swig/Examples/test-suite/ruby/li_std_functors_runme.rb
Vadim Zeitlin f038fcb44d Do nothing in li_std_functors test when using Ruby 2.6
This test sporadically crashes when run in GitHub Actions environment,
so skip it for now when using the Ruby 2.6 version installed by rvm.
2021-10-01 04:26:15 +02:00

77 lines
1.7 KiB
Ruby

#!/usr/bin/env ruby
#
# This is a test of STL containers using proc
# objects to change the sorting function used in them. Same as a
# std::binary_predicate in C++.
#
#
#
#
#
require 'swig_assert'
require 'li_std_functors'
def _set(container)
swig_assert_each_line(<<EOF, binding)
cont = #{container}.new
[9,1,8,2,7,3,6,4,5].each { |x| cont.insert(x) }
i0 = cont.begin()
cont.to_a == [1,2,3,4,5,6,7,8,9]
cont = #{container}.new( proc { |a,b| b < a } )
[9,1,8,2,7,3,6,4,5].each { |x| cont.insert(x) }
cont.to_a == [9, 8, 7, 6, 5, 4, 3, 2, 1]
cont = #{container}.new( proc { |a,b| b > a } )
[9,1,8,2,7,3,6,4,5].each { |x| cont.insert(x) }
cont.to_a == [1, 2, 3, 4, 5, 6, 7, 8, 9]
cont = #{container}.new(proc { |a,b| b < a } )
cont.insert(1)
cont.to_a == [1]
i0 = cont.begin()
cont.erase(i0) # don't use i0 anymore, it is invalid now
cont.to_a == []
EOF
end
def b_lessthan_a(b, a)
res = b < a
# print b, "<", a, "=", res
return res
end
def _map(container)
swig_assert_each_line(<<EOF, binding)
cont = #{container}.new
cont['z'] = 9
cont['y'] = 1
cont['x'] = 8
cont['w'] = 2
cont.to_a == [['w',2],['x',8],['y',1],['z',9]]
cont = #{container}.new(proc { |a,b| b_lessthan_a(b, a) } )
cont['z'] = 9
cont['y'] = 1
cont['x'] = 8
cont['w'] = 2
cont.to_a == [['z',9],['y',1],['x',8],['w',2]]
EOF
end
def test
yield method(:_set), Li_std_functors::Set
yield method(:_map), Li_std_functors::Map
end
# these should fail and not segfault but currently do segfault with Ruby 2.6
# in GitHub Actions environment
if RUBY_VERSION != '2.6.6'
begin
Li_std_functors::Set.new('sd')
rescue
end
test do |proc, container|
proc.call(container)
end
end