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9a28a29b87
* parse.y: add heredoc <<~ syntax. [Feature #9098] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@52916 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
84 lines
2 KiB
Ruby
84 lines
2 KiB
Ruby
begin
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require 'ripper'
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require 'test/unit'
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ripper_test = true
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module TestRipper; end
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rescue LoadError
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end
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class TestRipper::Sexp < Test::Unit::TestCase
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def test_compile_error
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assert_nil Ripper.sexp("/")
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assert_nil Ripper.sexp("-")
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assert_nil Ripper.sexp("+")
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assert_nil Ripper.sexp("*")
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assert_nil Ripper.sexp("end")
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assert_nil Ripper.sexp("end 1")
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assert_nil Ripper.sexp("/*")
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assert_nil Ripper.sexp("/*/")
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assert_nil Ripper.sexp("/+/")
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end
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def test_regexp_content
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sexp = Ripper.sexp('//')
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assert_nil search_sexp(:@tstring_content, search_sexp(:regexp_literal, sexp))
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sexp = Ripper.sexp('/foo/')
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assert_equal 'foo', search_sexp(:@tstring_content, search_sexp(:regexp_literal, sexp))[1]
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sexp = Ripper.sexp("/foo\nbar/")
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assert_equal "foo\nbar", search_sexp(:@tstring_content, search_sexp(:regexp_literal, sexp))[1]
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sexp = Ripper.sexp('/(?<n>a(b|\g<n>))/')
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assert_equal '(?<n>a(b|\g<n>))', search_sexp(:@tstring_content, search_sexp(:regexp_literal, sexp))[1]
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end
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def test_heredoc_content
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sexp = Ripper.sexp("<<E\nfoo\nE")
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assert_equal "foo\n", search_sexp(:@tstring_content, sexp)[1]
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end
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def test_squiggly_heredoc
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sexp = Ripper.sexp("<<~eot\n asdf\neot")
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assert_equal "asdf\n", search_sexp(:@tstring_content, sexp)[1]
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end
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def test_squiggly_heredoc_with_interpolated_expression
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sexp1 = Ripper.sexp(<<-eos)
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<<-eot
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a\#{1}z
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eot
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eos
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sexp2 = Ripper.sexp(<<-eos)
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<<~eot
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a\#{1}z
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eot
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eos
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assert_equal clear_pos(sexp1), clear_pos(sexp2)
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end
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def search_sexp(sym, sexp)
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return sexp if !sexp or sexp[0] == sym
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sexp.find do |e|
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if Array === e and e = search_sexp(sym, e)
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return e
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end
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end
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end
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def clear_pos(sexp)
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return sexp if !sexp
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sexp.each do |e|
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if Array === e
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if e.size == 3 and Array === (last = e.last) and
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last.size == 2 and Integer === last[0] and Integer === last[1]
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last.clear
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else
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clear_pos(e)
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end
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end
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end
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end
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end if ripper_test
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