diff options
Diffstat (limited to 'mrbgems/mruby-array-ext/test/array.rb')
| -rw-r--r-- | mrbgems/mruby-array-ext/test/array.rb | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/mrbgems/mruby-array-ext/test/array.rb b/mrbgems/mruby-array-ext/test/array.rb index 4fad42518..a4e328b71 100644 --- a/mrbgems/mruby-array-ext/test/array.rb +++ b/mrbgems/mruby-array-ext/test/array.rb @@ -3,8 +3,11 @@ def assert_permutation_combination(exp, receiver, meth, *args) act = [] - receiver.__send__(meth, *args) { |v| act << v } - assert_equal(exp, act.sort) + ret = receiver.__send__(meth, *args) { |v| act << v } + assert "assert_#{meth}" do + assert_equal(exp, act.sort) + assert_same(receiver, ret) + end end def assert_permutation(exp, receiver, *args) @@ -389,6 +392,7 @@ assert("Array#permutation") do assert_permutation([[1,2,3],[1,3,2],[2,1,3],[2,3,1],[3,1,2],[3,2,1]], a, 3) assert_permutation([[]], a, 0) assert_permutation([], a, 4) + assert_permutation([], a, -1) end assert("Array#combination") do @@ -399,6 +403,7 @@ assert("Array#combination") do assert_combination([[1,2,3,4]], a, 4) assert_combination([[]], a, 0) assert_combination([], a, 5) + assert_combination([], a, -1) end assert('Array#transpose') do |