From b4541f895bf3581c8df82f529278fa4ac83440e0 Mon Sep 17 00:00:00 2001
From: Sam Hocevar <sam@hocevar.net>
Date: Wed, 16 Jul 2008 17:23:24 +0000
Subject: [PATCH]   * Split the test suite into the RNG test and the Unix utils
 test.

---
 test/Makefile.am             |  4 +-
 test/rng                     | 77 ++++++++++++++++++++++++++++++++++++
 test/{testsuite.sh => utils} | 57 +-------------------------
 3 files changed, 80 insertions(+), 58 deletions(-)
 create mode 100755 test/rng
 rename test/{testsuite.sh => utils} (68%)

diff --git a/test/Makefile.am b/test/Makefile.am
index 9bbd7c5..2d873cb 100644
--- a/test/Makefile.am
+++ b/test/Makefile.am
@@ -1,9 +1,9 @@
 
-EXTRA_DIST = testsuite.sh file-00 file-ff file-random file-text
+EXTRA_DIST = rng utils file-00 file-ff file-random file-text
 
 noinst_PROGRAMS = zzcat zzero
 
-TESTS = testsuite.sh
+TESTS = rng utils
 
 zzcat_SOURCES = zzcat.c
 
diff --git a/test/rng b/test/rng
new file mode 100755
index 0000000..54ac2c6
--- /dev/null
+++ b/test/rng
@@ -0,0 +1,77 @@
+#!/bin/sh
+
+set -e
+
+checkflip()
+{
+    r=$1
+    expect=$2
+    s2=$seed
+    mib=20
+    echo "*** $mib MiB of zeroes, ratio $r ***"
+    echo " expected ....... $expect"
+    rmax=-1
+    rmin=-1
+    rtot=0
+    for x in 0 1 2 3 4 5 6 7 8 9; do
+        ret=`dd if=/dev/zero bs=1048576 count=$mib 2>/dev/null | "$ZZUF" -s $s2 -r $r | "$ZZERO"`
+        if [ "$rmax" = -1 -o "$ret" -gt "$rmax" ]; then rmax=$ret; fi
+        if [ "$rmin" = -1 -o "$ret" -lt "$rmin" ]; then rmin=$ret; fi
+        rtot=`expr $rtot + $ret || true`
+        echo " try $x .......... $ret"
+        s2=`expr $s2 + 1`
+    done
+    rmean=`expr '(' $rtot + 5 ')' / 10 || true`
+    delta=`expr $rmean - $expect || true`
+    if [ "$delta" -gt -5 -a "$delta" -lt 5 ]; then
+        result="ok"
+    elif [ $(($rmean * 8)) -lt $(($expect * 7)) \
+               -o $(($rmean * 7)) -gt $(($expect * 8)) ]; then
+        result="FAILED"
+        FAILED=$(($FAILED + 1))
+    else
+        result="ok"
+    fi
+    TESTED=$(($TESTED + 1))
+    echo " min/avg/max $rmin/$rmean/$rmax .......... $result"
+}
+
+DIR="$(dirname "$0")"
+ZZUF="$DIR/../src/zzuf"
+ZZERO="$DIR/zzero"
+if [ ! -f "$ZZERO" ]; then
+  echo "error: test/zzero is missing"
+  exit 1
+fi
+FAILED=0
+TESTED=0
+
+if [ -z "$1" ]; then
+  seed=$(date | $ZZUF -m 2>/dev/null | cut -f2 -d' ' | tr -d abcdef | cut -b1-8)
+else
+  seed="$1"
+fi
+
+echo "*** running zzuf RNG test suite with seed $seed ***"
+
+# if X flips are performed on N bits set to 0, the average number of bits
+# set to 1 is: N / 2 * (1 - pow(1 - 2 / N, X)
+checkflip 0.000000001 0
+checkflip 0.00000001  1
+checkflip 0.0000001  16
+checkflip 0.000001  167
+checkflip 0.00001  1677
+checkflip 0.0001  16775
+checkflip 0.001  167604
+checkflip 0.01  1661055
+checkflip 0.1  15205967
+
+echo ""
+if [ "$FAILED" != 0 ]; then
+    echo "*** $FAILED tests failed out of $TESTED ***"
+    exit 1
+fi
+echo "*** all $TESTED tests OK ***"
+
+exit 0
+
diff --git a/test/testsuite.sh b/test/utils
similarity index 68%
rename from test/testsuite.sh
rename to test/utils
index da5333a..a80411e 100755
--- a/test/testsuite.sh
+++ b/test/utils
@@ -2,40 +2,6 @@
 
 set -e
 
-checkflip()
-{
-    r=$1
-    expect=$2
-    s2=$seed
-    mib=20
-    echo "*** $mib MiB of zeroes, ratio $r ***"
-    echo " expected ....... $expect"
-    rmax=-1
-    rmin=-1
-    rtot=0
-    for x in 0 1 2 3 4 5 6 7 8 9; do
-        ret=`dd if=/dev/zero bs=1048576 count=$mib 2>/dev/null | "$ZZUF" -s $s2 -r $r | "$ZZERO"`
-        if [ "$rmax" = -1 -o "$ret" -gt "$rmax" ]; then rmax=$ret; fi
-        if [ "$rmin" = -1 -o "$ret" -lt "$rmin" ]; then rmin=$ret; fi
-        rtot=`expr $rtot + $ret || true`
-        echo " try $x .......... $ret"
-        s2=`expr $s2 + 1`
-    done
-    rmean=`expr '(' $rtot + 5 ')' / 10 || true`
-    delta=`expr $rmean - $expect || true`
-    if [ "$delta" -gt -5 -a "$delta" -lt 5 ]; then
-        result="ok"
-    elif [ $(($rmean * 8)) -lt $(($expect * 7)) \
-               -o $(($rmean * 7)) -gt $(($expect * 8)) ]; then
-        result="FAILED"
-        FAILED=$(($FAILED + 1))
-    else
-        result="ok"
-    fi
-    TESTED=$(($TESTED + 1))
-    echo " min/avg/max $rmin/$rmean/$rmax .......... $result"
-}
-
 checkutils()
 {
     r=$1
@@ -125,11 +91,6 @@ if [ ! -f "$ZZCAT" ]; then
   echo "error: test/zzcat is missing"
   exit 1
 fi
-ZZERO="$DIR/zzero"
-if [ ! -f "$ZZERO" ]; then
-  echo "error: test/zzero is missing"
-  exit 1
-fi
 if file /bin/cat | grep -q 'statically linked'; then
   STATIC_CAT=1
 fi
@@ -145,24 +106,8 @@ else
   seed="$1"
 fi
 
-echo "*** running zzuf test suite with seed $seed ***"
+echo "*** running zzuf utils test suite with seed $seed ***"
 
-echo ""
-echo "*** check #1: random number generator ***"
-# if X flips are performed on N bits set to 0, the average number of bits
-# set to 1 is: N / 2 * (1 - pow(1 - 2 / N, X)
-checkflip 0.000000001 0
-checkflip 0.00000001  1
-checkflip 0.0000001  16
-checkflip 0.000001  167
-checkflip 0.00001  1677
-checkflip 0.0001  16775
-checkflip 0.001  167604
-checkflip 0.01  1661055
-checkflip 0.1  15205967
-
-echo ""
-echo "*** check #2: libc functions coverage ***"
 checkutils 0.0
 checkutils 0.000000001
 checkutils 0.0000001