diff options
| -rw-r--r-- | mrbgems/mruby-random/test/random.rb | 70 |
1 files changed, 45 insertions, 25 deletions
diff --git a/mrbgems/mruby-random/test/random.rb b/mrbgems/mruby-random/test/random.rb index 1653ae4a6..813e23968 100644 --- a/mrbgems/mruby-random/test/random.rb +++ b/mrbgems/mruby-random/test/random.rb @@ -1,48 +1,66 @@ ## # Random Test -assert("Random#srand") do +assert("Random.new") do r1 = Random.new(123) r2 = Random.new(123) - r1.rand == r2.rand + r3 = Random.new(124) + assert_equal(r1.rand, r2.rand) + assert_not_equal(r1.rand, r3.rand) end -assert("Kernel::srand") do +assert("Kernel.srand") do srand(234) r1 = rand srand(234) r2 = rand - r1 == r2 + srand(235) + r3 = rand + assert_equal(r1, r2) + assert_not_equal(r1, r3) end -assert("Random::srand") do +assert("Random.srand") do Random.srand(345) r1 = rand srand(345) r2 = Random.rand - r1 == r2 + Random.srand(346) + r3 = rand + assert_equal(r1, r2) + assert_not_equal(r1, r3) end -assert("fixnum") do - rand(3).class == Fixnum -end - -assert("float") do - rand.class == Float +assert("return class of Kernel.rand") do + assert_kind_of(Fixnum, rand(3)) + assert_kind_of(Fixnum, rand(1.5)) + assert_kind_of(Float, rand) + assert_kind_of(Float, rand(0.5)) end assert("Array#shuffle") do ary = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10] + orig = ary.dup shuffled = ary.shuffle - - ary == [1, 2, 3, 4, 5, 6, 7, 8, 9, 10] and shuffled != ary and 10.times { |x| ary.include? x } + assert_equal(orig, ary) + assert_not_equal(ary, shuffled) + assert_equal(ary.size, shuffled.size) + shuffled.each do |x| + assert_include(ary, x) + ary.delete(x) + end end assert('Array#shuffle!') do ary = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10] - ary.shuffle! - - ary != [1, 2, 3, 4, 5, 6, 7, 8, 9, 10] and 10.times { |x| ary.include? x } + orig = ary.dup + assert_same(ary, ary.shuffle!) + assert_not_equal(orig, ary) + assert_equal(orig.size, ary.size) + ary.each do |x| + assert_include(orig, x) + orig.delete(x) + end end assert("Array#shuffle(random)") do @@ -52,12 +70,12 @@ assert("Array#shuffle(random)") do end # verify that the same seed causes the same results - ary1 = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10] - shuffle1 = ary1.shuffle Random.new 345 - ary2 = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10] - shuffle2 = ary2.shuffle Random.new 345 - - ary1 != shuffle1 and 10.times { |x| shuffle1.include? x } and shuffle1 == shuffle2 + ary = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10] + shuffled1 = ary.shuffle Random.new 345 + shuffled2 = ary.shuffle Random.new 345 + shuffled3 = ary.shuffle Random.new 346 + assert_equal(shuffled1, shuffled2) + assert_not_equal(shuffled1, shuffled3) end assert('Array#shuffle!(random)') do @@ -71,6 +89,8 @@ assert('Array#shuffle!(random)') do ary1.shuffle! Random.new 345 ary2 = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10] ary2.shuffle! Random.new 345 - - ary1 != [1, 2, 3, 4, 5, 6, 7, 8, 9, 10] and 10.times { |x| ary1.include? x } and ary1 == ary2 + ary3 = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10] + ary3.shuffle! Random.new 346 + assert_equal(ary1, ary2) + assert_not_equal(ary1, ary3) end |