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path: root/tests/utils/utils_test.ok
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Plain dump
00 01 02 03 
00010203
Corner case
00 01 02 03 04 05 06 07 08 09 0a 0b 0c 0d 0e 0f 10 11 12 13 14 15 16 17 18 19 1a 1b 1c 1d 1e 1f 20 21 22 23 24 25 26 27 28 29 2a 2b 2c 2d 2e 2f 30 31 32 33 34 35 36 37 38 39 3a 3b 3c 3d 3e 3f 40 41 42 43 44 45 46 47 48 49 4a 4b 4c 4d 4e 4f 50 51 52 53 54 55 56 57 58 59 5a 5b 5c 5d 5e 5f 60 61 62 63 64 65 66 67 68 69 6a 6b 6c 6d 6e 6f 70 71 72 73 74 75 76 77 78 79 7a 7b 7c 7d 7e 7f 80 81 82 83 84 85 86 87 88 89 8a 8b 8c 8d 8e 8f 90 91 92 93 94 95 96 97 98 99 9a 9b 9c 9d 9e 9f a0 a1 a2 a3 a4 a5 a6 a7 a8 a9 aa ab ac ad ae af b0 b1 b2 b3 b4 b5 b6 b7 b8 b9 ba bb bc bd be bf c0 c1 c2 c3 c4 c5 c6 c7 c8 c9 ca cb cc cd ce cf d0 d1 d2 d3 d4 d5 d6 d7 d8 d9 da db dc dd de df e0 e1 e2 e3 e4 e5 e6 e7 e8 e9 ea eb ec ed ee ef f0 f1 f2 f3 f4 f5 f6 f7 f8 f9 fa fb fc fd fe ff 00 01 02 03 04 05 06 07 08 09 0a 0b 0c 0d 0e 0f 10 11 12 13 14 15 16 17 18 19 1a 1b 1c 1d 1e 1f 20 21 22 23 24 25 26 27 28 29 2a 2b 2c 2d 2e 2f 30 31 32 33 34 35 36 37 38 39 3a 3b 3c 3d 3e 3f 40 41 42 43 44 45 46 47 48 49 4a 4b 4c 4d 4e 4f 50 51 52 53 54 55 56 57 58 59 5a 5b 5c 5d 5e 5f 60 61 62 63 64 65 66 67 68 69 6a 6b 6c 6d 6e 6f 70 71 72 73 74 75 76 77 78 79 7a 7b 7c 7d 7e 7f 80 81 82 83 84 85 86 87 88 89 8a 8b 8c 8d 8e 8f 90 91 92 93 94 95 96 97 98 99 9a 9b 9c 9d 9e 9f a0 a1 a2 a3 a4 a5 a6 a7 a8 a9 aa ab ac ad ae af b0 b1 b2 b3 b4 b5 b6 b7 b8 b9 ba bb bc bd be bf c0 c1 c2 c3 c4 c5 c6 c7 c8 c9 ca cb cc cd ce cf d0 d1 d2 d3 d4 d5 d6 d7 d8 d9 da db dc dd de df e0 e1 e2 e3 e4 e5 e6 e7 e8 e9 ea eb ec ed ee ef f0 f1 f2 f3 f4 f5 f6 f7 f8 f9 fa fb fc fd fe ff 00 01 02 03 04 05 06 07 08 09 0a 0b 0c 0d 0e 0f 10 11 12 13 14 15 16 17 18 19 1a 1b 1c 1d 1e 1f 20 21 22 23 24 25 26 27 28 29 2a 2b 2c 2d 2e 2f 30 31 32 33 34 35 36 37 38 39 3a 3b 3c 3d 3e 3f 40 41 42 43 44 45 46 47 48 49 4a 4b 4c 4d 4e 4f 50 51 52 53 54 55 56 57 58 59 5a 5b 5c 5d 5e 5f 60 61 62 63 64 65 66 67 68 69 6a 6b 6c 6d 6e 6f 70 71 72 73 74 75 76 77 78 79 7a 7b 7c 7d 7e 7f 80 81 82 83 84 85 86 87 88 89 8a 8b 8c 8d 8e 8f 90 91 92 93 94 95 96 97 98 99 9a 9b 9c 9d 9e 9f a0 a1 a2 a3 a4 a5 a6 a7 a8 a9 aa ab ac ad ae af b0 b1 b2 b3 b4 b5 b6 b7 b8 b9 ba bb bc bd be bf c0 c1 c2 c3 c4 c5 c6 c7 c8 c9 ca cb cc cd ce cf d0 d1 d2 d3 d4 d5 d6 d7 d8 d9 da db dc dd de df e0 e1 e2 e3 e4 e5 e6 e7 e8 e9 ea eb ec ed ee ef f0 f1 f2 f3 f4 f5 f6 f7 f8 f9 fa fb fc fd fe ff 00 01 02 03 04 05 06 07 08 09 0a 0b 0c 0d 0e 0f 10 11 12 13 14 15 16 17 18 19 1a 1b 1c 1d 1e 1f 20 21 22 23 24 25 26 27 28 29 2a 2b 2c 2d 2e 2f 30 31 32 33 34 35 36 37 38 39 3a 3b 3c 3d 3e 3f 40 41 42 43 44 45 46 47 48 49 4a 4b 4c 4d 4e 4f 50 51 52 53 54 55 56 57 58 59 5a 5b 5c 5d 5e 5f 60 61 62 63 64 65 66 67 68 69 6a 6b 6c 6d 6e 6f 70 71 72 73 74 75 76 77 78 79 7a 7b 7c 7d 7e 7f 80 81 82 83 84 85 86 87 88 89 8a 8b 8c 8d 8e 8f 90 91 92 93 94 95 96 97 98 99 9a 9b 9c 9d 9e 9f a0 a1 a2 a3 a4 a5 a6 a7 a8 a9 aa ab ac ad ae af b0 b1 b2 b3 b4 b5 b6 b7 b8 b9 ba bb bc bd be bf c0 c1 c2 c3 c4 c5 c6 c7 c8 c9 ca cb cc cd ce cf d0 d1 d2 d3 d4 d5 d6 d7 d8 d9 da db dc dd de df e0 e1 e2 e3 e4 e5 e6 e7 e8 e9 ea eb ec ed ee ef f0 f1 f2 f3 f4 f5 f6 f7 f8 f9 fa fb fc fd fe ff 00 01 02 03 04 05 06 07 08 09 0a 0b 0c 0d 0e 0f 10 11 12 13 14 15 16 17 18 19 1a 1b 1c 1d 1e 1f 20 21 22 23 24 25 26 27 28 29 2a 2b 2c 2d 2e 2f 30 31 32 33 34 35 36 37 38 39 3a 3b 3c 3d 3e 3f 40 41 42 43 44 45 46 47 48 49 4a 4b 4c 4d 4e 4f 50 51 52 53 54 55 56 57 58 59 5a 5b 5c 5d 5e 5f 60 61 62 63 64 65 66 67 68 69 6a 6b 6c 6d 6e 6f 70 71 72 73 74 75 76 77 78 79 7a 7b 7c 7d 7e 7f 80 81 82 83 84 85 86 87 88 89 8a 8b 8c 8d 8e 8f 90 91 92 93 94 95 96 97 98 99 9a 9b 9c 9d 9e 9f a0 a1 a2 a3 a4 a5 a6 a7 a8 a9 aa ab ac ad ae af b0 b1 b2 b3 b4 b5 b6 b7 b8 b9 ba bb bc bd be bf c0 c1 c2 c3 c4 c5 c6 c7 c8 c9 ca cb cc cd ce cf d0 d1 d2 d3 d4 d5 d6 d7 d8 d9 da db dc dd de df e0 e1 e2 e3 e4 e5 e6 e7 e8 e9 ea eb ec ed ee ef f0 f1 f2 f3 f4 f5 f6 f7 f8 f9 fa fb fc fd fe ff 00 01 02 03 04 05 06 07 08 09 0a 0b 0c 0d 0e 0f 10 11 12 13 14 15 16 17 18 19 1a 1b 1c 1d 1e 1f 20 21 22 23 24 25 26 27 28 29 2a 2b 2c 2d 2e 2f 30 31 32 33 34 35 36 37 38 39 3a 3b 3c 3d 3e 3f 40 41 42 43 44 45 46 47 48 49 4a 4b 4c 4d 4e 4f 50 51 52 53 54 
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
osmo_hexdump_buf(buf, sizeof(buf), data, 4, "[delim]", false)
 = "00[delim]01[delim]02[delim]03"
osmo_hexdump_buf(buf, sizeof(buf), data, 4, "[delim]", true)
 = "00[delim]01[delim]02[delim]03[delim]"
osmo_hexdump_buf(buf, 6, data, 4, "[delim]", false)
 = ""
osmo_hexdump_buf(buf, 7, data, 4, "[delim]", false)
 = ""
osmo_hexdump_buf(buf, 8, data, 4, "[delim]", false)
 = ""
osmo_hexdump_buf(buf, 6, data, 4, "[delim]", true)
 = ""
osmo_hexdump_buf(buf, 7, data, 4, "[delim]", true)
 = ""
osmo_hexdump_buf(buf, 8, data, 4, "[delim]", true)
 = ""
osmo_hexdump_buf(buf, sizeof(buf), data, 4, " ", false)
 = "00 01 02 03"
osmo_hexdump_buf(buf, sizeof(buf), data, 4, " ", true)
 = "00 01 02 03 "
osmo_hexdump_buf(buf, 6, data, 4, " ", false)
 = "00 "
osmo_hexdump_buf(buf, 7, data, 4, " ", false)
 = "00 01 "
osmo_hexdump_buf(buf, 8, data, 4, " ", false)
 = "00 01 "
osmo_hexdump_buf(buf, 6, data, 4, " ", true)
 = "00 "
osmo_hexdump_buf(buf, 7, data, 4, " ", true)
 = "00 01 "
osmo_hexdump_buf(buf, 8, data, 4, " ", true)
 = "00 01 "
osmo_hexdump_buf(buf, sizeof(buf), data, 4, ":", false)
 = "00:01:02:03"
osmo_hexdump_buf(buf, sizeof(buf), data, 4, ":", true)
 = "00:01:02:03:"
osmo_hexdump_buf(buf, 6, data, 4, ":", false)
 = "00:"
osmo_hexdump_buf(buf, 7, data, 4, ":", false)
 = "00:01:"
osmo_hexdump_buf(buf, 8, data, 4, ":", false)
 = "00:01:"
osmo_hexdump_buf(buf, 6, data, 4, ":", true)
 = "00:"
osmo_hexdump_buf(buf, 7, data, 4, ":", true)
 = "00:01:"
osmo_hexdump_buf(buf, 8, data, 4, ":", true)
 = "00:01:"
osmo_hexdump_buf(buf, sizeof(buf), data, 4, "::", false)
 = "00::01::02::03"
osmo_hexdump_buf(buf, sizeof(buf), data, 4, "::", true)
 = "00::01::02::03::"
osmo_hexdump_buf(buf, 6, data, 4, "::", false)
 = "00::"
osmo_hexdump_buf(buf, 7, data, 4, "::", false)
 = "00::"
osmo_hexdump_buf(buf, 8, data, 4, "::", false)
 = "00::"
osmo_hexdump_buf(buf, 6, data, 4, "::", true)
 = "00::"
osmo_hexdump_buf(buf, 7, data, 4, "::", true)
 = "00::"
osmo_hexdump_buf(buf, 8, data, 4, "::", true)
 = "00::"
osmo_hexdump_buf(buf, sizeof(buf), data, 4, "", false)
 = "00010203"
osmo_hexdump_buf(buf, sizeof(buf), data, 4, "", true)
 = "00010203"
osmo_hexdump_buf(buf, 6, data, 4, "", false)
 = "0001"
osmo_hexdump_buf(buf, 7, data, 4, "", false)
 = "000102"
osmo_hexdump_buf(buf, 8, data, 4, "", false)
 = "000102"
osmo_hexdump_buf(buf, 6, data, 4, "", true)
 = "0001"
osmo_hexdump_buf(buf, 7, data, 4, "", true)
 = "000102"
osmo_hexdump_buf(buf, 8, data, 4, "", true)
 = "000102"
osmo_hexdump_buf(buf, sizeof(buf), data, 4, NULL, false)
 = "00010203"
osmo_hexdump_buf(buf, sizeof(buf), data, 4, NULL, true)
 = "00010203"
osmo_hexdump_buf(buf, 6, data, 4, NULL, false)
 = "0001"
osmo_hexdump_buf(buf, 7, data, 4, NULL, false)
 = "000102"
osmo_hexdump_buf(buf, 8, data, 4, NULL, false)
 = "000102"
osmo_hexdump_buf(buf, 6, data, 4, NULL, true)
 = "0001"
osmo_hexdump_buf(buf, 7, data, 4, NULL, true)
 = "000102"
osmo_hexdump_buf(buf, 8, data, 4, NULL, true)
 = "000102"

