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