+ expectEqual(t, m12.Extract("./foo", "./blub").Text, `./blub 204e43b8a1185621ca55a94839582e6f+67108864 0:3:bar
+./blub/baz 323d2a3ce20370c4ca1d3462a344f8fd+25885655 0:3:bar
+`)
+ expectEqual(t, m12.Extract("./foo", "./blub/").Text, `./blub 204e43b8a1185621ca55a94839582e6f+67108864 0:3:bar
+./blub/baz 323d2a3ce20370c4ca1d3462a344f8fd+25885655 0:3:bar
+`)
+ expectEqual(t, m12.Extract("./foo/", "./blub/").Text, `./blub 204e43b8a1185621ca55a94839582e6f+67108864 0:3:bar
+./blub/baz 323d2a3ce20370c4ca1d3462a344f8fd+25885655 0:3:bar
+`)
+
+ m13 := Manifest{Text: `foo 204e43b8a1185621ca55a94839582e6f+67108864 0:3:bar
+`}
+
+ expectEqual(t, m13.Extract(".", ".").Text, ``)
+ expectEqual(t, m13.Extract(".", ".").Err.Error(), "Invalid stream name: foo")
+
+ m14 := Manifest{Text: `./foo 204e43b8a1185621ca55a94839582e6f+67108864 67108863:3:bar
+`}
+
+ expectEqual(t, m14.Extract(".", ".").Text, ``)
+ expectEqual(t, m14.Extract(".", ".").Err.Error(), "File segment 67108863:3:bar extends past end of stream 67108864")
+
+ m15 := Manifest{Text: `./foo 204e43b8a1185621ca55a94839582e6f+67108864 0:3bar
+`}
+
+ expectEqual(t, m15.Extract(".", ".").Text, ``)
+ expectEqual(t, m15.Extract(".", ".").Err.Error(), "Invalid file token: 0:3bar")
+}