mirror of
https://github.com/ruby/ruby.git
synced 2022-11-09 12:17:21 -05:00
636 lines
21 KiB
Ruby
636 lines
21 KiB
Ruby
$LOAD_PATH.unshift File.expand_path('../../lib', __FILE__)
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require 'irb/ruby-lex'
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require 'test/unit'
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require 'ostruct'
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module TestIRB
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class TestRubyLex < Test::Unit::TestCase
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Row = Struct.new(:content, :current_line_spaces, :new_line_spaces, :nesting_level)
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class MockIO_AutoIndent
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def initialize(params, &assertion)
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@params = params
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@assertion = assertion
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end
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def auto_indent(&block)
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result = block.call(*@params)
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@assertion.call(result)
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end
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end
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def assert_indenting(lines, correct_space_count, add_new_line)
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lines = lines + [""] if add_new_line
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last_line_index = lines.length - 1
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byte_pointer = lines.last.length
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ruby_lex = RubyLex.new()
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io = MockIO_AutoIndent.new([lines, last_line_index, byte_pointer, add_new_line]) do |auto_indent|
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error_message = "Calculated the wrong number of spaces for:\n #{lines.join("\n")}"
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assert_equal(correct_space_count, auto_indent, error_message)
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end
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ruby_lex.set_input(io)
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context = OpenStruct.new(auto_indent_mode: true)
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ruby_lex.set_auto_indent(context)
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end
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def assert_nesting_level(lines, expected)
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ruby_lex = RubyLex.new()
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io = proc{ lines.join("\n") }
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ruby_lex.set_input(io, io)
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ruby_lex.lex
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error_message = "Calculated the wrong number of nesting level for:\n #{lines.join("\n")}"
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assert_equal(expected, ruby_lex.instance_variable_get(:@indent), error_message)
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end
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def test_auto_indent
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input_with_correct_indents = [
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Row.new(%q(def each_top_level_statement), nil, 2),
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Row.new(%q( initialize_input), nil, 2),
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Row.new(%q( catch(:TERM_INPUT) do), nil, 4),
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Row.new(%q( loop do), nil, 6),
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Row.new(%q( begin), nil, 8),
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Row.new(%q( prompt), nil, 8),
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Row.new(%q( unless l = lex), nil, 10),
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Row.new(%q( throw :TERM_INPUT if @line == ''), nil, 10),
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Row.new(%q( else), 8, 10),
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Row.new(%q( @line_no += l.count("\n")), nil, 10),
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Row.new(%q( next if l == "\n"), nil, 10),
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Row.new(%q( @line.concat l), nil, 10),
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Row.new(%q( if @code_block_open or @ltype or @continue or @indent > 0), nil, 12),
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Row.new(%q( next), nil, 12),
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Row.new(%q( end), 10, 10),
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Row.new(%q( end), 8, 8),
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Row.new(%q( if @line != "\n"), nil, 10),
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Row.new(%q( @line.force_encoding(@io.encoding)), nil, 10),
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Row.new(%q( yield @line, @exp_line_no), nil, 10),
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Row.new(%q( end), 8, 8),
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Row.new(%q( break if @io.eof?), nil, 8),
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Row.new(%q( @line = ''), nil, 8),
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Row.new(%q( @exp_line_no = @line_no), nil, 8),
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Row.new(%q( ), nil, 8),
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Row.new(%q( @indent = 0), nil, 8),
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Row.new(%q( rescue TerminateLineInput), 6, 8),
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Row.new(%q( initialize_input), nil, 8),
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Row.new(%q( prompt), nil, 8),
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Row.new(%q( end), 6, 6),
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Row.new(%q( end), 4, 4),
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Row.new(%q( end), 2, 2),
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Row.new(%q(end), 0, 0),
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]
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lines = []
