+#!/bin/sh
+
+test_description='Simple test cases for "stg redo"'
+
+. ./test-lib.sh
+
+# Ignore our own output files.
+cat > .git/info/exclude <<EOF
+/expected.txt
+EOF
+
+test_expect_success 'Initialize StGit stack with three patches' '
+ stg init &&
+ echo 000 >> a &&
+ git add a &&
+ git commit -m a &&
+ echo 111 >> a &&
+ git commit -a -m p1 &&
+ echo 222 >> a &&
+ git commit -a -m p2 &&
+ echo 333 >> a &&
+ git commit -a -m p3 &&
+ stg uncommit -n 3
+'
+
+cat > expected.txt <<EOF
+000
+111
+222
+EOF
+test_expect_success 'Pop one patch ...' '
+ stg pop &&
+ test "$(echo $(stg series))" = "+ p1 > p2 - p3" &&
+ test_cmp expected.txt a
+'
+
+cat > expected.txt <<EOF
+000
+111
+222
+333
+EOF
+test_expect_success '... undo it ...' '
+ stg undo &&
+ test "$(echo $(stg series))" = "+ p1 + p2 > p3" &&
+ test_cmp expected.txt a
+'
+
+cat > expected.txt <<EOF
+000
+111
+222
+EOF
+test_expect_success '... and redo' '
+ stg redo &&
+ test "$(echo $(stg series))" = "+ p1 > p2 - p3" &&
+ test_cmp expected.txt a
+'
+
+cat > expected.txt <<EOF
+000
+EOF
+test_expect_success 'Pop three patches ...' '
+ stg push &&
+ stg pop &&
+ stg pop &&
+ stg pop &&
+ test "$(echo $(stg series))" = "- p1 - p2 - p3" &&
+ test_cmp expected.txt a
+'
+
+cat > expected.txt <<EOF
+000
+111
+222
+333
+EOF
+test_expect_success '... undo it ...' '
+ stg undo &&
+ stg undo &&
+ stg undo &&
+ test "$(echo $(stg series))" = "+ p1 + p2 > p3" &&
+ test_cmp expected.txt a
+'
+
+cat > expected.txt <<EOF
+000
+111
+EOF
+test_expect_success '... redo the first two pops ...' '
+ stg redo -n 2 &&
+ test "$(echo $(stg series))" = "> p1 - p2 - p3" &&
+ test_cmp expected.txt a
+'
+
+cat > expected.txt <<EOF
+000
+EOF
+test_expect_success '... and the remaining one' '
+ stg redo &&
+ test "$(echo $(stg series))" = "- p1 - p2 - p3" &&
+ test_cmp expected.txt a
+'
+
+cat > expected.txt <<EOF
+000
+EOF
+test_expect_success 'Redo past end of history' '
+ command_error stg redo &&
+ test "$(echo $(stg series))" = "- p1 - p2 - p3" &&
+ test_cmp expected.txt a
+'
+
+test_done