From 8b7cb8893c99f05135a480de66e11bd2fe0033f1 Mon Sep 17 00:00:00 2001
From: Fangrui Song <i@maskray.me>
Date: Fri, 15 Sep 2017 15:11:38 -0700
Subject: [PATCH] Add wen test (#954)

---
 README.md   |  2 +-
 t/cmd_write | 31 ++++++++++++++++++++++++++++++-
 2 files changed, 31 insertions(+), 2 deletions(-)

diff --git a/README.md b/README.md
index d31a938c..38de35fc 100644
--- a/README.md
+++ b/README.md
@@ -66,7 +66,7 @@ run_tests.sh exits with the following exit codes:
 Reporting Radare2 Bugs
 ----------------------
 
-Please to not post Radare2 bugs on the r2-regressions github tracker. Instead
+Please do not post Radare2 bugs on the r2-regressions github tracker. Instead
 use the official r2 tracker:
 
 https://github.com/radare/radare2/issues?state=open
diff --git a/t/cmd_write b/t/cmd_write
index 682d188a..b564d7f7 100755
--- a/t/cmd_write
+++ b/t/cmd_write
@@ -232,7 +232,6 @@ e.src.null=true
 rm -rf $TMPDIR/
 run_test
 
-## "wen" - insert null bytes
 NAME='wx pcache'
 FILE=../bins/pe/b.exe
 BROKEN=
@@ -271,3 +270,33 @@ EXPECT='a/b
 0|1
 '
 run_test
+
+## "wen" - insert null bytes
+
+NAME='wen'
+FILE=malloc://4
+ARGS=
+CMDS='
+wx 01020304
+wen 2 @ 1
+wen 1 @ 6
+p8 7
+'
+EXPECT='01000002030400
+'
+run_test
+
+NAME='wen should insert X null bytes even if io.cache=false'
+FILE=malloc://8
+ARGS=
+EXPECT='216607
+216608
+'
+CMDS='
+cp ../bins/pe/b.exe .b.exe
+o+ .b.exe
+r
+s 0x200
+wen 1
+r
+rm .b.exe