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input_with_correct_indents.each do |row|
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lines << row.content
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assert_indenting(lines, row.current_line_spaces, false)
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assert_indenting(lines, row.new_line_spaces, true)
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end
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end
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def test_braces_on_their_own_line
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input_with_correct_indents = [
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Row.new(%q(if true), nil, 2),
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Row.new(%q( [), nil, 4),
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Row.new(%q( ]), 2, 2),
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Row.new(%q(end), 0, 0),
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]
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lines = []
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input_with_correct_indents.each do |row|
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lines << row.content
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assert_indenting(lines, row.current_line_spaces, false)
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assert_indenting(lines, row.new_line_spaces, true)
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end
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end
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def test_multiple_braces_in_a_line
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input_with_correct_indents = [
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Row.new(%q([[[), nil, 6),
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Row.new(%q( ]), 4, 4),
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Row.new(%q( ]), 2, 2),
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Row.new(%q(]), 0, 0),
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Row.new(%q([<<FOO]), 0, 0),
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Row.new(%q(hello), 0, 0),
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Row.new(%q(FOO), nil, 0),
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]
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lines = []
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input_with_correct_indents.each do |row|
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lines << row.content
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assert_indenting(lines, row.current_line_spaces, false)
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assert_indenting(lines, row.new_line_spaces, true)
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end
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end
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def test_a_closed_brace_and_not_closed_brace_in_a_line
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input_with_correct_indents = [
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Row.new(%q(p() {), nil, 2),
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Row.new(%q(}), 0, 0),
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]
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lines = []
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input_with_correct_indents.each do |row|
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lines << row.content
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assert_indenting(lines, row.current_line_spaces, false)
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assert_indenting(lines, row.new_line_spaces, true)
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end
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end
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def test_symbols
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input_with_correct_indents = [
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Row.new(%q(:a), nil, 0),
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Row.new(%q(:A), nil, 0),
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Row.new(%q(:+), nil, 0),
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Row.new(%q(:@@a), nil, 0),
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Row.new(%q(:@a), nil, 0),
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Row.new(%q(:$a), nil, 0),
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Row.new(%q(:def), nil, 0),
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Row.new(%q(:`), nil, 0),
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]
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lines = []
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input_with_correct_indents.each do |row|
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lines << row.content
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assert_indenting(lines, row.current_line_spaces, false)
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assert_indenting(lines, row.new_line_spaces, true)
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end
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end
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def test_endless_range_at_end_of_line
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if Gem::Version.new(RUBY_VERSION) < Gem::Version.new('2.6.0')
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pend 'Endless range is available in 2.6.0 or later'
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end
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input_with_prompt = [
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PromptRow.new('001:0: :> ', %q(a = 3..)),
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PromptRow.new('002:0: :* ', %q()),
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]
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lines = input_with_prompt.map(&:content)
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expected_prompt_list = input_with_prompt.map(&:prompt)
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assert_dynamic_prompt(lines, expected_prompt_list)
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end
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def test_incomplete_coding_magic_comment
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input_with_correct_indents = [
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Row.new(%q(#coding:u), nil, 0),
