5 files changed, 19 insertions, 0 deletions
diff --git a/tests/a--b,a--c,b--d,c--d/a.do b/tests/a--b,a--c,b--d,c--d/a.do
new file mode 100644
index 0000000..2a1b779
--- /dev/null
+++ b/tests/a--b,a--c,b--d,c--d/a.do
@@ -0,0 +1,3 @@
+redo-ifchange b c
+
+echo -n "a" | cat - b c > $3
diff --git a/tests/a--b,a--c,b--d,c--d/all.do b/tests/a--b,a--c,b--d,c--d/all.do
new file mode 100644
index 0000000..db431a4
--- /dev/null
+++ b/tests/a--b,a--c,b--d,c--d/all.do
@@ -0,0 +1,9 @@
+. ../include.sh
+
+rm -rf a b c d
+
+redo-ifchange a
+
+assert "a--b,a--c,b--d,c--d" << !
+[ "$(cat a)" = "abdcd" ]
+!
diff --git a/tests/a--b,a--c,b--d,c--d/b.do b/tests/a--b,a--c,b--d,c--d/b.do
new file mode 100644
index 0000000..9a2fbf4
--- /dev/null
+++ b/tests/a--b,a--c,b--d,c--d/b.do
@@ -0,0 +1,3 @@
+redo-ifchange d
+
+echo -n "b" | cat - d > $3
diff --git a/tests/a--b,a--c,b--d,c--d/c.do b/tests/a--b,a--c,b--d,c--d/c.do
new file mode 100644
index 0000000..fdc64d8
--- /dev/null
+++ b/tests/a--b,a--c,b--d,c--d/c.do
@@ -0,0 +1,3 @@
+redo-ifchange d
+
+echo -n "c" | cat - d > $3
diff --git a/tests/a--b,a--c,b--d,c--d/d.do b/tests/a--b,a--c,b--d,c--d/d.do
new file mode 100644
index 0000000..ab21832
--- /dev/null
+++ b/tests/a--b,a--c,b--d,c--d/d.do
@@ -0,0 +1 @@
+echo -n "d" > $3