[StGIT PATCH 4/6] Test the new DAG appliedness machinery

@@ -0,0 +1,60 @@
+#!/bin/sh
+# Copyright (c) 2007 Karl Hasselström
+test_description='Test git/StGIT interoperability'
+. ./test-lib.sh
+
+test_expect_success \
+    'Create some git-only history' '
+    echo foo > foo.txt &&
+    git add foo.txt &&
+    git commit -a -m foo &&
+    git tag foo-tag &&
+    for i in 0 1 2 3 4; do
+        echo foo$i >> foo.txt &&
+        git commit -a -m foo$i;
+    done
+'
+
+test_expect_success \
+    'Initialize the StGIT repository' '
+    stg init
+'
+
+test_expect_success \
+    'Create five patches' '
+    for i in 0 1 2 3 4; do
+        stg new p$i -m p$i;
+    done &&
+    [ "$(echo $(stg applied))" = "p0 p1 p2 p3 p4" ] &&
+    [ "$(echo $(stg unapplied))" = "" ]
+'
+
+test_expect_success \
+    'Pop two patches with git-reset' '
+    git reset --hard HEAD~2 &&
+    [ "$(echo $(stg applied))" = "p0 p1 p2" ] &&
+    [ "$(echo $(stg unapplied))" = "p3 p4" ]
+'
+
+test_expect_success \
+    'Create a new patch' '
+    stg new q0 -m q0 &&
+    [ "$(echo $(stg applied))" = "p0 p1 p2 q0" ] &&
+    [ "$(echo $(stg unapplied))" = "p3 p4" ]
+'
+
+test_expect_success \
+    'Go to an unapplied patch with with git-reset' '
+    git reset --hard $(stg id p3) &&
+    [ "$(echo $(stg applied))" = "p0 p1 p2 p3" ] &&
+    [ "$(echo $(stg unapplied))" = "q0 p4" ]
+'
+
+test_expect_success \
+    'Go back to below the stack base with git-reset' '
+    git reset --hard foo-tag &&
+    [ "$(echo $(stg applied))" = "" ] &&
+    [ "$(echo $(stg unapplied))" = "p0 p1 p2 q0 p3 p4" ]
+'
+
+test_done