1#!/bin/sh 2 3set -e 4set -v 5 6datagen > file 7 8# Retrieve the program's version information 9# Note: command echoing differs between macos and linux, so it's disabled below 10set +v 11version_info=$(zstd -V) 12set -v 13 14# Compress with various levels and ensure that their sizes are ordered 15zstd --fast=10 file -o file-f10.zst -q 16zstd --fast=1 file -o file-f1.zst -q 17zstd -1 file -o file-1.zst -q 18zstd -19 file -o file-19.zst -q 19if echo "$version_info" | grep -q '32-bit'; then 20 # skip --max test: not enough address space 21 cp file-19.zst file-max.zst 22else 23 zstd --max file -o file-max.zst -q 24fi 25 26zstd -t file-f10.zst file-f1.zst file-1.zst file-19.zst file-max.zst 27 28cmp_size -le file-max.zst file-19.zst 29cmp_size -lt file-19.zst file-1.zst 30cmp_size -lt file-1.zst file-f1.zst 31cmp_size -lt file-f1.zst file-f10.zst 32 33# Test default levels 34zstd --fast file -f -q 35cmp file.zst file-f1.zst || die "--fast is not level -1" 36 37zstd -0 file -o file-0.zst -q 38zstd -f file -q 39cmp file.zst file-0.zst || die "Level 0 is not the default level" 40 41# Test level clamping 42zstd -99 file -o file-99.zst -q 43cmp file-19.zst file-99.zst || die "Level 99 is clamped to 19" 44zstd --fast=200000 file -c | zstd -t 45 46zstd -5000000000 -f file && die "Level too large, must fail" ||: 47zstd --fast=5000000000 -f file && die "Level too large, must fail" ||: 48 49# Test setting a level through the environment variable 50ZSTD_CLEVEL=-10 zstd file -o file-f10-env.zst -q 51ZSTD_CLEVEL=1 zstd file -o file-1-env.zst -q 52ZSTD_CLEVEL=+19 zstd file -o file-19-env.zst -q 53ZSTD_CLEVEL=+99 zstd file -o file-99-env.zst -q 54 55cmp file-f10.zst file-f10-env.zst || die "Environment variable failed to set level" 56cmp file-1.zst file-1-env.zst || die "Environment variable failed to set level" 57cmp file-19.zst file-19-env.zst || die "Environment variable failed to set level" 58cmp file-99.zst file-99-env.zst || die "Environment variable failed to set level" 59 60# Test invalid environment clevel is the default level 61zstd -f file -q 62ZSTD_CLEVEL=- zstd -f file -o file-env.zst -q ; cmp file.zst file-env.zst 63ZSTD_CLEVEL=+ zstd -f file -o file-env.zst -q ; cmp file.zst file-env.zst 64ZSTD_CLEVEL=a zstd -f file -o file-env.zst -q ; cmp file.zst file-env.zst 65ZSTD_CLEVEL=-a zstd -f file -o file-env.zst -q ; cmp file.zst file-env.zst 66ZSTD_CLEVEL=+a zstd -f file -o file-env.zst -q ; cmp file.zst file-env.zst 67ZSTD_CLEVEL=3a7 zstd -f file -o file-env.zst -q ; cmp file.zst file-env.zst 68ZSTD_CLEVEL=5000000000 zstd -f file -o file-env.zst -q ; cmp file.zst file-env.zst 69 70# Test environment clevel is overridden by command line 71ZSTD_CLEVEL=10 zstd -f file -1 -o file-1-env.zst -q 72ZSTD_CLEVEL=10 zstd -f file --fast=1 -o file-f1-env.zst -q 73 74cmp file-1.zst file-1-env.zst || die "Environment variable not overridden" 75cmp file-f1.zst file-f1-env.zst || die "Environment variable not overridden" 76