Hexparse 0..255 in lower case
rc = 256
--> 00 01 02 03 04 05 06 07 08 09 0a 0b 0c 0d 0e 0f 10 11 12 13 14 15 16 17 18 19 1a 1b 1c 1d 1e 1f 20 21 22 23 24 25 26 27 28 29 2a 2b 2c 2d 2e 2f 30 31 32 33 34 35 36 37 38 39 3a 3b 3c 3d 3e 3f 40 41 42 43 44 45 46 47 48 49 4a 4b 4c 4d 4e 4f 50 51 52 53 54 55 56 57 58 59 5a 5b 5c 5d 5e 5f 60 61 62 63 64 65 66 67 68 69 6a 6b 6c 6d 6e 6f 70 71 72 73 74 75 76 77 78 79 7a 7b 7c 7d 7e 7f 80 81 82 83 84 85 86 87 88 89 8a 8b 8c 8d 8e 8f 90 91 92 93 94 95 96 97 98 99 9a 9b 9c 9d 9e 9f a0 a1 a2 a3 a4 a5 a6 a7 a8 a9 aa ab ac ad ae af b0 b1 b2 b3 b4 b5 b6 b7 b8 b9 ba bb bc bd be bf c0 c1 c2 c3 c4 c5 c6 c7 c8 c9 ca cb cc cd ce cf d0 d1 d2 d3 d4 d5 d6 d7 d8 d9 da db dc dd de df e0 e1 e2 e3 e4 e5 e6 e7 e8 e9 ea eb ec ed ee ef f0 f1 f2 f3 f4 f5 f6 f7 f8 f9 fa fb fc fd fe ff 

