added unit tests for Indent and Shape (#1353)
added unit tests for Indent and Shape (#1353)


graydon/rust,rust-lang/rustfmt,SingingTree/rustfmt,Emilgardis/rustfmt,graydon/rust,graydon/rust,Emilgardis/rustfmt,aidancully/rust,aidancully/rust,rust-lang/rustfmt,graydon/rust,aidancully/rust,SingingTree/rustfmt,graydon/rust,aidancully/rust,aidancully/rust,graydon/rust,aidancully/rust