fq/pkg/interp/testdata/value_array.fqtest

/test.mp3:
# display
> fq -d mp3 '.headers | ., tovalue, type, length?' /test.mp3
    |00 01 02 03 04 05 06 07 08 09 0a 0b 0c 0d 0e 0f|                |.headers: [1]
0x00|49 44 33 04 00 00 00 00 00 23 54 53 53 45 00 00|ID3......#TSSE..|  [0]: {} (id3v2)
*   |until 0x2c.7 (45)                              |                |
[
  {
    "flags": {
      "experimental_indicator": false,
      "extended_header": false,
      "unsynchronisation": false,
      "unused": 0
    },
    "frames": [
      {
        "flags": {
          "compression": false,
          "data_length_indicator": false,
          "encryption": false,
          "file_alter_preservation": false,
          "grouping_identity": false,
          "read_only": false,
          "tag_alter_preservation": false,
          "unsync": false,
          "unused0": 0,
          "unused1": 0,
          "unused2": 0
        },
        "id": "TSSE",
        "size": 15,
        "text": "Lavf58.45.100",
        "text_encoding": 3
      }
    ],
    "magic": "ID3",
    "padding": null,
    "revision": 0,
    "size": 35,
    "version": 4
  }
]
"array"
1
# index
> fq -d mp3 '.headers[0] | ., type, length?' /test.mp3
    |00 01 02 03 04 05 06 07 08 09 0a 0b 0c 0d 0e 0f|                |.headers[0]: {} (id3v2)
0x00|49 44 33                                       |ID3             |  magic: "ID3" (Correct)
0x00|         04                                    |   .            |  version: 4
0x00|            00                                 |    .           |  revision: 0
0x00|               00                              |     .          |  flags: {}
0x00|                  00 00 00 23                  |      ...#      |  size: 35
0x00|                              54 53 53 45 00 00|          TSSE..|  frames: [1]
0x10|00 0f 00 00 03 4c 61 76 66 35 38 2e 34 35 2e 31|.....Lavf58.45.1|
0x20|30 30 00                                       |00.             |
0x20|         00 00 00 00 00 00 00 00 00 00         |   ..........   |  padding: Correct (none) (zero padding)
"object"
7
> fq -d mp3 '.headers[-1000] | ., type, length?' /test.mp3
null
"null"
0
> fq -d mp3 '.headers[1000] | ., type, length?' /test.mp3
null
"null"
0
# slice
> fq -d mp3 '.headers[1:3] | ., type, length?' /test.mp3
[]
"array"
0
> fq -d mp3 '.headers[0:-1] | ., type, length?' /test.mp3
[]
"array"
0
> fq -d mp3 '.headers[-1000:2000] | ., type, length?' /test.mp3
[
  {
    "flags": {
      "experimental_indicator": false,
      "extended_header": false,
      "unsynchronisation": false,
      "unused": 0
    },
    "frames": [
      {
        "flags": {
          "compression": false,
          "data_length_indicator": false,
          "encryption": false,
          "file_alter_preservation": false,
          "grouping_identity": false,
          "read_only": false,
          "tag_alter_preservation": false,
          "unsync": false,
          "unused0": 0,
          "unused1": 0,
          "unused2": 0
        },
        "id": "TSSE",
        "size": 15,
        "text": "Lavf58.45.100",
        "text_encoding": 3
      }
    ],
    "magic": "ID3",
    "padding": null,
    "revision": 0,
    "size": 35,
    "version": 4
  }
]
"array"
1
# key
> fq -d mp3 '.headers["test"] | ., type, length?' /test.mp3
exitcode: 5
stderr:
error: expected an object with key "test" but got: array
# each
> fq -d mp3 '[.headers[]] | type, length?' /test.mp3
"array"
1
# keys
> fq -d mp3 '.headers | keys' /test.mp3
[
  0
]
# has
> fq -d mp3 '.headers | has("a")' /test.mp3
exitcode: 5
stderr:
error: cannot check whether array has a key: a
> fq -d mp3 '.headers | has(0)' /test.mp3
true
# type
> fq -d mp3 '.headers | type' /test.mp3
"array"
# tonumber
> fq -d mp3 '.headers | tonumber' /test.mp3
exitcode: 5
stderr:
error: tonumber cannot be applied to: array
# tostring
> fq -d mp3 '.headers | tostring' /test.mp3
exitcode: 5
stderr:
error: tostring cannot be applied to: array
# to gojq
> fq -d mp3 '.headers + ""' /test.mp3
exitcode: 5
stderr:
error: cannot add: array ([{"flags":{"experimental_ ...]) and string ("")
> fq -d mp3 '.headers + 1' /test.mp3
exitcode: 5
stderr:
error: cannot add: array ([{"flags":{"experimental_ ...]) and number (1)
# test _keys
> fq -d mp3 '.headers._start | ., type, length?' /test.mp3
0
"number"
0
> fq -d mp3 '.headers._stop | ., type, length?' /test.mp3
360
"number"
360
> fq -d mp3 '.headers._len | ., type, length?' /test.mp3
360
"number"
360
> fq -d mp3 '.headers._name | ., type, length?' /test.mp3
"headers"
"string"
7
> fq -d mp3 '.headers._symbol | ., type, length?' /test.mp3
""
"string"
0
> fq -d mp3 '.headers._description | ., type, length?' /test.mp3
""
"string"
0
> fq -d mp3 '.headers._path | ., type, length?' /test.mp3
[
  "headers"
]
"array"
1
> fq -d mp3 '.headers._bits | ., type, length?' /test.mp3
    |00 01 02 03 04 05 06 07 08 09 0a 0b 0c 0d 0e 0f|                |
0x00|49 44 33 04 00 00 00 00 00 23 54 53 53 45 00 00|ID3......#TSSE..|
<360 bits>
"buffer"
360
> fq -d mp3 '.headers._bytes | ., type, length?' /test.mp3
    |00 01 02 03 04 05 06 07 08 09 0a 0b 0c 0d 0e 0f|                |
0x00|49 44 33 04 00 00 00 00 00 23 54 53 53 45 00 00|ID3......#TSSE..|
<45 bytes>
"buffer"
45
> fq -d mp3 '.headers._error | ., type, length?' /test.mp3
null
"null"
0
> fq -d mp3 '.headers._unknown | ., type, length?' /test.mp3
false
"boolean"