diff --git a/ledger/like_test.go b/ledger/like_test.go
new file mode 100644
index 0000000..c1f8f99
--- /dev/null
+++ b/ledger/like_test.go
@@ -0,0 +1,23 @@
+package ledger
+
+import "testing"
+
+func TestLikeAcc(t *testing.T) {
+	delta := Delta{Account: "x"}
+	if got := LikeAcc("^x$")(delta); !got {
+		t.Error(got)
+	}
+	if got := LikeAcc("^y$")(delta); got {
+		t.Error(got)
+	}
+}
+
+func TestLikesAll(t *testing.T) {
+	delta := Delta{Account: "x"}
+	if likes := (likes{LikeAcc("^x$")}); !likes.all(delta) {
+		t.Error(likes.all(delta))
+	}
+	if likes := (likes{LikeAcc("^y$")}); likes.all(delta) {
+		t.Error(likes.all(delta))
+	}
+}