aaa abc%C3%A4%E1%88%B4%F0%9F%92%A9 bbb abc%C3%A4%E1%88%B4%F0%9F%92%A9"
  cannot calculate 195.0 % 16
ERROR: line 131: {"a":1} | {a} -> {"a":1}
  cannot use null as iterable (array or object)
ERROR: line 135: {"a":1} | {"a"} -> {"a":1}
  cannot use null as iterable (array or object)
ERROR: line 139: null | 1 as $a | {$a} -> {"a":1}
  cannot use null as iterable (array or object)
ERROR: line 147: null | {a: 1, b: 2} | 3 as $c | {a, "b", $c, ("d"): 4} -> {"a":1,"b":2,"c":3,"d":4}
  cannot use null as iterable (array or object)
ERROR: line 489: {"a":1,"b":2} | del(.a) -> {"b":2}
  undefined function delpaths/1
ERROR: line 493: [1,2,3] | del(.[1]) -> [1,3]
  undefined function delpaths/1
ERROR: line 497: [1,2,3] | del(.[1],.[1]) -> [1,3]
  undefined function delpaths/1
ERROR: line 527: null | .a = 123 -> {"a":123}
  cannot use null as iterable (array or object)
ERROR: line 531: null | (.a,.b) = 123 -> {"a":123,"b":123}
  cannot use null as iterable (array or object)
ERROR: line 536: null | .a = 123 | .a |= . + 1 -> {"a":124}
  cannot use null as iterable (array or object)
ERROR: line 540: null | .a = 123 | (.a,.b) |= . + 3 -> {"a":126,"b":3}
  cannot use null as iterable (array or object)
ERROR: line 546: null | .a = 123 | .a += 3 -> {"a":126}
  cannot use null as iterable (array or object)
ERROR: line 550: null | .a = 123 | (.a,.b) += 3 -> {"a":126,"b":3}
  cannot use null as iterable (array or object)
ERROR: line 555: null | .a = 3 | .a += .a + 3 -> {"a":9}
  cannot use null as iterable (array or object)
ERROR: line 561: null | .a = 123 | .a -= 3 -> {"a":120}
  cannot use null as iterable (array or object)
ERROR: line 565: null | .a = 123 | .b = 0 | (.a,.b) -= 3 -> {"a":120,"b":-3}
  cannot use null as iterable (array or object)
ERROR: line 571: null | .a = 123 | .a *= 3 -> {"a":369}
  cannot use null as iterable (array or object)
ERROR: line 575: null | .a = 123 | .b = 1 | (.a,.b) *= 3 -> {"a":369,"b":3}
  cannot use null as iterable (array or object)
ERROR: line 581: null | .a = 120 | .a /= 3 -> {"a":40}
  cannot use null as iterable (array or object)
ERROR: line 585: null | .a = 120 | .b = 3 | (.a,.b) /= 3 -> {"a":40,"b":1}
  cannot use null as iterable (array or object)
ERROR: line 591: null | .a = 123 | .a %= 4 -> {"a":3}
  cannot use null as iterable (array or object)
ERROR: line 595: null | .a = 123 | .b = 4 | (.a,.b) %= 4 -> {"a":3,"b":0}
  cannot use null as iterable (array or object)
DIFF: line 697: null | try (1+"a") catch . -> "number (1) and string (\"a\") cannot be added"
  Expected: "number (1) and string (\"a\") cannot be added"
    Actual: "cannot calculate 1 + \"a\""
DIFF: line 707: null | error(123)? // 456 -> 456
  Expected: 456
    Actual: 
ERROR: line 811: [[],[{"a":1}],[{"a":1},{"a":2},{"a":1}]] | map(group_by(.a)) -> [[],[[{"a":1}]],[[{"a":1},{"a":1}],[{"a":2}]]]
  undefined function setpath/2
ERROR: line 815: [{"a":1,"b":2},{"a":2},{"a":1,"b":2}] | group_by(.a, .b) -> [[{"a":1,"b":2},{"a":1,"b":2}],[{"a":2}]]
  undefined function setpath/2
ERROR: line 819: [[],[{"a":1}],[{"a":1},{"a":2},{"a":1}]] | map(group_by(.a)) -> [[],[[{"a":1}]],[[{"a":1},{"a":1}],[{"a":2}]]]
  undefined function setpath/2
ERROR: line 823: [{"a":1,"b":2},{"a":2},{"a":1,"b":2}] | unique_by(.a, .b) -> [{"a":1,"b":2},{"a":2}]
  undefined function setpath/2
ERROR: line 827: [[],[1],[3,2,2],[3,1,1,2]] | map(unique) -> [[],[1],[2,3],[1,2,3]]
  undefined function setpath/2
ERROR: line 863: [{"key":"a","value":1},{"Key":"b","Value":2},{"Name":"c","value":false}] | from_entries -> {"a":1,"b":2,"c":false}
  undefined function setpath/2
ERROR: line 867: {"a":1,"b":2} | with_entries(.key |= "_"+. | .value += 100) -> {"_a":101,"_b":102}
  undefined function setpath/2
ERROR: line 968: {"a":{"c":1},"b":{"c":2}} | .[].c = 123 -> {"a":{"c":123},"b":{"c":123}}
  undefined function setpath/2
ERROR: line 983: [[1,2],[3,4]] | .[][] += 1 -> [[2,3],[4,5]]
  undefined function setpath/2
DIFF: line 998: null | empty // empty // 123 -> 123
  Expected: 123
    Actual: 
DIFF: line 1002: null | . // . // 123 -> 123
  Expected: 123
    Actual: 
DIFF: line 1006: null | (1,null,2,3) // 123 -> 1,2,3
  Expected: 1,2,3
    Actual: 1
DIFF: line 1012: null | null // (1,null,2,3) -> 1,null,2,3
  Expected: 1,null,2,3
    Actual: 
DIFF: line 1019: null | null // 1,2 // 123 -> 1,2
  Expected: 1,2
    Actual: 2
DIFF: line 1029: null | try (empty // 1,error("a"),2) catch . -> 1,"a"
  Expected: 1,"a"
    Actual: "a"
ERROR: line 1035: {"foo":0} | (.foo,.foo,.foo) |= .+1 -> {"foo":3}
  undefined function setpath/2
ERROR: line 1078: [1,2,3] | bsearch(0,2,4) -> -1,1,-4
  undefined function setpath/2
ERROR: line 1159: {} | [path(.a, .b.c)] -> [["a"],["b","c"]]
  cannot use null as iterable (array or object)
ERROR: line 1183: [[],[1],[3,2,2],[3,1,1,2]] | map(group) -> [[],[[1]],[[2,2],[3]],[[1,1],[2],[3]]]
  undefined function setpath/2
ERROR: line 1238: null | (.a | eval(".a, .b.c")) = 123 -> {"a":{"a":123,"b":{"c":123}}}
  cannot use null as iterable (array or object)
205 of 253 tests passed
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