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# frozen_string_literal: true
require_relative "../test_helper"
module Prism
class ParseStreamTest < TestCase
def test_single_line
io = StringIO.new("1 + 2")
result = Prism.parse_stream(io)
assert result.success?
assert_kind_of Prism::CallNode, result.statement
end
def test_multi_line
io = StringIO.new("1 + 2\n3 + 4")
result = Prism.parse_stream(io)
assert result.success?
assert_kind_of Prism::CallNode, result.statement
assert_kind_of Prism::CallNode, result.statement
end
def test_multi_read
io = StringIO.new("a" * 4096 * 4)
result = Prism.parse_stream(io)
assert result.success?
assert_kind_of Prism::CallNode, result.statement
end
def test___END__
io = StringIO.new("1 + 2\n3 + 4\n__END__\n5 + 6")
result = Prism.parse_stream(io)
assert result.success?
assert_equal 2, result.value.statements.body.length
assert_equal "5 + 6", io.read
end
def test_false___END___in_string
io = StringIO.new("1 + 2\n3 + 4\n\"\n__END__\n\"\n5 + 6")
result = Prism.parse_stream(io)
assert result.success?
assert_equal 4, result.value.statements.body.length
end
def test_false___END___in_regexp
io = StringIO.new("1 + 2\n3 + 4\n/\n__END__\n/\n5 + 6")
result = Prism.parse_stream(io)
assert result.success?
assert_equal 4, result.value.statements.body.length
end
def test_false___END___in_list
io = StringIO.new("1 + 2\n3 + 4\n%w[\n__END__\n]\n5 + 6")
result = Prism.parse_stream(io)
assert result.success?
assert_equal 4, result.value.statements.body.length
end
def test_false___END___in_heredoc
io = StringIO.new("1 + 2\n3 + 4\n<<-EOF\n__END__\nEOF\n5 + 6")
result = Prism.parse_stream(io)
assert result.success?
assert_equal 4, result.value.statements.body.length
end
def test_nul_bytes
io = StringIO.new("1 # \0\0\0 \n2 # \0\0\0\n3")
result = Prism.parse_stream(io)
assert result.success?
assert_equal 3, result.value.statements.body.length
end
end
end
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