Hexparse 0..255 in upper case
rc = 256
--> 00 01 02 03 04 05 06 07 08 09 0a 0b 0c 0d 0e 0f 10 11 12 13 14 15 16 17 18 19 1a 1b 1c 1d 1e 1f 20 21 22 23 24 25 26 27 28 29 2a 2b 2c 2d 2e 2f 30 31 32 33 34 35 36 37 38 39 3a 3b 3c 3d 3e 3f 40 41 42 43 44 45 46 47 48 49 4a 4b 4c 4d 4e 4f 50 51 52 53 54 55 56 57 58 59 5a 5b 5c 5d 5e 5f 60 61 62 63 64 65 66 67 68 69 6a 6b 6c 6d 6e 6f 70 71 72 73 74 75 76 77 78 79 7a 7b 7c 7d 7e 7f 80 81 82 83 84 85 86 87 88 89 8a 8b 8c 8d 8e 8f 90 91 92 93 94 95 96 97 98 99 9a 9b 9c 9d 9e 9f a0 a1 a2 a3 a4 a5 a6 a7 a8 a9 aa ab ac ad ae af b0 b1 b2 b3 b4 b5 b6 b7 b8 b9 ba bb bc bd be bf c0 c1 c2 c3 c4 c5 c6 c7 c8 c9 ca cb cc cd ce cf d0 d1 d2 d3 d4 d5 d6 d7 d8 d9 da db dc dd de df e0 e1 e2 e3 e4 e5 e6 e7 e8 e9 ea eb ec ed ee ef f0 f1 f2 f3 f4 f5 f6 f7 f8 f9 fa fb fc fd fe ff 

