func assertCustomCharm(c *gc.C, ch *state.Charm, series string, meta *charm.Meta, config *charm.Config, revision int) {
// Check Charm interface method results.
c.Assert(ch.Meta(), gc.DeepEquals, meta)
c.Assert(ch.Config(), gc.DeepEquals, config)
c.Assert(ch.Revision(), gc.DeepEquals, revision)
// Test URL matches charm and expected series.
url := ch.URL()
c.Assert(url.Series, gc.Equals, series)
c.Assert(url.Revision, gc.Equals, ch.Revision())
// Ignore the BundleURL and BundleSHA256 methods, they're irrelevant.
}
func assertCharm(c *gc.C, bun charm.Bundle, sch *state.Charm) {
actual := bun.(*corecharm.Bundle)
c.Assert(actual.Revision(), gc.Equals, sch.Revision())
c.Assert(actual.Meta(), gc.DeepEquals, sch.Meta())
c.Assert(actual.Config(), gc.DeepEquals, sch.Config())
}