diff options
Diffstat (limited to '3rdparty/zstd/tests/cli-tests/compression/levels.sh')
-rwxr-xr-x | 3rdparty/zstd/tests/cli-tests/compression/levels.sh | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/3rdparty/zstd/tests/cli-tests/compression/levels.sh b/3rdparty/zstd/tests/cli-tests/compression/levels.sh new file mode 100755 index 00000000000..cc2700a3097 --- /dev/null +++ b/3rdparty/zstd/tests/cli-tests/compression/levels.sh @@ -0,0 +1,62 @@ +#!/bin/sh + +set -e +set -v + +datagen > file + +# Compress with various levels and ensure that their sizes are ordered +zstd --fast=10 file -o file-f10.zst -q +zstd --fast=1 file -o file-f1.zst -q +zstd -1 file -o file-1.zst -q +zstd -19 file -o file-19.zst -q + +zstd -t file-f10.zst file-f1.zst file-1.zst file-19.zst + +cmp_size -lt file-19.zst file-1.zst +cmp_size -lt file-1.zst file-f1.zst +cmp_size -lt file-f1.zst file-f10.zst + +# Test default levels +zstd --fast file -f -q +cmp file.zst file-f1.zst || die "--fast is not level -1" + +zstd -0 file -o file-0.zst -q +zstd -f file -q +cmp file.zst file-0.zst || die "Level 0 is not the default level" + +# Test level clamping +zstd -99 file -o file-99.zst -q +cmp file-19.zst file-99.zst || die "Level 99 is clamped to 19" +zstd --fast=200000 file -c | zstd -t + +zstd -5000000000 -f file && die "Level too large, must fail" ||: +zstd --fast=5000000000 -f file && die "Level too large, must fail" ||: + +# Test setting a level through the environment variable +ZSTD_CLEVEL=-10 zstd file -o file-f10-env.zst -q +ZSTD_CLEVEL=1 zstd file -o file-1-env.zst -q +ZSTD_CLEVEL=+19 zstd file -o file-19-env.zst -q +ZSTD_CLEVEL=+99 zstd file -o file-99-env.zst -q + +cmp file-f10.zst file-f10-env.zst || die "Environment variable failed to set level" +cmp file-1.zst file-1-env.zst || die "Environment variable failed to set level" +cmp file-19.zst file-19-env.zst || die "Environment variable failed to set level" +cmp file-99.zst file-99-env.zst || die "Environment variable failed to set level" + +# Test invalid environment clevel is the default level +zstd -f file -q +ZSTD_CLEVEL=- zstd -f file -o file-env.zst -q ; cmp file.zst file-env.zst +ZSTD_CLEVEL=+ zstd -f file -o file-env.zst -q ; cmp file.zst file-env.zst +ZSTD_CLEVEL=a zstd -f file -o file-env.zst -q ; cmp file.zst file-env.zst +ZSTD_CLEVEL=-a zstd -f file -o file-env.zst -q ; cmp file.zst file-env.zst +ZSTD_CLEVEL=+a zstd -f file -o file-env.zst -q ; cmp file.zst file-env.zst +ZSTD_CLEVEL=3a7 zstd -f file -o file-env.zst -q ; cmp file.zst file-env.zst +ZSTD_CLEVEL=5000000000 zstd -f file -o file-env.zst -q ; cmp file.zst file-env.zst + +# Test environment clevel is overridden by command line +ZSTD_CLEVEL=10 zstd -f file -1 -o file-1-env.zst -q +ZSTD_CLEVEL=10 zstd -f file --fast=1 -o file-f1-env.zst -q + +cmp file-1.zst file-1-env.zst || die "Environment variable not overridden" +cmp file-f1.zst file-f1-env.zst || die "Environment variable not overridden" |