Hexparse 0..255 in mixed case
rc = 256
--> 00 01 02 03 04 05 06 07 08 09 0a 0b 0c 0d 0e 0f 10 11 12 13 14 15 16 17 18 19 1a 1b 1c 1d 1e 1f 20 21 22 23 24 25 26 27 28 29 2a 2b 2c 2d 2e 2f 30 31 32 33 34 35 36 37 38 39 3a 3b 3c 3d 3e 3f 40 41 42 43 44 45 46 47 48 49 4a 4b 4c 4d 4e 4f 50 51 52 53 54 55 56 57 58 59 5a 5b 5c 5d 5e 5f 60 61 62 63 64 65 66 67 68 69 6a 6b 6c 6d 6e 6f 70 71 72 73 74 75 76 77 78 79 7a 7b 7c 7d 7e 7f 80 81 82 83 84 85 86 87 88 89 8a 8b 8c 8d 8e 8f 90 91 92 93 94 95 96 97 98 99 9a 9b 9c 9d 9e 9f a0 a1 a2 a3 a4 a5 a6 a7 a8 a9 aa ab ac ad ae af b0 b1 b2 b3 b4 b5 b6 b7 b8 b9 ba bb bc bd be bf c0 c1 c2 c3 c4 c5 c6 c7 c8 c9 ca cb cc cd ce cf d0 d1 d2 d3 d4 d5 d6 d7 d8 d9 da db dc dd de df e0 e1 e2 e3 e4 e5 e6 e7 e8 e9 ea eb ec ed ee ef f0 f1 f2 f3 f4 f5 f6 f7 f8 f9 fa fb fc fd fe ff 

Hexparse 0..255 with whitespace
rc = 256
--> 00 01 02 03 04 05 06 07 08 09 0a 0b 0c 0d 0e 0f 10 11 12 13 14 15 16 17 18 19 1a 1b 1c 1d 1e 1f 20 21 22 23 24 25 26 27 28 29 2a 2b 2c 2d 2e 2f 30 31 32 33 34 35 36 37 38 39 3a 3b 3c 3d 3e 3f 40 41 42 43 44 45 46 47 48 49 4a 4b 4c 4d 4e 4f 50 51 52 53 54 55 56 57 58 59 5a 5b 5c 5d 5e 5f 60 61 62 63 64 65 66 67 68 69 6a 6b 6c 6d 6e 6f 70 71 72 73 74 75 76 77 78 79 7a 7b 7c 7d 7e 7f 80 81 82 83 84 85 86 87 88 89 8a 8b 8c 8d 8e 8f 90 91 92 93 94 95 96 97 98 99 9a 9b 9c 9d 9e 9f a0 a1 a2 a3 a4 a5 a6 a7 a8 a9 aa ab ac ad ae af b0 b1 b2 b3 b4 b5 b6 b7 b8 b9 ba bb bc bd be bf c0 c1 c2 c3 c4 c5 c6 c7 c8 c9 ca cb cc cd ce cf d0 d1 d2 d3 d4 d5 d6 d7 d8 d9 da db dc dd de df e0 e1 e2 e3 e4 e5 e6 e7 e8 e9 ea eb ec ed ee ef f0 f1 f2 f3 f4 f5 f6 f7 f8 f9 fa fb fc fd fe ff 

Hexparse with buffer too short
rc = -1
Hexparse with uneven amount of digits
rc = -1
Hexparse with invalid char
rc = -1

Testing IPA CCM ID GET parsing

Testing IPA CCM ID RESP parsing

----- test_is_hexstr
 0: pass str='(null)' min=0 max=10 even=0 expect=valid
 1: pass str='(null)' min=1 max=10 even=0 expect=invalid
 2: pass str='' min=0 max=10 even=0 expect=valid
 3: pass str='' min=1 max=10 even=0 expect=invalid
 4: pass str=' ' min=0 max=10 even=0 expect=invalid
 5: pass str='1' min=0 max=10 even=0 expect=valid
 6: pass str='1' min=1 max=10 even=0 expect=valid
 7: pass str='1' min=1 max=10 even=1 expect=invalid
 8: pass str='1' min=2 max=10 even=0 expect=invalid
 9: pass str='123' min=1 max=10 even=0 expect=valid
10: pass str='123' min=1 max=10 even=1 expect=invalid
11: pass str='123' min=4 max=10 even=0 expect=invalid
12: pass str='1234' min=4 max=10 even=1 expect=valid
13: pass str='12345' min=4 max=10 even=1 expect=invalid
14: pass str='123456' min=4 max=10 even=1 expect=valid
15: pass str='1234567' min=4 max=10 even=1 expect=invalid
16: pass str='12345678' min=4 max=10 even=1 expect=valid
17: pass str='123456789' min=4 max=10 even=1 expect=invalid
18: pass str='123456789a' min=4 max=10 even=1 expect=valid
19: pass str='123456789ab' min=4 max=10 even=1 expect=invalid
20: pass str='123456789abc' min=4 max=10 even=1 expect=invalid
21: pass str='123456789ab' min=4 max=10 even=0 expect=invalid
22: pass str='123456789abc' min=4 max=10 even=0 expect=invalid
23: pass str='0123456789abcdefABCDEF' min=0 max=100 even=0 expect=valid
24: pass str='0123456789 abcdef ABCDEF' min=0 max=100 even=0 expect=invalid
25: pass str='foobar' min=0 max=100 even=0 expect=invalid
26: pass str='BeadedBeeAced1EbbedDefacedFacade' min=32 max=32 even=1 expect=valid
27: pass str='C01ffedC1cadaeAc1d1f1edAcac1aB0a' min=32 max=32 even=0 expect=valid
28: pass str='DeafBeddedBabeAcceededFadedDecaff' min=32 max=32 even=0 expect=invalid