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]
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lines = []
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input_with_correct_indents.each do |row|
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lines << row.content
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assert_indenting(lines, row.current_line_spaces, false)
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assert_indenting(lines, row.new_line_spaces, true)
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end
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end
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def test_incomplete_encoding_magic_comment
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input_with_correct_indents = [
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Row.new(%q(#encoding:u), nil, 0),
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]
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lines = []
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input_with_correct_indents.each do |row|
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lines << row.content
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assert_indenting(lines, row.current_line_spaces, false)
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assert_indenting(lines, row.new_line_spaces, true)
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end
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end
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def test_incomplete_emacs_coding_magic_comment
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input_with_correct_indents = [
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Row.new(%q(# -*- coding: u), nil, 0),
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]
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lines = []
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input_with_correct_indents.each do |row|
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lines << row.content
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assert_indenting(lines, row.current_line_spaces, false)
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assert_indenting(lines, row.new_line_spaces, true)
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end
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end
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def test_incomplete_vim_coding_magic_comment
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input_with_correct_indents = [
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Row.new(%q(# vim:set fileencoding=u), nil, 0),
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]
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lines = []
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input_with_correct_indents.each do |row|
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lines << row.content
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assert_indenting(lines, row.current_line_spaces, false)
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assert_indenting(lines, row.new_line_spaces, true)
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end
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end
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def test_mixed_rescue
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input_with_correct_indents = [
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Row.new(%q(def m), nil, 2),
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Row.new(%q( begin), nil, 4),
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Row.new(%q( begin), nil, 6),
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Row.new(%q( x = a rescue 4), nil, 6),
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Row.new(%q( y = [(a rescue 5)]), nil, 6),
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Row.new(%q( [x, y]), nil, 6),
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Row.new(%q( rescue => e), 4, 6),
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Row.new(%q( raise e rescue 8), nil, 6),
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Row.new(%q( end), 4, 4),
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Row.new(%q( rescue), 2, 4),
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Row.new(%q( raise rescue 11), nil, 4),
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Row.new(%q( end), 2, 2),
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Row.new(%q(rescue => e), 0, 2),
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Row.new(%q( raise e rescue 14), nil, 2),
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Row.new(%q(end), 0, 0),
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]
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lines = []
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input_with_correct_indents.each do |row|
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lines << row.content
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assert_indenting(lines, row.current_line_spaces, false)
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assert_indenting(lines, row.new_line_spaces, true)
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end
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end
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def test_oneliner_method_definition
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input_with_correct_indents = [
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Row.new(%q(class A), nil, 2),
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Row.new(%q( def foo0), nil, 4),
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Row.new(%q( 3), nil, 4),
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Row.new(%q( end), 2, 2),
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Row.new(%q( def foo1()), nil, 4),
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Row.new(%q( 3), nil, 4),
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Row.new(%q( end), 2, 2),
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Row.new(%q( def foo2(a, b)), nil, 4),
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Row.new(%q( a + b), nil, 4),
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Row.new(%q( end), 2, 2),
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Row.new(%q( def foo3 a, b), nil, 4),
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Row.new(%q( a + b), nil, 4),
