648db22b |
1 | |
2 | datagen > file |
3 | |
4 | # Compress with various levels and ensure that their sizes are ordered |
5 | zstd --fast=10 file -o file-f10.zst -q |
6 | zstd --fast=1 file -o file-f1.zst -q |
7 | zstd -1 file -o file-1.zst -q |
8 | zstd -19 file -o file-19.zst -q |
9 | |
10 | zstd -t file-f10.zst file-f1.zst file-1.zst file-19.zst |
11 | 4 files decompressed : 262148 bytes total |
12 | |
13 | cmp_size -lt file-19.zst file-1.zst |
14 | cmp_size -lt file-1.zst file-f1.zst |
15 | cmp_size -lt file-f1.zst file-f10.zst |
16 | |
17 | # Test default levels |
18 | zstd --fast file -f -q |
19 | cmp file.zst file-f1.zst || die "--fast is not level -1" |
20 | |
21 | zstd -0 file -o file-0.zst -q |
22 | zstd -f file -q |
23 | cmp file.zst file-0.zst || die "Level 0 is not the default level" |
24 | |
25 | # Test level clamping |
26 | zstd -99 file -o file-99.zst -q |
27 | cmp file-19.zst file-99.zst || die "Level 99 is clamped to 19" |
28 | zstd --fast=200000 file -c | zstd -t |
29 | /*stdin*\ : 65537 bytes |
30 | |
31 | zstd -5000000000 -f file && die "Level too large, must fail" ||: |
32 | error: numeric value overflows 32-bit unsigned int |
33 | zstd --fast=5000000000 -f file && die "Level too large, must fail" ||: |
34 | error: numeric value overflows 32-bit unsigned int |
35 | |
36 | # Test setting a level through the environment variable |
37 | ZSTD_CLEVEL=-10 zstd file -o file-f10-env.zst -q |
38 | ZSTD_CLEVEL=1 zstd file -o file-1-env.zst -q |
39 | ZSTD_CLEVEL=+19 zstd file -o file-19-env.zst -q |
40 | ZSTD_CLEVEL=+99 zstd file -o file-99-env.zst -q |
41 | |
42 | cmp file-f10.zst file-f10-env.zst || die "Environment variable failed to set level" |
43 | cmp file-1.zst file-1-env.zst || die "Environment variable failed to set level" |
44 | cmp file-19.zst file-19-env.zst || die "Environment variable failed to set level" |
45 | cmp file-99.zst file-99-env.zst || die "Environment variable failed to set level" |
46 | |
47 | # Test invalid environment clevel is the default level |
48 | zstd -f file -q |
49 | ZSTD_CLEVEL=- zstd -f file -o file-env.zst -q ; cmp file.zst file-env.zst |
50 | Ignore environment variable setting ZSTD_CLEVEL=-: not a valid integer value |
51 | ZSTD_CLEVEL=+ zstd -f file -o file-env.zst -q ; cmp file.zst file-env.zst |
52 | Ignore environment variable setting ZSTD_CLEVEL=+: not a valid integer value |
53 | ZSTD_CLEVEL=a zstd -f file -o file-env.zst -q ; cmp file.zst file-env.zst |
54 | Ignore environment variable setting ZSTD_CLEVEL=a: not a valid integer value |
55 | ZSTD_CLEVEL=-a zstd -f file -o file-env.zst -q ; cmp file.zst file-env.zst |
56 | Ignore environment variable setting ZSTD_CLEVEL=-a: not a valid integer value |
57 | ZSTD_CLEVEL=+a zstd -f file -o file-env.zst -q ; cmp file.zst file-env.zst |
58 | Ignore environment variable setting ZSTD_CLEVEL=+a: not a valid integer value |
59 | ZSTD_CLEVEL=3a7 zstd -f file -o file-env.zst -q ; cmp file.zst file-env.zst |
60 | Ignore environment variable setting ZSTD_CLEVEL=3a7: not a valid integer value |
61 | ZSTD_CLEVEL=5000000000 zstd -f file -o file-env.zst -q ; cmp file.zst file-env.zst |
62 | Ignore environment variable setting ZSTD_CLEVEL=5000000000: numeric value too large |
63 | |
64 | # Test environment clevel is overridden by command line |
65 | ZSTD_CLEVEL=10 zstd -f file -1 -o file-1-env.zst -q |
66 | ZSTD_CLEVEL=10 zstd -f file --fast=1 -o file-f1-env.zst -q |
67 | |
68 | cmp file-1.zst file-1-env.zst || die "Environment variable not overridden" |
69 | cmp file-f1.zst file-f1-env.zst || die "Environment variable not overridden" |