Testing BCD conversion
	val=0x0, expected=0, found=0
	val=0x1, expected=1, found=1
	val=0x2, expected=2, found=2
	val=0x3, expected=3, found=3
	val=0x4, expected=4, found=4
	val=0x5, expected=5, found=5
	val=0x6, expected=6, found=6
	val=0x7, expected=7, found=7
	val=0x8, expected=8, found=8
	val=0x9, expected=9, found=9
	val=0xa, expected=A, found=A
	val=0xb, expected=B, found=B
	val=0xc, expected=C, found=C
	val=0xd, expected=D, found=D
	val=0xe, expected=E, found=E
	val=0xf, expected=F, found=F

Testing bcd to string conversion
- BCD-input='1a 32 54 76 98 f0' nibbles=[1..11[ str_size=64
  rc=10
  -> "1234567890"
osmo_str2bcd(start_nibble=1) -> rc=6
 = 1f 32 54 76 98 f0 
- BCD-input='1a 32 a4 cb 9d f0' nibbles=[1..11[ str_size=64
  rc=-22
  -> "1234ABCD90"
osmo_str2bcd(start_nibble=1) -> rc=-22
- BCD-input='1a 32 a4 cb 9d f0' nibbles=[1..11[ str_size=64
  rc=10
  -> "1234ABCD90"
osmo_str2bcd(start_nibble=1) -> rc=6
 = 1f 32 a4 cb 9d f0 
- BCD-input='1a 32 54 76 98 f0' nibbles=[1..12[ str_size=64
  rc=-22
  -> "1234567890F"
osmo_str2bcd(start_nibble=1) -> rc=-22
- BCD-input='1a 32 54 76 98 f0' nibbles=[1..12[ str_size=64
  rc=11
  -> "1234567890F"
osmo_str2bcd(start_nibble=1) -> rc=6
 = 1f 32 54 76 98 f0 
- BCD-input='1a 32 54 76 98 f0' nibbles=[0..12[ str_size=64
  rc=12
  -> "A1234567890F"
osmo_str2bcd(start_nibble=0) -> rc=6
 = 1a 32 54 76 98 f0 
- BCD-input='1a 32 54 76 98 f0' nibbles=[1..12[ str_size=5
  rc=11
  -> "1234"
osmo_str2bcd(start_nibble=1) -> rc=3
 = 1f 32 f4 
- BCD-input='' nibbles=[1..1[ str_size=64
  rc=0
  -> ""
osmo_str2bcd(start_nibble=1) -> rc=1
 = ff 
- zero output buffer
  bcd2str(NULL, ...) -> -12
  bcd2str(dst, 0, ...) -> -12

Testing string escaping: osmo_escape_str()
- all chars from 0 to 255 in batches of 16:
"\0\1\2\3\4\5\6\a\b\t\n\v\f\r\14\15"
"\16\17\18\19\20\21\22\23\24\25\26\27\28\29\30\31"
" !\"#$%&'()*+,-./"
"0123456789:;<=>?"
"@ABCDEFGHIJKLMNO"
"PQRSTUVWXYZ[\\]^_"
"`abcdefghijklmno"
"pqrstuvwxyz{|}~\127"
"\128\129\130\131\132\133\134\135\136\137\138\139\140\141\142\143"
"\144\145\146\147\148\149\150\151\152\153\154\155\156\157\158\159"
"\160\161\162\163\164\165\166\167\168\169\170\171\172\173\174\175"
"\176\177\178\179\180\181\182\183\184\185\186\187\188\189\190\191"
"\192\193\194\195\196\197\198\199\200\201\202\203\204\205\206\207"
"\208\209\210\211\212\213\214\215\216\217\218\219\220\221\222\223"
"\224\225\226\227\228\229\230\231\232\233\234\235\236\237\238\239"
"\240\241\242\243\244\245\246\247\248\249\250\251\252\253\254\255"
- nul terminated:
"termi\nated"
- passthru:
passed through unchanged "printable"
- zero length:
""
- truncation when too long:
"\axxxxxxE"

