diff options
Diffstat (limited to 'trunk/test/ruby/test_range.rb')
-rw-r--r-- | trunk/test/ruby/test_range.rb | 270 |
1 files changed, 270 insertions, 0 deletions
diff --git a/trunk/test/ruby/test_range.rb b/trunk/test/ruby/test_range.rb new file mode 100644 index 0000000000..81be101857 --- /dev/null +++ b/trunk/test/ruby/test_range.rb @@ -0,0 +1,270 @@ +require 'test/unit' + +class TestRange < Test::Unit::TestCase + def test_range_string + # XXX: Is this really the test of Range? + assert_equal([], ("a" ... "a").to_a) + assert_equal(["a"], ("a" .. "a").to_a) + assert_equal(["a"], ("a" ... "b").to_a) + assert_equal(["a", "b"], ("a" .. "b").to_a) + end + + def test_evaluation_order + arr = [1,2] + r = (arr.shift)..(arr.shift) + assert_equal(1..2, r, "[ruby-dev:26383]") + end + + class DuckRange + def initialize(b,e,excl=false) + @begin = b + @end = e + @excl = excl + end + attr_reader :begin, :end + + def exclude_end? + @excl + end + end + + def test_duckrange + assert_equal("bc", "abcd"[DuckRange.new(1,2)]) + end + + def test_min + assert_equal(1, (1..2).min) + assert_equal(nil, (2..1).min) + assert_equal(1, (1...2).min) + + assert_equal(1.0, (1.0..2.0).min) + assert_equal(nil, (2.0..1.0).min) + assert_equal(1, (1.0...2.0).min) + + assert_equal(0, (0..0).min) + assert_equal(nil, (0...0).min) + end + + def test_max + assert_equal(2, (1..2).max) + assert_equal(nil, (2..1).max) + assert_equal(1, (1...2).max) + + assert_equal(2.0, (1.0..2.0).max) + assert_equal(nil, (2.0..1.0).max) + assert_raise(TypeError) { (1.0...2.0).max } + + assert_equal(-0x80000002, ((-0x80000002)...(-0x80000001)).max) + + assert_equal(0, (0..0).max) + assert_equal(nil, (0...0).max) + end + + def test_initialize_twice + r = eval("1..2") + assert_raise(NameError) { r.instance_eval { initialize 3, 4 } } + end + + def test_uninitialized_range + r = Range.allocate + s = Marshal.dump(r) + r = Marshal.load(s) + assert_nothing_raised { r.instance_eval { initialize 5, 6} } + end + + def test_bad_value + assert_raise(ArgumentError) { (1 .. :a) } + end + + def test_exclude_end + assert(!((0..1).exclude_end?)) + assert((0...1).exclude_end?) + end + + def test_eq + r = (0..1) + assert(r == r) + assert(r == (0..1)) + assert(r != 0) + assert(r != (1..2)) + assert(r != (0..2)) + assert(r != (0...1)) + end + + def test_eql + r = (0..1) + assert(r.eql?(r)) + assert(r.eql?(0..1)) + assert(!r.eql?(0)) + assert(!r.eql?(1..2)) + assert(!r.eql?(0..2)) + assert(!r.eql?(0...1)) + end + + def test_hash + assert((0..1).hash.is_a?(Fixnum)) + end + + def test_step + a = [] + (0..10).step {|x| a << x } + assert_equal([0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10], a) + + a = [] + (0..10).step(2) {|x| a << x } + assert_equal([0, 2, 4, 6, 8, 10], a) + + assert_raise(ArgumentError) { (0..10).step(-1) { } } + assert_raise(ArgumentError) { (0..10).step(0) { } } + + a = [] + ("a" .. "z").step(2) {|x| a << x } + assert_equal(%w(a c e g i k m o q s u w y), a) + + a = [] + ("a" .. "z").step(2**32) {|x| a << x } + assert_equal(["a"], a) + + a = [] + (2**32-1 .. 