mkfs_ext2: more work. added test script

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

util-linux/mkfs_ext2_test.sh

@@ -0,0 +1,54 @@
+#!/bin/sh
+
+test_mke2fs() {
+    echo Testing $kilobytes
+
+    >image_std
+    dd seek=$((kilobytes-1)) bs=1K count=1 </dev/zero of=image_std >/dev/null 2>&1 || exit 1
+    /usr/bin/mke2fs -F image_std $kilobytes >image_std.raw_out 2>&1 || return 1
+    cat image_std.raw_out \
+    | grep -v '^mke2fs ' \
+    | grep -v '^Maximum filesystem' \
+    | grep -v '^warning: .* blocks unused' \
+    | grep -v '^Writing inode tables' \
+    | grep -v '^Writing superblocks and filesystem accounting information' \
+    | grep -v '^This filesystem will be automatically checked every' \
+    | grep -v '^180 days, whichever comes first' \
+    | sed 's/block groups/block group/' \
+    | sed 's/ *$//' \
+    | sed 's/blocks (.*%) reserved/blocks reserved/' \
+    | grep -v '^$' \
+    >image_std.out
+
+    >image_bb
+    dd seek=$((kilobytes-1)) bs=1K count=1 </dev/zero of=image_bb >/dev/null 2>&1 || exit 1
+    ./busybox mke2fs -F image_bb $kilobytes >image_bb.raw_out 2>&1 || return 1
+    cat image_bb.raw_out \
+    | grep -v '^mke2fs ' \
+    | grep -v '^Maximum filesystem' \
+    | grep -v '^warning: .* blocks unused' \
+    | grep -v '^Writing inode tables' \
+    | grep -v '^Writing superblocks and filesystem accounting information' \
+    | grep -v '^This filesystem will be automatically checked every' \
+    | grep -v '^180 days, whichever comes first' \
+    | sed 's/block groups/block group/' \
+    | sed 's/ *$//' \
+    | sed 's/blocks (.*%) reserved/blocks reserved/' \
+    | grep -v '^$' \
+    >image_bb.out
+
+    diff -ua image_bb.out image_std.out >image.out.diff || {
+	cat image.out.diff
+	return 1
+    }
+}
+
+kilobytes=24908 test_mke2fs
+kilobytes=81940 test_mke2fs
+kilobytes=98392 test_mke2fs
+exit
+
+while true; do
+    kilobytes=$(( (RANDOM*RANDOM) % 100000 + 100))
+    test_mke2fs || exit 1
+done