fix deprecations (#44)

REQUIRE

@@ -1,2 +1,2 @@
 julia 0.6.0
-Compat 0.55
+Compat 0.62

src/buffer.jl

@@ -27,7 +27,7 @@ mutable struct Buffer
     total::Int64
 
     function Buffer(size::Integer)
-        return new(Vector{UInt8}(uninitialized, size), 0, 1, 1, 0)
+        return new(Vector{UInt8}(undef, size), 0, 1, 1, 0)
     end
 
     function Buffer(data::Vector{UInt8})

src/stream.jl

@@ -276,7 +276,7 @@ end
 function Base.readuntil(stream::TranscodingStream, delim::UInt8)
     ready_to_read!(stream)
     buffer1 = stream.state.buffer1
-    ret = Vector{UInt8}(uninitialized, 0)
+    ret = Vector{UInt8}(undef, 0)
     filled = 0
     while !eof(stream)
         p = findbyte(buffer1, delim)
@@ -347,7 +347,7 @@ end
 
 function Base.readavailable(stream::TranscodingStream)
     n = bytesavailable(stream)
-    data = Vector{UInt8}(uninitialized, n)
+    data = Vector{UInt8}(undef, n)
     unsafe_read(stream, pointer(data), n)
     return data
 end

test/codecnoop.jl

@@ -4,7 +4,7 @@
     @test eof(stream)
     @inferred eof(stream)
     @test read(stream) == UInt8[]
-    @test contains(repr(stream), "mode=read")
+    @test occursin("mode=read", repr(stream))
 
     source = IOBuffer("foo")
     stream = TranscodingStream(Noop(), source)
@@ -21,20 +21,20 @@
 
     stream = TranscodingStream(Noop(), IOBuffer())
     @test_throws EOFError read(stream, UInt8)
-    @test_throws EOFError unsafe_read(stream, pointer(Vector{UInt8}(uninitialized, 3)), 3)
+    @test_throws EOFError unsafe_read(stream, pointer(Vector{UInt8}(undef, 3)), 3)
     close(stream)
 
     stream = TranscodingStream(Noop(), IOBuffer("foobar"), bufsize=1)
     @test read(stream, UInt8) === UInt8('f')
-    data = Vector{UInt8}(uninitialized, 5)
+    data = Vector{UInt8}(undef, 5)
     unsafe_read(stream, pointer(data), 5) === nothing
     @test data == b"oobar"
     close(stream)
 
     sink = IOBuffer()
     stream = TranscodingStream(Noop(), sink)
     @test write(stream, "foo") === 3
-    @test contains(repr(stream), "mode=write")
+    @test occursin("mode=write", repr(stream))
     flush(stream)
     @test take!(sink) == b"foo"
     close(stream)

test/codecquadruple.jl

@@ -65,6 +65,6 @@ end
     close(stream2)
 
     stream = TranscodingStream(QuadrupleCodec(), IOBuffer("foo"))
-    @test_throws EOFError unsafe_read(stream, pointer(Vector{UInt8}(uninitialized, 13)), 13)
+    @test_throws EOFError unsafe_read(stream, pointer(Vector{UInt8}(undef, 13)), 13)
     close(stream)
 end