#!/bin/sh
set -e
-set -x
+set -v
datagen > file
zstd -19 file -o file-19.zst
zstd -22 --ultra file -o file-22.zst
-zstd -t file-{f10,f1,1,19,22}.zst
+zstd -t file-f10.zst file-f1.zst file-1.zst file-19.zst file-22.zst
cmp_size -ne file-19.zst file-22.zst
cmp_size -lt file-19.zst file-1.zst
ZSTD_CLEVEL=+19 zstd file -o file-19-env.zst
ZSTD_CLEVEL=+99 zstd file -o file-99-env.zst
-cmp file-f10{,-env}.zst || die "Environment variable failed to set level"
-cmp file-1{,-env}.zst || die "Environment variable failed to set level"
-cmp file-19{,-env}.zst || die "Environment variable failed to set level"
-cmp file-99{,-env}.zst || die "Environment variable failed to set level"
+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
ZSTD_CLEVEL=10 zstd -f file -1 -o file-1-env.zst
ZSTD_CLEVEL=10 zstd -f file --fast=1 -o file-f1-env.zst
-cmp file-1{,-env}.zst || die "Environment variable not overridden"
-cmp file-f1{,-env}.zst || die "Environment variable not overridden"
+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"
-+ datagen
-+ zstd --fast=10 file -o file-f10.zst
-+ zstd --fast=1 file -o file-f1.zst
-+ zstd -1 file -o file-1.zst
-+ zstd -19 file -o file-19.zst
-+ zstd -22 --ultra file -o file-22.zst
-+ zstd -t file-f10.zst file-f1.zst file-1.zst file-19.zst file-22.zst
-+ cmp_size -ne file-19.zst file-22.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
-+ zstd --fast file -f
-+ cmp file.zst file-f1.zst
-+ zstd -0 file -o file-0.zst
-+ zstd -f file
-+ cmp file.zst file-0.zst
-+ zstd -99 file -o file-99.zst
+
+datagen > file
+
+# Compress with various levels and ensure that their sizes are ordered
+zstd --fast=10 file -o file-f10.zst
+zstd --fast=1 file -o file-f1.zst
+zstd -1 file -o file-1.zst
+zstd -19 file -o file-19.zst
+zstd -22 --ultra file -o file-22.zst
+
+zstd -t file-f10.zst file-f1.zst file-1.zst file-19.zst file-22.zst
+
+cmp_size -ne file-19.zst file-22.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
+cmp file.zst file-f1.zst || die "--fast is not level -1"
+
+zstd -0 file -o file-0.zst
+zstd -f file
+cmp file.zst file-0.zst || die "Level 0 is not the default level"
+
+# Test level clamping
+zstd -99 file -o file-99.zst
Warning : compression level higher than max, reduced to 19
-+ cmp file-19.zst file-99.zst
-+ zstd --fast=200000 file -c
-+ zstd -t
-+ zstd -5000000000 -f file
+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" ||:
error: numeric value overflows 32-bit unsigned int
-+ :
-+ zstd --fast=5000000000 -f file
+zstd --fast=5000000000 -f file && die "Level too large, must fail" ||:
error: numeric value overflows 32-bit unsigned int
-+ :
-+ ZSTD_CLEVEL=-10
-+ zstd file -o file-f10-env.zst
-+ ZSTD_CLEVEL=1
-+ zstd file -o file-1-env.zst
-+ ZSTD_CLEVEL=+19
-+ zstd file -o file-19-env.zst
-+ ZSTD_CLEVEL=+99
-+ zstd file -o file-99-env.zst
+
+# Test setting a level through the environment variable
+ZSTD_CLEVEL=-10 zstd file -o file-f10-env.zst
+ZSTD_CLEVEL=1 zstd file -o file-1-env.zst
+ZSTD_CLEVEL=+19 zstd file -o file-19-env.zst
+ZSTD_CLEVEL=+99 zstd file -o file-99-env.zst
Warning : compression level higher than max, reduced to 19
-+ cmp file-f10.zst file-f10-env.zst
-+ cmp file-1.zst file-1-env.zst
-+ cmp file-19.zst file-19-env.zst
-+ cmp file-99.zst file-99-env.zst
-+ zstd -f file
-+ ZSTD_CLEVEL=-
-+ zstd -f file -o file-env.zst
+
+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
+ZSTD_CLEVEL=- zstd -f file -o file-env.zst ; cmp file.zst file-env.zst
Ignore environment variable setting ZSTD_CLEVEL=-: not a valid integer value
-+ cmp file.zst file-env.zst
-+ ZSTD_CLEVEL=+
-+ zstd -f file -o file-env.zst
+ZSTD_CLEVEL=+ zstd -f file -o file-env.zst ; cmp file.zst file-env.zst
Ignore environment variable setting ZSTD_CLEVEL=+: not a valid integer value
-+ cmp file.zst file-env.zst
-+ ZSTD_CLEVEL=a
-+ zstd -f file -o file-env.zst
+ZSTD_CLEVEL=a zstd -f file -o file-env.zst ; cmp file.zst file-env.zst
Ignore environment variable setting ZSTD_CLEVEL=a: not a valid integer value
-+ cmp file.zst file-env.zst
-+ ZSTD_CLEVEL=-a
-+ zstd -f file -o file-env.zst
+ZSTD_CLEVEL=-a zstd -f file -o file-env.zst ; cmp file.zst file-env.zst
Ignore environment variable setting ZSTD_CLEVEL=-a: not a valid integer value
-+ cmp file.zst file-env.zst
-+ ZSTD_CLEVEL=+a
-+ zstd -f file -o file-env.zst
+ZSTD_CLEVEL=+a zstd -f file -o file-env.zst ; cmp file.zst file-env.zst
Ignore environment variable setting ZSTD_CLEVEL=+a: not a valid integer value
-+ cmp file.zst file-env.zst
-+ ZSTD_CLEVEL=3a7
-+ zstd -f file -o file-env.zst
+ZSTD_CLEVEL=3a7 zstd -f file -o file-env.zst ; cmp file.zst file-env.zst
Ignore environment variable setting ZSTD_CLEVEL=3a7: not a valid integer value
-+ cmp file.zst file-env.zst
-+ ZSTD_CLEVEL=5000000000
-+ zstd -f file -o file-env.zst
+ZSTD_CLEVEL=5000000000 zstd -f file -o file-env.zst; cmp file.zst file-env.zst
Ignore environment variable setting ZSTD_CLEVEL=5000000000: numeric value too large
-+ cmp file.zst file-env.zst
-+ ZSTD_CLEVEL=10
-+ zstd -f file -1 -o file-1-env.zst
-+ ZSTD_CLEVEL=10
-+ zstd -f file --fast=1 -o file-f1-env.zst
-+ cmp file-1.zst file-1-env.zst
-+ cmp file-f1.zst file-f1-env.zst
+
+# Test environment clevel is overridden by command line
+ZSTD_CLEVEL=10 zstd -f file -1 -o file-1-env.zst
+ZSTD_CLEVEL=10 zstd -f file --fast=1 -o file-f1-env.zst
+
+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"