--- /dev/null
+#!/bin/sh
+
+test_description='Test "stg sink"'
+
+. ./test-lib.sh
+
+test_expect_success 'Initialize StGit stack' '
+ echo 000 >> x &&
+ git add x &&
+ git commit -m initial &&
+ echo 000 >> y &&
+ git add y &&
+ git commit -m y &&
+ stg init &&
+ stg uncommit &&
+ stg pop
+'
+
+test_expect_success 'sink without applied patches' '
+ ! stg sink
+'
+
+test_expect_failure 'sink a specific patch without applied patches' '
+ stg sink y &&
+ test $(echo $(stg applied)) = "y"
+'
+
+test_done