Testing string quoting: osmo_quote_str()
- all chars from 0 to 255 in batches of 16:
'"\0\1\2\3\4\5\6\a\b\t\n\v\f\r\14\15"'
'"\16\17\18\19\20\21\22\23\24\25\26\27\28\29\30\31"'
'" !\"#$%&'()*+,-./"'
'"0123456789:;<=>?"'
'"@ABCDEFGHIJKLMNO"'
'"PQRSTUVWXYZ[\\]^_"'
'"`abcdefghijklmno"'
'"pqrstuvwxyz{|}~\127"'
'"\128\129\130\131\132\133\134\135\136\137\138\139\140\141\142\143"'
'"\144\145\146\147\148\149\150\151\152\153\154\155\156\157\158\159"'
'"\160\161\162\163\164\165\166\167\168\169\170\171\172\173\174\175"'
'"\176\177\178\179\180\181\182\183\184\185\186\187\188\189\190\191"'
'"\192\193\194\195\196\197\198\199\200\201\202\203\204\205\206\207"'
'"\208\209\210\211\212\213\214\215\216\217\218\219\220\221\222\223"'
'"\224\225\226\227\228\229\230\231\232\233\234\235\236\237\238\239"'
'"\240\241\242\243\244\245\246\247\248\249\250\251\252\253\254\255"'
- nul terminated:
'"termi\nated"'
- never passthru:
NOT passed through. '"printable"'
- zero length:
'""'
- truncation when too long:
'"\axxxxxE'
- always truncation, even when no escaping needed:
'"xxxxxxxE'
- try to feed too little buf for quoting:
'"'
- NULL string becomes a "NULL" literal:
'NULL'

Testing string escaping: osmo_escape_cstr_buf()
- all chars from 0 to 255 in batches of 16:
"\0\x01\x02\x03\x04\x05\x06\x07\x08\t\n\x0b\x0c\r\x0e\x0f"
"\x10\x11\x12\x13\x14\x15\x16\x17\x18\x19\x1a\x1b\x1c\x1d\x1e\x1f"
" !\"#$%&'()*+,-./"
"0123456789:;<=>?"
"@ABCDEFGHIJKLMNO"
"PQRSTUVWXYZ[\\]^_"
"`abcdefghijklmno"
"pqrstuvwxyz{|}~\x7f"
"\x80\x81\x82\x83\x84\x85\x86\x87\x88\x89\x8a\x8b\x8c\x8d\x8e\x8f"
"\x90\x91\x92\x93\x94\x95\x96\x97\x98\x99\x9a\x9b\x9c\x9d\x9e\x9f"
"\xa0\xa1\xa2\xa3\xa4\xa5\xa6\xa7\xa8\xa9\xaa\xab\xac\xad\xae\xaf"
"\xb0\xb1\xb2\xb3\xb4\xb5\xb6\xb7\xb8\xb9\xba\xbb\xbc\xbd\xbe\xbf"
"\xc0\xc1\xc2\xc3\xc4\xc5\xc6\xc7\xc8\xc9\xca\xcb\xcc\xcd\xce\xcf"
"\xd0\xd1\xd2\xd3\xd4\xd5\xd6\xd7\xd8\xd9\xda\xdb\xdc\xdd\xde\xdf"
"\xe0\xe1\xe2\xe3\xe4\xe5\xe6\xe7\xe8\xe9\xea\xeb\xec\xed\xee\xef"
"\xf0\xf1\xf2\xf3\xf4\xf5\xf6\xf7\xf8\xf9\xfa\xfb\xfc\xfd\xfe\xff"
- nul terminated:
"termi\nated"
- passthru:
passed through unchanged "printable"
- zero length:
""
- truncation when too long:
"\x07xxxxx"
- Test escaping an escaped string:
0: '\x02\x03\n'
1: '\\x02\\x03\\n'
2: '\\\\x02\\\\x03\\\\n'
3: '\\\\\\\\x02\\\\\\\\x03\\\\\\\\n'

Testing string quoting: osmo_quote_cstr_buf()
- all chars from 0 to 255 in batches of 16:
"\0\x01\x02\x03\x04\x05\x06\x07\x08\t\n\x0b\x0c\r\x0e\x0f"
"\x10\x11\x12\x13\x14\x15\x16\x17\x18\x19\x1a\x1b\x1c\x1d\x1e\x1f"
" !\"#$%&'()*+,-./"
"0123456789:;<=>?"
"@ABCDEFGHIJKLMNO"
"PQRSTUVWXYZ[\\]^_"
"`abcdefghijklmno"
"pqrstuvwxyz{|}~\x7f"
"\x80\x81\x82\x83\x84\x85\x86\x87\x88\x89\x8a\x8b\x8c\x8d\x8e\x8f"
"\x90\x91\x92\x93\x94\x95\x96\x97\x98\x99\x9a\x9b\x9c\x9d\x9e\x9f"
"\xa0\xa1\xa2\xa3\xa4\xa5\xa6\xa7\xa8\xa9\xaa\xab\xac\xad\xae\xaf"
"\xb0\xb1\xb2\xb3\xb4\xb5\xb6\xb7\xb8\xb9\xba\xbb\xbc\xbd\xbe\xbf"
"\xc0\xc1\xc2\xc3\xc4\xc5\xc6\xc7\xc8\xc9\xca\xcb\xcc\xcd\xce\xcf"
"\xd0\xd1\xd2\xd3\xd4\xd5\xd6\xd7\xd8\xd9\xda\xdb\xdc\xdd\xde\xdf"
"\xe0\xe1\xe2\xe3\xe4\xe5\xe6\xe7\xe8\xe9\xea\xeb\xec\xed\xee\xef"
"\xf0\xf1\xf2\xf3\xf4\xf5\xf6\xf7\xf8\xf9\xfa\xfb\xfc\xfd\xfe\xff"
- nul terminated:
'"termi\nated"'
- never passthru:
NOT passed through. '"printable"'
- zero length:
'""'
- truncation when too long:
'"\x07xxxx'
- always truncation, even when no escaping needed:
'"xxxxxxxE'
- try to feed too little buf for quoting:
'"'
- Test quoting a quoted+escaped string:
0: "\x02\x03\n"
1: "\"\\x02\\x03\\n\""
2: "\"\\\"\\\\x02\\\\x03\\\\n\\\"\""
3: "\"\\\"\\\\\\\"\\\\\\\\x02\\\\\\\\x03\\\\\\\\n\\\\\\\"\\\"\""
- Test C-string equivalence:
strcmp(OSMO_STRINGIFY_VAL(TEST_STR), osmo_quote_cstr_c(ctx, TEST_STR, 256)) == 0
strcmp(OSMO_STRINGIFY_VAL(EMPTY_STR), osmo_quote_cstr_c(ctx, EMPTY_STR, -1)) == 0
strcmp("NULL", osmo_quote_cstr_c(ctx, NULL, -1)) == 0

