Add "diff_files" command to mysqltest

1 files changed, 35 insertions, 0 deletions

diff --git a/mysql-test/t/mysqltest.test b/mysql-test/t/mysqltest.test
index 024b12a60e9..221ad5d5c6e 100644
--- a/mysql-test/t/mysqltest.test
+++ b/mysql-test/t/mysqltest.test
@@ -1518,6 +1518,41 @@ cat_file $MYSQLTEST_VARDIR/tmp/test_file1.tmp;
 --exec echo "cat_file non_existing_file;" | $MYSQL_TEST 2>&1
 
 # ----------------------------------------------------------------------------
+# test for diff_files
+# ----------------------------------------------------------------------------
+
+--write_file $MYSQLTEST_VARDIR/tmp/diff1.tmp
+Some data
+for diff_file command
+of mysqltest
+EOF
+
+--write_file $MYSQLTEST_VARDIR/tmp/diff2.tmp
+Some data
+for diff_file command
+of mysqltest
+EOF
+
+--write_file $MYSQLTEST_VARDIR/tmp/diff3.tmp
+Some other data
+for diff_file command
+of mysqltest
+EOF
+
+# Compare equal files
+--diff_files $MYSQLTEST_VARDIR/tmp/diff1.tmp $MYSQLTEST_VARDIR/tmp/diff2.tmp
+--diff_files $MYSQLTEST_VARDIR/tmp/diff2.tmp $MYSQLTEST_VARDIR/tmp/diff1.tmp
+
+# Compare files that differ
+--error 1
+--diff_files $MYSQLTEST_VARDIR/tmp/diff3.tmp $MYSQLTEST_VARDIR/tmp/diff2.tmp
+--error 1
+--diff_files $MYSQLTEST_VARDIR/tmp/diff1.tmp $MYSQLTEST_VARDIR/tmp/diff3.tmp
+
+# Compare equal files, again...
+--diff_files $MYSQLTEST_VARDIR/tmp/diff1.tmp $MYSQLTEST_VARDIR/tmp/diff2.tmp
+
+# ----------------------------------------------------------------------------
 # test for file_exist
 # ----------------------------------------------------------------------------
 --error 1