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Row.new(%q( end), 2, 2),
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Row.new(%q( def bar0() = 3), nil, 2),
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Row.new(%q( def bar1(a) = a), nil, 2),
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Row.new(%q( def bar2(a, b) = a + b), nil, 2),
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Row.new(%q( def bar3() = :s), nil, 2),
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Row.new(%q( def bar4() = Time.now), nil, 2),
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Row.new(%q(end), 0, 0),
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]
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lines = []
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input_with_correct_indents.each do |row|
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lines << row.content
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assert_indenting(lines, row.current_line_spaces, false)
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assert_indenting(lines, row.new_line_spaces, true)
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end
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end
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def test_tlambda
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input_with_correct_indents = [
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Row.new(%q(if true), nil, 2, 1),
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Row.new(%q( -> {), nil, 4, 2),
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Row.new(%q( }), 2, 2, 1),
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Row.new(%q(end), 0, 0, 0),
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]
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lines = []
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input_with_correct_indents.each do |row|
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lines << row.content
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assert_indenting(lines, row.current_line_spaces, false)
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assert_indenting(lines, row.new_line_spaces, true)
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assert_nesting_level(lines, row.nesting_level)
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end
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end
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def test_corresponding_syntax_to_keyword_do_in_class
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input_with_correct_indents = [
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Row.new(%q(class C), nil, 2, 1),
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Row.new(%q( while method_name do), nil, 4, 2),
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Row.new(%q( 3), nil, 4, 2),
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Row.new(%q( end), 2, 2, 1),
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Row.new(%q( foo do), nil, 4, 2),
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Row.new(%q( 3), nil, 4, 2),
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Row.new(%q( end), 2, 2, 1),
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Row.new(%q(end), 0, 0, 0),
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]
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lines = []
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input_with_correct_indents.each do |row|
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lines << row.content
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assert_indenting(lines, row.current_line_spaces, false)
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assert_indenting(lines, row.new_line_spaces, true)
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assert_nesting_level(lines, row.nesting_level)
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end
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end
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def test_corresponding_syntax_to_keyword_do
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input_with_correct_indents = [
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Row.new(%q(while i > 0), nil, 2, 1),
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Row.new(%q( 3), nil, 2, 1),
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Row.new(%q(end), 0, 0, 0),
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Row.new(%q(while true), nil, 2, 1),
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Row.new(%q( 3), nil, 2, 1),
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Row.new(%q(end), 0, 0, 0),
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Row.new(%q(while ->{i > 0}.call), nil, 2, 1),
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Row.new(%q( 3), nil, 2, 1),
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Row.new(%q(end), 0, 0, 0),
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Row.new(%q(while ->{true}.call), nil, 2, 1),
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Row.new(%q( 3), nil, 2, 1),
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Row.new(%q(end), 0, 0, 0),
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Row.new(%q(while i > 0 do), nil, 2, 1),
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Row.new(%q( 3), nil, 2, 1),
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Row.new(%q(end), 0, 0, 0),
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Row.new(%q(while true do), nil, 2, 1),
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Row.new(%q( 3), nil, 2, 1),
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Row.new(%q(end), 0, 0, 0),
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Row.new(%q(while ->{i > 0}.call do), nil, 2, 1),
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Row.new(%q( 3), nil, 2, 1),
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Row.new(%q(end), 0, 0, 0),
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Row.new(%q(while ->{true}.call do), nil, 2, 1),
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Row.new(%q( 3), nil, 2, 1),
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Row.new(%q(end), 0, 0, 0),
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Row.new(%q(foo do), nil, 2, 1),
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Row.new(%q( 3), nil, 2, 1),
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Row.new(%q(end), 0, 0, 0),
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Row.new(%q(foo true do), nil, 2, 1),
