diff options
Diffstat (limited to 'test/ruby/test_range.rb')
| -rw-r--r-- | test/ruby/test_range.rb | 51 |
1 files changed, 50 insertions, 1 deletions
diff --git a/test/ruby/test_range.rb b/test/ruby/test_range.rb index e0c1d20bd2..ff17dca69e 100644 --- a/test/ruby/test_range.rb +++ b/test/ruby/test_range.rb @@ -36,6 +36,7 @@ class TestRange < Test::Unit::TestCase assert_equal(["a"], ("a" ... "b").to_a) assert_equal(["a", "b"], ("a" .. "b").to_a) assert_equal([*"a".."z", "aa"], ("a"..).take(27)) + assert_equal([*"a".."z"], eval("('a' || 'b')..'z'").to_a) end def test_range_numeric_string @@ -121,13 +122,15 @@ class TestRange < Test::Unit::TestCase assert_equal([10,9,8], (0..10).max(3)) assert_equal([9,8,7], (0...10).max(3)) + assert_equal([10,9,8], (..10).max(3)) + assert_equal([9,8,7], (...10).max(3)) assert_raise(RangeError) { (1..).max(3) } assert_raise(RangeError) { (1...).max(3) } assert_raise(RangeError) { (..0).min {|a, b| a <=> b } } assert_equal(2, (..2).max) - assert_raise(TypeError) { (...2).max } + assert_equal(1, (...2).max) assert_raise(TypeError) { (...2.0).max } assert_equal(Float::INFINITY, (1..Float::INFINITY).max) @@ -594,6 +597,22 @@ class TestRange < Test::Unit::TestCase assert_equal(4, (1.0...5.6).step(1.5).to_a.size) end + def test_step_with_nonnumeric_endpoint + num = Data.define(:value) do + def coerce(o); [o, 100]; end + def <=>(o) value<=>o; end + def +(o) with(value: value + o) end + end + i = num.new(100) + + assert_equal([100], (100..100).step(10).to_a) + assert_equal([], (100...100).step(10).to_a) + assert_equal([100], (100..i).step(10).to_a) + assert_equal([i], (i..100).step(10).to_a) + assert_equal([], (100...i).step(10).to_a) + assert_equal([], (i...100).step(10).to_a) + end + def test_each a = [] (0..10).each {|x| a << x } @@ -823,6 +842,25 @@ class TestRange < Test::Unit::TestCase assert_equal [5, 4, 3, 2, 1], a end + def test_reverse_each_size + assert_equal(3, (1..3).reverse_each.size) + assert_equal(3, (1..3.3).reverse_each.size) + assert_raise(TypeError) { (1..nil).reverse_each.size } + assert_raise(TypeError) { (1.1..3).reverse_each.size } + assert_raise(TypeError) { (1.1..3.3).reverse_each.size } + assert_raise(TypeError) { (1.1..nil).reverse_each.size } + assert_equal(Float::INFINITY, (..3).reverse_each.size) + assert_raise(TypeError) { (nil..3.3).reverse_each.size } + assert_raise(TypeError) { (nil..nil).reverse_each.size } + + assert_equal(2, (1...3).reverse_each.size) + assert_equal(3, (1...3.3).reverse_each.size) + + assert_equal(nil, ('a'..'z').reverse_each.size) + assert_raise(TypeError) { ('a'..).reverse_each.size } + assert_raise(TypeError) { (..'z').reverse_each.size } + end + def test_begin_end assert_equal(0, (0..1).begin) assert_equal(1, (0..1).end) @@ -835,16 +873,20 @@ class TestRange < Test::Unit::TestCase def test_first_last assert_equal([0, 1, 2], (0..10).first(3)) assert_equal([8, 9, 10], (0..10).last(3)) + assert_equal([8, 9, 10], (nil..10).last(3)) assert_equal(0, (0..10).first) assert_equal(10, (0..10).last) + assert_equal(10, (nil..10).last) assert_equal("a", ("a".."c").first) assert_equal("c", ("a".."c").last) assert_equal(0, (2..0).last) assert_equal([0, 1, 2], (0...10).first(3)) assert_equal([7, 8, 9], (0...10).last(3)) + assert_equal([7, 8, 9], (nil...10).last(3)) assert_equal(0, (0...10).first) assert_equal(10, (0...10).last) + assert_equal(10, (nil...10).last) assert_equal("a", ("a"..."c").first) assert_equal("c", ("a"..."c").last) assert_equal(0, (2...0).last) @@ -1416,6 +1458,12 @@ class TestRange < Test::Unit::TestCase assert_raise(RangeError) { (1..).to_a } end + def test_to_set + assert_equal(Set[1,2,3,4,5], (1..5).to_set) + assert_equal(Set[1,2,3,4], (1...5).to_set) + assert_raise(RangeError) { (1..).to_set } + end + def test_beginless_range_iteration assert_raise(TypeError) { (..1).each { } } end @@ -1472,6 +1520,7 @@ class TestRange < Test::Unit::TestCase assert_operator((nil..nil), :overlap?, (3..)) assert_operator((nil...nil), :overlap?, (nil..)) assert_operator((nil..nil), :overlap?, (..3)) + assert_operator((..3), :overlap?, (nil..nil)) assert_raise(TypeError) { (1..3).overlap?(1) } |