2**32+1).step(2) {|x| a << x } + assert_equal([4294967295, 4294967297], a) + zero = (2**32).coerce(0).first + assert_raise(ArgumentError) { (2**32-1 .. 2**32+1).step(zero) { } } + + o1 = Object.new + o2 = Object.new + def o1.<=>(x); -1; end + def o2.<=>(x); 0; end + assert_raise(TypeError) { (o1..o2).step(1) { } } + + class << o1; self; end.class_eval do + define_method(:succ) { o2 } + end + a = [] + (o1..o2).step(1) {|x| a << x } + assert_equal([o1, o2], a) + + a = [] + (o1...o2).step(1) {|x| a << x } + assert_equal([o1], a) + + assert_nothing_raised("[ruby-dev:34557]") { (0..2).step(0.5) {|x| } } + + a = [] + (0..2).step(0.5) {|x| a << x } + assert_equal([0, 0.5, 1.0, 1.5, 2.0], a) + + a = [] + (0x40000000..0x40000002).step(0.5) {|x| a << x } + assert_equal([1073741824, 1073741824.5, 1073741825.0, 1073741825.5, 1073741826], a) + + o = Object.new + def o.to_int() 1 end + assert_nothing_raised("[ruby-dev:34558]") { (0..2).step(o) {|x| } } + end + + def test_each + a = [] + (0..10).each {|x| a << x } + assert_equal([0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10], a) + + o1 = Object.new + o2 = Object.new + def o1.<=>(x); -1; end + def o2.<=>(x); 0; end + class << o1; self; end.class_eval do + define_method(:succ) { o2 } + end + + r1 = (o1..o2) + r2 = (o1...o2) + + a = [] + r1.each {|x| a << x } + assert_equal([o1, o2], a) + + a = [] + r2.each {|x| a << x } + assert_equal([o1], a) + + def o2.<=>(x); 1; end + + a = [] + r1.each {|x| a << x } + assert_equal([o1], a) + + def o2.<=>(x); nil; end + + a = [] + r1.each {|x| a << x } + assert_equal([o1], a) + + def o1.<=>(x); nil; end + + a = [] + r2.each {|x| a << x } + assert_equal([], a) + end + + def test_begin_end + assert_equal(0, (0..1).begin) + assert_equal(1, (0..1).end) + end + + def test_first_last + assert_equal([0, 1, 2], (0..10).first(3)) + assert_equal([8, 9, 10], (0..10).last(3)) + end + + def test_to_s + assert_equal("0..1", (0..1).to_s) + assert_equal("0...1", (0...1).to_s) + end + + def test_inspect + assert_equal("0..1", (0..1).inspect) + assert_equal("0...1", (0...1).inspect) + end + + def test_eqq + assert((0..10) === 5) + assert(!((0..10) === 11)) + end + + def test_include + assert(("a".."z").include?("c")) + assert(!(("a".."z").include?("5"))) + assert(("a"..."z").include?("y")) + assert(!(("a"..."z").include?("z"))) + assert(!(("a".."z").include?("cc"))) + assert((0...10).include?(5)) + end + + def test_cover + assert(("a".."z").cover?("c")) + assert(!(("a".."z").cover?("5"))) + assert(("a"..."z").cover?("y")) + assert(!(("a"..."z").cover?("z"))) + assert(("a".."z").cover?("cc")) + end + + def test_beg_len + o = Object.new + assert_raise(TypeError) { [][o] } + def o.begin; -10; end + assert_raise(TypeError) { [][o] } + def o.end; 0; end + assert_raise(NoMethodError) { [][o] } + def o.exclude_end?; false; end + assert_nil([0][o]) + assert_raise(RangeError) { [0][o] = 1 } + def o.begin; 10; end + def o.end; 10; end + assert_nil([0][o]) + def o.begin; 0; end + assert_equal([0], [0][o]) + def o.begin; 2; end + def o.end; 0; end + assert_equal([], [0, 1, 2][o]) + end +end |