ash: support for && and || in [[ expr ]]; add testsuite checks
diff --git a/shell/ash_test/ash-vars/var_bash1.tests b/shell/ash_test/ash-vars/var_bash1.tests
new file mode 100755
index 0000000..24d3c9a
--- /dev/null
+++ b/shell/ash_test/ash-vars/var_bash1.tests
@@ -0,0 +1,18 @@
+var=abcdef
+
+echo ${var:7}
+echo ${var:6}
+echo ${var:5}
+echo ${var:1}
+echo ${var:0}
+echo ${var:-1}
+
+echo ${var:1:4}
+echo ${var:0:4}
+echo ${var::4}
+echo ${var:-1:4}
+
+echo ${var:1:7}
+echo ${var:0:7}
+echo ${var::7}
+echo ${var:-1:7}