xref: /PHP-8.0/ext/zlib/tests/gzencode_basic1.phpt (revision c5401854) 
1--TEST--
2Test gzencode() function : basic functionality
3--SKIPIF--
4<?php
5if (!extension_loaded("zlib")) {
6    print "skip - ZLIB extension not loaded";
7}
8?>
9--FILE--
10<?php
11/*
12 * Test basic function of gzencode
13 */
14
15include(__DIR__ . '/data.inc');
16
17echo "*** Testing gzencode() : basic functionality ***\n";
18
19// Initialise all required variables
20
21$smallstring = "A small string to compress\n";
22
23
24// Calling gzencode() with various compression levels
25
26// Compressing a big string
27for($i = -1; $i < 10; $i++) {
28    echo "-- Compression level $i --\n";
29    $output = gzencode($data, $i);
30
31    // Clear OS byte before encode
32    $output[9] = "\x00";
33
34    var_dump(md5($output));
35}
36
37// Compressing a smaller string
38for($i = -1; $i < 10; $i++) {
39    echo "-- Compression level $i --\n";
40    $output = gzencode($smallstring, $i);
41
42    // Clear OS byte before encode
43    $output[9] = "\x00";
44
45    var_dump(md5($output));
46}
47
48// Calling gzencode() with mandatory arguments
49echo "\n-- Testing with no specified compression level --\n";
50var_dump(bin2hex(gzencode($smallstring)));
51
52echo "\n-- Testing gzencode with mode specified --\n";
53var_dump(bin2hex(gzencode($smallstring, -1, FORCE_GZIP)));
54
55?>
56--EXPECTF--
57*** Testing gzencode() : basic functionality ***
58-- Compression level -1 --
59string(32) "d9ede02415ce91d21e5a94274e2b9c42"
60-- Compression level 0 --
61string(32) "bbf32d5508e5f1f4e6d42790489dae15"
62-- Compression level 1 --
63string(32) "0bfaaa7a5a57f8fb533074fca6c85eeb"
64-- Compression level 2 --
65string(32) "7ddbfed63a76c42808722b66f1c133fc"
66-- Compression level 3 --
67string(32) "ca2b85d194dfa2a4e8a162b646c99265"
68-- Compression level 4 --
69string(32) "cfe28033eaf260bc33ddc04b53d3ba39"
70-- Compression level 5 --
71string(32) "ae357fada2b515422f8bea0aa3bcc48f"
72-- Compression level 6 --
73string(32) "d9ede02415ce91d21e5a94274e2b9c42"
74-- Compression level 7 --
75string(32) "d9ede02415ce91d21e5a94274e2b9c42"
76-- Compression level 8 --
77string(32) "d9ede02415ce91d21e5a94274e2b9c42"
78-- Compression level 9 --
79string(32) "0f220a09e9895bcb3a1308d2bc99cfdf"
80-- Compression level -1 --
81string(32) "f77bd31e1e4dd11d12828fb661a08010"
82-- Compression level 0 --
83string(32) "9c5005db88490d6fe102ea2c233b2872"
84-- Compression level 1 --
85string(32) "d24ff7c4c20cef69b9c3abd603368db9"
86-- Compression level 2 --
87string(32) "f77bd31e1e4dd11d12828fb661a08010"
88-- Compression level 3 --
89string(32) "f77bd31e1e4dd11d12828fb661a08010"
90-- Compression level 4 --
91string(32) "f77bd31e1e4dd11d12828fb661a08010"
92-- Compression level 5 --
93string(32) "f77bd31e1e4dd11d12828fb661a08010"
94-- Compression level 6 --
95string(32) "f77bd31e1e4dd11d12828fb661a08010"
96-- Compression level 7 --
97string(32) "f77bd31e1e4dd11d12828fb661a08010"
98-- Compression level 8 --
99string(32) "f77bd31e1e4dd11d12828fb661a08010"
100-- Compression level 9 --
101string(32) "8849e9a1543c04b3f882b5ce20839ed2"
102
103-- Testing with no specified compression level --
104string(94) "1f8b08000000000000%c%c735428ce4dccc951282e29cacc4b5728c95748cecf2d284a2d2ee60200edc4e40b1b000000"
105
106-- Testing gzencode with mode specified --
107string(94) "1f8b08000000000000%c%c735428ce4dccc951282e29cacc4b5728c95748cecf2d284a2d2ee60200edc4e40b1b000000"
108