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Row.new(%q( 3), nil, 2, 1),
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Row.new(%q(end), 0, 0, 0),
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Row.new(%q(foo ->{true} do), nil, 2, 1),
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Row.new(%q( 3), nil, 2, 1),
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Row.new(%q(end), 0, 0, 0),
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Row.new(%q(foo ->{i > 0} do), nil, 2, 1),
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Row.new(%q( 3), nil, 2, 1),
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Row.new(%q(end), 0, 0, 0),
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]
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lines = []
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input_with_correct_indents.each do |row|
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lines << row.content
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assert_indenting(lines, row.current_line_spaces, false)
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assert_indenting(lines, row.new_line_spaces, true)
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assert_nesting_level(lines, row.nesting_level)
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end
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end
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def test_corresponding_syntax_to_keyword_for
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input_with_correct_indents = [
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Row.new(%q(for i in [1]), nil, 2, 1),
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Row.new(%q( puts i), nil, 2, 1),
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Row.new(%q(end), 0, 0, 0),
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]
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lines = []
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input_with_correct_indents.each do |row|
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lines << row.content
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assert_indenting(lines, row.current_line_spaces, false)
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assert_indenting(lines, row.new_line_spaces, true)
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assert_nesting_level(lines, row.nesting_level)
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end
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end
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def test_corresponding_syntax_to_keyword_for_with_do
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input_with_correct_indents = [
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Row.new(%q(for i in [1] do), nil, 2, 1),
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Row.new(%q( puts i), nil, 2, 1),
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Row.new(%q(end), 0, 0, 0),
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]
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lines = []
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input_with_correct_indents.each do |row|
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lines << row.content
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assert_indenting(lines, row.current_line_spaces, false)
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assert_indenting(lines, row.new_line_spaces, true)
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assert_nesting_level(lines, row.nesting_level)
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end
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end
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def test_corresponding_syntax_to_keyword_in
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input_with_correct_indents = [
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Row.new(%q(module E), nil, 2, 1),
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Row.new(%q(end), 0, 0, 0),
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Row.new(%q(class A), nil, 2, 1),
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Row.new(%q( in), nil, 4, 1)
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]
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lines = []
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input_with_correct_indents.each do |row|
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lines << row.content
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assert_indenting(lines, row.current_line_spaces, false)
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assert_indenting(lines, row.new_line_spaces, true)
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assert_nesting_level(lines, row.nesting_level)
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end
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end
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def test_bracket_corresponding_to_times
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input_with_correct_indents = [
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Row.new(%q(3.times { |i|), nil, 2, 1),
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Row.new(%q( puts i), nil, 2, 1),
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Row.new(%q(}), 0, 0, 0),
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]
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lines = []
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input_with_correct_indents.each do |row|
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lines << row.content
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assert_indenting(lines, row.current_line_spaces, false)
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assert_indenting(lines, row.new_line_spaces, true)
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assert_nesting_level(lines, row.nesting_level)
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end
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end
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def test_do_corresponding_to_times
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input_with_correct_indents = [
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Row.new(%q(3.times do |i|), nil, 2, 1),
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#Row.new(%q( puts i), nil, 2, 1),
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#Row.new(%q(end), 0, 0, 0),
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]
