more tests and fixes

src/BibTeX.jl

@@ -2,7 +2,7 @@ module BibTeX
 export Bibliography, Citation
 
 include("parser.jl")
-include("bibitem.jl")
-include("bib.jl")
+include("citation.jl")
+include("bibliography.jl")
 
 end

src/citation.jl

@@ -18,7 +18,7 @@ function Citation!(data::Dict{String,String})
 end
 
 Base.similar(b::Citation{S}) where {S} = Citation{S}(Dict{String,String}())
-Base.rehash!(b::Citation, n=length(b.data)) = begin rehash!(b.data, n); b; end
+Base.rehash!(b::Citation, n=length(b.data)) = begin Base.rehash!(b.data, n); b; end
 Base.sizehint!(b::Citation, n) = begin sizehint!(b.data, n); b; end
 Base.empty!(b::Citation) = begin empty!(b.data); b; end
 Base.copy(b::Citation{S}) where {S} = Citation{S}(copy(b.data))

test/runtests.jl

@@ -31,12 +31,19 @@ end
 
     Base.rehash!(b)
     b2 = copy(b)
+    @test length(b2) == length(b)
     @test isempty(sizehint!(empty!(b2),10))
     @test isempty(similar(b))
     b2["x"] = Citation{:foo}()
     b2["x"]["bar"] = "blah"
     @test length(b2) == length(b2["x"]) == 1
     @test b2["x"]["bar"] == "blah"
+    @test get(b2["x"], "foo", nothing) === nothing
     @test collect(b2)[1][2] == b2["x"]
     @test collect(b2["x"])[1] == ("bar"=>"blah")
+    Base.rehash!(b2["x"])
+    x2 = copy(b2["x"])::Citation{:foo}
+    @test length(x2) == 1
+    @test isempty(similar(x2))
+    @test isempty(sizehint!(empty!(x2),10))
 end