Tweak some tests so they work when the path to the test directory or
$HOME contains spaces.

Signed-off-by: Ron Yorston <r...@pobox.com>
---
 testsuite/grep.tests                       | 2 +-
 testsuite/printf.tests                     | 2 +-
 testsuite/pwd/pwd-prints-working-directory | 2 +-
 testsuite/sum.tests                        | 6 +++---
 testsuite/xargs/xargs-works                | 6 ++++--
 5 files changed, 10 insertions(+), 8 deletions(-)

diff --git a/testsuite/grep.tests b/testsuite/grep.tests
index ed4ba455e..bed6b451c 100755
--- a/testsuite/grep.tests
+++ b/testsuite/grep.tests
@@ -15,7 +15,7 @@
 
 testing "grep (exit with error)" "grep nonexistent 2> /dev/null ; echo \$?" \
        "1\n" "" ""
-testing "grep (exit success)" "grep grep $0 > /dev/null 2>&1 ; echo \$?" "0\n" 
\
+testing "grep (exit success)" "grep grep '$0' > /dev/null 2>&1 ; echo \$?" 
"0\n" \
        "" ""
 # Test various data sources and destinations
 
diff --git a/testsuite/printf.tests b/testsuite/printf.tests
index 9a3c87473..963ded94b 100755
--- a/testsuite/printf.tests
+++ b/testsuite/printf.tests
@@ -20,7 +20,7 @@ testing "printf produces no further output 2" \
        "" ""
 
 testing "printf repeatedly uses pattern for each argv" \
-       "${bb}printf '%s\n' foo \$HOME" \
+       "${bb}printf '%s\n' foo '$HOME'" \
        "foo\n$HOME\n" \
        "" ""
 
diff --git a/testsuite/pwd/pwd-prints-working-directory 
b/testsuite/pwd/pwd-prints-working-directory
index 971adb5a6..fc7fea7c9 100644
--- a/testsuite/pwd/pwd-prints-working-directory
+++ b/testsuite/pwd/pwd-prints-working-directory
@@ -1,4 +1,4 @@
 # shell's $PWD may leave symlinks unresolved.
 # "pwd" may be a built-in and have the same problem.
 # External pwd _can't_ have that problem (current dir on Unix is physical).
-test $(`which pwd`) = $(busybox pwd)
+test "$(`which pwd`)" = "$(busybox pwd)"
diff --git a/testsuite/sum.tests b/testsuite/sum.tests
index b9f4cbfa8..e6379349f 100755
--- a/testsuite/sum.tests
+++ b/testsuite/sum.tests
@@ -13,12 +13,12 @@
 #   test can create a file "actual" instead of writing to stdout
 
 testing "sum -r file doesn't print file's name" \
-        "sum -r $0 | grep -c $0 && echo wrongly_printed_filename || echo yes" \
+        "sum -r '$0' | grep -c '$0' && echo wrongly_printed_filename || echo 
yes" \
        "0\nyes\n" "" ""
 testing "sum -r file file does print both names" \
-        "sum -r $0 $0 | grep -c $0 && echo yes || echo 
wrongly_omitted_filename" \
+        "sum -r '$0' '$0' | grep -c '$0' && echo yes || echo 
wrongly_omitted_filename" \
        "2\nyes\n" "" ""
 testing "sum -s file does print file's name" \
-        "sum -s $0 | grep -c $0 && echo yes || echo wrongly_omitted_filename" \
+        "sum -s '$0' | grep -c '$0' && echo yes || echo 
wrongly_omitted_filename" \
        "1\nyes\n" "" ""
 exit $FAILCOUNT
diff --git a/testsuite/xargs/xargs-works b/testsuite/xargs/xargs-works
index c95869e89..a4bba7630 100644
--- a/testsuite/xargs/xargs-works
+++ b/testsuite/xargs/xargs-works
@@ -1,4 +1,6 @@
+# FEATURE: CONFIG_FEATURE_XARGS_SUPPORT_ZERO_TERM
+
 [ -n "$d" ] || d=..
-find "$d" -name \*works -type f | xargs md5sum > logfile.gnu
-find "$d" -name \*works -type f | busybox xargs md5sum > logfile.bb
+find "$d" -name \*works -type f -print0 | xargs -0 md5sum > logfile.gnu
+find "$d" -name \*works -type f -print0 | busybox xargs -0 md5sum > logfile.bb
 diff -u logfile.gnu logfile.bb
-- 
2.14.3

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