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lines = []
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input_with_correct_indents.each do |row|
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lines << row.content
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assert_indenting(lines, row.current_line_spaces, false)
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assert_indenting(lines, row.new_line_spaces, true)
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assert_nesting_level(lines, row.nesting_level)
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end
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end
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def test_bracket_corresponding_to_loop
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input_with_correct_indents = [
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Row.new(%q(loop {), nil, 2, 1),
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Row.new(%q( 3), nil, 2, 1),
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Row.new(%q(}), 0, 0, 0),
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]
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|
|
lines = []
|
|
input_with_correct_indents.each do |row|
|
|
lines << row.content
|
|
assert_indenting(lines, row.current_line_spaces, false)
|
|
assert_indenting(lines, row.new_line_spaces, true)
|
|
assert_nesting_level(lines, row.nesting_level)
|
|
end
|
|
end
|
|
|
|
def test_do_corresponding_to_loop
|
|
input_with_correct_indents = [
|
|
Row.new(%q(loop do), nil, 2, 1),
|
|
Row.new(%q( 3), nil, 2, 1),
|
|
Row.new(%q(end), 0, 0, 0),
|
|
]
|
|
|
|
lines = []
|
|
input_with_correct_indents.each do |row|
|
|
lines << row.content
|
|
assert_indenting(lines, row.current_line_spaces, false)
|
|
assert_indenting(lines, row.new_line_spaces, true)
|
|
assert_nesting_level(lines, row.nesting_level)
|
|
end
|
|
end
|
|
|
|
def test_heredoc_with_indent
|
|
input_with_correct_indents = [
|
|
Row.new(%q(<<~Q), 0, 0, 0),
|
|
Row.new(%q({), 0, 0, 0),
|
|
Row.new(%q( #), 2, 0, 0),
|
|
Row.new(%q(}), 0, 0, 0)
|
|
]
|
|
|
|
lines = []
|
|
input_with_correct_indents.each do |row|
|
|
lines << row.content
|
|
assert_indenting(lines, row.current_line_spaces, false)
|
|
assert_indenting(lines, row.new_line_spaces, true)
|
|
assert_nesting_level(lines, row.nesting_level)
|
|
end
|
|
end
|
|
|
|
def test_oneliner_def_in_multiple_lines
|
|
input_with_correct_indents = [
|
|
Row.new(%q(def a()=[), nil, 4, 2),
|
|
Row.new(%q( 1,), nil, 4, 1),
|
|
Row.new(%q(].), 0, 0, 0),
|
|
Row.new(%q(to_s), nil, 0, 0),
|
|
]
|
|
|
|
lines = []
|
|
input_with_correct_indents.each do |row|
|
|
lines << row.content
|
|
assert_indenting(lines, row.current_line_spaces, false)
|
|
assert_indenting(lines, row.new_line_spaces, true)
|
|
assert_nesting_level(lines, row.nesting_level)
|
|
end
|
|
end
|
|
|
|
def test_broken_heredoc
|
|
if Gem::Version.new(RUBY_VERSION) < Gem::Version.new('2.7.0')
|
|
pend 'This test needs Ripper::Lexer#scan to take broken tokens'
|
|
end
|
|
input_with_correct_indents = [
|
|
Row.new(%q(def foo), nil, 2, 1),
|
|
Row.new(%q( <<~Q), 2, 2, 1),
|
|
Row.new(%q( Qend), 2, 2, 1),
|
|
]
|
|
|
|
lines = []
|
|
input_with_correct_indents.each do |row|
|
|
lines << row.content
|
|
assert_indenting(lines, row.current_line_spaces, false)
|
|
assert_indenting(lines, row.new_line_spaces, true)
|
|
assert_nesting_level(lines, row.nesting_level)
|
|
end
|
|
end
|
|
|
|
PromptRow = Struct.new(:prompt, :content)
|
|
|
|
class MockIO_DynamicPrompt
|
|
def initialize(params, &assertion)
|
|
@params = params
|
|
@assertion = assertion
|
|
end
|
|
|
|
def dynamic_prompt(&block)
|
|
result = block.call(@params)
|
|
@assertion.call(result)
|
|
end
|
|
end
|
|
|
|
def assert_dynamic_prompt(lines, expected_prompt_list)
|
|
pend if RUBY_ENGINE == 'truffleruby'
|
|
ruby_lex = RubyLex.new()
|
|
io = MockIO_DynamicPrompt.new(lines) do |prompt_list|
|
|
error_message = <<~EOM
|
|
Expected dynamic prompt:
|
|
#{expected_prompt_list.join("\n")}
|
|
|
|
Actual dynamic prompt:
|
|
#{prompt_list.join("\n")}
|
|
EOM
|
|
assert_equal(expected_prompt_list, prompt_list, error_message)
|
|
end
|
|
ruby_lex.set_prompt do |ltype, indent, continue, line_no|
|
|
'%03d:%01d:%1s:%s ' % [line_no, indent, ltype, continue ? '*' : '>']
|
|
end
|
|
ruby_lex.set_input(io)
|
|
end
|
|
|
|
def test_dyanmic_prompt
|
|
input_with_prompt = [
|
|
PromptRow.new('001:1: :* ', %q(def hoge)),
|
|
PromptRow.new('002:1: :* ', %q( 3)),
|
|
PromptRow.new('003:0: :> ', %q(end)),
|
|
]
|
|
|
|
lines = input_with_prompt.map(&:content)
|
|
expected_prompt_list = input_with_prompt.map(&:prompt)
|
|
assert_dynamic_prompt(lines, expected_prompt_list)
|
|
end
|
|
|
|
def test_dyanmic_prompt_with_blank_line
|
|
input_with_prompt = [
|
|
PromptRow.new('001:0:]:* ', %q(%w[)),
|
|
PromptRow.new('002:0:]:* ', %q()),
|
|
PromptRow.new('003:0: :> ', %q(])),
|
|
]
|
|
|
|
lines = input_with_prompt.map(&:content)
|
|
expected_prompt_list = input_with_prompt.map(&:prompt)
|
|
assert_dynamic_prompt(lines, expected_prompt_list)
|
|
end
|
|
|
|
def test_broken_percent_literal
|
|
if Gem::Version.new(RUBY_VERSION) < Gem::Version.new('2.7.0')
|
|
pend 'This test needs Ripper::Lexer#scan to take broken tokens'
|
|
end
|
|
|
|
tokens = RubyLex.ripper_lex_without_warning('%wwww')
|
|
pos_to_index = {}
|
|
tokens.each_with_index { |t, i|
|
|
assert_nil(pos_to_index[t.pos], "There is already another token in the position of #{t.inspect}.")
|
|
pos_to_index[t.pos] = i
|
|
}
|
|
end
|
|
|
|
def test_broken_percent_literal_in_method
|
|
if Gem::Version.new(RUBY_VERSION) < Gem::Version.new('2.7.0')
|
|
pend 'This test needs Ripper::Lexer#scan to take broken tokens'
|
|
end
|
|
|
|
tokens = RubyLex.ripper_lex_without_warning(<<~EOC.chomp)
|
|
def foo
|
|
%wwww
|
|
end
|
|
EOC
|
|
pos_to_index = {}
|
|
tokens.each_with_index { |t, i|
|
|
assert_nil(pos_to_index[t.pos], "There is already another token in the position of #{t.inspect}.")
|
|
pos_to_index[t.pos] = i
|
|
}
|
|
end
|
|
|
|
def test_unterminated_code
|
|
if Gem::Version.new(RUBY_VERSION) < Gem::Version.new('2.7.0')
|
|
pend 'This test needs Ripper::Lexer#scan to take broken tokens'
|
|
end
|
|
|
|
['do', '<<A'].each do |code|
|
|
tokens = RubyLex.ripper_lex_without_warning(code)
|
|
assert_equal(code, tokens.map(&:tok).join, "Cannot reconstruct code from tokens")
|
|
error_tokens = tokens.map(&:event).grep(/error/)
|
|
assert_empty(error_tokens, 'Error tokens must be ignored if there is corresponding non-error token')
|
|
end
|
|
end
|
|
end
|
|
end
|