Testing integer square-root

osmo_sockaddr_to_str_and_uint_test
[0] 0.0.0.0:0 addr_len=20 --> 0.0.0.0:0 rc=7
[1] 255.255.255.255:65535 addr_len=20 --> 255.255.255.255:65535 rc=15
[2] 234.23.42.123:1234 addr_len=20 --> 234.23.42.123:1234 rc=13
[3] 234.23.42.123:1234 addr_len=10 --> 234.23.42:1234 rc=13
[4] 234.23.42.123:1234 (omit port) addr_len=20 --> 234.23.42.123:0 rc=13
[5] 234.23.42.123:1234 (omit addr) addr_len=0 --> :1234 rc=0
[6] 234.23.42.123:1234 addr_len=0 --> :1234 rc=13
[7] 234.23.42.123:1234 (omit addr) (omit port) addr_len=0 --> :0 rc=0

osmo_str_tolowupper_test
osmo_str_tolower("abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ!@#$%^&*()")
               = "abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz!@#$%^&*()"
osmo_str_toupper("abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ!@#$%^&*()")
               = "ABCDEFGHIJKLMNOPQRSTUVWXYZABCDEFGHIJKLMNOPQRSTUVWXYZ!@#$%^&*()"
osmo_str_tolower_buf(99, "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ!@#$%^&*()")
                   = 62, "abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz!@#$%^&*()"
osmo_str_tolower_buf(99, "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ!@#$%^&*()", in-place)
                   = 62, "abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz!@#$%^&*()"
osmo_str_toupper_buf(99, "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ!@#$%^&*()")
                   = 62, "ABCDEFGHIJKLMNOPQRSTUVWXYZABCDEFGHIJKLMNOPQRSTUVWXYZ!@#$%^&*()"
osmo_str_toupper_buf(99, "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ!@#$%^&*()", in-place)
                   = 62, "ABCDEFGHIJKLMNOPQRSTUVWXYZABCDEFGHIJKLMNOPQRSTUVWXYZ!@#$%^&*()"
osmo_str_tolower_buf(0, "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ!@#$%^&*()")
                   = 62, "Unset"
osmo_str_tolower_buf(0, "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ!@#$%^&*()", in-place)
                   = 0, "Unset"
osmo_str_toupper_buf(0, "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ!@#$%^&*()")
                   = 62, "Unset"
osmo_str_toupper_buf(0, "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ!@#$%^&*()", in-place)
                   = 0, "Unset"
osmo_str_tolower_buf(1, "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ!@#$%^&*()")
                   = 62, ""
osmo_str_tolower_buf(1, "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ!@#$%^&*()", in-place)
                   = 0, ""
osmo_str_toupper_buf(1, "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ!@#$%^&*()")
                   = 62, ""
osmo_str_toupper_buf(1, "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ!@#$%^&*()", in-place)
                   = 0, ""
osmo_str_tolower_buf(2, "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ!@#$%^&*()")
                   = 62, "a"
osmo_str_tolower_buf(2, "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ!@#$%^&*()", in-place)
                   = 1, "a"
osmo_str_toupper_buf(2, "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ!@#$%^&*()")
                   = 62, "A"
osmo_str_toupper_buf(2, "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ!@#$%^&*()", in-place)
                   = 1, "A"
osmo_str_tolower_buf(28, "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ!@#$%^&*()")
                   = 62, "abcdefghijklmnopqrstuvwxyza"
osmo_str_tolower_buf(28, "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ!@#$%^&*()", in-place)
                   = 27, "abcdefghijklmnopqrstuvwxyza"
osmo_str_toupper_buf(28, "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ!@#$%^&*()")
                   = 62, "ABCDEFGHIJKLMNOPQRSTUVWXYZA"
osmo_str_toupper_buf(28, "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ!@#$%^&*()", in-place)
                   = 27, "ABCDEFGHIJKLMNOPQRSTUVWXYZA"

strbuf_test
OSMO_STRBUF_APPEND():
     The answer is 42 
would have needed 423470 bytes

