2 files changed, 51 insertions, 0 deletions

diff --git a/testsuite/sed.tests b/testsuite/sed.tests
index 2b78c9b12..e62b839f7 100755
--- a/testsuite/sed.tests
+++ b/testsuite/sed.tests
@@ -405,6 +405,15 @@ testing "sed ^ OR not^" \
         "" \
         "abca\n"
 
+# This only works if file name is exactly the same.
+# For example, w FILE; w ./FILE won't work.
+testing "sed understands duplicate file name" \
+        "sed -n -e '/a/w sed.output' -e '/c/w sed.output' 2>&1 && cat sed.output && rm sed.output" \
+        "a\nc\n" \
+        "" \
+        "a\nb\nc\n"
+
+
 # testing "description" "commands" "result" "infile" "stdin"
 
 exit $FAILCOUNT
diff --git a/testsuite/sort.tests b/testsuite/sort.tests
index c51a8e475..ff33e21b4 100755
--- a/testsuite/sort.tests
+++ b/testsuite/sort.tests
@@ -175,6 +175,48 @@ testing "sort file in place" \
 111
 " ""
 
+testing "sort -sr (stable and reverse) does NOT reverse 'stable' ordering" \
+"sort -k2 -r -s input" "\
+b 2
+d 2
+a 1
+c 1
+" "\
+a 1
+b 2
+c 1
+d 2
+" ""
+
+testing "sort -h" \
+"sort -h input" "\
+3e
+4m
+5y
+1023
+1024
+1025
+3000
+2K
+3k
+1M
+2E
+1Y
+" "\
+1Y
+5y
+1M
+2E
+3k
+3e
+2K
+4m
+1023
+1025
+3000
+1024
+" ""
+
 # testing "description" "command(s)" "result" "infile" "stdin"
 
 exit $FAILCOUNT