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-rw-r--r--test/ruby/test_array.rb122
1 files changed, 121 insertions, 1 deletions
diff --git a/test/ruby/test_array.rb b/test/ruby/test_array.rb
index e376d76a16..6c0db0832b 100644
--- a/test/ruby/test_array.rb
+++ b/test/ruby/test_array.rb
@@ -1294,6 +1294,12 @@ class TestArray < Test::Unit::TestCase
=end
end
+ def test_pack_with_buffer
+ n = [ 65, 66, 67 ]
+ str = "a" * 100
+ assert_equal("aaaABC", n.pack("@3ccc", buffer: str.dup), "[Bug #19116]")
+ end
+
def test_pop
a = @cls[ 'cat', 'dog' ]
assert_equal('dog', a.pop)
@@ -1580,6 +1586,96 @@ class TestArray < Test::Unit::TestCase
assert_equal_instance(a.values_at(*idx), a.slice((3..90)%2))
idx = 90.step(3, -2).to_a
assert_equal_instance(a.values_at(*idx), a.slice((90 .. 3)% -2))
+
+ a = [0, 1, 2, 3, 4, 5]
+ assert_equal([2, 1, 0], a.slice((2..).step(-1)))
+ assert_equal([2, 0], a.slice((2..).step(-2)))
+ assert_equal([2], a.slice((2..).step(-3)))
+ assert_equal([2], a.slice((2..).step(-4)))
+
+ assert_equal([3, 2, 1, 0], a.slice((-3..).step(-1)))
+ assert_equal([3, 1], a.slice((-3..).step(-2)))
+ assert_equal([3, 0], a.slice((-3..).step(-3)))
+ assert_equal([3], a.slice((-3..).step(-4)))
+ assert_equal([3], a.slice((-3..).step(-5)))
+
+ assert_equal([5, 4, 3, 2, 1, 0], a.slice((..0).step(-1)))
+ assert_equal([5, 3, 1], a.slice((..0).step(-2)))
+ assert_equal([5, 2], a.slice((..0).step(-3)))
+ assert_equal([5, 1], a.slice((..0).step(-4)))
+ assert_equal([5, 0], a.slice((..0).step(-5)))
+ assert_equal([5], a.slice((..0).step(-6)))
+ assert_equal([5], a.slice((..0).step(-7)))
+
+ assert_equal([5, 4, 3, 2, 1], a.slice((...0).step(-1)))
+ assert_equal([5, 3, 1], a.slice((...0).step(-2)))
+ assert_equal([5, 2], a.slice((...0).step(-3)))
+ assert_equal([5, 1], a.slice((...0).step(-4)))
+ assert_equal([5], a.slice((...0).step(-5)))
+ assert_equal([5], a.slice((...0).step(-6)))
+
+ assert_equal([5, 4, 3, 2], a.slice((...1).step(-1)))
+ assert_equal([5, 3], a.slice((...1).step(-2)))
+ assert_equal([5, 2], a.slice((...1).step(-3)))
+ assert_equal([5], a.slice((...1).step(-4)))
+ assert_equal([5], a.slice((...1).step(-5)))
+
+ assert_equal([5, 4, 3, 2, 1], a.slice((..-5).step(-1)))
+ assert_equal([5, 3, 1], a.slice((..-5).step(-2)))
+ assert_equal([5, 2], a.slice((..-5).step(-3)))
+ assert_equal([5, 1], a.slice((..-5).step(-4)))
+ assert_equal([5], a.slice((..-5).step(-5)))
+ assert_equal([5], a.slice((..-5).step(-6)))
+
+ assert_equal([5, 4, 3, 2], a.slice((...-5).step(-1)))
+ assert_equal([5, 3], a.slice((...-5).step(-2)))
+ assert_equal([5, 2], a.slice((...-5).step(-3)))
+ assert_equal([5], a.slice((...-5).step(-4)))
+ assert_equal([5], a.slice((...-5).step(-5)))
+
+ assert_equal([4, 3, 2, 1], a.slice((4..1).step(-1)))
+ assert_equal([4, 2], a.slice((4..1).step(-2)))
+ assert_equal([4, 1], a.slice((4..1).step(-3)))
+ assert_equal([4], a.slice((4..1).step(-4)))
+ assert_equal([4], a.slice((4..1).step(-5)))
+
+ assert_equal([4, 3, 2], a.slice((4...1).step(-1)))
+ assert_equal([4, 2], a.slice((4...1).step(-2)))
+ assert_equal([4], a.slice((4...1).step(-3)))
+ assert_equal([4], a.slice((4...1).step(-4)))
+
+ assert_equal([4, 3, 2, 1], a.slice((-2..1).step(-1)))
+ assert_equal([4, 2], a.slice((-2..1).step(-2)))
+ assert_equal([4, 1], a.slice((-2..1).step(-3)))
+ assert_equal([4], a.slice((-2..1).step(-4)))
+ assert_equal([4], a.slice((-2..1).step(-5)))
+
+ assert_equal([4, 3, 2], a.slice((-2...1).step(-1)))
+ assert_equal([4, 2], a.slice((-2...1).step(-2)))
+ assert_equal([4], a.slice((-2...1).step(-3)))
+ assert_equal([4], a.slice((-2...1).step(-4)))
+
+ assert_equal([4, 3, 2, 1], a.slice((4..-5).step(-1)))
