diff options
author | Nobuyoshi Nakada <[email protected]> | 2025-02-03 00:27:43 +0900 |
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committer | Nobuyoshi Nakada <[email protected]> | 2025-02-03 00:27:43 +0900 |
commit | 581d85058cf638f2f8ad87391dccc5c7708d597b () | |
tree | 7feb648c8657f4f67d355b51ce9c3087a538b2ec | |
parent | 571f3394f2b8ac312e0e6213c639a44cf7e29fe4 (diff) |
Add out of range tests of random number generator
Notes: Merged: https://.com/ruby/ruby/pull/12690
-rw-r--r-- | test/ruby/test_array.rb | 72 |
1 files changed, 31 insertions, 41 deletions
@@ -3032,13 +3032,12 @@ class TestArray < Test::Unit::TestCase end end - def test_shuffle_random - gen = proc do - 10000000 - end - class << gen - alias rand call - end assert_raise(RangeError) { [*0..2].shuffle(random: gen) } @@ -3046,27 +3045,16 @@ class TestArray < Test::Unit::TestCase def test_shuffle_random_clobbering ary = (0...10000).to_a - gen = proc do ary.replace([]) 0.5 end - class << gen - alias rand call - end assert_raise(RuntimeError) {ary.shuffle!(random: gen)} end def test_shuffle_random_zero - zero = Object.new - def zero.to_int - 0 - end - gen_to_int = proc do |max| - zero - end - class << gen_to_int - alias rand call - end ary = (0...10000).to_a assert_equal(ary.rotate, ary.shuffle(random: gen_to_int)) end @@ -3134,19 +3122,11 @@ class TestArray < Test::Unit::TestCase def test_sample_random_generator ary = (0...10000).to_a assert_raise(ArgumentError) {ary.sample(1, 2, random: nil)} - gen0 = proc do |max| - max/2 - end - class << gen0 - alias rand call - end - gen1 = proc do |max| ary.replace([]) max/2 end - class << gen1 - alias rand call - end assert_equal(5000, ary.sample(random: gen0)) assert_nil(ary.sample(random: gen1)) assert_equal([], ary) @@ -3177,20 +3157,23 @@ class TestArray < Test::Unit::TestCase end def test_sample_random_generator_half - half = Object.new - def half.to_int - 5000 - end - gen_to_int = proc do |max| - half - end - class << gen_to_int - alias rand call - end ary = (0...10000).to_a assert_equal(5000, ary.sample(random: gen_to_int)) end def test_sample_random_invalid_generator ary = (0..10).to_a assert_raise(NoMethodError) { @@ -3621,6 +3604,13 @@ class TestArray < Test::Unit::TestCase end omit 'requires callcc support' unless respond_to?(:callcc, true) end end class TestArraySubclass < TestArray |