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add test using sentgen.

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git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@12884 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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akr 2007-08-06 08:39:01 +00:00
parent 27e2b689f2
commit 7bc137942d
1 changed files with 132 additions and 0 deletions
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132
test/ruby/test_yield.rb
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@ -65,3 +65,135 @@ class TestRubyYield < Test::Unit::TestCase
end
end
require 'sentgen'
class TestRubyYieldGen < Test::Unit::TestCase
Syntax = {
:exp => [["0"],
["nil"],
["false"],
["[]"],
["[",:exps,"]"]],
:exps => [[:exp],
[:exp,",",:exps]],
:opt_block_param => [[],
[:block_param_def]],
:block_param_def => [['|', '|'],
['|', :block_param, '|']],
:block_param => [[:f_arg, ",", :f_rest_arg, :opt_f_block_arg],
[:f_arg, ","],
[:f_arg, ',', :f_rest_arg, ",", :f_arg, :opt_f_block_arg],
[:f_arg, :opt_f_block_arg],
[:f_rest_arg, :opt_f_block_arg],
[:f_rest_arg, ',', :f_arg, :opt_f_block_arg],
[:f_block_arg]],
:f_arg => [[:f_arg_item],
[:f_arg, ',', :f_arg_item]],
:f_rest_arg => [['*', "var"],
['*']],
:opt_f_block_arg => [[',', :f_block_arg],
[]],
:f_block_arg => [['&', 'var']],
:f_arg_item => [[:f_norm_arg],
['(', :f_margs, ')']],
:f_margs => [[:f_marg_head],
[:f_marg_head, ',', '*', :f_norm_arg],
[:f_marg_head, ',', '*', :f_norm_arg, ',', :f_marg],
[:f_marg_head, ',', '*'],
[:f_marg_head, ',', '*', ',', :f_marg],
[ '*', :f_norm_arg],
[ '*', :f_norm_arg, ',', :f_marg],
[ '*'],
[ '*', ',', :f_marg]],
:f_marg_head => [[:f_marg],
[:f_marg_head, ',', :f_marg]],
:f_marg => [[:f_norm_arg],
['(', :f_margs, ')']],
:f_norm_arg => [['var']],
:command_args => [[:open_args]],
:open_args => [[' ',:call_args],
['(', ')'],
['(', :call_args2, ')']],
:call_args => [[:command],
[ :args, :opt_block_arg],
[ :assocs, :opt_block_arg],
[ :args, ',', :assocs, :opt_block_arg],
[ :block_arg]],
:call_args2 => [[:arg, ',', :args, :opt_block_arg],
[:arg, ',', :block_arg],
[ :assocs, :opt_block_arg],
[:arg, ',', :assocs, :opt_block_arg],
[:arg, ',', :args, ',', :assocs, :opt_block_arg],
[ :block_arg]],
:command_args_noblock => [[:open_args_noblock]],
:open_args_noblock => [[' ',:call_args_noblock],
['(', ')'],
['(', :call_args2_noblock, ')']],
:call_args_noblock => [[:command],
[ :args],
[ :assocs],
[ :args, ',', :assocs]],
:call_args2_noblock => [[:arg, ',', :args],
[ :assocs],
[:arg, ',', :assocs],
[:arg, ',', :args, ',', :assocs]],
:command => [],
:args => [[:arg],
["*",:arg],
[:args,",",:arg],
[:args,",","*",:arg]],
:arg => [[:exp]],
:assocs => [[:assoc],
[:assocs, ',', :assoc]],
:assoc => [[:arg, '=>', :arg],
['label', ':', :arg]],
:opt_block_arg => [[',', :block_arg],
[]],
:block_arg => [['&', :arg]],
#:test => [['def m() yield', :command_args_noblock, ' end; r = m {', :block_param_def, 'vars', '}; undef m; r']]
:test => [['def m(&b) b.yield', :command_args_noblock, ' end; r = m {', :block_param_def, 'vars', '}; undef m; r']]
}
def subst(obj, target, &b)
if obj.respond_to? :to_ary
a = []
obj.each {|e| a << subst(e, target, &b) }
a
elsif obj == target
yield obj
else
obj
end
end
def rename_var(obj)
vars = []
r = subst(obj, 'var') {
var = "v#{vars.length}"
vars << var
var
}
return r, vars
end
def check_nofork(t)
t, vars = rename_var(t)
t = subst(t, 'vars') { " [#{vars.join(",")}]" }
s = [t].join
#print "#{s}\t\t"
#STDOUT.flush
v = eval(s)
#puts "#{v.inspect[1...-1]}"
##xxx: assertion for v here.
end
def test_yield
syntax = SentGen.expand_syntax(Syntax)
SentGen.each_tree(syntax, :test, 5) {|t|
check_nofork(t)
}
end
end