+ assert_equal([4, 2], a.slice((4..-5).step(-2)))
+ assert_equal([4, 1], a.slice((4..-5).step(-3)))
+ assert_equal([4], a.slice((4..-5).step(-4)))
+ assert_equal([4], a.slice((4..-5).step(-5)))
+
+ assert_equal([4, 3, 2], a.slice((4...-5).step(-1)))
+ assert_equal([4, 2], a.slice((4...-5).step(-2)))
+ assert_equal([4], a.slice((4...-5).step(-3)))
+ assert_equal([4], a.slice((4...-5).step(-4)))
+
+ assert_equal([4, 3, 2, 1], a.slice((-2..-5).step(-1)))
+ assert_equal([4, 2], a.slice((-2..-5).step(-2)))
+ assert_equal([4, 1], a.slice((-2..-5).step(-3)))
+ assert_equal([4], a.slice((-2..-5).step(-4)))
+ assert_equal([4], a.slice((-2..-5).step(-5)))
+
+ assert_equal([4, 3, 2], a.slice((-2...-5).step(-1)))
+ assert_equal([4, 2], a.slice((-2...-5).step(-2)))
+ assert_equal([4], a.slice((-2...-5).step(-3)))
+ assert_equal([4], a.slice((-2...-5).step(-4)))
end
def test_slice_out_of_range
@@ -2890,7 +2986,9 @@ class TestArray < Test::Unit::TestCase
assert_raise(RangeError) {
[*0..2].shuffle(random: gen)
}
+ end
+ def test_shuffle_random_clobbering
ary = (0...10000).to_a
gen = proc do
ary.replace([])
@@ -2900,7 +2998,9 @@ class TestArray < Test::Unit::TestCase
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
@@ -2913,7 +3013,10 @@ class TestArray < Test::Unit::TestCase
end
ary = (0...10000).to_a
assert_equal(ary.rotate, ary.shuffle(random: gen_to_int))
+ end
+ def test_shuffle_random_invalid_generator
+ ary = (0...10).to_a
assert_raise(NoMethodError) {
ary.shuffle(random: Object.new)
}
@@ -2930,7 +3033,9 @@ class TestArray < Test::Unit::TestCase
assert_include([0, 1, 2], sample)
}
end
+ end
+ def test_sample_statistics
srand(0)
a = (1..18).to_a
(0..20).each do |n|
@@ -2947,9 +3052,13 @@ class TestArray < Test::Unit::TestCase
end
assert_operator(h.values.min * 2, :>=, h.values.max) if n != 0
end
+ end
+ def test_sample_invalid_argument
assert_raise(ArgumentError, '[ruby-core:23374]') {[1, 2].sample(-1)}
+ end
+ def test_sample_random_srand0
gen = Random.new(0)
srand(0)
a = (1..18).to_a
@@ -2958,13 +3067,15 @@ class TestArray < Test::Unit::TestCase
assert_equal(a.sample(n), a.sample(n, random: gen), "#{i}/#{n}")
end
end
+ end
+ def test_sample_unknown_keyword
assert_raise_with_message(ArgumentError, /unknown keyword/) do
[0, 1, 2].sample(xawqij: "a")
end
end
- def test_sample_random
+ def test_sample_random_generator
ary = (0...10000).to_a
assert_raise(ArgumentError) {ary.sample(1, 2, random: nil)}
gen0 = proc do |max|
@@ -3007,7 +3118,9 @@ class TestArray < Test::Unit::TestCase
assert_equal([5000, 0, 5001, 2, 5002, 4, 5003, 6, 5004, 8, 5005], ary.sample(11, random: gen0))
ary.sample(11, random: gen1) # implementation detail, may change in the future
assert_equal([], ary)
+ end
+ def test_sample_random_generator_half
half = Object.new
def half.to_int
5000
@@ -3020,7 +3133,10 @@ class TestArray < Test::Unit::TestCase
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) {
ary.sample(random: Object.new)
}
@@ -3220,6 +3336,8 @@ class TestArray < Test::Unit::TestCase
assert_equal(nil, a.bsearch {|x| 1 * (2**100) })
assert_equal(nil, a.bsearch {|x| (-1) * (2**100) })
+ assert_equal(4, a.bsearch {|x| (4 - x).to_r })
+
assert_include([4, 7], a.bsearch {|x| (2**100).coerce((1 - x / 4) * (2**100)).first })
end
@@ -3255,6 +3373,8 @@ class TestArray < Test::Unit::TestCase
assert_equal(nil, a.bsearch_index {|x| 1 * (2**100) })
assert_equal(nil, a.bsearch_index {|x| (-1) * (2**100) })
+ assert_equal(1, a.bsearch_index {|x| (4 - x).to_r })
+
assert_include([1, 2], a.bsearch_index {|x| (2**100).coerce((1 - x / 4) * (2**100)).first })
end
generated by cgit v1.2.3 (git 2.25.1) at 2026-05-30 07:26:56 +0000