OSMO_STRBUF_PRINTF():
1: (need 42 chars, had size=23) T minus 10 9 8 7 6 5 4
2: (need 42 chars, had size=42) T minus 10 9 8 7 6 5 4 3 2 1 ... Lift off
3: (need 42 chars, had size=42+1) T minus 10 9 8 7 6 5 4 3 2 1 ... Lift off!
4: (need 42 chars, had size=0) 0x2b 0x2b 0x2b...
5: (need 42 chars, had NULL buffer)

cascade:
(need 134 chars)
T minus 10 9 8 7 6 5 4 3 2 1 ... Lift off! -- T minus 10 9 8 7 6 5 4 3 2 1 ... Lift off! -- T minus 10 9 8 7 6 5 4 3 2 1 ... Lift off!
(need 134 chars, had size=63) T minus 10 9 8 7 6 5 4 3 2 1 ... Lift off! -- T minus 10 9 8 7

strbuf_test_nolen
20: 0001011100101010 (need=16)
more: 0001011100101010000 (need=19)
10: 000101110 (need=9)

startswith_test()
osmo_str_startswith(NULL, NULL) == true
osmo_str_startswith("", NULL) == true
osmo_str_startswith(NULL, "") == true
osmo_str_startswith("", "") == true
osmo_str_startswith("abc", NULL) == true
osmo_str_startswith("abc", "") == true
osmo_str_startswith(NULL, "abc") == false
osmo_str_startswith("", "abc") == false
osmo_str_startswith("abc", "a") == true
osmo_str_startswith("abc", "ab") == true
osmo_str_startswith("abc", "abc") == true
osmo_str_startswith("abc", "abcd") == false
osmo_str_startswith("abc", "xyz") == false

name_c_impl_test
 0: "test"
   OSMO_NAME_C_IMPL(10, "ERROR") -> "test"  allocated 1  10 bytes, name 'foo_name_c'
      OSMO_NAME_C_IMPL(10, NULL) -> "test"  allocated 1  10 bytes, name 'foo_name_c_null'
    OSMO_NAME_C_IMPL(0, "ERROR") -> "test"  allocated 1  5 bytes, name 'foo_name_c_zero'
       OSMO_NAME_C_IMPL(0, NULL) -> "test"  allocated 1  5 bytes, name 'foo_name_c_zero_null'
 1: "longer than 10 chars"
   OSMO_NAME_C_IMPL(10, "ERROR") -> "longer than 10 chars"  allocated 1  21 bytes, name 'foo_name_c'
      OSMO_NAME_C_IMPL(10, NULL) -> "longer than 10 chars"  allocated 1  21 bytes, name 'foo_name_c_null'
    OSMO_NAME_C_IMPL(0, "ERROR") -> "longer than 10 chars"  allocated 1  21 bytes, name 'foo_name_c_zero'
       OSMO_NAME_C_IMPL(0, NULL) -> "longer than 10 chars"  allocated 1  21 bytes, name 'foo_name_c_zero_null'
 2: NULL
   OSMO_NAME_C_IMPL(10, "ERROR") -> "ERROR"  allocated 1  6 bytes, name 'foo_name_c'
      OSMO_NAME_C_IMPL(10, NULL) -> NULL  allocated 0
    OSMO_NAME_C_IMPL(0, "ERROR") -> "ERROR"  allocated 1  6 bytes, name 'foo_name_c_zero'
       OSMO_NAME_C_IMPL(0, NULL) -> NULL  allocated 0

osmo_print_n_test()
"foo=bar" token_len=3 buf_size=100 -> token="foo" rc=3
"foo" token_len=10 buf_size=100 -> token="foo" rc=3
"foo" token_len=3 buf_size=100 -> token="foo" rc=3
NULL token_len=10 buf_size=100 -> token="" rc=0
"" token_len=10 buf_size=100 -> token="" rc=0
"foo=bar" token_len=0 buf_size=100 -> token="" rc=0
"foo=bar" token_len=3 buf_size=2 -> token="f" rc=3
"foo" token_len=10 buf_size=2 -> token="f" rc=3
"foo" token_len=3 buf_size=2 -> token="f" rc=3
NULL token_len=10 buf_size=2 -> token="" rc=0
"" token_len=10 buf_size=2 -> token="" rc=0
"foo=bar" token_len=0 buf_size=2 -> token="" rc=0
"foo=bar" token_len=3 buf_size=1 -> token="" rc=3
"foo" token_len=10 buf_size=1 -> token="" rc=3
"foo" token_len=3 buf_size=1 -> token="" rc=3
NULL token_len=10 buf_size=1 -> token="" rc=0
"" token_len=10 buf_size=1 -> token="" rc=0
"foo=bar" token_len=0 buf_size=1 -> token="" rc=0
"foo=bar" token_len=3 buf_size=0 -> token="unchanged" rc=3
"foo" token_len=10 buf_size=0 -> token="unchanged" rc=3
"foo" token_len=3 buf_size=0 -> token="unchanged" rc=3
NULL token_len=10 buf_size=0 -> token="unchanged" rc=0
"" token_len=10 buf_size=0 -> token="unchanged" rc=0
"foo=bar" token_len=0 buf_size=0 -> token="unchanged" rc=0

osmo_strnchr_test()
osmo_strnchr("foo=bar", 8, '=') -> 3
osmo_strnchr("foo=bar", 4, '=') -> 3
osmo_strnchr("foo=bar", 3, '=') -> -1
osmo_strnchr("foo=bar", 0, '=') -> -1
osmo_strnchr("foo", 9, '=') -> -1
osmo_strnchr("foo", 9, '\0') -> 3