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require 'test/unit'
require 'coderay'
$VERBOSE = true
require File.expand_path('../../lib/assert_warning', __FILE__)
class LinesOfCodeTest < Test::Unit::TestCase
def test_creation
assert CodeRay::Encoders::LinesOfCode < CodeRay::Encoders::Encoder
filter = nil
assert_nothing_raised do
filter = CodeRay.encoder :loc
end
assert_kind_of CodeRay::Encoders::LinesOfCode, filter
assert_nothing_raised do
filter = CodeRay.encoder :lines_of_code
end
assert_kind_of CodeRay::Encoders::LinesOfCode, filter
end
def test_lines_of_code
tokens = CodeRay.scan <<-RUBY, :ruby
#!/usr/bin/env ruby
# a minimal Ruby program
puts "Hello world!"
RUBY
assert_equal 1, CodeRay::Encoders::LinesOfCode.new.encode_tokens(tokens)
assert_equal 1, tokens.lines_of_code
assert_equal 1, tokens.loc
end
class ScannerMockup
KINDS_NOT_LOC = [:space]
end
def test_filtering_block_tokens
tokens = CodeRay::Tokens.new
tokens.concat ["Hello\n", :world]
tokens.concat ["\n", :space]
tokens.concat ["Hello\n", :comment]
assert_warning 'Tokens have no associated scanner, counting all nonempty lines.' do
assert_equal 1, tokens.lines_of_code
end
tokens.scanner = ScannerMockup.new
assert_equal 2, tokens.lines_of_code
end
end
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