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require 'test/unit'
require 'envutil'
class TestSystem < Test::Unit::TestCase
def valid_syntax?(code, fname)
code = code.sub(/\A(?:\s*\#.*$)*(\n)?/n) {
"#$&#{"\n" if $1 && !$2}BEGIN{return true}\n"
}
eval(code, nil, fname, 0)
end
def test_system
ruby = EnvUtil.rubybin
assert_equal("foobar\n", `echo foobar`)
assert_equal('foobar', `#{ruby} -e 'print "foobar"'`)
tmp = open("script_tmp", "w")
tmp.print "print $zzz\n";
tmp.close
assert_equal('true', `#{ruby} -s script_tmp -zzz`)
assert_equal('555', `#{ruby} -s script_tmp -zzz=555`)
tmp = open("script_tmp", "w")
tmp.print "#! /usr/local/bin/ruby -s\n";
tmp.print "print $zzz\n";
tmp.close
assert_equal('678', `#{ruby} script_tmp -zzz=678`)
tmp = open("script_tmp", "w")
tmp.print "this is a leading junk\n";
tmp.print "#! /usr/local/bin/ruby -s\n";
tmp.print "print $zzz\n";
tmp.print "__END__\n";
tmp.print "this is a trailing junk\n";
tmp.close
assert_equal('', `#{ruby} -x script_tmp`)
assert_equal('555', `#{ruby} -x script_tmp -zzz=555`)
tmp = open("script_tmp", "w")
for i in 1..5
tmp.print i, "\n"
end
tmp.close
`#{ruby} -i.bak -pe '$_.sub!(/^[0-9]+$/){$&.to_i * 5}' script_tmp`
tmp = open("script_tmp", "r")
while tmp.gets
assert_equal(0, $_.to_i % 5)
end
tmp.close
File.unlink "script_tmp" or `/bin/rm -f "script_tmp"`
File.unlink "script_tmp.bak" or `/bin/rm -f "script_tmp.bak"`
end
def test_syntax
assert_nothing_raised(Exception) do
for script in Dir[File.expand_path("../../../{lib,sample,ext}/**/*.rb", __FILE__)]
valid_syntax? IO::read(script), script
end
end
end
def test_empty_evstr # [ruby-dev:25113]
assert_equal("", eval('"#{}"', nil, __FILE__, __LINE__))
end
end
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