From 17b16223f39c983a5d0eba8d3ab656a8d123b621 Mon Sep 17 00:00:00 2001
From: Thiago Jung Bauermann <bauerman@linux.vnet.ibm.com>
Date: Mon, 11 May 2015 17:18:59 +0200
Subject: [PATCH] bzcat.tests: Run both .gz and .bz2 tests, and add .Z tests

Signed-off-by: Thiago Jung Bauermann <bauerman@linux.vnet.ibm.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
---
 testsuite/bzcat.tests | 74 +++++++++++++++++++++++++++++--------------
 1 file changed, 50 insertions(+), 24 deletions(-)

diff --git a/testsuite/bzcat.tests b/testsuite/bzcat.tests
index 1c1fd6563..9a1c28425 100755
--- a/testsuite/bzcat.tests
+++ b/testsuite/bzcat.tests
@@ -2,8 +2,6 @@
 
 FAILCOUNT=0
 
-ext=bz2
-
 bb="busybox "
 
 unset LC_ALL
@@ -11,6 +9,11 @@ unset LC_MESSAGES
 unset LANG
 unset LANGUAGE
 
+hello_Z() {
+    # Compressed "HELLO\n"
+    $ECHO -ne "\x1f\x9d\x90\x48\x8a\x30\x61\xf2\x44\x01"
+}
+
 hello_gz() {
     # Gzipped "HELLO\n"
     #_________________________ vvv vvv vvv vvv - mtime
@@ -25,32 +28,34 @@ hello_bz2() {
     $ECHO -ne "\x17\x72\x45\x38\x50\x90\x5b\xb8\xe8\xa3"
 }
 
-prep() {
-    rm -f t*
-    hello_$ext >t1.$ext
-    hello_$ext >t2.$ext
-}
+for ext in gz bz2 Z
+do
+    prep() {
+	rm -f t1.$ext t2.$ext t_actual
+	hello_$ext >t1.$ext
+	hello_$ext >t2.$ext
+    }
 
-check() {
-    eval $2 >t_actual 2>&1
-    if $ECHO -ne "$expected" | cmp - t_actual; then
-	echo "PASS: $1"
-    else
-	echo "FAIL: $1"
-	FAILCOUNT=$((FAILCOUNT + 1))
-    fi
-}
+    check() {
+	eval $2 >t_actual 2>&1
+	if $ECHO -ne "$expected" | cmp - t_actual; then
+	    echo "PASS: $1"
+	else
+	    echo "FAIL: $1"
+	    FAILCOUNT=$((FAILCOUNT + 1))
+	fi
+    }
 
-mkdir testdir 2>/dev/null
-(
-cd testdir || { echo "cannot cd testdir!"; exit 1; }
+    mkdir testdir 2>/dev/null
+    (
+    cd testdir || { echo "cannot cd testdir!"; exit 1; }
 
-expected="HELLO\nok\n"
-prep; check "bzcat: dont delete src" "${bb}bzcat t2.bz2; test -f t2.bz2 && echo ok"
-
-)
-rm -rf testdir
+    expected="HELLO\nok\n"
+    prep; check "zcat: dont delete $ext src" "${bb}zcat t2.$ext; test -f t2.$ext && echo ok"
 
+    )
+    rm -rf testdir
+done
 
 
 # Copyright 2011 by Denys Vlasenko
@@ -60,6 +65,8 @@ rm -rf testdir
 
 # testing "test name" "command" "expected result" "file input" "stdin"
 
+## bzip algorithm
+
 # "input" file is bzipped file with "a\n" data
 testing "bzcat can print many files" \
 "$ECHO -ne '$hexdump' | bzcat input input; echo \$?" \
@@ -79,6 +86,25 @@ testing "bzcat can handle compressed zero-length bzip2 files" \
 "0\n" \
 "\x42\x5a\x68\x39\x17\x72\x45\x38\x50\x90\x00\x00\x00\x00" ""
 
+## compress algorithm
+
+# "input" file is compressed (.Z) file with "a\n" data
+testing "zcat can print many files" \
+"$ECHO -ne '$hexdump' | zcat input input; echo \$?" \
+"\
+a
+a
+0
+" "\
+\x1f\x9d\x90\x61\x14\x00\
+" ""
+
+# "input" file is compressed (.Z) zero byte file
+testing "zcat can handle compressed zero-length compressed (.Z) files" \
+"$ECHO -ne '$hexdump' | zcat input input; echo \$?" \
+"0\n" \
+"\x1f\x9d\x90\x00" ""
+
 
 
 exit $((FAILCOUNT <= 255 ? FAILCOUNT : 255))